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コダマ

EstablishmentFounded in April 1919, established on October 21, 1947.
capital2000Ten thousand
number of employees50
addressShimane/Matsue-shi/Fujimimachi 1-3
phone0852-37-1131
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last updated:Jun 12, 2023
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Lightweight High-Frequency EMC Countermeasure Coating (Millimeter Wave Radar/5G Compatible)

Simultaneously achieve high-frequency noise reduction and weight reduction! Custom specifications are possible to match high electromagnetic wave absorption effectiveness and desired countermeasure frequencies!

As the electronic control, wireless technology, and high-speed communication of industrial equipment advance, high-frequency radio wave absorption has become a significant challenge. On the other hand, to reduce the weight of various components, the substitution of metal with resin materials is being promoted, but electromagnetic noise remains an issue that needs to be addressed. In response, we propose our "High-Frequency Radio Wave Absorption Coating." Our film allows for radio wave absorption in a thin layer, simultaneously solving the issues of weight reduction and radio wave absorption. 【Features】 ■ High radio wave absorption performance ■ Coating is selected to match the desired frequency band ■ Achieves product weight reduction (substitution from metal to resin) ■ Coating can be applied to complex-shaped enclosures (shielding reliability) ★ A handbook on High-Frequency Radio Wave Absorption Coating is available for free ★ → For details, please download the PDF data from the link below.

  • Other anti-static devices
  • EMC countermeasure products
  • Other electronic parts

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High wear resistance and corrosion resistance ultra-hard coating [Longer lifespan and reduced LCC]

We introduce a carbide coating technology that possesses a dense film characteristic with strong adhesion to the substrate, resulting in extremely high wear resistance and corrosion resistance.

HVOF spraying (High Velocity Oxygen Fuel spraying) is a super hard thermal spray coating suitable for wear and corrosion resistance. Due to the smooth surface of the coating, it is easy to achieve a super mirror finish, and thick film formation is also realized. The extremely high particle velocity (500-800 m/s) produces a coating with very high density and low porosity. Additionally, because the material is fed at high speed, the time it is exposed to the flame is minimized, allowing for the reduction of oxidation and alteration to a minimum. 【Features】 ■ High density ■ High adhesion ■ Oxidation and alteration suppression ■ Surface smoothness *For more details, please refer to the PDF document or feel free to contact us.

  • Surface treatment contract service
  • Processing Contract

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Simultaneously achieving "heat dissipation" and "lightweight" in a resin housing!

Thermal spraying coating technology allows for the addition of heat dissipation properties to resins! By designing in conjunction with the housing, it is possible to achieve lightweight without compromising heat dissipation!

We offer "heat dissipation coating" that enables efficient thermal conduction and radiation through thermal spraying technology. By converting housings such as aluminum die-casts into resin, we achieve heat sink-less designs, weight reduction, miniaturization, thinness, improved mass production capabilities, and cost reduction. This allows for the development of housings that combine the advantages of both resin and metal. Additionally, since the thermal spray coating is applied using a spray method, it can form a uniform and stable coating even on complex shapes. We address the weaknesses of conventional resin materials and realize high-performance resin solutions. 【Features】 ■ Improved heat dissipation of resin materials ■ Electromagnetic shielding measures for resin materials ■ Lightweight housings, improved mass production, and cost reduction ■ Usable in various fields and environments with resin housings *For more details, please refer to the PDF document or feel free to contact us.

  • Surface treatment contract service
  • Processing Contract

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EMC measures for resin housings and more! Achieving product "lightweighting."

Introducing the Low-Frequency Magnetic Shielding Coating [KDM-LF Series]!

The KDM-LF series is a coating specialized for low-frequency magnetic shielding. We provide optimal coatings by making specification changes such as cost and effectiveness to meet product needs. ■ To prevent malfunction due to low-frequency magnetic fields from motors ■ For resin housings of automotive equipment ■ For electromagnetic wave countermeasures in medical devices ■ To enhance the efficiency of wireless power transmission systems ■ To improve the communication distance of RFID tags It exhibits a magnetic shielding effect of approximately 10 to 50 dB in the frequency range of 500 Hz to 100 kHz (magnetic shielding results based on the KEC method). 【Features of the Coating】 - Spray application coating. Can form a film on complex-shaped products. - No concerns about peeling or leakage like sheet materials.

  • Other anti-static devices
  • IC tag
  • Other machine elements

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A must-see for those troubled by corrosion! It is possible to enhance corrosion resistance through thermal spraying coating.

[Presentation of Materials] We would like to introduce a corrosion-resistant coating using thermal spraying for those who want to prevent rust from occurring and take safety measures!

Are you struggling with the corrosion of metal parts in harsh outdoor environments (such as salt damage)? By preventing corrosion and rust, you can save the hassle of replacing parts and significantly reduce lifecycle costs. In addition to weather-resistant thermal spraying on resin (to prevent UV degradation), we contribute to the corrosion protection of bridges, transmission towers, cubicles, and control panels. If you are facing issues with corrosion, please feel free to consult us. [Overview] ■ The sacrificial corrosion protection effect of the coating allows metal parts to be used longer. ■ By creating a ceramic thermal spray coating with additional benefits, the corrosion resistance effect is further enhanced. ■ By applying a thermal spray coating, there is no need to repeatedly purchase expensive metal parts. ■ Corrosion protection for bridges, transmission towers, cubicles, and distribution boards. *For more details, please refer to the PDF materials or feel free to contact us.

  • Surface treatment contract service
  • Processing Contract

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Cost reduction is possible with long lifespan achieved through thermal spray coating!

We will introduce examples of wear-resistant and restoration coatings for equipment and parts! [Materials available]

The thermal spraying technology, a type of surface treatment, is expected to create added value through cost reduction via "extending the lifespan of parts" and "shape restoration" of production equipment, as well as by providing new functionalities. Our company has numerous achievements in enhancing the wear resistance of products such as pouring cups and sand transport screws, as well as in restoring the dimensions of motor shafts. We offer custom specifications tailored to product needs, accommodating various materials, dimensions, shapes, and applications, so please feel free to contact us. 【Product Examples】 ■ Pouring Cups ■ Shot Blades ■ Sand Transport Screws ■ Casting Sand Mixing Mixer Blades ■ Paddles *For more details, please refer to the PDF materials or feel free to contact us.

  • Surface treatment contract service
  • Processing Contract

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High-Frequency EMC Countermeasure Coating for Onboard Equipment [Technical Documentation Available]

Achieve high electromagnetic wave absorption performance! We propose the optimal coating!

As the electronic control, wireless technology, and high-speed communication of industrial equipment advance, high-frequency radio wave absorption has become a significant challenge to prevent malfunctions and accidents in machinery. "We want to prevent malfunctions in control equipment." "We want to achieve weight reduction while also enabling radio wave countermeasures." "We want to eliminate design flaws in vehicle-mounted system operations." To address these solutions, we propose "High-Frequency Radio Wave Absorption Coating." 【Features】 ■ Achieves both high radio wave absorption performance (up to approximately 99% (about 40dB) absorption capability) and weight reduction simultaneously. ■ Effective in absorbing a wide range of GHz bands (millimeter waves, Sub6/NR). ■ Coating can be selected according to the desired frequency band. ■ Coating can be applied to complex-shaped enclosures (shielding reliability). ■ Applicable to EV battery cases, car navigation systems, ETC, radios, keyless entry, etc. ★ A handbook on high-frequency radio wave absorption coating is currently available for free! ★ → For details, please download the PDF data from the link below.

  • Other anti-static devices
  • EMC countermeasure products
  • Other electronic parts

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High-Frequency EMC Countermeasure Coating for Medical Devices [Technical Documentation Available]

Achieve high electromagnetic wave absorption performance! We propose the optimal coating!

As the electronic control, wireless technology, and high-speed communication of industrial equipment advance, the absorption of high-frequency radio waves has become a significant challenge to prevent malfunctions and accidents in machinery. "We want to eliminate the impact on implanted medical devices." "We want to prevent interference between devices." To address these solutions, our company proposes "high-frequency radio wave absorption coating." 【Features】 ■ High radio wave absorption performance (up to approximately 99% (about 40dB) absorption capability) ■ Effective in absorbing radio waves across a wide GHz range (millimeter waves, Sub6/NR) ■ Coatings can be selected according to the desired frequency band ■ Coating is possible even for complex-shaped enclosures (shielding reliability) ■ For high-frequency devices such as ultrasonic therapy devices, magnetic resonance imaging (MRI) machines, and electric scalpels to prevent radio wave interference ★ A handbook on high-frequency radio wave absorption coating is available for free ★ → For details, please download the PDF data from the link below.

  • Other anti-static devices
  • EMC countermeasure products
  • Other electronic parts

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Simultaneous realization of high-frequency electromagnetic wave countermeasures and weight reduction [High-frequency electromagnetic wave absorption coating]

Simultaneously achieve high-frequency noise reduction and weight reduction! Custom specifications are possible to match high electromagnetic wave absorption effectiveness and desired countermeasure frequencies!

As electronic control, wireless technology, and high-speed communication advance in industrial equipment, high-frequency radio wave absorption has become a significant challenge. On the other hand, in order to reduce the weight of various components, there is a shift from metal to resin materials, but electromagnetic noise remains an issue that needs to be addressed. In response, we propose "High-Frequency Radio Wave Absorption Coating." Our film allows for radio wave absorption in a thin layer, simultaneously solving both weight reduction and radio wave absorption. 【Features】 ■ High radio wave absorption performance ■ Coating is selected to match the desired frequency band ■ Achieves product weight reduction (replacement of metal with resin) ■ Coating can be applied to complex-shaped enclosures (shielding reliability) ★ A handbook on high-frequency radio wave absorption coating is available for free ★ → For more details, please download the PDF data from the link below.

  • Other anti-static devices
  • EMC countermeasure products
  • Other electronic parts

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Simultaneously achieving low-frequency noise reduction and lightweight, compact design [Low-frequency magnetic shielding thermal spraying]

Coating the resin housing prevents low-frequency noise! It features a thermal spray coating that is also resistant to impact and thermal shock!

There are sheet materials and paints for low-frequency magnetic countermeasures, but with thermal spraying, you can achieve complete coverage without concerns about peeling or noise leakage! This thermal spray coating is specialized for low-frequency magnetic shielding and is also resistant to impact and thermal shock. We will provide the optimal coating by making specification changes based on product needs, including cost and effectiveness. ■ To prevent malfunctions caused by low-frequency magnetic fields from motors ■ For resin housings of automotive equipment ■ For electromagnetic wave countermeasures in medical devices ■ To enhance the efficiency of wireless power transmission systems ■ To improve the communication distance of RFID tags It exhibits a magnetic shielding effect of approximately 10 to 50 dB in the frequency range of 500 Hz to 100 kHz (magnetic shielding results based on the KEC method). 【Coating Features】 - Spray coating method allows for film formation on complex-shaped products. - There are no concerns about peeling or electromagnetic wave leakage like with sheet materials. - By applying a coating to resin, it simultaneously achieves low-frequency noise reduction and lightweight, compact design. ★ For a limited time, we are offering a free handbook on low-frequency magnetic shielding coatings! ★ → For details, please download the PDF data from the link below.

  • Anti-static products
  • IC tag
  • Other machine elements

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Low Frequency Magnetic Shielding Coating [KDM-LF Series]

EMC measures for resin housings! Achieving product "lightweighting."

The KDM-LF series is a coating specialized for low-frequency magnetic shielding. We provide optimal coatings by making specification changes such as cost and effectiveness to meet product needs. ■ To prevent malfunction due to low-frequency magnetic fields from motors ■ For resin housings of automotive equipment ■ For electromagnetic wave countermeasures in medical devices ■ To enhance the efficiency of wireless power transmission systems ■ To improve communication distance of RFID tags It exhibits a magnetic shielding effect of approximately 10-50 dB in the range of 500 Hz to 100 kHz (magnetic shielding results based on the KEC method). 【Features of the Coating】 - Spray application coating. Capable of forming a film on complex-shaped products. - No concerns about peeling or leakage like sheet materials.

  • Other anti-static devices
  • IC tag
  • Other machine elements

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For noise countermeasures and radio wave absorption, use [Electromagnetic Wave Shielding Thermal Spray Coating].

Shielding for resin housings and measures against 5G and millimeter-wave radar! Coating of complex-shaped housings is possible with spray-type thermal spraying.

Kodama's electromagnetic wave shielding thermal spray enables a wide range of shielding from low-frequency magnetic shielding to high-frequency electromagnetic wave absorption. We solve challenges with designs tailored to our customers' needs. We eliminate the issues associated with conventional aluminum enclosures and noise-absorbing sheets through thermal spray coatings, and further enable lightweight products with resin enclosures. 【Electromagnetic Wave Shielding Effect】 ■ Low-Frequency Noise Shielding - Our proprietary technology provides an attenuation effect of approximately 10 to 50 dB for low-frequency magnetic noise (KEC method). ■ Electromagnetic Wave Shielding - The shielding effect for near-field electric/magnetic fields is approximately 10 to 95 dB, - For far-field plane waves, it is approximately 95 to 120 dB. ■ High-Frequency Noise Countermeasure Area - At 29 GHz (Ka band), an absorption characteristic of approximately 18 dB, - At 85 GHz (W band), an absorption characteristic of 37 dB has been confirmed. *For more details, please refer to the PDF document or feel free to contact us.

  • Other contract services
  • Processing Contract

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Plant design for environmental equipment such as transportation facilities and water supply and drainage systems.

Leave everything from design to maintenance to us!

This document is a collection of plant case studies focused on environmental equipment in the Plant Engineering Department. It introduces numerous examples of production, including the "food waste crushing and sorting device" and "waste intermediate plant equipment." We encourage you to take a look and utilize this information for your future projects. Our company has its own factory and possesses a manufacturing system with technical expertise and skilled workers. The skilled workers go on-site to carry out construction and installation. We respond with the know-how cultivated through years of on-site work. Additionally, for items that are broken or deteriorated, if you consult us about on-site inspections, issues, or new concepts, we will undertake and resolve them under suitable conditions. [Contents (excerpt)] - Amorphous waste core recycling plant - Biomass chip transport equipment - Incineration facility ash transport conveyor - Food waste crushing and sorting device *For more details, please refer to the PDF document or feel free to contact us.

  • Other conveying machines
  • Other contract services
  • Processing Contract

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Digest Edition: Thermal Spray Coating Technology Handbook, 1st Edition

A comprehensive overview of thermal spraying technology (surface treatment methods) that you can’t ask about now!

This is a technical handbook about thermal spraying. - I've heard of thermal spraying but don't know much about it. - What are the differences compared to other surface treatments? - What applications can it be used for? I want to design something like this; can thermal spraying solve it? We introduce a wealth of basic knowledge about thermal spraying and the services our company offers! We hope you find it useful for your future projects!

  • Other machine elements

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Plant Engineering Environmental Equipment Case Studies [1st Edition]

From planning and design to manufacturing, construction, and maintenance of various types of plants! Leave the environmental equipment to us.

This document is a collection of plant case studies focused on environmental equipment from the Plant Engineering Department. It introduces numerous examples of production, including the "food waste crushing and sorting device" and "waste intermediate plant equipment," so please take a look and utilize it for your future projects. Our company has its own factory and possesses a manufacturing system with technical expertise and skilled workers. The skilled workers go on-site to carry out construction and installation. We will respond with the know-how cultivated through many years of on-site work. Additionally, for items that are broken or deteriorated, if you consult us about on-site inspections, issues, or new concepts, we will undertake and resolve them under suitable conditions. [Contents (excerpt)] ■ Amorphous waste core recycling plant ■ Biomass chip transportation equipment ■ Incineration facility ash transportation conveyor ■ Food waste crushing and sorting device *For more details, please refer to the PDF document or feel free to contact us.

  • Other conveying machines
  • Other contract services
  • Processing Contract

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For noise countermeasures in sensors, measuring instruments, and complex-shaped enclosures, use "electromagnetic wave shielding thermal spraying."

For electromagnetic shielding measures for resin housings and measuring instruments! Coating is possible even for complex-shaped housings.

In Kodama's electromagnetic wave shielding thermal spray, noise is prevented through reflection and absorption. The issues with conventional aluminum enclosures and noise-absorbing sheets are resolved with a hybrid thermal spray coating, further lightweighting the product with a resin enclosure. Additionally, due to the spray method of production, coating is possible on complex-shaped enclosures, making it recommended for electromagnetic wave shielding measures for sensors and measuring instruments. 【Electromagnetic Wave Shielding Effect】 ■ Low-Frequency Noise Shielding - Our unique technology provides an attenuation effect of approximately 10 to 50 (dB) for low-frequency magnetic noise (KEC method). ■ Electromagnetic Wave Shielding - The shielding effect for near-field electric/magnetic fields is approximately 10 to 95 (dB), while for far-field plane waves, it is approximately 95 to 120 (dB). ■ High-Frequency Noise Countermeasure Area - An absorption characteristic of 37 (dB) has been confirmed at 85GHz (W band). *For more details, please refer to the PDF document or feel free to contact us.

  • Other contract services
  • Processing Contract

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What is thermal spraying coating that you can't ask about now? *Technical handbook available.

I will provide a detailed introduction to the classification of the thermal spraying process, thermal spraying processing steps, and the substrate (treated material)!

This document provides a detailed introduction to thermal spray coating technology. It includes abundant information on the classification of spray processes, spray materials, spray coatings, and substrates. Thermal spraying is a processing method that creates a coating by spraying molten metals, ceramics, etc., onto a substrate using heat sources such as combustion gases, arcs, or plasma, and it is currently used in many industrial fields. [Contents *Excerpt] ■ What is thermal spraying? ■ Classification of spray processes ■ About spray coatings ■ About substrates (treated materials) ■ About the thermal spraying process, etc. ★ If you wish to view the entire document, please contact us through the inquiry section. *For more details, please refer to the PDF document or feel free to contact us.

  • Other contract services
  • Processing Contract

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From planning and design of plant engineering to manufacturing, construction, and maintenance.

We provide a comprehensive system that covers everything from planning and design to manufacturing, construction, and maintenance in plant engineering.

Our company has been responsible for the entire process from planning to operation in plant and equipment manufacturing, primarily focusing on melting furnace-related plants. We conduct planning and design suitable for the space, equipment, and surrounding environment, and we take full responsibility for manufacturing, construction, trial operation, and maintenance, thereby achieving the "results" that our customers seek.

  • Conveyor
  • Industrial Furnace
  • Crusher

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Steelmaking mold production service <ingot cases, electrodes, etc.>

Specializing in molds for steelmaking, we respond to various needs with numerous achievements.

We would like to introduce the casting molds used for the production of special steel products that utilize the casting technology that has continued since our company's founding. Leveraging the know-how gained from many achievements, we will respond to various customer needs. 【Features of Casting】 ■ High quality provided due to specialization in steel casting molds ■ Flexible response unique to small-lot production of various types ■ Simulation of manufactured items using 3D CAD *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements
  • Special Steel

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Kodama Corporation Business Introduction [Plant Engineering, Casting, Thermal Spraying]

We will meet our customers' diverse needs by challenging ourselves to do what no one else does with original technology and ideas.

Three divisions: "Plant Engineering," "Casting," and "Thermal Spraying" We enhance added value and quality through advanced technology development, providing optimal solutions to meet our customers' various needs. Leveraging the technology we have cultivated over 100 years, we aim to demonstrate creativity and further contribute to the world of manufacturing. 【Manufacturing Structure】 ■ Plant Engineering Division (Steelmaking plants, public facilities, etc.) ■ Casting Division (Steelmaking molds, etc.) ■ Thermal Spraying Division (Development of functional coatings such as electromagnetic wave shielding) *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Processing Contract
  • Surface treatment contract service

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Thermal spray coating (wear resistance, shape restoration, creation of new functions)

This is a surface treatment technology that addresses issues related to machinery and production equipment through a variety of parameters involving heat sources (thermal spray devices), thermal spray materials, thermal spray coatings, and substrates.

"Thermal spraying" is a type of surface treatment technology that involves melting or softening a spray material (such as metals or ceramics) adjusted according to the purpose, using a heat source like electricity or gas, and then atomizing it into fine particles that collide with the surface of the target object. This process causes the flattened particles to solidify and accumulate, forming a coating. It is possible to impart many functions, such as extending the lifespan of production equipment parts, reducing costs through shape restoration, and improving productivity by modifying the surface of materials. We have numerous examples of how our thermal spraying technology has proposed and solved various challenges faced by our customers. Please start by requesting a prototype. [Features] - High degree of freedom in material selection - High degree of freedom in coating design - Ability to choose thermal spraying processes according to material and coating design - Capability to form coatings on various substrates and shapes - Custom specifications tailored to product needs *For more details, please refer to the PDF materials or feel free to contact us.

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Electromagnetic wave shielding coating

A coating for electromagnetic wave shielding that disperses metal in a ceramic thermal spray film, enhancing heat resistance and weather resistance!

The heat-resistant and weather-resistant electromagnetic wave shielding ceramic coating is an electromagnetic wave shielding film in which metal components are uniformly dispersed within a ceramic thermal spray coating. Since the substrate is ceramic, it excels in heat resistance and weather resistance. Additionally, due to the diverse parameters unique to thermal spraying technology, we can set conditions such as materials and film structures according to needs. As wireless communication technology becomes more integrated into daily life, we will address the challenges of electromagnetic wave shielding and noise suppression in measures against electronic device malfunctions and security enhancements. 【Features】 ■ Ceramic base - Heat resistance and weather resistance - Corrosion resistance, wear resistance, etc. ■ High degree of freedom in shape and dimensions - Accommodates complex shapes and specification changes - Does not create gaps or seams ■ Wide variety of thermal spray materials and substrates available *For more details, please refer to the PDF document or feel free to contact us.

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Electromagnetic Wave Shielding Thermal Spraying: Effects of Electromagnetic Wave Classification and Noise Countermeasures

- Noise issues and shielding effects for each electromagnetic domain - Electromagnetic wave shielding measures for in-vehicle power electronics enclosures, radar, communication, measurement devices, and medical imaging equipment!

At Kodama Co., Ltd., we are engaged in the development of electromagnetic noise countermeasures technology according to shield classifications. We have developed a thermal spray coating that exhibits shielding effectiveness of approximately 8 to 50 dB in low-frequency magnetic fields (below 100 kHz), about 10 to 95 dB in near-field electric/magnetic fields (100 kHz to 1 GHz), and approximately 95 to 120 dB in far-field plane waves (1 GHz to 6 GHz). Please make use of this for electromagnetic shielding measures in automotive power electronics enclosures, radar, communication, measurement equipment, and medical imaging devices. 【Features】 - Exhibits an attenuation effect of approximately 10 to 50 dB for low-frequency (500 Hz to 100 kHz) magnetic noise. - As it is a thermal spray (spray type), it can coat complex shapes and narrow areas. - The magnetic shield attenuation effect can be controlled by changing the film thickness. *For more details, please refer to the PDF document or feel free to contact us.

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Electromagnetic noise countermeasures for resin enclosures and weight reduction.

We will solve issues such as weight reduction of power electronics enclosures, EMC and noise countermeasures, and improved mass production through metal resin technology and thermal spraying techniques!

As the electronic control, wireless technology, and high-speed communication of industrial equipment advance, addressing electromagnetic noise has become a significant challenge. On the other hand, to reduce the weight of various components, there is a shift from metal to resin materials, but electromagnetic noise remains an issue that needs to be resolved. In response, we propose our "Hybrid Electromagnetic Noise Suppression Coating." The term "hybrid" means that it possesses both "reflective shielding" and "absorption loss" functions of electromagnetic waves. By incorporating both functions, we aim to achieve noise suppression effects that surpass those of metal enclosures. Additionally, by coating resin materials, we have made it possible to balance noise countermeasures with weight reduction. 【Features】 - Resin enclosures with shielding properties (preventing noise through reflection and absorption) - Achieving lightweight products (replacement of metal with resin) - Coating applicable to complex-shaped enclosures (shielding reliability) *For more details, please refer to the PDF document or feel free to contact us.

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Achieve improved power efficiency and communication distance with magnetic bypass coating.

Magnetic induction (bypass) is expected to improve the efficiency of wireless power transmission and enhance the communication range of RFID tags!

Magnetic induction (bypass) is possible at any frequency. Improvements in communication distance and power supply efficiency are expected. Furthermore, lightweight design is possible during the design phase for the formation of thin films on the order of several tens of microns. 【Features】 ■ Achieves low tanδ values with our thermal spray coating ■ Enables high efficiency in wireless power transmission ■ Helps improve communication distance for RFID tags and other applications by utilizing magnetic bypass coating ■ Formation of thin films on the order of several tens of microns ■ Lightweight design is possible during the design phase *For more details, please refer to the PDF document or feel free to contact us.

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Heat dissipation coating

Achieving improved heat dissipation of the resin housing! By using resin for the housing, we achieve weight reduction, and further enhance heat dissipation and shielding properties through thermal spraying coating!!

We offer "heat dissipation coatings" that enable efficient thermal conduction and radiation through thermal spraying technology. By converting housings such as aluminum die-casts into resin, we achieve heat sink-less designs, weight reduction, miniaturization, thinness, improved mass production, and cost reduction. This allows for the development of housings that combine the advantages of both resin and metal. Additionally, because the thermal spray coating is applied using a spray method, it can form a uniform and stable coating even on complex shapes. We address the weaknesses of traditional resin materials and achieve high-performance resin solutions. 【Features】 ■ Improved heat dissipation of resin materials ■ Electromagnetic shielding measures for resin materials ■ Lightweight housings, enhanced mass production, and cost reduction ■ Usable in various fields and environments with resin housings *For more details, please refer to the PDF document or feel free to contact us.

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HVOF thermal spraying (High Velocity Oxygen Fuel spraying)

It is a super hard coating technology that possesses a dense film characteristic with strong adhesion to the substrate, resulting in extremely high wear resistance and corrosion resistance.

"HVOF thermal spraying (High Velocity Oxygen Fuel spraying)" is a super hard thermal spray coating adapted for wear and corrosion resistance. Due to the smooth surface of the coating, it is easy to achieve a super mirror finish, and a thick film formation is also realized. The extremely high particle velocity (500–800 m/s) produces a coating with very high density and low porosity. Additionally, because the material is fed at ultra-high speed, the time it is exposed to the flame is minimized, allowing for the reduction of oxidation and alteration to a minimum. 【Features】 ■ High density ■ High adhesion ■ Oxidation and alteration suppression ■ Surface smoothness *For more details, please refer to the PDF document or feel free to contact us.

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[Data] Thermal Spray Case Photos

Effective for extending the lifespan of parts such as wear resistance, corrosion resistance, and dimensional restoration! We will introduce various thermal spraying examples with photos.

At Kodama Co., Ltd., we conduct "thermal spraying," which is expected to achieve cost reductions through "prolonging the lifespan" and "shape restoration" of production equipment, as well as "value creation" by adding new functionalities. In this document, we introduce examples of various products that have been coated, including V pulleys, bearing supports, flanges, and soldering pots. The effects obtained through thermal spraying technology are diverse, including wear resistance, dimensional restoration, and corrosion protection. [Featured Examples (Excerpt)] - V Pulley - Bearing Support - Flange - Drum Thermal Spraying - Swivel Joint *For more details, please refer to the PDF document or feel free to contact us.

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[Product Example] Wear-resistant and restorative coating for equipment and parts

By performing thermal spray coating, it is possible to extend the lifespan, allowing for parts replacement and cost reduction!

The thermal spraying technology, a type of surface treatment, is expected to create added value through cost reduction by extending the lifespan of production equipment parts and restoring shapes, as well as by providing new functionalities. Our company has numerous achievements in enhancing the wear resistance of components such as pouring cups and sand conveying screws, as well as in restoring dimensions of motor shafts. We offer custom specifications tailored to product needs, accommodating various materials, dimensions, shapes, and applications, so please feel free to contact us. 【Product Examples】 ■ Pouring Cups ■ Shot Blades ■ Sand Conveying Screws ■ Casting Sand Mixing Mixer Blades ■ Paddles *For more details, please refer to the PDF document or feel free to contact us.

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【Information】Thermal Spraying Q&A

I will answer your questions about thermal spraying!

At Kodama Co., Ltd., we perform "thermal spraying," which can provide many functions such as extending the lifespan of production equipment parts, reducing costs through shape restoration, and improving productivity by modifying the surface of materials. This document includes a variety of Q&A related to thermal spraying. We answer a total of 18 questions, ranging from the basics like "What is thermal spraying...?" to performance-related questions about the differences in thermal spraying. [Contents (Excerpt)] ■ Basics - What is thermal spraying? - What applications is it used for? - What types of thermal spray materials are available? - Is there a concern about distortion due to thermal effects? *For more details, please refer to the PDF document or feel free to contact us.

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Do you have any problems with corrosion?

A must-see for those troubled by corrosion! By creating a thermal spray coating, it is possible to further enhance corrosion resistance.

Are you struggling with the corrosion of metal parts in harsh outdoor environments (such as salt damage)? By preventing corrosion and rust, you can save the hassle of replacing parts and significantly reduce lifecycle costs. In addition to weather-resistant thermal spraying on resin (to prevent UV degradation), we contribute to the corrosion protection of bridges, transmission towers, cubicles, and control panels. If you are facing issues with corrosion, please feel free to consult us. 【Overview】 ■ The sacrificial corrosion protection effect of the coating allows metal parts to be used for a longer time. ■ By creating a ceramic thermal spray coating with additional benefits, the corrosion resistance effect is further enhanced. ■ By applying a thermal spray coating, there is no need to repeatedly purchase expensive metal parts. ■ Corrosion protection for bridges, transmission towers, cubicles, and distribution boards. *For more details, please refer to the PDF materials or feel free to contact us.

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Surface treatment: Sandblasting/Shot blasting

Introducing surface treatment technologies that can be used for applications such as cleaning and surface preparation of metal surfaces.

At Kodama Casting Co., Ltd., we offer surface treatment services for "sandblasting/shot blasting." "Sandblasting" is a method of processing surfaces by mixing abrasive particles with compressed air from a compressor and spraying them, making it suitable for rust removal and similar applications. "Shot blasting" involves colliding steel shot balls with the workpiece to perform processing, allowing for blasting treatment of large parts and a large volume of products. Please feel free to contact us when you need our services. 【Features】 <Sandblasting> - Processes surfaces by mixing abrasive particles with compressed air from a compressor and spraying them - Useful for rust removal and similar tasks - Available for single items as well *For more details, please refer to the PDF document or feel free to contact us.

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Surface Treatment Technology: Five Features and Seven Effects of Kodama's Thermal Spraying Technology

Extending the lifespan of production equipment parts! Cost reduction! Extending the lifespan of parts! Proposing the highest level of coating to achieve better results!

At Kodama Co., Ltd.'s thermal spraying department, we rapidly form coatings on various substrate materials. There is minimal distortion of product materials due to thermal effects, and we can impart many functions through <5 features and 7 effects>, leading to cost reduction and improved productivity. <Features> 1. Coating formation on various substrate materials 2. A wide variety of coating types (metals, ceramics, etc.) 3. Coating formation limited to specific areas of the substrate 4. Minimal distortion of product substrates due to thermal effects 5. Fast coating formation speed <Spraying Effects> ■ Wear resistance ■ Heat resistance ■ Corrosion resistance ■ Weather resistance ■ Electrical insulation ■ Electrical conductivity ■ Generation of far-infrared rays *For more details, please refer to the PDF or feel free to contact us.

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