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Heat dissipation sheet - Graphite sheet

Heat dissipation sheet - Graphite sheet

Thermal conductivity is about 4 times that of copper and about 7 times that of aluminum! It has excellent heat dissipation properties.

"Graphite sheets" are materials that have very high thermal conductivity in the plane direction. The thermal conductivity in the plane direction is about four times that of copper and about seven times that of aluminum. They are used in various industries, including communication devices (such as 5G-compatible devices), automotive parts, and electronic equipment, with processing achievements in pressing and pouching. Prototyping and mass production are possible. Please inquire about sizes and shapes. 【Features】 ■ Very high thermal conductivity in the plane direction ■ Lighter and more flexible than aluminum, but has a very brittle nature ■ Excellent lightweight properties, flexibility, low water absorption, and electromagnetic wave shielding effects ■ Capable of mass production ■ Proven processing achievements in pressing, pouching, and laminating *For more details, please refer to the PDF materials or feel free to contact us.

  • Other polymer materials

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Electromagnetic wave noise suppression sheet (magnetic material sheet)

Electromagnetic wave noise suppression sheet (magnetic material sheet)

A material that suppresses the effects of electromagnetic wave noise! Essential for 5G-compatible devices and automotive parts!

Electromagnetic wave noise can cause malfunction of devices and disturbances in video and audio due to strong external electromagnetic waves. Electromagnetic wave suppression sheets (magnetic sheets) are mixed materials made of soft magnetic materials with high permeability and resin materials, used to mitigate the effects of such electromagnetic waves. They are used in various industries, including communication devices (such as 5G-compatible devices), automotive parts, and electronic equipment, with many processing achievements such as pressing and pouching. Prototyping and mass production are possible. Please inquire about sizes and shapes. 【Features】 ■ A material that suppresses electromagnetic waves from electronic devices and components. ■ Lightweight and made of a soft material, it offers superior workability and impact resistance compared to pure magnetic materials and ferrite. ■ In recent years, there has been an increase in cases of use as noise countermeasures in the high-frequency band of 5G. (Countermeasures for low frequencies are also possible.) *For more details, please refer to the PDF document or feel free to contact us.

  • Composite Materials

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【Heat Dissipation Sheet】 High thermal conductivity, noise reduction, silicone-free, etc.

【Heat Dissipation Sheet】 High thermal conductivity, noise reduction, silicone-free, etc.

We handle a wide range of thermal conductivity materials and heat dissipation sheets that can absorb electromagnetic waves, and we will propose suitable materials based on your desired specifications. *Samples are available upon request.

Our company purchases a wide variety of thermal conductive sheets from multiple manufacturers and processes suitable materials according to our customers' needs. If you are having trouble with shape processing, whether you are an end user or a material manufacturer, please feel free to contact us. 【Thermal Conductive Sheets We Handle】*Partial Excerpt ■ Thermal conductive sheets with thermal conductivity in the vertical direction (thickness direction) ■ Thermal conductive sheets with high thermal conductivity of "30 W/m·K" or more ■ Thermal conductive sheets that can counteract noise ■ Silicone-free thermal conductive sheets ★ If you would like a sample, please request it through the inquiry form. *For more details, please refer to the PDF document or feel free to contact us.

  • Other electronic parts

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Electromagnetic wave noise suppression sheet (EMC) *Many processing achievements such as pouch processing.

Electromagnetic wave noise suppression sheet (EMC) *Many processing achievements such as pouch processing.

Simply by sticking it near the noise source, high-frequency noise is attenuated! It can effectively suppress unwanted radiation without any secondary effects. It can also be applied to bent areas.

In small electronic devices such as mobile phones and laptops, issues arise due to high-density mounting of electronic components and the use of low-voltage ICs for power-saving purposes, leading to unwanted radiation in the high-frequency range and complex electromagnetic interference between components and circuits. The "Noise Suppression Sheet" is designed to mitigate the effects of electromagnetic waves by regularly arranging soft magnetic materials with high permeability within a resin matrix, while also electrically isolating the powder particles from each other. By applying this sheet near the source of noise, inductive coupling is suppressed, high-frequency noise is attenuated, and unwanted radiation can be effectively suppressed without secondary effects such as secondary radiation or signal degradation. Additionally, it is flexible and can be applied to curved surfaces. *For more details, please refer to the PDF document or feel free to contact us.*

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  • others

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Numerous achievements in graphite sheet processing! Introduction of application examples.

Numerous achievements in graphite sheet processing! Introduction of application examples.

We also have production equipment capable of continuous laminate processing! Here are some examples of the use of graphite sheets.

"Graphite sheets" are lightweight materials with very high thermal conductivity in the plane direction. *Thermal conductivity (about 4 times that of copper, about 7 times that of aluminum). While they have a large thermal diffusion capacity, the material itself is very brittle, making it very difficult to handle in processing due to issues such as powdering and interlayer delamination. However, our company can provide products tailored to customer needs by solving such challenges based on our extensive processing experience. [Adoption Examples] ■ Electronic devices (automotive, smartphones, portable game consoles, laptops, etc.) ■ Module components (LCD, OLED, etc.) ■ Other applications such as thermal diffusion, heat dissipation, heat spot relief, and temperature uniformity. *For more details, please refer to the PDF document or feel free to contact us.

  • Other polymer materials

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☆★☆【Noise Countermeasure】Electromagnetic Wave Absorption Sheet☆★☆

☆★☆【Noise Countermeasure】Electromagnetic Wave Absorption Sheet☆★☆

Numerous achievements with smartphones, laptops, etc.! Half-cut and pouch processing available.

Electromagnetic waves emitted by various electronic devices, such as electronic equipment and communication devices, can potentially affect surrounding devices and systems. To prevent such electromagnetic interference, electromagnetic wave absorption sheets are used. Additionally, they are flexible and can be applied to curved surfaces.

  • EMC countermeasure products

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Heat dissipation sheet, heat dissipation rubber (TIM material)

Heat dissipation sheet, heat dissipation rubber (TIM material)

It is a material with high thermal conductivity in the vertical direction, suitable for electronic devices and automotive parts!

TIM materials (thermal interface materials, thermal conductive sheets, thermal conductive rubber) have high thermal conductivity in the vertical direction (thickness direction), filling gaps between different materials and serving the roles of thermal conduction and cushioning. For example, in thermal management using heat dissipation components like heat sinks, gaps occur due to the unevenness between the heat-generating element and the heat sink. By filling these gaps with thermal conductive sheets, smooth heat diffusion can be achieved. Showa is capable of processing such materials. Please inquire about sizes and shapes. 【Features】 ■ High thermal conductivity in the vertical direction (thickness direction) ■ Serves the roles of thermal conduction and cushioning ■ Often used in areas requiring conformability, but the softness increases processing difficulty ■ Capable of mass production *For more details, please refer to the PDF materials or feel free to contact us.

  • Rubber

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Graphite sheet has about 4 times the thermal conductivity of copper and about 7 times that of aluminum!

Graphite sheet has about 4 times the thermal conductivity of copper and about 7 times that of aluminum!

For graphite processing, please consult with Showa, which has a proven track record!

"Graphite sheets" are lightweight materials with very high thermal conductivity in the plane direction. Our company provides products tailored to customer needs based on our extensive processing experience. We can also offer suggestions for powder/layer delamination measures. 【Applications】 ■ Thermal Conductive Materials Used as thermal conductive materials for efficiently conducting heat, such as cooling materials for electronic devices and semiconductor devices. ■ Vibration Damping Materials Used as vibration damping materials for machines and engines due to their ability to absorb vibrations. ■ Electrode Materials Excellent electrical conductivity makes them suitable for use as electrode materials in electrochemical devices such as batteries and fuel cells. ■ Heat Resistant Materials Graphite sheets have properties that withstand high temperatures, making them suitable for applications in high-temperature environments, such as insulation materials for high-temperature kilns and furnaces.

  • Other polymer materials

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[Examples of Electromagnetic Wave Noise Suppression Sheet Adoption] Smartphones, laptops, etc.

[Examples of Electromagnetic Wave Noise Suppression Sheet Adoption] Smartphones, laptops, etc.

We have experience with half cuts and pouch processing! It has a structure that electrically isolates the powder compartments.

In small electronic devices such as mobile phones and laptops, issues have arisen due to high-density mounting of electronic components and increased clock speeds, leading to unwanted radiation in the high-frequency range and complex electromagnetic interference between components and circuits. By attaching the "Electromagnetic Wave Noise Suppression Sheet" near the noise source, inductive coupling is suppressed, and high-frequency noise is attenuated. This effectively suppresses unwanted radiation without secondary effects such as secondary radiation or signal degradation. Additionally, it is flexible and can be applied to curved surfaces. 【Examples of Use】 ■ Smartphones, laptops, tablets ■ Game consoles, in-vehicle infotainment systems ■ Dash cameras, sensors, etc. *For more details, please refer to the PDF document or feel free to contact us.

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  • Other machine elements

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【Examples of Heat Dissipation Sheet (TIM) Adoption】 Car audio, tablets, etc.

【Examples of Heat Dissipation Sheet (TIM) Adoption】 Car audio, tablets, etc.

Achieves smooth heat transfer! Excellent thermal conductivity in the vertical direction, electrical insulation, and cushioning properties.

Generally, there are thermal management solutions using heat dissipation components such as heat sinks. However, both the heating element and the surface of the heat sink have fine irregularities, and when they are directly overlapped, gaps are created, which significantly hinder thermal conduction. By using a "thermal interface material (TIM)," smooth heat transfer can be achieved. It is made of a material that has high thermal conductivity in the vertical direction (thickness direction), filling the gaps between dissimilar materials and serving the roles of thermal conduction and cushioning. 【Examples of Use】 ■ Automotive: Car audio, car navigation systems ■ Aircraft: AV equipment such as seat monitors ■ Communication devices: Smartphones, tablets ■ Others: LED lighting, sensor boards, etc. *For more details, please refer to the PDF materials or feel free to contact us.

  • Other machine elements

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