At the "Robot and Aerospace Festival Fukushima 2024" (November 29-30, Big Palette Fukushima), we will be exhibiting the "Thermal Property Measurement Device" and "Linear Actuator."

Introducing devices for measuring the thermal diffusivity of sheet-like and plate-like materials, as well as thermal evaluation devices for fiber orientation distribution!

Introducing Bethel's thermal property measurement devices. The "Thermo Wave Analyzer TA33/35" is a measurement device for the thermal diffusivity of sheet and plate materials, capable of measuring the thermal diffusivity of functional materials. The "Thermal Microscope TM" has been commercialized through joint development with the National Institute of Advanced Industrial Science and Technology's Measurement Standards Division, allowing for measurements in micro-regions and thin films. Additionally, we offer the "Thermal Imaging Scope TSI," which visualizes thermal conduction paths using infrared cameras and lasers, as well as the "Fiber Orientation Evaluation System TEFOD." 【Features of the Thermo Wave Analyzer TA33/35】 ■ High freedom of sample shape ■ Dynamic range from organic films to diamonds ■ Anisotropy evaluation through measurements in horizontal and vertical directions ■ Evaluation of defects and irregularities through distribution measurements *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

Thermal conductivity can be measured non-contact! No surface treatment is required for carbon-based materials!

Yttria-stabilized zirconia is "an oxide based on zirconia, with the addition of yttrium oxide, which stabilizes the crystal structure of zirconia at room temperature." Applications include refractory materials, electrically conductive ceramics, materials for solid oxide fuel cell (SOFC) products, and due to its hardness and optical properties in single crystals, it is also used as a gemstone, such as cubic zirconia. In the case of fuel cell materials, thermal properties are important because the operating temperatures are high. Additionally, cubic zirconia closely resembles diamond and is often used as a diamond substitute. Like diamonds, it has a high refractive index, which gives it a sparkling appearance. The main difference lies in thermal conductivity. There are devices that can simply assess thermal properties to distinguish between diamond and zirconia. It seems that it is also used in thermal barrier coatings (TBC) for gas turbines. The measured result for thermal diffusivity was 1.13×10^-6 m^2s^-1. This value is 2 to 3 orders of magnitude lower compared to diamond. Our ThermoWave Analyzer TA allows for non-contact measurements. Many carbon-based materials can be measured without the need for surface treatment.

• Other physicochemical equipment

Leave the measurement of the thermal conductivity of carbon fiber reinforced plastic (CFRP) to us.

Carbon fiber reinforced plastics (CFRP), used in electric vehicles, aircraft, satellites, and rockets, require precise knowledge of thermal conductivity. For instance, when used in electric vehicles, understanding thermal conductivity is essential for heating performance and battery thermal management. Changes in electricity consumption due to heating performance and thermal management significantly affect driving range. Similarly, when used in satellites and rockets in the harsh environment of space, it is necessary to understand thermal conductivity to ensure heat resistance performance. With Bethel, you can accurately measure the thermal conductivity of this carbon fiber reinforced plastic (CFRP).

• Thermo-fluid analysis

Even thin and small samples, as well as samples with high thermal conductivity, can be measured!

We are also able to measure the thermal conductivity of conductive diamonds. Normally, diamonds are insulators, but by doping with boron, they can be made conductive, allowing for the creation of high-performance electrodes. This enables redox reactions that are impossible with electrodes made from other materials due to a wide potential window, and they can be used in harsh environments such as strong acids and strong alkalis, offering significant advantages. Personally, I am particularly interested in their potential use in the recycling of CFRP. The measurements will be conducted using the ThermoWave Analyzer TA35. [About the Samples] The samples this time have thicknesses of 30μm and 300μm, and with a sample size of 10mm x 10mm, it can be said that measurement with ordinary thermal conductivity measurement devices is nearly impossible. Measurement is only possible with the ThermoWave Analyzer. The 30μm thick sample is matte black with a smooth surface. The 300μm thick sample is also matte black, but its surface was slightly rough. However, this level of roughness has no effect on the measurements at all.

• Thermo-fluid analysis

Thermal conductivity distribution measurement and the anisotropy of thermal diffusivity in each part can be evaluated.

Here is an example of evaluating thin polyimide sheets. Polyimide sheets are resin materials primarily used as insulating substrates and insulating layers in electronic circuits. This time, we measured the thermal diffusivity in the thickness direction using a ThermoWave Analyzer TA on a sheet with a thickness of 7.5 μm. Even with the same polyimide sheet, there are significant thermal differences depending on the thickness. When comparing examples of 25 μm and 7.5 μm using the measure of thermal diffusion time, there is nearly a tenfold difference. The thinner sheet diffuses heat in one-tenth the time. For in-plane measurements, it is relatively easy to achieve time resolution since the distance between the heating point and the detection point can be established. However, for thickness direction measurements, it is necessary to detect rapid temperature changes, which affects the basic performance of the equipment. Traditional measurement methods make the measurement itself difficult. Additionally, at a thickness of 7.5 μm, the thermal effects of surface blackening treatment cannot be ignored, so we have devised methods to minimize these effects during sample preparation and measurement. The measurement results are as follows: Thermal diffusivity in the thickness direction: 0.103 × 10^-6 m²s^-1. This value is approximately 30% lower compared to the 25 μm thick polyimide.

• Other physicochemical equipment

Thermal conductivity distribution measurement and the anisotropy of thermal diffusivity in each part can be evaluated.

In recent years, the miniaturization and high output of electronic devices have rapidly advanced, and as a result, thermal management (heat dissipation) has become a very important issue. Traditionally, heat dissipation has been maintained by using metals, but in recent years, it has begun to be replaced by "high thermal conductivity resins." High thermal conductivity resins are "lightweight" and have "moldability" compared to traditional metals, are "corrosion-resistant," and above all, have the advantage of being "low-cost." However, there is also the disadvantage of low thermal conductivity, and many material manufacturers are actively developing solutions to address this issue. It is expected that "high thermal conductivity resins" will become mainstream in the future. On the thermal properties blog, we introduce examples of thermal conductivity measurements of "high thermal conductivity resins." http://blog.thermal-measurement.info/archives/cat_50051425.html

• Other physicochemical equipment

The change in thermal penetration rate can be observed from the distance from the surface.

By using the Bethel Corporation's thermal microscope TM3, you can understand the "change in thermal penetration rate with distance from the surface" of NiTi alloy.

• Other physicochemical equipment

Development of aluminum nitride, known for its use in heat sink materials!

■Evaluation of particles with a micro size (3μm and above) ■Evaluation of thermal conductivity of thin films ■Measurement possible at submicron order

• Microscope

Thermal evaluation of 'tantalum', an essential component for electronic products!

■Non-contact measurement using lasers ■Confirmation of anisotropy in the in-plane direction and thickness direction ■Conversion of thermal diffusivity to thermal conductivity and thermal permeability ■Absolute measurement method with easy condition setting

• Microscope

Evaluating the electrode part of the semiconductor laser!!

■Visualizing the thermal conductivity of the insulating layer ■Evaluating the thermal conductivity of thin films ■Evaluating the thermal penetration rate in micro-regions (3μm and above)

• Microscope

Measuring the thermal diffusivity of semiconductor material 'Si wafer's thermal properties'!

The thermal diffusivity of "Si wafers," which are essential materials for semiconductors, can be measured.

• Other metal materials

Thermal evaluation of gallium nitride, known for blue LEDs and semiconductor materials!!

■Evaluation of particles with a micro size (3μm and above) ■Evaluation of thermal conductivity of thin films ■Measurement possible at submicron order

• Microscope

It will help in the development of thermoelectric materials!

Energy conservation is a challenge that must be addressed throughout Japan and the world in the future, and it is expected that the development of thermoelectric materials will also accelerate within this context. In fact, our company has received numerous requests for measurements of thermoelectric materials. Since the earthquake, there has been a particularly increasing trend, and if our measurement technology can contribute to the world of energy conservation, we are willing to cooperate in any way possible.

• Other metal materials

The anisotropy of the graphite sheet (in-plane direction and thickness direction) has become measurable!

○ Anisotropy of graphite sheets (in-plane direction and thickness direction) ○ Thermal diffusivity ○ Thermal conductivity

• Optical microscope

It will help in the development of high thermal conductivity materials! 【Cooling of semiconductor devices / heat sinks】

■Measurement of thermal properties of carbon nanotube (CNT) applied materials ■Surface treatment is unnecessary (in the case of carbon-based materials) ■Essential for the development of high thermal conductivity materials! ■Non-contact measurement

• Composite Materials

The thermal conductivity of the coating's surface and cross-section can be measured!

■ Thermal conductivity line analysis of the coating cross-section ■ Measurement of thermal conductivity distribution with a spatial resolution of 3 micrometers ■ Measurement of thermal conductivity from the coating surface

• Contract measurement

Bulk, thin film, micro areas, plate-shaped, sheet-shaped, almost all materials can be accommodated. Please consult us once.

Supports various thermal conductivity measurement methods such as steady-state method, periodic heating method, and thermoreflectance method. Compatible with plate-shaped, sheet-shaped, soft samples, fibrous materials, and various shapes. Please consult us even for samples that have been rejected by other companies.

• Contract measurement

Linear actuator

A very compact and lightweight linear actuator measuring 30mm x 21mm x 12.5mm and weighing 10g. Equipped with our micro geared motor, it achieves high drive efficiency while saving space, allowing for long-term operation with dry batteries. It contributes not only to IoT products like electronic locks but also to the miniaturization and wearability of medical measuring instruments and industrial equipment.

• DC Motor

Key device of the IoT era, equipped in electronic locks and small control devices.

A key device for the IoT era, equipped in electronic locks and small control devices. It is a super compact and lightweight micro geared motor that operates at DC3V, featuring energy efficiency and long operational life with dry batteries. High driving efficiency has been achieved, and it is expected to be utilized in a wide range of applications in the future. ■ Features - DC geared motor Φ6mm × 18.3mm - Small precision geared motor using a 3-stage planetary gear reduction gear head ■ Applications Various actuators, electronic locks, small control devices, and small devices controlled by short-range wireless communication, etc.

• Other motors

CLT, which has been widely adopted in the construction field, is now expanding its applications into the civil engineering sector. The "Hyper CLT Mats" are civil engineering CLT products that utilize wood CLT as temporary materials. Traditionally, steel plates have been the mainstream choice for temporary roads, access routes, and heavy machinery yards. The Hyper CLT Mats introduce a new option of "wood" to that market. The 5x10 mats weigh approximately 230 kg, making them lightweight and easy to install and remove with small machinery, with a maximum capacity of 40 mats on a 10-ton truck. They also have advantages in terms of workability and transportation efficiency. Moreover, they offer added value that can only be achieved with wood, such as glare reduction, noise control, CO2 fixation, and consideration for aesthetics. This product is expected to be a new proposal for not only construction companies but also building material firms, lumber companies, and material trading companies. It is a registered technology with the Ministry of Land, Infrastructure, Transport and Tourism under NETIS, with the registration number "TH-250021-A." The use of wood is not limited to construction anymore. The utilization of Hyper CLT Mats is expanding as a new market that connects civil engineering and wood.

Fukuda Corporation has been pursuing leak detection for 60 years and is dedicated to advancing the future of leak testing. 【 Supporting Various Leak Tests: Air Leak Test / Gas Leak Test (Hydrogen Gas, Helium Gas) 】 We develop, manufacture, and sell leak testing equipment to inspect airtightness and sealing performance. We will propose suitable testers and devices for each inspection target. 【 Target Industries and Examples of Inspection Targets 】 - Automotive Industry: Engines, FC components, valves and piping, various parts - Electronic Components Industry: Smartphones, keyless switches, various small sensors - Pharmaceuticals / Food / Cosmetics Industry: Bottle containers, syringes, vials, eye drop containers, pillow packaging, PTP packaging We will propose the most suitable leak testers for each industry. 【 ISO Certification 】JIS Q 9001:2015 (ISO 9001:2015)

This is a collection of links to Fukuda's technical columns. It covers various topics related to leak tests and more... Please check the related links for more information.

In civil engineering sites such as mountainous areas and construction sites, it may be necessary to use wooden boards on slopes or inclined access roads. Hyper CLT boards are civil engineering materials utilizing wood CLT, which can be laid not only on flat ground but also on sloped terrain. They can be used for temporary roads, access routes, heavy machinery entry paths, and measures against muddy conditions, creating a driving environment that takes advantage of the unique surface characteristics of wood. The 5×10 board weighs approximately 230 kg, and the 5×20 board weighs about 460 kg, making them lightweight and easy to install and remove even with small machinery, which is a notable feature for maneuverability in narrow sites. This wooden board is registered as a technology under the Ministry of Land, Infrastructure, Transport and Tourism's NETIS system as "TH-250021-A," and can also be utilized for safety measures and innovative ideas in public works.

Metal cracks are one of the concerns in equipment maintenance operations. Repairs using conventional welding methods can alter the base material around the crack due to heat, leading to residual stress and deformation, which always carries the risk of "crack recurrence" or "secondary damage." Hinode Waterworks Equipment Co., Ltd.'s "Mechanical Stitching Method" is a new technique that allows for the repair of metal cracks without applying heat. By using special bolts and reinforcement plates, the crack is physically removed without affecting the base material with heat. Repairs can be performed even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. For more details, please contact us or download the catalog.