Integrated Report 2023
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SE22Value Creation StrategySpecial FeatureSocial InnovationEnvironmental InnovationVarious sheet materials we have developed and are proposing to support automobile safety and auto-matic drivingA thermoelectric module that is flexible and can be affixed to curved surfacesPeltier modules effectively controlling heat in electronic componentsWearable sensors using CNTsExamples of Products We Have DevelopedWe are moving forward with the development of technologies and proposing applications for Welsurt products. Here, we introduce the products we have developed, dividing them according to social and environmental themes.Millimeter-Wave Absorbing MaterialsWe have developed a sheet material capable of controlling elec-tromagnetic waves in the millimeter range. We are proposing that automobile repair shops use these sheets to suppress electro-magnetic interference. Such interference, caused by surrounding metal objects, can obstruct testing to determine whether the millimeter-wave radar used in advanced driving support systems is operating properly.Film HeatersFilm heaters generate heat instantly when electricity is passed through them. Our proprietary wiring and sheet technologies are used to achieve excellent transparency and elasticity. We expect these heaters to be utilized in preventing snow and ice from build-ing up on high-precision lidar sensors, which are necessary for advanced self-driving technology, as well as headlights and in-vehicle cameras.Ultra-Thin Thermoelectric ModulesThese modules are capable of converting thermal energy into electrical energy, using slight differences in temperature. Being only 0.6 millimeters thick, the modules adhere well even to curved surfaces, so they can be attached to heat-generating surfaces such as curved industrial ducts. They can also help conserve energy when mounted on wearable and mobile devices. Ultra-Thin and Lightweight Peltier ModulesThese ultra-thin, lightweight cooling modules utilize the Peltier effect to absorb and release heat when electricity is applied. We believe these modules can be used to control heat in electronic materials, which is useful as these devices grow increasingly dense. Whereas typical mod-ules are several mil-limeters thick, we have achieved a thickness of 0.6 millimeters. The modules are thin and lightweight and have a high cooling effect. CNT Wearable SensorsWe have developed wearable sensors made from threads of carbon nanotubes (CNTs), which excel in electrical conductivity, strength, durability, and flexibility, and are woven into a stretchable fiber. When attached to a glove or supporter, these sensors can detect bending and stretching movements of fingers, arms, and legs. They can thus be used to communicate information related to nursing care, rehabilita-tion, sports, and games.

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