Even materials that are fragile and prone to tearing can now be processed thanks to the development of production equipment.
Electronic devices such as smartphones, PCs, and digital cameras generate heat during use, which can lead to performance degradation and low-temperature burns. As a countermeasure, materials with high thermal diffusion capabilities, such as graphite sheets, are used. However, while graphite sheets are thin, lightweight, and have greater thermal diffusion capabilities in the plane direction than copper, they are also very brittle and prone to tearing, making them difficult to handle. Our company has developed original processing equipment that enables mass production of thermal management products, specifically "thermal diffusion graphite sheets," through pressing, laminating, and pouch processing. - A special press processing technique that simultaneously punches out sheet-like graphite sheets while suctioning, transporting, and realigning them into a reel shape. - Production equipment capable of high-speed and high-precision continuous pouch processing and sealing of graphite sheets. - An online image inspection system for sorting defective products and an automatic sorting device. We leverage these technologies to address our customers' thermal issues. Additionally, we have introduced the same equipment in China and Malaysia, allowing for graphite sheet processing with the same quality as in Japan.
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basic information
We own 3, 5, 8, 25, and 35-ton presses, with the 5-ton and 8-ton models primarily in operation. 5-ton press QDC specification: 180 Maximum processing dimensions: 180×150mm Speed: Up to 300 shots per minute (spm) 8-ton press QDC specification: 200 Maximum processing dimensions: 200×200mm Speed: Up to 170 shots per minute (spm) Both the 5-ton and 8-ton presses have a proven accuracy of 38 microns at the bottom dead center under certain conditions, with a processing accuracy of ±0.05 to 0.2 mm (0.1 mm PET). The equipment, including presses, is manufactured in-house, allowing for rapid customization. By combining presses, laminating machines, and image inspection machines, it is possible to manufacture products on a single line. Even if the above conditions do not match the processing requirements, customization may be possible, so please feel free to inquire.
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Applications/Examples of results
Heat dissipation materials for devices such as smartphones that generate heat.
Detailed information
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5-ton press machine A 5-ton press machine developed in-house. The in-house developed product is painted in blue, which is the image color of Otis.
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Company information
OTIS Co., Ltd. is a manufacturer specializing in press processing and lamination of film and tape products. Under our slogan, "Micro Technology, Macro Impact," our mission is to create film and tape products that drive progress across every industry, with our outstanding press processing technology at the core, and to enhance the value of our customers' products. With our core manufacturing functions based in Okayama and a sales contact in Tokyo, we also operate overseas bases in Hong Kong, China (Qingdao and Dongguan), and Thailand. This global production network enables us to deliver consistent quality and a stable supply both in Japan and abroad. We have a proven track record across a wide range of industries, including smartphones and information devices, batteries and energy, EVs and automotive components, home appliances and amusement, and medical and healthcare. We take a proactive, solution-oriented approach from the prototype stage, even for difficult-to-process materials and components requiring high precision. In 2026, our company was featured in FORTUNE magazine, drawing attention both in Japan and internationally. If you are looking for a partner who can process your film, please feel free to contact us.
