We respond to your needs with a wide range of optical thin film lineup and high-precision polishing and thin film processing technology. We can perform precision polishing of various optical materials and film formation on precision mirrors over 1.4 meters.
The HEF Group has newly entered the strategic field of photonics and will continuously contribute to innovations in surface treatment science. We have acquired three companies: ABRISA Technologies (California, USA), KERDRY (France), and FICHOU (France). The expertise we have cultivated over many years within the group (PVD/PECVD thin films, femtosecond lasers, surface characterization know-how) will surely be applicable in this new field! 【Features】 ■ Compatible from ultraviolet to infrared ■ Precision polishing of various optical materials (flatness λ/20) ■ Support for optimal thin film design tailored to customer needs ■ Capable of film deposition from microchips to precision mirrors over 1.4m ■ Accommodates both single prototype and mass production *For more details, please refer to the PDF document or feel free to contact us.
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【Lineup】 ■Reflective Mirror ■Anti-Reflective Coating ■Light Absorbing Film ■Dichroic Mirror ■ND Filter ■Transparent Conductive Film ■Cold/Hot Mirror ■Beam Splitter *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Founded in 1953 in France as the Tribology Research Center, the H.E.F Group has developed numerous technologies related to surface treatment processing of materials, obtained patents, and sold licenses worldwide. Furthermore, in recent years, they have also developed surface treatment processes for resin housings and added electromagnetic shielding coating services to their lineup. They are expanding their business on a global scale. The H.E.F Group has both research and development and manufacturing facilities, allowing for customization to meet customer needs. The H.E.F Group places importance on establishing a presence close to clients and has many of its own factories around the world. In Japan, HEF DURFERRIT JAPAN Co., Ltd. collaborates with three domestic factories to meet the needs of Japanese customers.
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