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Sumitomo Meta Mining Co., Ltd.

Sumitomo Meta Mining Co., Ltd. Patent applications
Patent application numberTitlePublished
20080254256Heat-resistant light-shading film and production method thereof, and diaphragm or light intensity adjusting device using the same - A heat-resistant light-shading film having high light shading capacity, high heat resistance, high sliding characteristics, low surface gloss and high electroconductivity, and useful for optical device parts such as shutter blades or diaphragm blades for diaphragm blades of lens shutter and the like for digital cameras and digital video cameras and diaphragm blades of light intensity adjusting device for projectors, and a method for producing the same.10-16-2008