Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Takahashi0
Date of Patent
June 29, 2010
0Patent Application Number
113473620
Date Filed
February 6, 2006
0Patent Primary Examiner
Patent abstract
A plurality of optical members (lenses) for use in ultraviolet region are mutually stuck. A fluorine-based organic compound (for example, fluorine-based oil) is provided between them. The periphery of the optical members is sealed with a sealant. As the sealant, an adhesive fluorine resin, for example, a soluble fluorine resin is used.
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