The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 1992
Filed:
Jul. 31, 1991
Applicant:
Inventors:
Takafumi Uemiya, Osaka, JP;
Naota Uenishi, Osaka, JP;
Akira Mizoguchi, Osaka, JP;
Yasuzi Ohgaki, Osaka, JP;
Yasuhiro Hattori, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; H03F / ; C30B / ; B05D / ;
U.S. Cl.
CPC ...
385122 ; 385123 ; 385141 ; 385143 ; 359326 ; 359332 ; 156600 ; 156608 ; 427163 ; 427201 ;
Abstract
A method of coating the ends of a fiber wavelength-conversion element with a macromolecular film. This serves to protect the crystal core and change in quality without changing the state of the core end surface.