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:
Oct. 19, 1993
Filed:
Jan. 14, 1993
Applicant:
Inventors:
Minoru Inami, Hachiooji, JP;
Satoshi Noda, Akishima, JP;
Morinao Fukuoka, Hachiooji, JP;
Yuko Kurasawa, Hachiooji, JP;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65-311 ; 65-315 ; 65 181 ; 65 183 ; 65 31 ; 65901 ; 501 12 ;
Abstract
A method of manufacturing distributed index optical elements is disclosed. The method comprises a step of preparing silica sol including at least one of metal dopants, a step of dipping, after subjecting the silica sol to a gelling treatment, the silica gel in an elute into which a part of metal constituents other than silicon including in the gel is selectively eluted, and a step of drying and sintering the silica gel.
Inami, Minoru. (1993). Method of manufacturing distributed index optical elements (U.S. Patent No. 5254148). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5254148
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile