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:
Aug. 11, 1987
Filed:
Jan. 31, 1986
Applicant:
Inventors:
Kiyoshi Kuribayashi, Hirakata, JP;
Masayuki Sakai, Osaka, JP;
Hideto Monji, Katano, JP;
Masaki Aoki, Mino, JP;
Hideyuki Okinaka, Toyonaka, JP;
Hideo Torii, Higashiosaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65 26 ; 6537411 ; 6537412 ; 65 36 ; 249116 ;
Abstract
A glass optical element is directly press-molded by a method using a noble mold. The mold comprises a base material and a press surface film formed on the base material. The press surface film is an Ir film, or a Ru film, or an alloy film comprising Ir and at least a member selected from the group consisting of Pt, Re, Os, Rh and Ru, or an alloy film comprising Ru and at least a member selected from the group consisting of Pt, Re, Os and Rh.