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:
Apr. 27, 2004
Filed:
Jan. 28, 2002
Applicant:
Inventors:
Tadahiro Ohmi, Sendai-shi, Miyagi-ken, JP;
Kazuyuki Harada, Kawasaki-shi, Kanagawa-ken, JP;
Nobuyoshi Tanaka, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 1/434 ; B05D 5/06 ; B05D 1/36 ; B05D 7/00 ;
U.S. Cl.
CPC ...
C23C 1/434 ; B05D 5/06 ; B05D 1/36 ; B05D 7/00 ;
Abstract
A process for producing an optical article includes laminating a first optically transparent thin layer and a second optically transparent thin layer having a higher refractive index than that of the first optically transparent thin layer on a surface of a substrate. At least one of the first and second optically transparent thin layers is deposited by sputtering using a sputtering gas comprising atoms of at least one selected from the group consisting of krypton, xenon and radon.