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:
Feb. 16, 1999
Filed:
Mar. 26, 1997
Applicant:
Inventors:
Takashige Yoneda, Yokohama, JP;
Makoto Fukawa, Yokohama, JP;
Takeshi Morimoto, Yokohama, JP;
Kazuo Sato, Yokohama, JP;
Fumiaki Gunji, Yokohama, JP;
Hiromichi Nishimura, Yokohama, JP;
Satoshi Takeda, Yokohama, JP;
Yasuo Hayashi, Yokohama, JP;
Hiroyuki Fujita, Kanagawa, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; C03C / ;
U.S. Cl.
CPC ...
428337 ; 4283155 ; 428428 ; 427165 ;
Abstract
A laminate comprising a substrate and at least one layer formed on the substrate, in which the outermost layer as a surface layer has a plurality of micropores therein and, at its surface, a flat portion and fine craters, said flat portion having a surface roughness R.sub.a of at most 3 nm and an area ratio of at least 20%.