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. 23, 2007
Filed:
Sep. 09, 2005
Kimihiro Maemura, Suwa, JP;
Hitoshi Kobayashi, Suwa, JP;
Tadatoshi Nakajima, Suwa, JP;
Satoru Kodaira, Chino, JP;
Kimihiro Maemura, Suwa, JP;
Hitoshi Kobayashi, Suwa, JP;
Tadatoshi Nakajima, Suwa, JP;
Satoru Kodaira, Chino, JP;
Seiko Epson Corporation, , JP;
Abstract
A semiconductor device includes: a semiconductor layer having a shading target region; a semiconductor element provided on the semiconductor layer in the shading target region; a first interlayer dielectric provided on the semiconductor element; a plurality of first shading layers provided on the first interlayer dielectric; a second interlayer dielectric provided on at least the first shading layers; and a second shading layer provided on the second interlayer dielectric and having a predetermined pattern. The second shading layer has such a pattern that the second shading layer is positioned at least between the adjacent first shading layers.