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:
May. 30, 2000
Filed:
Jan. 22, 1998
Yoichi Ohtsuka, Kanagawa, JP;
Atsushi Asai, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
In a solid state imaging device having light receiving sections arranged in horizontal and vertical directions with different pitches, an on-chip micro-lens having a focusing efficiency optimized in both horizontal and vertical directions is formed. The solid state imaging device comprises a plurality of light receiving sections (42) arranged in horizontal and vertical directions with different pitches, a foundation layer (47) formed over the light receiving sections (42) and having convex portions on portions between the light receiving sections (42) in a fine pitch direction and having concave portions at least along a straight line connecting centers of the light receiving sections in a coarse pitch direction, and a plurality of lenses (48) formed on the concave portions so as to at least partially overlap on the convex portions in correspondence with the light receiving sections (42).