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:
Mar. 25, 1997
Filed:
Aug. 02, 1995
Chul H Park, Chungcheongbuk-do, KR;
Kwang B Song, Seoul, KR;
LG Semicon Co., Ltd., Chungcheongbuk-do, KR;
Abstract
A charge coupled device image sensor which can prevent smear and improve sensitivity, including a substrate of a first conductive type, a first well of a second conductive type formed on one side of said substrate, a second well of the second conductive type formed on the other side of said substrate, a pair of photo-detecting areas formed adjoining in said first well, a pair of charge transfer areas formed close to each photo-detecting area and adjoining in said second well, a channel stop area formed between said adjoining photo-detecting areas and said charge transfer areas and for isolating each of the areas,.respectively, high-density impurities areas of the second conductive type being formed on the upper surface of said photo-detecting area, a gate insulation film formed on the whole substrate, a pair of transfer gates formed on said gate insulation film at the upper side of each charge transfer area, a insulation film for encompassing said transfer gate and being formed on said gate insulation film except said pair of photo-detecting areas, a light-shading film formed on said insulation film except said pair of photo-detecting areas, a leveling substrate formed on the whole substrate, and, a micro lens formed said leveling substrate at the upper side of said pair of photo-detecting areas.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile