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. 15, 1983
Filed:
Sep. 12, 1980
Applicant:
Inventors:
Yasunobu Kosa, Kodaira, JP;
Kazuhiro Komori, Kodaira, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
29571 ; 2957 / ; 2957 / ; 148187 ;
Abstract
A semiconductor integrated circuit device, especially an EPROM (Electrically Programmable Read Only Memory) device which consists of an MIS type memory transistor portion having a floating gate electrode and a control gate electrode on said floating gate electrode, and of an MIS type transistor portion having a gate electrode is formed by patterning the same conductor layer as the floating gate electrode in the periphery of said MIS type memory transistor portion.
Kosa, Yasunobu. (1983). Method of manufacturing a semiconductor integrated circuit device (U.S. Patent No. 4373249). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4373249
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile