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, 2006
Filed:
Nov. 25, 2002
Applicant:
Shoji Yo, Tokyo, JP;
Inventor:
Shoji Yo, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/8242 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing a semiconductor device including an electrode having a lower silicon layer and an upper silicon layer which is formed on the lower silicon layer. A concentration of impurities in the upper silicon layer is higher than a concentration of impurities in the lower silicon layer.
Yo, Shoji. (2006). Semiconductor memory device and manufacturing method thereof (U.S. Patent No. 7052955). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7052955
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile