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:
Sep. 20, 2022
Filed:
Nov. 17, 2020
Applicant:
Socionext Inc., Kanagawa, JP;
Inventor:
Shinichi Moriwaki, Yokohama, JP;
Assignee:
SOCIONEXT INC., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/112 (2006.01); H01L 23/528 (2006.01); H01L 27/092 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
H01L 27/11273 (2013.01); H01L 23/5286 (2013.01); H01L 27/0928 (2013.01); H01L 29/7827 (2013.01);
Abstract
In a ROM cell using a vertical nanowire (VNW) FET, the gate of the VNW FET is connected with a word line (WL), the bottom thereof is connected with a bit line (BL), and the top thereof is selectively connected with a ground potential line. The bottom of the VNW FET of the ROM cell is connected to the bit line (BL) irrespective of the data stored in the ROM cell.