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. 03, 2020
Filed:
Sep. 21, 2017
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Hsin-Pang Lu, Hsinchu County, TW;
Chi-Hsiu Hsu, Hsinchu County, TW;
Chung-Hao Chen, Taoyuan, TW;
Ya-Nan Mou, Hsinchu, TW;
Chung-Cheng Tsai, Taichung, TW;
Assignee:
UNITED MICROELECTRONICS CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/24 (2006.01); G11C 7/18 (2006.01); H01L 27/112 (2006.01); H01L 27/02 (2006.01); G11C 17/12 (2006.01); G06F 17/50 (2006.01); G11C 7/02 (2006.01);
U.S. Cl.
CPC ...
G11C 16/24 (2013.01); G06F 17/5068 (2013.01); G11C 7/02 (2013.01); G11C 7/18 (2013.01); G11C 17/126 (2013.01); H01L 27/0207 (2013.01); H01L 27/11226 (2013.01);
Abstract
A read only memory (ROM) is provided in the present invention, which includes a plurality of bit lines extending in a first direction, a plurality of source lines extending in parallel to the plurality of bit lines, and a plurality of word lines extending in a second direction perpendicular to the first direction. Each two ROM cells share an active area and are electrically coupled to one of the plurality of source lines by a common source line contact.