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.

Date of Patent:
Nov. 20, 2018

Filed:

May. 08, 2017
Applicant:

United Microelectronics Corp., Hsin-Chu, TW;

Inventors:

Chien-Hung Chen, Taipei, TW;

Meng-Ping Chuang, Hsinchu, TW;

Tong-Yu Chen, Hsinchu, TW;

Yu-Tse Kuo, Tainan, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 5/02 (2006.01); G11C 11/412 (2006.01); H01L 27/11 (2006.01);
U.S. Cl.
CPC ...
G11C 5/025 (2013.01); G11C 11/412 (2013.01); H01L 27/11 (2013.01); H01L 27/1104 (2013.01);
Abstract

A semiconductor memory device including a memory cell having a plurality of memory cells, a first P-type well region, a second P-type well region, and an N-type well region disposed between the first P-Type well region and the second P-type well region. The semiconductor memory element defines a plurality of first regions and a plurality of second regions, each of the first regions and each of the second regions including one of the memory cells, each of the second regions further includes at least two first voltage providing contacts, and at least one second voltage providing contact, wherein the first voltage providing contacts and the second voltage providing contact are not located within each first region.


Find Patent Forward Citations

Loading…