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:
Jun. 01, 2021
Filed:
May. 21, 2019
Applicant:
United Microelectronics Corp., Hsinchu, TW;
Inventors:
Assignee:
UNITED MICROELECTRONICS CORP., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/24 (2006.01); H01L 45/00 (2006.01);
U.S. Cl.
CPC ...
H01L 27/2463 (2013.01); H01L 27/2436 (2013.01); H01L 45/16 (2013.01); H01L 45/06 (2013.01); H01L 45/08 (2013.01); H01L 45/1233 (2013.01); H01L 45/1253 (2013.01);
Abstract
A structure of memory device is provided. The structure of memory device includes a transistor formed on a substrate. A contact structure is disposed on a source/drain region of the transistor. A conductive layer is disposed on the contact structure. Four memory structures is disposed on the conductive layer to form a quadrilateral structure.