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:
Oct. 30, 2018
Filed:
Nov. 15, 2016
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Zhibiao Zhou, Singapore, SG;
Shao-Hui Wu, Singapore, SG;
Chi-Fa Ku, Kaohsiung, TW;
Chen-Bin Lin, Taipei, TW;
Assignee:
UNITED MICROELECTRONICS CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 49/02 (2006.01); H01G 11/24 (2013.01);
U.S. Cl.
CPC ...
H01L 28/91 (2013.01);
Abstract
A capacitor includes: a bottom electrode; a middle electrode on the bottom electrode; a top electrode on the middle electrode; a first dielectric layer between the bottom electrode and the middle electrode; and a second dielectric layer between the middle electrode and the top electrode. Preferably, the second dielectric layer is disposed on at least a sidewall of the middle electrode to physically contact the first dielectrically, and the middle electrode includes a H-shape.