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:
Aug. 15, 2017

Filed:

Jan. 03, 2016
Applicant:

Powerchip Technology Corporation, Hsinchu, TW;

Inventors:

Shyng-Yeuan Che, Hsinchu County, TW;

Wen-Yi Wong, Kinmen County, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 49/02 (2006.01);
U.S. Cl.
CPC ...
H01L 28/60 (2013.01);
Abstract

A multi-layer, crown-shaped MIM capacitor includes a base having therein conductive region, an inter-metal dielectric (IMD) layer on the base, a capacitor trench penetrating through the IMD layer and exposing the conductive region, a capacitor lower electrode structure including a first electrode and a second electrode surrounded by the first electrode, a conductive supporting pedestal within the capacitor trench for fixing and electrically connecting the bottom portions of the first and second electrodes, a capacitor dielectric layer conformally lining the first and second electrodes and a top surface of the conductive supporting pedestal, and a capacitor upper electrode on the capacitor dielectric layer.


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