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:
Feb. 06, 2018

Filed:

Dec. 01, 2015
Applicant:

Altera Corporation, San Jose, CA (US);

Inventors:

Yan Cui, Milpitas, CA (US);

Queennie Suan Imm Lim, Santa Clara, CA (US);

Shuxian Chen, Fremont, CA (US);

Assignee:

Altera Corporation, San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 49/02 (2006.01); H01L 23/552 (2006.01);
U.S. Cl.
CPC ...
H01L 28/88 (2013.01); H01L 23/552 (2013.01);
Abstract

In one embodiment, a capacitor structure includes a substrate, a dielectric stack, a first conductor segment, a second conductor segment and a shielding conductor segment. The dielectric stack is formed on the substrate. A first layer of the dielectric stack includes a plurality of conductor segments routed only in a first direction. A first conductor segment among the multiple conductor segments may be biased to a first voltage. The second conductor segment among the multiple conductor segments may be biased to a second voltage. The shielding conductor segment may be biased to the second voltage and is formed at an end of the first conductor segment. In addition to that, the capacitances for the capacitor structure may be adjusted while the footprint of the capacitor structure is fixed.


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