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:
Jun. 21, 2022

Filed:

Dec. 16, 2020
Applicant:

Winbond Electronics Corp., Taichung, TW;

Inventors:

Chi-Hung Chan, Taichung, TW;

Chun-Chiao Tseng, Taichung, TW;

Hung-Ming Su, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/02 (2006.01); H01L 21/66 (2006.01); H01L 27/108 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0207 (2013.01); H01L 22/12 (2013.01); H01L 27/10814 (2013.01); H01L 27/10823 (2013.01);
Abstract

A layout for measuring an overlapping state includes a layout region, a first dummy active area region, and dummy component regions. The first dummy active area region is located in the layout region. The dummy component regions are stacked in the layout region. At the moment when one of the dummy component regions is formed on the first dummy active area region, the one of the dummy component regions and the first dummy active area region have a first overlapping region, and the first overlapping region does not include other dummy component regions among the dummy component regions.


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