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. 25, 2020

Filed:

Apr. 06, 2019
Applicant:

Xidian University, Xi'an, CN;

Inventors:

Xuefeng Zheng, Xi'an, CN;

Xiaohua Ma, Xi'an, CN;

Yue Hao, Xi'an, CN;

Shuaishuai Dong, Xi'an, CN;

Peng Ji, Xi'an, CN;

Yingzhe Wang, Xi'an, CN;

Zhenling Tang, Xi'an, CN;

Chong Wang, Xi'an, CN;

Shihui Wang, Xi'an, CN;

Assignee:

XIDIAN UNIVERSITY, Xi'an, CN;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/28 (2006.01); H01L 21/66 (2006.01); H01L 21/283 (2006.01); H01L 21/265 (2006.01); H01L 21/324 (2006.01); H01L 29/40 (2006.01); H01L 29/66 (2006.01); G01R 27/20 (2006.01); H01L 29/417 (2006.01); H01L 29/778 (2006.01);
U.S. Cl.
CPC ...
H01L 22/14 (2013.01); G01R 27/205 (2013.01); H01L 21/26546 (2013.01); H01L 21/283 (2013.01); H01L 21/3245 (2013.01); H01L 22/34 (2013.01); H01L 29/401 (2013.01); H01L 29/41758 (2013.01); H01L 29/66462 (2013.01); H01L 29/778 (2013.01);
Abstract

The present disclosure provides a method for characterizing ohmic contact electrode performance of a semiconductor device. The method comprises: preparing two sets of testing patterns on a semiconductor device; testing resistance values of the two sets of testing patterns respectively; calculating a sheet resistance of an ohmic contact area according to the obtained resistance values; and evaluating the ohmic contact electrode performance of the semiconductor device according to the sheet resistance of the ohmic contact electrode.


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