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:
Nov. 16, 2021

Filed:

Mar. 25, 2020
Applicant:

Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;

Inventors:

Chih-Hang Chang, Taoyuan, TW;

I-Shi Wang, Sanxia Township, TW;

Jen-Hao Liu, Zhunan Township, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B81C 1/00 (2006.01); B81C 3/00 (2006.01);
U.S. Cl.
CPC ...
B81C 1/00238 (2013.01); B81C 1/00269 (2013.01); B81C 1/00888 (2013.01); B81C 3/005 (2013.01); B81C 2201/013 (2013.01); B81C 2201/0143 (2013.01); B81C 2201/0146 (2013.01); B81C 2203/035 (2013.01);
Abstract

A semiconductor device structure is provided. The semiconductor device structure includes a first wafer comprising a first face and a second face opposite the first face and having a plurality of predetermined die areas. A plurality of recesses are disposed in the first face of the first wafer. A first recess of the plurality of recesses extends in a direction substantially parallel to a first edge of at least one of the plurality of predetermined die areas and laterally surrounds the at least one of the plurality of predetermined die areas. A second wafer is bonded to the second face of the first wafer.


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