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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.

Patent No.:

US 11056445 B1

PDFFull Text
Date of Patent:
Jul. 06, 2021

Filed:

Dec. 31, 2019

Package structure with buffer layer sandwiched between encapsulation layer and semiconductor substrate

Applicant:

Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;

Inventors:

Hsiao-Wen Lee, Hsinchu, TW;

Hsien-Wen Liu, Hsinchu, TW;

Shin-Puu Jeng, Hsinchu, TW;

Assignee:

Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Ismail A Muse

Int. Cl.
CPC ...
H01L 23/495 (2006.01); H01L 23/00 (2006.01); H01L 23/538 (2006.01); H01L 23/31 (2006.01); H01L 21/304 (2006.01); H01L 21/56 (2006.01); H01L 21/683 (2006.01); H01L 21/78 (2006.01); H01L 21/02 (2006.01); H01L 21/48 (2006.01); H01L 23/498 (2006.01);
U.S. Cl.
CPC ...
H01L 23/562 (2013.01); H01L 21/0223 (2013.01); H01L 21/3043 (2013.01); H01L 21/48 (2013.01); H01L 21/4853 (2013.01); H01L 21/4857 (2013.01); H01L 21/56 (2013.01); H01L 21/561 (2013.01); H01L 21/565 (2013.01); H01L 21/6835 (2013.01); H01L 21/78 (2013.01); H01L 23/3135 (2013.01); H01L 23/3178 (2013.01); H01L 23/3192 (2013.01); H01L 23/5383 (2013.01); H01L 23/5386 (2013.01); H01L 23/5389 (2013.01); H01L 24/18 (2013.01); H01L 21/486 (2013.01); H01L 21/568 (2013.01); H01L 23/3128 (2013.01); H01L 23/49816 (2013.01); H01L 23/5384 (2013.01); H01L 2221/6834 (2013.01); H01L 2221/68318 (2013.01); H01L 2221/68327 (2013.01); H01L 2221/68359 (2013.01); H01L 2221/68372 (2013.01); H01L 2221/68381 (2013.01); H01L 2224/118 (2013.01);
Abstract

Package structures are provided. A package structure includes an adhesive layer and a semiconductor substrate over the adhesive layer. The package structure also includes a connector over the semiconductor substrate. The package structure further includes a first buffer layer surrounding the connector. In addition, the package structure includes an encapsulation layer surrounding the first buffer layer. The first buffer layer is sandwiched between the encapsulation layer and the semiconductor substrate, and a sidewall of the encapsulation layer is in direct contact with a sidewall of the first buffer layer and a sidewall of the adhesive layer. The package structure also includes a redistribution layer over the first buffer layer and the encapsulation layer.

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