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.:
Date of Patent:
Nov. 23, 2021
Filed:
Sep. 24, 2018
Shenzhen Goodix Techology Co., Ltd., Guangdong, CN;
Shenzhen Goodix Technology Co., Ltd., Guangdong, CN;
Abstract
In semiconductor packaging technologies, a secondary packaging method of a TSV chip and a secondary package of a TSV chip are provided. The TSV chip has a forward surface and a counter surface that are opposite to each other, a BGA solder ball is disposed on the counter surface, and the secondary packaging method includes: placing at least one TSV chip on a base on which a stress relief film layer is laid; cladding the TSV chip via a softened molding compound; removing the base after the molding compound is cured, to obtain a secondary package of the TSV chip; and processing a surface of the secondary package to expose the BGA solder ball.