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:
Apr. 18, 2023
Filed:
Oct. 21, 2020
Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;
Chih-Horng Chang, Taipei, TW;
Tin-Hao Kuo, Hsinchu, TW;
Chen-Shien Chen, Zhubei, TW;
Yen-Liang Lin, Taichung, TW;
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Abstract
The present disclosure relates to an integrated chip structure having a first copper pillar disposed over a metal pad of an interposer substrate. The first copper pillar has a sidewall defining a recess. A nickel layer is disposed over the first copper pillar and a solder layer is disposed over the first copper pillar and the nickel layer. The solder layer continuously extends from directly over the first copper pillar to within the recess. A second copper layer is disposed between the solder layer and a second substrate.