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:
Sep. 11, 2018
Filed:
Apr. 17, 2015
Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;
Li-Yen Fang, Tainan, TW;
Chih-Chang Huang, Chiayi, TW;
Jung-Chih Tsao, Tainan, TW;
Yao-Hsiang Liang, Hsinchu, TW;
Yu-Ku Lin, Tainan, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu, TW;
Abstract
A semiconductor structure includes a substrate including a first side, a second side opposite to the first side, and a device layer over the second side, and a conductive via extending through the substrate, and including a first portion adjacent to the first side and a second portion adjacent to the device layer, wherein the conductive via includes an interface between the first portion and the second portion, an average grain size of the first portion is substantially different from an average grain size of the second portion.