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. 09, 2025
Filed:
Jun. 14, 2022
Siliconware Precision Industries Co., Ltd., Taichung, TW;
Pei-Geng Weng, Taichung, TW;
Fang-Lin Tsai, Taichung, TW;
Wei-Son Tsai, Taichung, TW;
Yih-Jenn Jiang, Taichung, TW;
SILICONWARE PRECISION INDUSTRIES CO., LTD., Taichung, TW;
Abstract
A substrate structure is provided with a first electrical contact pad formed on an insulating layer of a substrate body, where the first electrical contact pad includes a first pad portion disposed on the insulating layer and at least one first protruding portion embedded in the insulating layer, so that the first pad portion is electrically connected to a circuit layer in the insulating layer by a conductive blind via, and the first protruding portion is free from being electrically connected to the circuit layer, such that, through a design of the first protruding portion, all surfaces of a metal layer formed on the insulating layer can meet the requirement of coplanarity.