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:
Aug. 03, 2021
Filed:
Jan. 03, 2018
Phoenix Pioneer Technology Co., Ltd., Hsinchu County, TW;
Che-Wei Hsu, Hsinchu County, TW;
Shih-Ping Hsu, Hsinchu County, TW;
PHOENIX PIONEER TECHNOLOGY CO., LTD., Hsinchu County, TW;
Abstract
This disclosure provides a package substrate, a flip-chip package circuit, and their fabrication methods. The package substrate includes: a first wiring layer having a first dielectric material layer and a first metal wire protruding from the first dielectric material layer; a conductive pillar layer formed on the first wiring layer and including a molding compound layer, a second dielectric material layer formed on the molding compound layer, and a metal pillar connected to the first metal wire; a second wiring layer formed on the conductive pillar layer and including a second metal wire connected to the metal pillar; and a protection layer formed on the second wiring layer.