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:
Feb. 19, 2013
Filed:
Sep. 21, 2009
Hsien-chieh Lin, Taoyuan, TW;
Hsien-Chieh Lin, Taoyuan, TW;
Nan Ya PCB Corp., Taoyuan County, TW;
Abstract
The invention provides a printed circuit board and method for fabricating the same. The printed circuit board includes a substrate having an internal circuit structure. An additional circuit structure is disposed on the substrate, electrically connected to the internal circuit structure. A solder mask insulating layer having an opening is disposed on the additional circuit structure. A conductive bump pattern is disposed in the solder mask insulating layer, wherein the conductive bump pattern extends into the opening horizontally, wherein a side, a portion of an upper surface and a portion of a lower surface of the conductive bump pattern are exposed from the opening. A solder ball is formed in the opening, wherein the solder ball is electrically connected to the additional circuit structure.