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:
Jun. 10, 2008
Filed:
May. 04, 2005
Hung-nan Chen, Kaohsiung, TW;
Jen-kuang Fang, Pingtung, TW;
Kuang-lin Lo, Kaohsiung, TW;
Advanced Semiconductor Engineering Inc., Kaohsiung, TW;
Abstract
A fabrication method for PCBs. The method includes providing a substrate having a layout area and a periphery area around the layout area on a surface, forming a patterned wiring layer, having a bus line in the periphery area, a plurality of pads in the layout area, a plurality of bridge lines providing electrical connection between the pads, and a plating line electrically connecting the bus line and pads, overlying the substrate, forming a patterned solder mask over the substrate and wiring layer, the patterned solder mask having a plurality of first openings respectively exposing the pads and plating a metal layer respectively overlying the pads, forming a plurality of second openings respectively exposing the bridge lines between the pads, and removing the exposed bridge lines.