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. 08, 2005
Filed:
Oct. 09, 2003
Applicant:
Takeshi Ashida, Matsumoto, JP;
Inventor:
Takeshi Ashida, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L023/48 ;
U.S. Cl.
CPC ...
Abstract
The present invention provides a circuit board including a plurality of pads for mounting a semiconductor device with bumps and a plurality of wires drawn from the respective pads, a mounting structure for the semiconductor device with bumps, and an electro-optic device and an electronic device. The circuit board has a region where the pitch in the longitudinal direction and the lateral direction of the plurality of pads are different from each other and the wires are preferentially drawn from a wider pitch side of the longitudinal direction or the lateral directions of the pads.