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:
Jul. 22, 2014
Filed:
Jun. 27, 2011
Applicants:
Motoo Asai, Ibi-gun, JP;
Dongdong Wang, Ibi-gun, JP;
Takahiro Mori, Ibi-gun, JP;
Inventors:
Assignee:
Ibiden Co., Ltd., Ogaki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01K 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a printed circuit board includes the following steps (A) to (D). (A) Laminating a resin insulating layer on each of two sides of a core member to form a core substrate, (B) forming penetrating openings in the core substrate by applying laser beams, (C) forming a rough surface on the core substrate, and (D) providing a metal film for each penetrating opening to form through holes.