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, 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 multi-layer printed circuit board includes the following steps (A) and (B). (A) Providing penetrating openings which are formed into through holes and each of which has a small diameter for a core substrate, and (B) providing penetrating openings which are formed into through holes each having a large diameter for the core substrate.