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:
Apr. 23, 2019
Filed:
Aug. 22, 2017
Ibiden Co., Ltd., Ogaki, JP;
IBIDEN CO., LTD., Ogaki, JP;
Abstract
A printed wiring board includes a support plate, a laminate formed on the support plate and including first conductor pads on first surface side of the laminate and first via conductors on second surface side of the laminate, and a solder resist layer interposed between the plate and the laminate and having openings formed such that the openings are exposing the first pads. The laminate has first surface on the first surface side and second surface on the second surface side on the opposite side and includes a first resin insulating layer forming the second surface of the laminate, and the first conductors are formed through the first insulating layer such that the first vias are tapering from the first surface side toward the second surface side of the laminate and have end surfaces recessed from the second surface of the laminate on the second surface side of the laminate.