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:
Jan. 09, 2024
Filed:
Sep. 29, 2021
Ibiden Co., Ltd., Gifu, JP;
Yasuki Kimishima, Ogaki, JP;
Satoru Kawai, Ogaki, JP;
IBIDEN CO., LTD., Ogaki, JP;
Abstract
A wiring substrate includes an insulating layer having a through hole, a first conductor layer formed on a first surface of the insulating layer, a second conductor layer formed on a second surface of the insulating layer, an interlayer connection conductor formed in the through hole such that the interlayer connection conductor is connecting the first and second conductor layers, and a resin body formed in the through hole of the insulating layer such that a volume occupancy rate of the resin body is in a range of 30% to 55% in the through hole. The interlayer connection conductor is formed such that the interlayer connection conductor has a length in a range of 1000 μm to 2000 μm in a thickness direction of the insulating layer and that a volume occupancy rate of the interlayer connection conductor is in a range of 45% to 70% in the through hole.