Title:
PRINTED WIRING BOARD
Document Type and Number:
Japanese Patent JP2022152556
Kind Code:
A
Abstract:
To provide a printed wiring board in which a through-hole conductor is hard to be disconnected.SOLUTION: A printed wiring board includes a laminate and a through-hole conductor. The laminate has a through hole penetrating from a first surface of the laminate to a second surface on the opposite side of the first surface. The through-hole conductor is located on the inner wall of the through-hole. The laminate is composed of a plate-like first portion and a plate-like second portion located on at least one of the first surface side and the second surface side of the first portion. In the through-hole conductor, the average thickness of the portion located in the second portion is larger than the average thickness of the portion located in the first portion.SELECTED DRAWING: Figure 1
Inventors:
KATO KATSUMUNE
Application Number:
JP2021055371A
Publication Date:
October 12, 2022
Filing Date:
March 29, 2021
Export Citation:
Assignee:
KYOCERA CORP
International Classes:
H05K3/46; H05K1/02; H05K1/11; H05K3/40
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune
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