PCB TERMINAL, CONNECTOR, WIRE HARNESS WITH CONNECTOR, AND BOARD UNIT

Title:

PCB TERMINAL, CONNECTOR, WIRE HARNESS WITH CONNECTOR, AND BOARD UNIT

Document Type and Number:

WIPO Patent Application WO/2021/193781

Kind Code:

A1

Abstract:

Provided is a PCB terminal including a rod-like base material and a plating layer covering a predetermined region of the base material, wherein the base material is composed of a copper alloy containing more than 20 mass% of zinc, the plating layer includes a first coating portion and a second coating portion, the first coating portion includes an entire-circumferential layer covering the entire circumference of the base material in a region on a first end side of both ends of the base material, the second coating portion covers a portion of the circumference of the base material in a region on a second end side of both ends of the base material, the entire-circumferential layer includes a tin-based layer and a barrier layer, the tin-based layer includes a pure tin layer constituting the outermost surface of the first coating portion, and the barrier layer is composed of pure nickel or a copper-tin alloy containing copper and tin.

Inventors:

KAMAMOTO MICHITAKE (JP)
FURUKAWA KINGO (JP)
SAKA YOSHIFUMI (JP)
WATANABE HAJIME (JP)

Application Number:

PCT/JP2021/012430

Publication Date:

September 30, 2021

Filing Date:

March 24, 2021

Export Citation:

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Assignee:

SUMITOMO WIRING SYSTEMS (JP)
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)

International Classes:

C25D5/50; C25D5/12; C25D7/00; H01R12/58; H01R13/03

Domestic Patent References:

WO2018221087A1

2018-12-06

Foreign References:

JPH05121142A	1993-05-18
JP2007231393A	2007-09-13
JPH01225781A	1989-09-08