Patent · US Active

Coating electronic component

US10392704B2 · kind B2 · utility

0Cited by

2References

12Claims

0Family size

Assignee

TDK CORPORATION · JP

Inventors

Kenichi Yoshida · Osaka, JP
Yuhei Horikawa · Tokyo, JP
Atsushi Sato · Tochigi, JP
Hisayuki Abe · Tokyo, JP

Key dates

Filing date	Jan 25, 2017
Grant date	Aug 27, 2019
Priority date	—
Expiry date	Jan 25, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2924/01015
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A method of providing a coating on a conductor. The coating has a first layer containing palladium and a second layer containing gold from the conductor side. The first layer has an inner layer on the conductor side and an outer layer arranged nearer to the second layer than the inner layer, and the outer layer has a higher phosphorus concentration than the inner layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.