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.

Date of Patent:
Jul. 02, 2024

Filed:

Nov. 20, 2023
Applicant:

Shanghai Wonsung Alloy Material Co., Ltd., Shanghai, CN;

Inventors:

Shi Liu, Shanghai, CN;

Yi Liu, Shanghai, CN;

Baichuan Liu, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/52 (2006.01); C25D 3/48 (2006.01); C25D 5/10 (2006.01); C25D 5/48 (2006.01); C25D 7/06 (2006.01);
U.S. Cl.
CPC ...
C25D 5/10 (2013.01); C25D 3/48 (2013.01); C25D 3/52 (2013.01); C25D 5/48 (2013.01); C25D 7/0607 (2013.01);
Abstract

The present application relates to the technical field of electroplating, and particularly to a bonding copper wire plated with palladium and gold and an electroplating process thereof. The electroplating process includes: electroplating a first palladium layer on a surface of a copper wire with a first palladium plating solution, electroplating a second gold layer with a first gold plating solution to obtain a semi-finished product, electroplating a third palladium layer onto the semi-finished product with a second palladium plating solution, and electroplating a fourth gold layer with a second gold plating solution to obtain a finished product; and the first palladium plating solution comprises tetraamminepalladium acetate, 4-sulfamoylbenzoic acid and 6-azauracil.


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