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:
Oct. 17, 2023

Filed:

Dec. 12, 2018
Applicant:

Heraeus Materials Singapore Pte. Ltd., Singapore, SG;

Inventors:

Yean Mee Pun, Singapore, SG;

Murali Sarangapani, Singapore, SG;

Xi Zhang, Singapore, SG;

Il Tae Kang, Incheon, KR;

Abito Danila Bayaras, Singapore, SG;

Kim Hui Chong, Singapore, SG;

Sylvia Sutiono, Singapore, SG;

Chee Wei Tok, Singapore, SG;

Tae Yeop James Kim, Gyeonggi-Do, SG;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/00 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 24/85 (2013.01); B23K 20/005 (2013.01); H01L 24/45 (2013.01); H01L 2224/45015 (2013.01); H01L 2224/45139 (2013.01); H01L 2224/45572 (2013.01); H01L 2224/45644 (2013.01); H01L 2224/45655 (2013.01); H01L 2224/45664 (2013.01); H01L 2224/85181 (2013.01); H01L 2224/85205 (2013.01);
Abstract

A process for electrically connecting contact surfaces of electronic components by capillary wedge bonding a round wire of 8 to 80 μm to the contact surface of a first electronic component, forming a wire loop, and stitch bonding the wire to the contact surface of a second electronic component, wherein the wire comprises a wire core having a silver or silver-based wire core with a double-layered coating comprised of a 1 to 50 nm thick inner layer of nickel or palladium and an adjacent 5 to 200 nm thick outer layer of gold.


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