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:
Feb. 13, 2018

Filed:

Dec. 02, 2014
Applicant:

Asm Technology Singapore Pte Ltd, Singapore, SG;

Inventors:

Keng Yew Song, Singapore, SG;

Yi Bin Wang, Singapore, SG;

Qing Le Tan, Singapore, SG;

Lin Wei Zheng, Singapore, SG;

Jia Le Luo, Singapore, SG;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 20/10 (2006.01); B23K 31/12 (2006.01); G01N 19/04 (2006.01);
U.S. Cl.
CPC ...
B23K 20/10 (2013.01); B23K 31/125 (2013.01); G01N 19/04 (2013.01); H01L 2224/859 (2013.01);
Abstract

A method for pull testing a wire bond. The method including the steps of: (i) with a wire bonding tool, bonding an end of a wire to make a bond at a first location on a bonding surface having a conductive material, such that the bond completes an electrical circuit; (ii) clamping the wire with a wire clamp; (iii) pulling the wire with the wire clamp to apply a predetermined pulling force; (iv) detecting whether the electrical circuit is open; and (v) if the electrical circuit is open, determining that there has been a bond failure, and automatically incrementing a bond failure count.


Find Patent Forward Citations

Loading…