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.
Patent No.:
Date of Patent:
Apr. 28, 2015
Filed:
Dec. 21, 2007
Applicants:
Ivy Wei Qin, Lansdale, PA (US);
John D. Molnar, Ambler, PA (US);
Thomas J. Colosimo, Jr., Cheltenham, PA (US);
Inventors:
Ivy Wei Qin, Lansdale, PA (US);
John D. Molnar, Ambler, PA (US);
Thomas J. Colosimo, Jr., Cheltenham, PA (US);
Assignee:
Kulicke & Soffa Industries, Inc., Fort Washington, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 29/30 (2006.01); B06B 1/02 (2006.01);
U.S. Cl.
CPC ...
B06B 1/0223 (2013.01);
Abstract
A method of calibrating a voltage for use with an ultrasonic transducer of a wire bonding machine in a constant voltage mode is provided. The method includes: (1) determining an impedance value associated with operation of the ultrasonic transducer; and (2) establishing an adjusted voltage level for use with the ultrasonic transducer in the constant voltage mode based on the determined impedance value.