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:
Mar. 23, 1999
Filed:
Sep. 20, 1996
Applicant:
Inventors:
Michael Riley Vinson, Hume Park, SG;
Wei Ivy Qin, Montgomery, PA (US);
Lee Robert Levine, New Tripoli, PA (US);
Assignee:
Kulicke and Soffa Investments, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
228102 ; 2281101 ;
Abstract
The present invention includes a multi-frequency ultrasonic generator coupled to a multi-resonance frequency transducer capable of operating at a plurality of usable resonance frequencies. A controller is coupled to a power amplifier that drives the ultrasonic transducer and is capable of applying power, voltage or current profiles for each of the resonance frequencies to be used during a bonding operation independent of the others.