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:
Oct. 06, 1998
Filed:
May. 10, 1996
Applicant:
Inventors:
Assignee:
Verity Instruments Inc., Carrollton, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228102 ; 2281101 ; 228-11 ;
Abstract
The power supply may be operated during a given cycle sequentially to produce high and low frequency drive signals for operating an ultrasonic transducer for sequentially producing an ultrasonic output at the two frequencies to carry out bonding operations at two different bond sites respectively.