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:
Feb. 13, 2001
Filed:
Aug. 27, 1999
Applicant:
Inventor:
Richard B. Vennerbeck, San Jose, CA (US);
Assignee:
Product Systems Incorporated, Campbell, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/108 ;
U.S. Cl.
CPC ...
H01L 4/108 ;
Abstract
A megasonic transducer comprised of a stainless steel plate attached to a piezoelectric crystal by an indium attachment layer. To facilitate the attachment, a chromium layer and a silver layer are positioned between the stainless steel plate and the indium layer. Similarly, silver and chromium layers are positioned between the indium layer and the piezoelectric crystal.
Vennerbeck, Richard. (2001). High power megasonic transducer (U.S. Patent No. 6188162). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6188162
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile