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. 24, 2009
Filed:
Sep. 08, 2004
Applicant:
J. Michael Goodson, Skillman, NJ (US);
Inventor:
J. Michael Goodson, Skillman, NJ (US);
Assignee:
The Crest Group, Inc., Trenton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ultrasonic cleaning system includes a tank composed of quartz or silicon carbide and one or more sleeved ultrasonic transducers mounted to the tank. The sleeved ultrasonic transducer has a two-part head mass, including a threaded sleeve and an outer housing that are composed of different materials. The threaded sleeve is preferably a metal that provides superior thread strength for mating with a compression bolt, while the outer housing is preferably silicon carbide or other ceramic material that provides a good thermal expansion match to the tank to facilitate adhesive bonding of the transducer to the tank.