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, 2020
Filed:
Jul. 02, 2019
Applicant:
International Test Solutions, Inc., Reno, NV (US);
Inventors:
Alan E. Humphrey, Reno, NV (US);
Bret A. Humphrey, Reno, NV (US);
Jerry J. Broz, Longmont, CO (US);
Wayne C. Smith, Reno, NV (US);
Assignee:
International Test Solutions, Inc., Reno, NV (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 7/00 (2006.01); B65G 45/10 (2006.01); B65G 47/91 (2006.01); H01L 21/67 (2006.01);
U.S. Cl.
CPC ...
B08B 7/0028 (2013.01); B65G 45/10 (2013.01); B65G 47/91 (2013.01); H01L 21/67144 (2013.01);
Abstract
A device, mechanism, and methodology for regular and consistent cleaning of the vacuum aperture, nozzle, and contacting surfaces of a pick-and-place apparatus and the pick-up tools of automated or manual semiconductor device and die handling machines are disclosed. The cleaning material may include a cleaning pad layer with one or more intermediate layers that have predetermined characteristics, regular geometrical features, and/or an irregular surface morphology.