Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alan E. Humphrey
Wayne C. Smith
Jerry J. Broz
Bret A. Humphrey
Date of Patent
September 12, 2023
Patent Application Number
16460929
Date Filed
July 2, 2019
Patent Citations
...
Patent Primary Examiner
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.
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