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.

Date of Patent:
Oct. 29, 2002

Filed:

Aug. 11, 2000
Applicant:
Inventors:

Robert G. McKenna, Houston, TX (US);

R. Scott Croff, Allen, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G32B 3/500 ; H01L 2/146 ;
U.S. Cl.
CPC ...
G32B 3/500 ; H01L 2/146 ;
Abstract

A method and apparatus ( ) for securing a fragile wafer ( ) to a wafer tape ( ) secured taut across a wafer frame ( ). A gentle point force ( ) is provided by a roller wheel ( ) mounted on a rotatable arm ( ) to securely adhere the wafer tape ( ) to the backside of the wafer ( ). Preferably, a spiral pattern ( ) is formed by the rotating roller ( ) to secure the wafer tape ( ) to the wafer ( ) to avoid forming air bubbles or creases between the wafer tape and wafer. The method and apparatus is especially suitable for securely adhering fragile wafers to wafer tape that are to be subsequently broken along kerfs.


Find Patent Forward Citations

McKenna, Robert. (2002). Method of adhering a wafer to wafer tape (U.S. Patent No. 6471806). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6471806

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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