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:
Jul. 02, 2002
Filed:
May. 19, 2000
Applicant:
Inventor:
David B. Blair, Blue Ridge, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B 1/00 ;
U.S. Cl.
CPC ...
B24B 1/00 ;
Abstract
A dicing saw blade assembly with parallel blades separated by a spacer and attached to a single spindle on an automated dicing saw, is applicable to precisely separating CSP or MCM devices which have been fabricated on a polymeric substrate. Two parallel cuts are made simultaneously in the scribe streets of the substrate to separate the flip chip devices. The substrates are diced from the bottom side, thereby allowing use of thin blades for separating devices having relatively thick chips, as well as chips with attached heat spreaders.