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:
Dec. 09, 1997
Filed:
May. 15, 1996
Applicant:
Inventors:
Robert Alvarez, Garland, TX (US);
Anthony M Chiu, Richardson, TX (US);
Jay Alexander, N. Attleboro, MA (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
437207 ; 437220 ;
Abstract
A lead frame design and manufacturing process comprising a lead frame (18) having its internal lead fingers (20) punched out to dimensions optimized to accommodate the body size of a selected die. A die pad (30), also optimized to accommodate the body size of the selected die, is attached to the lead frame with mechanical or chemical bonding. Punches are used to punch out the internal lead pins according to selected dimensions.