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. 11, 1978
Filed:
Oct. 04, 1976
Applicant:
Inventors:
Horace Pops, Fort Wayne, IN (US);
Barry C Johnson, Pittsburgh, PA (US);
Assignee:
Essex Group, Fort Wayne, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148 / ;
Abstract
A method for making an integrated circuit package includes the steps of fabricating lead frames from a copper-zinc-silicon beta brass alloy and soldering the leads thereof to semi-conductor chips by use of the shape memory and reverse shape memory characteristic of the alloy. The composition of the lead frame material and the choice and sequence of fabrication steps may be varied.