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:
Nov. 04, 2014
Filed:
Mar. 18, 2013
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Claudius Feger, Poughkeepsie, NY (US);
Peter A. Gruber, Mohegan Lake, NY (US);
Mark H. McLeod, Poughkeepsie, NY (US);
Jae-Woong Nah, New York, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23K 37/00 (2006.01); B22C 9/22 (2006.01); B22C 9/06 (2006.01); B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
B22C 9/22 (2013.01); B22C 9/065 (2013.01);
Abstract
A process and tools for forming spherical metal balls is described incorporating molds, injection molded solder, a liquid or gaseous environment to reduce or remove metal oxides and an unconstrained reflow of metal in a heated liquid or gas and solidification of molten metal in a cooler liquid or gas.