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:
May. 31, 1988
Filed:
Apr. 28, 1986
Lewis D Lipschutz, Poughkeepsie, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An apparatus for reflowing solder terminals that join an electronic element to a support substrate, which apparatus includes (1) a stage for supporting the substrate, (2) a quantity of liquid capable of being heated to a temperature in excess of the melting point of the solder of the solder terminals, (3) a means to contact a surface of the substrate with the liquid, including a reservoir for maintaining the liquid, and a pumping means to move the liquid from the reservoir into contact with the surface of the substrate, and (4) a means to control the temperature of the liquid when in contact with the substrate to initially increase the temperature of the liquid, and subsequently reduce the temperature of the liquid.