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:
Aug. 17, 2004
Filed:
Sep. 10, 2001
Chun Christine Dong, Macungie, PA (US);
Wayne Thomas McDermott, Fogelsville, PA (US);
Richard E. Patrick, Tamaqua, PA (US);
Brenda F. Ross, Whitehall, PA (US);
Air Products and Chemicals, Inc., Allentown, PA (US);
Abstract
A method of dry fluxing metal surfaces of one or more components to be soldered, comprising the steps of: a) providing one or more components to be soldered which are connected to a first electrode as a target assembly; b) providing a second electrode adjacent the target assembly; c) providing a gas mixture comprising a reducing gas between the first and second electrodes; d) providing a direct current (DC) voltage to the first and second electrodes and donating electrons to the reducing gas to form negatively charged ionic reducing gas; e) contacting the target assembly with the negatively charged ionic reducing gas and reducing oxides on the target assembly.