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.

Date of Patent:
Mar. 27, 2007

Filed:

Jul. 13, 2004
Applicants:

Wayne Thomas Mcdermott, Fogelsville, PA (US);

Gene Everad Parris, Coopersburg, PA (US);

Dean Van-john Roth, Center Valley, PA (US);

Hoshang Subawalla, Macungie, PA (US);

Inventors:

Wayne Thomas McDermott, Fogelsville, PA (US);

Gene Everad Parris, Coopersburg, PA (US);

Dean Van-John Roth, Center Valley, PA (US);

Hoshang Subawalla, Macungie, PA (US);

Assignee:

Air Products and Chemicals, Inc., Allentown, PA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23G 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Method for removing flux residue and defluxing residue from an article using a dense processing fluid and a dense rinse fluid is disclosed herein. In one embodiment, there is provided a method comprising: introducing the article comprising contaminants into a processing chamber; contacting the article with a dense processing fluid comprising a dense fluid, at least one processing agent, and optionally a cosolvent to provide a partially treated article; and contacting the partially treated article with a dense rinse fluid comprising the dense fluid and optionally the cosolvent to provide a treated article wherein an agitation source is introducing during at least a portion of the first and/or the second contacting step.


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