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:
Dec. 26, 2000
Filed:
Mar. 27, 2000
Applicant:
Inventors:
Paul Joseph Hart, Endicott, NY (US);
Vittorio Sirtori, Milan, IT;
Sergio Varinelli, Vedano al Lambro, IT;
Marino Verderio, Ciserano, IT;
Franco Zambon, Milan, IT;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134-2 ; 134 2217 ; 134 2219 ; 134 254 ; 134 34 ; 134 36 ; 134 40 ; 134 42 ; 134-3 ; 134 41 ; 510175 ; 510245 ; 510254 ; 510365 ; 510407 ;
Abstract
A method for removing thermal grease from an electronic card having plated via holes and including electronic components thereon, the method including the steps of providing a substantially water free solution having an alcohol and at least one compound of a neutral ammonium salt of an organic acid and immersing the electronic card in the solution for a predetermined period of time remove the thermal grease from the electronic card.