1
Anthony E Winston, Steven E Dunn, Francis R Cala, Alfredo Vinci, M Stephen Lajoie, Robert C Jorgensen: Aqueous cleaning concentrates. Charles B Barris, Charles B Barris, July 11, 1995: US05431847 (31 worldwide citation)

The present invention is directed to aqueous cleaning concentrates such as for cleaning electronic circuit assemblies comprising 15-30 wt. % of a composition containing alkaline salt, an alkali metal silicate to boost detersive action or to provide corrosion protection to the substrates which are cl ...


2
Politycki Alfred, Stoeger Wolfgang: Method of coating plastic films with metal. Seimens Aktiengesellschaft, October 23, 1973: US3767538 (28 worldwide citation)

A method of coating a polyester or polyimide film with a metal whereby the film surfaces to be coated are at first cleansed, degreased and roughened, as by the use of chemical agents and are then heated at temperatures of about 60.degree. to 150.degree. C. for a period of time sufficient to expel an ...


3
James K Skilling: Method of and apparatus for testing electronic circuit assemblies and the like. GenRad, Rines & Rines Shapiro & Shapiro, November 25, 1980: US04236246 (27 worldwide citation)

A method and apparatus are disclosed for identifying and locating faults in the portion of circuit assemblies containing digital signals by conducting in-circuit tests embodying the application of uninterrupted sequences of signals to nodes of the circuits and the comparison of nodal signals to expe ...


4
Anthony E Winston, Francis R Cala, Alfredo Vinci, M Stephen LaJoie: Aqueous electronic circuit assembly cleaner and method. Church & Dwight Co, Charles B Barris, August 10, 1993: US05234506 (26 worldwide citation)

The present invention relates to environmentally safe aqueous cleaning compositions for cleaning electronic circuit assemblies, such as printed circuit or printed wiring boards, during their fabrication. Alkali metal carbonate and bicarbonate salts are utilized with an alkali metal silicate to achie ...


5
Anthony E Winston: Evaporative treatment of inorganic saponifier wash water. Church & Dwight Co, Charles B Barris, September 20, 1994: US05348588 (25 worldwide citation)

The aqueous effluent from the wash cycle of a process for cleaning electronic circuit assemblies of rosin flux and other organic residues with an aqueous alkaline cleaning solution comprises evaporating the effluent to cause separation of an aqueous vapor phase and a solid phase comprising residues ...


6
Hamilton Phillip George Breret: Cooling electronic circuit assemblies.. Int Computers, June 8, 1994: EP0600590-A1 (25 worldwide citation)

An electronic circuit assembly comprises a multi-layer printed circuit board (10) having an internal thermally conductive plane (12), such as a ground plane. First (18) and second (24) sets of thermally conductive vias extend through the circuit board (10) and make thermal contact with the thermally ...


7
Terry L Munson, Douglas O Pauls: Method and apparatus for the quantitative measurement of the corrosivity effect of residues present on the surface of electronic circuit assemblies. Contamination Studies Laboratories, Woodard Emhardt Naughton Moriarty & McNett, July 21, 1998: US05783938 (19 worldwide citation)

An apparatus and test method for determining the cleanliness (based on corrosivity) of a specific area on an electronic circuit assembly, such as the area between holes or pads on a single side of an assembly. The apparatus includes: (1) an extraction cell for providing an extraction fluid to an ele ...


8
Anthony E Winston, Steven E Dunn, Francis R Cala, Alfredo Vinci, M Stephen Lajoie: Stabilization of silicate solutions. Church & Dwight Co, Charles B Barris, August 10, 1993: US05234505 (16 worldwide citation)

The present invention is directed to aqueous cleaning compositions such as for household use or for cleaning electronic circuit assemblies comprising alkaline salt, an alkali metal silicate to boost detersive action or to provide corrosion protection to the substrates which are cleaned and an anioni ...


9
Anthony E Winston, Francis R Cala, Steven E Dunn, Alfredo Vinci, M Stephen Lajoie: Aqueous electronic circuit assembly cleaner and cleaning method. Church & Dwight Co, Charles B Barris, November 23, 1993: US05264046 (15 worldwide citation)

The present invention relates to environmentally safe aqueous flux removing compositions for cleaning electronic circuit assemblies, such as printed circuit or printed wiring boards, during their fabrication. Alkaline salts are utilized preferably with various adjuvants, such as an anti-corrosion ag ...


10
Rocco Richard Palmisano: Removable encapsulant for protection of electronic equipment. The United States of America represented by the Secretary of the Army, Nathan Edelberg, Robert P Gibson, Saul Elbaum, October 10, 1978: US04118861 (15 worldwide citation)

A method of providing an easily removable encapsulant for electronic circuit assemblies is disclosed. According to the method, a body of a suitable inexpensive, low density, foamed silicone rubber which is environmentally and electrically stable is divided into pellets or fine particles. The pellets ...