- Email: [email protected]
Silver recovery apparatus
lent chromium as substantially the only chromium ion present, halide ion, and a phosphorus acid selected from phosphoric acid, phosphorous acid, hypophosphorous acid and mixtures thereof in an amount effective to provide a solution having a pH of 1.O to 2.5; rinsing the surface with water; and drying the surface.
Epoxy Powder Coating U.S.Patent 5,407,978. Apr. 16, 1995 R.M. Bymark et a/., assignors to 3M Co., St. Paul, Minn.
A rapid curing powder epoxy coating composition having increased flexibility, incorporating minor amounts of aliphatic triepoxides.
Method of Etching Copper U.S.Patent 5,409,567. Apr. 25, 1995 W/f. Lyfle et al., assignors to Motorola Inc., Schaumburg, 111.
A method of etching comprising providing a composite copper layer, providing an aqueous etch solution comprising a concentration of ammonium ions, a concentration of peroxydisulfate ions and a pH, the pH being within a range of 1.0 to 1.8;
heating the etch solution to a first temperature; and disposing the etch solution on the composite copper layer.
silver- and copper-depleted solution, which is used as the aqueous diluent.
Sputtering Apparatus U.S. Patent 5,409,590. Apr. 25, 1995 S. Hun&f et al., mignors to Mater&s Corp., Orangeburg, N. Y
Silver Recovery Apparatus U.S. Pafent5,409,562. Apr. 25, 1995 W.D. Wimbish and R.C. Hakher, assignors to Monsanto Co., St. Louis
Research
A target cooling and support apparatus for magnetron sputter coating.
A method for recovering metal from an aqueous solution containing ionic silver and ionic copper, comprising passing through a first electrowinning cell comprising at least one anode and at least one cathode, wherein the cell is operated at a cathode to calomel reference electrode potential in the range of -O.l--0.4 V DC to selectively recover at the cathode a predominately silver metal from the solution; diluting the silver-depleted solution with an aqueous diluent; passing the diluted silverdepleted solution through a second electrowinning cell comprising at least one anode and at least one cathode, wherein the cell is operated at a cathode to calomel reference electrode potential less than -0.5 V DC to recover predominately copper at the cathode thereof, thereby producing a
Brush Plating Process U.S. Patent 5,409,593. Apr. 25, 1995 M. Moskowitz, assignor to Sico Industries Inc., Cleveland
A method electroplating
and apparatus for selective using soluble anodes.
Electrolyte Additive for Coloring Aluminum U.S. Patent 5,409,592. Apr. 25, 1995 L.D. Meyer et a/., assignors to He&e/ Akiien, Dusseldod, Germany
KG auf
An electrolyte additive for a sulfuric acid coloring bath containing tin(I1) for the alternating-current coloring of anodized aluminum surfaces, said electrolyte addi-
Two Immersion Cleaners For The f One. * Flip-top design and spacious interior allow easy positioning of parts Handports equipped with rubber gloves facilitate access to parts and convenient abrading pencil Built-in recycling blaster handles all popular media grades ??
??
_ Model
2000
*
The New Powermaster@ PWZOO ST offers two production cleaning tanks in one unit. You save money and floor space. Ideal for lower-volume water-based wash/rinse systems. Features powerful and aggressive electromechanical agitation and patented Air Rise@Svstem.
AUBIN Model 2000 Abrading Station Includes Venturi Vacuum System to separate and exhaust spent media while recycling heavier particles. Applications range from divesting castings to finishing leads on delicate electronic components.
AUBIN Model 1400RC Abrasive Blasting Cabinet
Model
1400RC
Available with vacuum to keep work area clean. Typical applications include deburring, polishing, etching and cleaning of small parts.
A.E. AUBIN COMPANY Kleer-Flo Company l-800-328-7942
15151 Technology Drive, Eden Prairie, MN 55344 1-612-934-2555 (in MN1 I-612-934-3909 (Fax)
??
??
Circle 043 on reader information card
88
345 No. Main Street, P.O. Box 456 Marlborough, CT 06447 800-423-0697, in CT 860-295-9597 Fax: 860-295-8962 Circle 085 on reader information card
METAL FINISHING
. JANUARY
1996
Epoxy Powder Coating U.S.Patent 5,407,978. Apr. 16, 1995 R.M. Bymark et a/., assignors to 3M Co., St. Paul, Minn.
A rapid curing powder epoxy coating composition having increased flexibility, incorporating minor amounts of aliphatic triepoxides.
Method of Etching Copper U.S.Patent 5,409,567. Apr. 25, 1995 W/f. Lyfle et al., assignors to Motorola Inc., Schaumburg, 111.
A method of etching comprising providing a composite copper layer, providing an aqueous etch solution comprising a concentration of ammonium ions, a concentration of peroxydisulfate ions and a pH, the pH being within a range of 1.0 to 1.8;
heating the etch solution to a first temperature; and disposing the etch solution on the composite copper layer.
silver- and copper-depleted solution, which is used as the aqueous diluent.
Sputtering Apparatus U.S. Patent 5,409,590. Apr. 25, 1995 S. Hun&f et al., mignors to Mater&s Corp., Orangeburg, N. Y
Silver Recovery Apparatus U.S. Pafent5,409,562. Apr. 25, 1995 W.D. Wimbish and R.C. Hakher, assignors to Monsanto Co., St. Louis
Research
A target cooling and support apparatus for magnetron sputter coating.
A method for recovering metal from an aqueous solution containing ionic silver and ionic copper, comprising passing through a first electrowinning cell comprising at least one anode and at least one cathode, wherein the cell is operated at a cathode to calomel reference electrode potential in the range of -O.l--0.4 V DC to selectively recover at the cathode a predominately silver metal from the solution; diluting the silver-depleted solution with an aqueous diluent; passing the diluted silverdepleted solution through a second electrowinning cell comprising at least one anode and at least one cathode, wherein the cell is operated at a cathode to calomel reference electrode potential less than -0.5 V DC to recover predominately copper at the cathode thereof, thereby producing a
Brush Plating Process U.S. Patent 5,409,593. Apr. 25, 1995 M. Moskowitz, assignor to Sico Industries Inc., Cleveland
A method electroplating
and apparatus for selective using soluble anodes.
Electrolyte Additive for Coloring Aluminum U.S. Patent 5,409,592. Apr. 25, 1995 L.D. Meyer et a/., assignors to He&e/ Akiien, Dusseldod, Germany
KG auf
An electrolyte additive for a sulfuric acid coloring bath containing tin(I1) for the alternating-current coloring of anodized aluminum surfaces, said electrolyte addi-
Two Immersion Cleaners For The f One. * Flip-top design and spacious interior allow easy positioning of parts Handports equipped with rubber gloves facilitate access to parts and convenient abrading pencil Built-in recycling blaster handles all popular media grades ??
??
_ Model
2000
*
The New Powermaster@ PWZOO ST offers two production cleaning tanks in one unit. You save money and floor space. Ideal for lower-volume water-based wash/rinse systems. Features powerful and aggressive electromechanical agitation and patented Air Rise@Svstem.
AUBIN Model 2000 Abrading Station Includes Venturi Vacuum System to separate and exhaust spent media while recycling heavier particles. Applications range from divesting castings to finishing leads on delicate electronic components.
AUBIN Model 1400RC Abrasive Blasting Cabinet
Model
1400RC
Available with vacuum to keep work area clean. Typical applications include deburring, polishing, etching and cleaning of small parts.
A.E. AUBIN COMPANY Kleer-Flo Company l-800-328-7942
15151 Technology Drive, Eden Prairie, MN 55344 1-612-934-2555 (in MN1 I-612-934-3909 (Fax)
??
??
Circle 043 on reader information card
88
345 No. Main Street, P.O. Box 456 Marlborough, CT 06447 800-423-0697, in CT 860-295-9597 Fax: 860-295-8962 Circle 085 on reader information card
METAL FINISHING
. JANUARY
1996