Granted in the M e t a l Finishing Field Printed copies of patents are furnished by the Patent and Trademark Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, DoC. 20231.
HERMETIC ENCLOSURE FOR S O L V E N T C L E A N I N G
EXTERNAL-MIX PLURAL-COMPONENT SPRAY GUN
U.S. Patent 5,799,677. Sept. 1, 1998 W.E. Sabatka and G. Melin, assignors to Finishing Equipment Inc., St. Paul, Minn.
U.S. Patent 5,799,876. Sept. 1, 1998 B.G. Islet, assignor to Marti~ Marietta, Bethesda, Md.
An apparatus for treating a workpiece comprising a carriage for holding the workpiece; a first station for transferring the workpiece into and out of the carriage; a first chamber for holding treating fluid; a second station for transferring the workpiece between the carriage and the first chamber; a seal located proximate the second station; a positioning plate for supporting the carriage; a backing plate, the backing plate and the positioning plate capable of being placed in sealing contact with the seal for isolating the first chamber from atmosphere; a mechanism for staging the carriage, the mechanism capable of positioning the carriage at the first station and at the second station; and wherein the first chamber is capable of being isolated from atmosphere when the carriage is located at the second station. S P U T T E R I N G TARGET A S S E M B L Y
U.S. Patent 5, 799,860. Sept. 1, 1998 R.E. Demaray et al., assignors to Applied Materials Inc., Santa Clara, Calif.
A method for p r e p a r a t i o n and bonding of workpieces to form sputtering targets and other assemblies. HVLP SPRAY GUN
U.S.Patent 5,799,875. Sept. 1, 1998 R. Weinstein and D.M. Seitz, assignors to Asahi Sunac Corp., Japan
A longitudinally extending fluid nozzle for an HVLP spray gun. February 1999
A multiple material spray system for applying a spray by a singlecomponent spray gun. ABRASIVE BLASTING APPARATUS
U.S. Patent 5,80(],246. Sept. 1, 1998 N. Tomioka, assignor to Rich Hill lnc., Tokyo
A method of switching pressure between at least two pressure tanks provided in a blasting apparatus. FLAT-LINE P O W D E R COATING SYSTEM
U.S. Patent 5,800,615. Sept. 1, 1998 P.G. Lambert et al., assignors to Nordson Corp., Westlake, Ohio
A powder coating system comprising a conveyor for transferring a substantially flat article horizontally through a powder coating booth in a direction of travel; and at least one powder spray gun for applying powder coating material. A P P A R A T U S FOR IONIZED SPUTTERING
U.S. Patent 5,800,688. Sept. 1, 1998 A.D. Lat~tsman and T.J. Licata, assignors to Tokyo Electrorz Ltd., Tokyo
An ionized physical vapor deposition apparatus comprising a vacuum sputtering chamber; a sputtering target centered on an axis in the chamber; separately operable power supplies including a cathode power supply and an RF energy source; parallel to the target; and a shield encircling the chamber.
P I C K L I N G S T A I N L E S S STEEL
U.S. Patent 5,800,694. Sept. 1, 1998 J. Starcevic and E. MolAr, assignors to Al~dritz-Patentverwaltut~gsGesellschaft m.b.H., Graz, Austria
A process for pickling material strips m a d e of s t a i n l e s s steel c o m p r i s i n g s e l e c t i n g a mixed acid composed of a combination of hydrofluoric acid and nitric acid; placing a q u a n t i t y of the mixed acid in at least one pickling path to form a pickling bath; and passing the strip t h r o u g h the pickling bath, wherein the composition and concentration of the mixed acid in the pickling bath are selected a u t o m a t i c a l l y and continuously controlled as a function of the m a t e r i a l quality, o p e r a t i n g p a r a m e t e r s of t h e pickling bath, and the operating p a r a m e t e r s of the p r e t r e a t m e n t of the strip. PLATING TURBINE ENGINE COMPONENTS
U.S. Patent 5,800,695. Sept. 1, 1998 D. Kalzg et al., assignors to Chromalloy Gas Turbine Colp., San Antonio
A process of electroplating a coating onto a gas turbine engine component containing a plurality of cooling holes and a cooling passage interconnected therewith comprising injecting a plastic maskant into the cooling passage of the component filling the cooling holes of the component with the maskant; plating the external surface of the component with a coating by immersing the component in a plating medium; and removing the maskant from the component wherein the organic maskant is removed by heating the component to a temper115
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ature and for a time effective to volatize the maskant. COPPER COATING OF PRINTED CIRCUIT BOARDS U.S. Patent 5,800,859. Sept. 1, 1998 A.D. Price, Surrey, England and P.T. McGrath, Mission Viego, Calif. A process for treating a metal surface to promote adhesion thereto comprising contacting with an adhesion promotion composition comprising 0.1 to 20% by weight hydrogen 116
peroxide, a3~ inorganic acid, an organic corrosion inhibitor, and a surfaetant to form a microroughened conversion-coated surface, and adhering a material to the microroughened conversion-coated surface. ELECTROLESS COPPER PLATING PROCESS U.S. Patent 5,801,100. Sept. 1, 1998 C-Y. Lee arm T-II. Huang, assignors to Industrial Technology Research Institute, Hsinchu, Taiwan
A method for fabricating a copper containing i n t e g r a t e d structure within an integrated circuit comprising providing a substrate layer, forming a nickel containing conductor layer over the substrate layer; and forming upon the nickel containing conductor layer a copper containing conductor layer, where the copper containing conductor layer is employed within a copper containing integrated circuit inductor structure within the integrated circuit. STABILIZED CLEANING SOLVENT U.S. Patent 5,801,136. Sept. 1, 1998 R.G. Henry, assignor to Advanced Chemical Design Inc., Euclid, Ohio A s o l v e n t m i x t u r e h a v i n g an ozone depletion factor of less t h a n 0.08, for use in a vapor degreasing system, consisting essentially of 80 to 96.8~ by volume, chlorobromomethane; about 3.2 to 20.0% of a mixture of stabilizers consisting essentially of nitromethane, 1,2butylene oxide, and 1,3-dioxolane, the mixture of stabilizers being effective to inhibit the release of bromine into the atmosphere from the chlorobromomethane. CHROMiUM-FREE CONVERSION COATING U.S. Patent 5,801,217. Sept. 1, 1998 E.A. Rodzewich et al., assignors to BetzDearbort~ Inc., Trevose, Pa. A chromium-free conversion coating composition consisting essentially of a diglycidyl ether of Bisphenol A, a silicon compound containing a hydrolyzable group, a fiuoroacid selected from the group consisting of fluorotitanic acid and fluorozirconic acid, and water. ZERO-VOC AOUEOUS DISPERSION U.S. Patent 5,801,219. Sept. I, 1998 A.L. Neymark and D.J. Miklos, assignors to Bee Chemical Co., Lansing, Ill. A neutralized aqueous dispersion of an acid-modified polyolefin and an adduct of a monoepoxide with a polymeric acid. Metal Finishing