..-rAL CLU_ MnIIODU.S. Patent 5,909,742. June 8, 1999J. Ouyang et al., assignors toBetzDearborn Inc., Trevose, Pa.

A method for preparing metal su­faces for the application of paintand siccative coatings theretocomprising adding an effectiveamount of an aqueous solution ofcitric acid, a hydroxycarboxylicacid salt, a nonionic surfactanthaving an HLB of 3 to 8, andsodium xylene sulfonate.

~IISTSI"'••CO..OSITiOIIu.s. Patent 5,909,744. June 8, 1999J.J. Sahbari, assignor to Silicon ValleyChemlabs Inc., Sunnyvale, Calif.A method for removing photoresistfrom a substrate comprising con-

tacting with a stripping solutionconsisting essentially of5 to 95% byweight of one or more dibasic es­ters; 1 to 65% by weight of tetrahy­drofurfuryl alcohol or a water­soluble alcohol, glycol, glycol ether,or mixture thereof; and 5 to 60% byweight deionized water.

IIOTAIIY ATO**' ...........U.S. Patent 5,909,849. June 8, 19991. Yamasaki et al., assignors toToyota Jidosha KK, Toyota, Japan

A rotary atomizing electrostaticcoating apparatus comprising arotary atomizing head includingan axis of rotation and a paintfeed nozzle assembly.

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u.S. Patent 5,910,219. June 8, 1999T. T. Perry et al., assignors to UnitedTechnologies Corp., Hartford, Conn.

A coating apparatus comprising acan defining a chamber; a hollowsleeve defining an internal spacelocated within the chamber; pas­sage means located in the hollowsleeve for communicating the an­nular space with the internalspace; lid means for enclosing thecan and hollow sleeve for forminga closed compartment; and sup­port means for supporting a work­piece at least partially within theinternal space wherein the activa­tor is located within the internalspace below the workpiece.

and the surfacetreatmentsFrench magazineORGANIZE

the 13th international conference on surface treatments in the aeronautical and aerospace industries

sur'••r 2 0 0 0CANNES (French Riviera

14.15.16 une 200

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U.S. Patent 5,910,272. June 8, 1999N. Kushibiki and K. Takeuchi,assignors to Dow Corning Asia Ltd.,TokyoA process for the preparation ofan electrically conductive coatingmaterial.

IUCTROLISS NICOL PLAnNGSOLUTIONU.S. Patent 5,910,340. June 8, 1999H. Uchida et al., assignors to C.Uyemura & Co. Ltd., Osaka, JapanAn electroless nickel plating solu­tion comprising a water-solublenickel salt in an amount of 0.01 to1 M, a reducing agent in an amountof 0.01 to 1 M, a complexing agentin an amount of 0.01 to 2 M, and apolythionate or dithionite in anamount of 0.01 to 100 mgIL.

ULTRASONIC CLlANING DIVICIU.S. Patent 5,911,232. June 15, 1999S. Mokuo et al., assignors to TokyoElectron Ltd., Tokyo-to, JapanAn ultrasonic cleaning device com­prising a cleaning tank for contain­ing an object to be cleaned and acleaning liquid; a plurality of vi­brating plates for acting upon thecleaning tank; a plurality of powerunits for applying high-frequencyvoltages to the vibrating plates;and a single oscillation source forcontrolling the high frequency volt­ages applied by the plurality ofpower units to have a same phasewhereby the vibrating plates aredriven at said same phase.

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U.S. Patent 5,911,259. June 15, 1999V. Baldi, assignor to ReynoldsWheels International Ltd., Lugano,Switzerland

Equipment for the removal ofpaint, in particular electrostati­cally applied powders, from wheelhubs, comprising an element in theform of a disk or plate affording asurface designed to interact with awheel and shaped to match theshape ofthe hub in such a way as tofunction, when offered to a firstface of the wheel, as means bywhich to block the bore of the hub.

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U.S. Patent 5,911,317. June 15, 1999J. Tsai, assignor to Silitek Corp.,Taipei, Taiwan

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