ting passage of fluid or debris through the abrasive article during grinding.

Device for Electrostatic Spraying U.S. Patent 5,738,727. Apr. 14, 1998 D. Cebola et al, assignors to Sames S.A., France

An electrostatic device for spraying a coating product onto an object, comprising at least one sprayer having electrostatic charging means supplying a high voltage of a first polarity and potential for electroslst- ically charging the coating product: a rnt IV- able support structure: components carried by the movable support structure for feed- ing coating product to the at least one sprayer: an electrostatic shield; and me:ms for maintaining the electrostatic shield.

Vacuum Coating Chamber U.S. Patent 5738,729. Apr. 14, 1998 M. Dubs, assignor to Balzen AG, Furstentum, Liechtenstein

A coating chamber for at least one ,ni- tially flat platelike substrate comprising an evaporation source and a substrate carrier spaced from the evaporation source.

Process for Peeling Off Temporarily Protecting Coating Film U.S. Patent 5,738,730. Apr. 14, 1998 H. Jojo et al., assignors to Honda Giken Kogyo KK, Tokyo

A process for peeling off temporarily protecting coating films comprising jetting high-pressure water between the coating surface and end edges of the coating films to peel off the end edges and jetting the high-pressure water sequentially between the coating surface and peeled-off portions to peel off the entire temporarily protecting coating films from the coating surface.

Reducing Defects in Arc Vapor Deposition U.S. Pafenf 5,738,768. Apr. 14, 1998 CC?. Dam and L.M. VanLanen. assignors to Caterpillar Inc., Peoria. 111.

A process for preventing particle defects in an arc vapor deposition coating on a substrate comprising providing a metallic wire mesh having an opening size; provid- ing a coating material; providing an arc source; positioning the wire mesh in be- tween the arc source and substrate; apply-

ing a negative bias voltage to the wire mesh; depositing coating on the substrate; and entrapping the positively charged coat- ing macroparticles on the negatively charged wire mesh.

Anode Holder US Patent 5,738,769. Apr. 14, 7998 R. YK. Chen, Jingalpa, Queensland, Australia

An anode holder for use in electroplat- ing of crank pins comprising two parallel channel chacks defining a channel therebe- tween. each channel chack having an upper end and a lower end and the channel having an open upper part between the upper ends of the channel chacks; and a ,jaw plate being supported by the lower ends of the channel chacks, and said jaw plate having anodes mounted therein.

Sputtering Target US Patent 5,738,770. Apr. 14, 1998 D.P Strauss et al, assignors to Sony Corp., Tokyo and Materials Research Corp., Gilbert, Ariz.

A target assembly removably mountable in an opening in a wall of a vacuum cham-

Circle 094 on reader information card

C-lzl ACTIUATOR for nickel, silver, chrome, gold,

copper, paint, gloss, and ceramics.

a.. . . over Ist

Recommended for use on Wafers and in the Elecronic Circuit Board Industry.

7& o+ E-9 cARBon-=rRoLL

controls, retards, and stabilizes sodium carbonates in any cyanide plating bath.

www.pumachemical.com

Puma Chemical P.O. Box 67, Warne, NC 28909

Voice: 800 211-7993 Fax: 828 389-4023

Global: 001-828-389-3074

Circle 083 on reader information card

98 METAL FINISHING . SEPTEMBER 1998