ative pressure from the primary hopper to the feed hopper, said feed hopper being adapted to connect to coating dispeners, which apply powder coating material onto objects passing through a powder spray booth; each of said first and second transfer devices including a powder receiver unit having a powder collection chamber a clean air chamber separated from the pow- der collection chamber; at least one car- tridge filter located within the powder col- lection chamber and in communication with the clean air chamber; and a device for dislodging powder coating material co- lected on the cartridge filter.

Coating Apparatus U.S. Patent 5,743,962. Apr. 28, 1998 T. Ogasawara and S. Katayama, assignors to Mazda Motor Corp., Japan

A product conveying system for coating and treating surfaces.

Hydrogen Peroxide Pickling of Stainless Steel U.S. Pafent 5,743,968. Apr. 26, 1998 J. W. Leeker and R. D. Rodabaugh, assignors to Armco Inc., Middletown, Ohio - -

A process for removing scale from a ferrous alloy strip containing chromium comprising pretreating to crack the scale; immersing into at least one pickling tank containing an inorganic acid from the group consisting of hydrochloric and sul- furic acid to remove the cracked scale thereby forming a pickled strip; and ap- plying an aqueous solution free of dis- solved iron containing hydrogen perox- ide to the pickled strip wherein any residual scale on the pickled strip be- comes activ-ated by the hydrogen perox- ide and removed by the inorganic acid thereby forming a clean strip.

Sputtering Apparatus U.S. Patent 5,744,Oll. Apr. 26, 1996 M. Okubo et a/., assignors to KK Toshiba, Kawasaki, Japan

A method for sputtering comprising dis- posing inside a film forming vessel a target and a material on which a film formed of a substance of the target is to be formed, the vessel having a gas supply system and a discharge system communicating with each other.

w u * * LINER COMPANY

FLEXIBLE, ONE=PIECE LINERS AND PVC FLOOR

COVERINGS FOR

FLUID CONTAINMENT AND

CORROSION CONTROL

MINIMUM DOWN TIME SAVES YOU MONEY!

t CAN BE INSTALLED OVER LEAKY TANKS AND FAILED COATINGS

Ir EXTEND THE LIFE OF YOUR TANKS AND FLOORS

* NO SURFACE PREPARATION FOR QUICK AND EASY INSTALLATION

Ir CUSTOM MANUFACTURED IN ANY SUE

* 24-HOUR EMERGENCY SERVICE AT NO EXTRA COST

l-8001811-8055 FAX (616)642-2354

16645 WORNALL RD. KANSAS CITY, MO 64114

Circle 103 on reader information card

Anode Basket for Controlling Thickness Distribution U.S. Patent 5,744,013. Apr. 28, 1998 R.R 5ott.s ef a/., assignors to Mitsubishi Semiconductor America Inc., Durham, N.C.

,in apparatus for electroplating a work- piece with an electroplate metal, the appa- ratus comprising a cathode rack configured to support the workpiece; and an anode basket in which anode particles are con- tained, the anode basket including a plural- ity of baffles positioned in the basket at selected locations, the plurality of baffles providing separate compartments in the basket for the anode particles, wherein each baffle is secured to the anode basket via hinges, allowing the baffle to pivot about the hinge.

Sputtering Apparatus US Patent 5,744.016. Apr. 28, 1998 Y Yamada and T: Shinumra. assignors to NEC Corp., Tokyo

A sputtering apparatus for use with a substrate comprising a vacuum container; a target retainer member disposed at one side of said vacuum container; a target compris-

There’s one intelligent Coatin

f Thickness

that nows the difference. Automatic Ferrous! Non- Ferrous selection to suit a wide range of applications

n Versatile on both powder coatings and anodlsing.

n Approved for automotive and appliance manufacture.

n /deal for the aerospace and aluminium frame industries.

n Tough enough fcr use on marine and structural steelwork.

Available with either an integral or a separate probe, this is the perfect low-cost. pocket-size gage to ,yut instant quality assurance at the point of coating Phone now for fu/I details.

q &om&~ L@ -_ QUALITY ASSURANCE FOR COATiNG THICKrVESS. POROSITY

ADHESION. CLIMATE MONITORIVG, ABhYSION. GLOSS. SURFACE PREPARATlO,\‘, MATERIAL .4ND WET F’LM THICKNESS.

800-52 I-0635 1893 Rochester Indus:nal Dr.. Rochester Hills, MI 48309

Circle 034 on reader information cara

METAL FINISHING . SEPTEMBER 1998 105

ing titanium attached to the target retainer member inside the vacuum container for producing sputtered particles; and a gas inlet for introducing a reactive gas com- prising nitrogen, wherein a first titanium nitride film is deposited on the substrate by a reactive sputtering process.

Vacuum Arc Deposition Apparatus U.S. Patenf 5,744,OiZ Apr. 28, 1998 H. Tamagaki et al., assignors fo KK Kobe Seiko Sho, Kobe, Japan

A vacuum arc deposition apparatus com- prising a cylindrical evaporation source having a cylindrical axis: a substrate posi- tioned around the evaporation source so as to at least partially axially overlap the evaporation source; a cathode of an arc power source connected to at least one end of the evaporation source so as to supply power to the evaporation source to form an arc for consuming the evaporation source and forming a film on the substrate; and a magnetic field forming exciting coil ha\,ing a coil axis coaxial with the cylindrical axis of the evaporation source. said exciting &I being positioned offset with respect tn an

end of the evaporation source such that the Process and Device for exciting coil does not substantially overlap the evaporation source.

Spraying a Coating U.S. Patent 5,744,190. Apr. 28, 1998

Method for Electroplating U.S. Patent 5,744,019. Apr. 28, 1998 J. Ang, assignor to A/WA Research and Development Inc., Fremonf, Calf.

A method of electroplating a thin metal film onto a substrate wafer comprising maintaining an alloy composition unifor- mity of at least one electroplated layer sub- stantially uniform using a cathode assem- bly for mounting the substrate wafer, the cathode assembly including an inner cath- ode ring electrically connected to the wa- fer: a thief ring external to the cathode ring; and an insulating ring connected between and electrically insulating the cathode and thief rings; and powering the cathode ring and the thief ring using separate first and second power sources having respective first and second negative terminals respec- tively coupled to the cathode ring and the thief ring, the first and second power sources having a positive terminal coupled to an anode.

C. Theme, assignor to Sames S.A., Meylan, France

In a process for spraying a coating product onto an article from a sprayer to which coating product is supplied from a reservoir equipped with a piston moved along a path in order to transport the coating product to the sprayer, wherein the sprayer is positionable at any one of a plurality of positions relative to the arti- cle and the piston is positionable at any one of a plurality of positions along the path. each position of the piston corre- sponding to the position of the sprayer relative to the article, the improvement comprising sensing the position of the sprayer relative to the article and provid- ing an indication of that position; and controllably placing the piston at a posi- tion along the path, which corresponds to the position of the sprayer relative to the article, in response to the position indi- cation provided in the sensing step.

Basecoat Color Shift Inhibitor U.S. Patent 5,744,240. Apr. 28, 1998

YAMAMOTO’S A44 TRICHROM-METER Analyzer for Cr”(TRIVALENT CHROMIUM)& Fh’(IRON)Content in Chromium Plating Solution

A-04 t+?)go&%-+ (3oA~,~,~~~3~~uoa~~~~l~)

ANALYZERS FOR A WIDE RANGE OF ELEC;‘ROPLATING SOLUTIONS

Manufacrure YAMAMOTO-MS. co., Tokyo Japan

0%) lLl*#iim.as% %%::zE:?;;‘“-’ Please address your questions to the following representative sales office:

. C. UYEMURA & Co., Ltd. 3-2-6 Doshomachi, Chuo-ku, Osaka, Japan

Fax : 06-222-0866 l OKUNO CHEMICAL INDUSTRIES CO., LTD.

3owllng Green, KY 42101 =hone: (502) 782-2411

Booth #82-7076 Fax. (!>02) 781-3425 (800) 233-3593

%I for Free CD-ROM Demo

4-7-10 Doshomachi, Chuo-ku, Osaka, Japan JRL, http’/lww.vdetrex.com E:-mail: sales@detrex.com

Fax : 06-203-0714 :harlone. NC ChIcago. Ii C,n”amlnsa”. NJ letrat MI

Dallas TX Grand Rap,@; MI

Cleveland. OH IndlanWlr, IN Los Angeles. CA So”thf,eid MI

Circle 108 on reader information card Circle 111 on reader information card

106 METAL FINISHING l SEPTEMBER 1998

Cover All Your Bets!

and for rears to come Detrex IS your ~olut,on

DETREX CORPORATION 1

From Aqueous

to Solvent,

mtmx covers all your bets.

Equipment Division 101 Emmett Avenue See us at IMTS ‘98