Granted in the Metal 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, D.C. 20231.

IEILJECTROLIESS NICKEL BATN U.S. Patent 6,048,585. Apr. 11, 2000 N.M. Martyak and J.E. McCaskie, assignors to Atotech Deutschland GmbH, Berlin

A method of removal of orthophos- phite ions from electroless nickel plat- ing baths.

METHOD FOR APPLYING CONVERSION COATINGS U.S. Patent 6,048,921. Apr. 11, 2000 R.A. White and L. Steinbrecher, assignors to Henkel Corp., Plymouth Meeting, Pa.

A method for dispensing an acidic conversion coating comprising intro- ducing through a port in a reservoir chamber of a hand-held applicator an aqueous conversion coating composi- tion that exhibits a pH within the range of 1 .5-4.5 and includes 0.0001-3% by volume of an acid sta- ble fluorinated surfactant; and clos- ing the port with an applicator wick, wherein the conversion coating com- position can be dispensed from the reservoir through the wick.

MULTIPLE-COLOR PAINTING APPARATUS U.S. Patent 6,050,498. Apr. 18, 2000 S. Minoura and D. Nakazono, assignors to Honda Giken Kogyo KK, Tokyo

A multiple-color painting apparatus

comprising a plurality of paint tanks each to be filled with paint of a differ- ent color; a pump having an inlet side and an outlet side; a plurality of sup- ply passages severally connected for fluid communication between the paint tanks and the inlet side of the pump; a paint gun; a delivery passage connected for fluid communication be- tween the outlet side of the pump and the paint gun; wherein the supply passages are each dedicated to one paint and the delivery passage is com- mon to all paints.

ROTARY SPRAY HEAD COATER U.S. Patent 6,050,499. Apr. 18, 2000 S. Takayama et al., assignors to ABB KK, Tokyo

A rotary atomizing head coating ma- chine including a cover of cylindrical shape; an air motor provided within the cover; a rotational shaft provided axially in and rotated by said air mo- tor; a rotary atomizing head; and a feed tube provided axially in the rota- tional shaft and having a fore end portion for spouting paint or solvent.

PLATING STRUCTURE FOR A PIN GRID ARRAY PACKAGE U.S. Patent 6,051,119. Apr. 18, 2000 P.F. Findeis et al., assignors to

International Business Machines Corp., Armonk , N.Y. , and General Wire & S tamp ing Co. Inc., Randolph, N.J .

A plating structure comprising a sub- strate having a plurality of pins to be plated; and a metallic plating screen having a plurality of apertures, wherein each of the apertures has at least two tabs spaced apart from each other and the metallic plating screen is placed over the pins so that at least two pins pen- etrate each aperture, each of the pins contacting a tab of the aperture.

ELECTROSTATIC COATING SYSTEM U.S. Patent 6,051,280. Apr. 18, 2000 K. Seitz et al., assignors to Wagner International AG, Alstatten, Switzerland

A method of controlling an electrostatic coating device, which discharges an electrostatically charged cloud of a coating medium to a workpiece com- prising detecting the shape of the work- piece; and automatically adjusting a shape of the cloud of coating medium in accordance with the detected shape of the workpiece by controlling at least one of speed and the quantity of the coating medium discharged; and the shaping air flow forming an air coat around the cloud of coating medium discharged by the coating device.

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