Granted in the Metal Finishing Field Printed copies of patents are furnished by the Patent and Trademarks Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, D.C. 20231
A-TGS
FOR PLAl’lNG
US. Patent 6,296,753.
WAFERS
Oct. 2,200l
filaments have a diameter of 14 to 20 mils.
R. Kaufman et al., assignors to Technic Inc., Cranston, R.Z.
ELECTRODEPOSlTlON
A method of controlling a plating of an article comprising providing a container that supports a plating fluid bath; immersing the article within the plating fluid bath; providing a cathode in electrical contact with the article; providing an anode comprised of an adjustable section; forming a positive voltage difference from the anode to the cathode; and bending the adjustable section of the anode to change the electrostatic field formed between the anode and article to control the plating of the article.
IN SMALL
APPARATUS
FOR PLATING WAFERS
L?S. Patent 6,299,751. Oct. 9, 2001 R. Kaufman and G.C. Downes, assignors to Technic Inc., Cranston, R.Z.
A method of electroplating an article comprising immersing in a bath of plating fluid supported by a container; and directing plating fluid towards the article while it is immersed in the bath by cascading plating fluid down an inner wall of the container.
OF MlVALS
RECESSES
US. Patent 6,303,014. Oct. 16, 2001 E.J. Taylor et al., assignors to Faraday Technology Marketing Group
A method for depositing a continuous layer of a metal onto a substrate having small recesses in its surface comprising immersing an electrically conductive substrate having a generally smooth surface having at least one small recess therein, wherein at least one transverse dimension of the recess is from 5 to 350 micrometers, in an electroplating bath substantially devoid of at least one member selected from the group consisting of levelers and brighteners; immersing a counter electrode current in the plating bath; and passing current between the substrate and counter electrode, wherein the electric current is modulated reversing electric current, to deposit a film; and contacting the conditioned surface with a carbon dispersion. EPOXY COATING COMPOSlTlON
Z%SPatent 6,303,672. Oct. 16, 2001 NONWOVEN
J G. Papalos et al., assignors to
MRASM
LTS.Patent 6,302,930.
Oct. 16, 2001
R.E. Lux, assignor to 3M Innovative Properties Co., St. Paul, Minn. An abrasive product comprising
a porous, lofty, web of multiple layers of coiled, autogenously bound polyamide continuous filaments having a coil weight of 17 to 28 grams per 24 in2 with a binder resin, abrasive granules, and a size resin, wherein the continuous
96
Henkel Corp., Gulph Mills, Pa.
A self-dispersing curable epoxy resin composition comprising the addition product of reactants comprising an epoxy resin, a polyhydric phenol, and a polyoxyalkylenemonoamine. CATHODIC
assignors to BASF Corp., Southfield, Mich.
A cathodic electrocoat coating composition comprising a polymer comprising at least one primary carbamate group and at least one cationic salting site; a curing agent having groups that are reactive with said functional groups; and a reactive additive. STAGILIZEGS
FOR COlGPOSlTE
ELECTGOLESS PLATlNG
US. Patent 6,306,466.
Oct. 23,200l
N. Feldstein and D.J. Lindsay, assignors to Surface Technology Inc., Trenton, N.J.
A process for electrolessly metallizing a body to provide on the surface thereof a metal coating incorporating therein particulate matter, which comprises contacting with an electroless metallizing bath comprising an aqueous solution of a metal salt, a reducing agent, a quantity of particulate matter stabilizer, wherein the stabilizer shifts the Zeta potential by at least 10 mV in comparison to the measured Zeta potential of the insoluble particulate matter alone in water. cou)I#oar”r”rmrr US. Patent 6,309,427. Oct. 30, 2001 K. Korte, assignor to Clariant Finance Ltd., Tortola, Virgin Islands
A method of dyeing oxide layers produced artificially on aluminum or aluminum alloys comprising applying a dye to the oxide layers, wherein the dye employed comprises at least one 1:2 chromium complex dye.
ELECTROCOAT
US. Patent 6,303,690.
Oct. 16, 2001 T S. December and W H. Ohrbom,
METALCOLORING PROCESS US. Patent 6,309,476.
Oct. 30, 2001
Metal Finishing