- Email: [email protected]
Electroplating apparatus
PATENTS 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. 2023 1.
Acrylic-Coated Thermoplastic Substrate U5. Patent $426,131. June 20, 1995 D Katsambew, awgnor PWeld, Mass.
to General Electric Co
of the metal the coating intermediate rinsing.
,
A solventless L!V-curable coating conposition comprising ar least one multifunctonal acrylic ester monomer present at a level of 10 to 60% by weight; at least one colloidal silica acrylatefuncrionali7ed present at a level of 20 to 40% by weight; at least one multifunctional aliphatic acrylated polyurethane preqent at a level of 5 to 40 percent by weight; at least one ultraviolet light absorber present at a level of 5 to l(l% by weight; and at least one photoinitixor present at a level ot 1 ro 5% by \scight.
Process for Treating Metals US. Patent 5,427,632. June 27 1995 S E Do/an, assignor to Heokei Carp , Plymouth Meeting,Pa. A process for treating a metal surface. comprising coating with a substantially uniform liquid composition having a pH vldue within the range of 0.555.0 and consi\ting essentially of a component of fluorometallate anions, each consisting of at least four fluorine atoms, al least one atom of an element selected from the group consi\ting of titanium, zirconium. hafnium. silicon. aluminum, and boron, and, optionally, ionizable hydrogen atoms, and. optionally, one or more oxygen atoms; a component of divalent or tetravalent cationc of elements selected from the group consisting of cobalt, magnesium. mangane>e, rinc, nickel, tm. copper, zirconium, iron, and strontium in such an amount that the ratio of the total number of cations to the number of unions is at least 1:5 but not greater than 3:l; a component selected from the group consisting of phosphoruscontaining inorganic oxyanions and phosphate anions; and a component selected from the group consisting of water-soluble and water-dispersible organic polymers and polymer-forming resins; and. optionally, a dissolved uxidizing agent; and. optionally, a component selected from dissolved or dispersed complexes stabilized against settling, and drymg into place on the surface
METAL FINISHING
??
MARCH
1996
applied
without
Electrocoating Bath U.S.Patent 5,427,661. June 27,
1995 M. Gersf et a/., assignors to BASF Lacke & Farban AG, Munster, Germany A method for reducing surface defects in electrodeposited films on electrically conducting substrates comprising immersing in an aqueous electrocoating bath containing at lcast one synthetic resin to be deposited on a cathode, and surface defect fonning contaminants, as well as an amount of a homopolymer of an alkyl vmyl ether effective to reduce defect formation by the contaminants; connecting the substrate as the cathode; depositing a film on the substrate by means of direct current: removing the substrate from the electrocoating bath; and baking the deposited paint film to provide a coating substantially free of surface defects caused by contaminants.
Process and Apparatus for Reactive Coating of a Substrate U.S. Patent 5,427,665. June 27, 1995 K Hart/g and 1 Szczyrbowski, asstgnors to Leybold AG, Hanau, Germany Apparatus for the reactive coating of a substrate comprising an evacuuble coating chamber; means for introducing a process gas into the chamber; means for introducing a reactive gas into the chambel-; a cathode; a power source connected to said cathode; a plurality of magnets adjacent the cathode; a target; and a diaphragm between target and substrate to be coated, said diaphragm having apertul-e means configured and aligned so that the part of the target having higher affinity for the reactive gas provides most of the reactive coating for the substrate.
Method for In-Situ Cleaning a Target U.S. Pafent 5,427,666. June 27, 1995 MA Mueller et al, assjgnors to Applied Materials Inc., Santa Clara, Calif. A method of forming a multilayer ductive structure on a semiconductor strate, which comprises forming a layer of titanium in electrical contact
consubfirst with
the substrate; forming a first barrier layer of titanium nitride over the first titanium layer: formmg a layer of aluminum over the first layer of titanium nitride; forming an antiretlective coating of titanium nitride over the aluminum layer by sputtering titanium from a titanium target in the presence of nitrogen gas; and forming a second titsnium layer over the antireflective titanium nitride layer by sputtering titanium from the titanium target, wherein the titanium layer is sufficiently thin to retain the antireflective properties of the underlying antireflective layer of titanium nitride, yet thick enough to accomplish removal of titanium nitride from the titanium target deposited thereon during sputter formation.
Thin Film Deposition System U.S. Patent 5.427,666. June 27, 1995 T Sate et al,, assignors to Ricoh Co. Ltd.. Tokyo A thin film deposition system comprising a vacumll casing for introducing therein an active gas or an inert gas or a mixture of an active gas and an inert gds; an evaporation source for evaporating an evaporant in the vacuum casing; a confronting electrode for supporting a substrate on which a thin film is to be deposited; a grid for passing therethrough particles evaporated from the evaporant on the evaporation source; a fiament for ionizing the particles evaporated from the evaporant; a target electrode for holding a sputtering target; means for keeping the grid positive in potential with respect to the confronting electrode and filament; and means for applyin& a highfrequency voltage to the target electrode.
Vacuum Coating Device U.S. Patent 5,427,671. June 27, 1995 N.A.G. Ahmed, assignor to Applied Vision Lid.. Leeds. Great Britain An ion vapor method.
deposttion
apparatus
and
Electroplating Apparatus U.S.Patent 5,427,674. June 27, 1995
C.G. Langenskidid et al, assignors to Cinram Ltd., Scarborough.Canada An electroplating process, which uses an apparatus comprising an anode, a cathode, opposed first and second end walls and a
91
Aqueous
peripheral wall, wherein the first and second end walls and the peripheral wall define a plating space, the apparatus further including an electrolyte distribution channel conforming to the peripheral wall and havmg a plurality of perforations therein, to thereby provide an electrolyte pathway from the electrolyte distribution channel into the plating space, the Improvement which comprises causing the electrolyte to enter the plating space at an oblique angle relatlvc to the peripheral wall.
Flux for Reflowing
Cleaning
Composition
U.S. Patent 5,427,709 June 27, 7995 N.E. Antin and D.P Jackson, assignors to The United States of America as represented by the Secretary of fhe Navy Washmgton, D.C. A cleaning composition comprising a silicate solution of SiO, and X,0 in a SiO,:X,O mole ratio in the range of I .82.2 with a polysilicate amon concentration in the range of 2~18% by weight, a corrosion inhibitor material selected from the group consisting of XBF, with a weight concentration in the range of O.Ol-1.0% and X&100, with a weight concentration in the range of O.OlLl.O% and mixtures thereof and the balance demineralized water, wherein X is chosen from the group consisting of sodium and potassium.
Tinplate
U.S. Palent 5427,677. June 27, 1995 C. Masher, assrgnor lo LeaRanal Inc., Freeport, N. Y A method for producing bright tinplate, which comprises contacting matte tinplate with an aqueous flux solution of a naphthalenesulfonic compound to provide a coating of the compound thereon; heating the coated matte tinplate to a temperature above the melting point of tin but below the melting point of steel; and quenching the heated coated matte tinplate to provide bright tinplate thereon.
Paint Stripping Composition lJS. Patent 5,427,710.June 27, 1995 E. Stevens, West Orange, NJ. A composition for use in removing polymeric coatings from flexible and inflexible surfaces consisting essentially of IWO% by weight of a conjugated terpene selected from the group consisting of alpha-ter-
lerpinolene, isoterpipincne, tdgetone. nolene, allo-ocimene, myrcene, ocimenone, and mixtures thereof; Z-90% by weight of an alcohol; O-706 by weight of a terpene compound other than a conjugated terpene selected from the group consisting of alpha-terpinene, tagetone. terpnolene: iaoterpinolene, allo-ocimene, myrcene, ocimenone. and mixtures thereok O&20% by weight of a surfactant; and 0.0560% by weight of an organoclay rheological additive, wherein the weight ratio of the conjugated terpene to the alcohol ranges from l:l-1:lO.
Polyurethane Topcoats
Self-Priming
U.S. Patent 5,427,821.June 27, 1995 CR. Hegedus el al, assignors toThe United Stales of America as represented by the Secrelaiy of the Navy, Washmgton, D.C. A process of preparing a corrosion-rcslstam self-priming urethane coating on a metal substrate, which comprises forming the polyurethane coating by applying an organic solution comprising I5 to SO parts by weight of a polyurethane binder; 1 to 30 parts by weight of an alkaline-earth metal
ANALYZE!!
To This
Switch From This
REUSABLEplastic grid eliminates constant reordering and stocking of corrugated parts dividers. PERFORMANCE: It’s the ideal divider. Chipping, abrasion and corrosion are reduced. Air circulates and fluids drain. ECONOMY:
Plating Solutions
Reuse it! Durable plastic grid lasts indefinitely while resisting most acids and chemicals.
CONVENIENCE: Order only what you need! Cut to the size you require, or in roll form. Choose from a variety of mesh sizes and weights.
AUTOMATICALLY IN 2 MINUTES using a BREAKTHROUGHTECHNOLOGY!
Send for FREE Factory Samples and Brochure.
I ‘InterN& INCORPORATED
2730 Nevada Ave. No. Minneapolis MN 55427 FAX (612) 54;.9692 l-800-328-8456
Circle 086 on reader information card 92
SANDA CORP. 800-999-2993 Cirelc
IlRR on
render
METAL
informatian
FINISHING
card
.
MARCH
1996
Acrylic-Coated Thermoplastic Substrate U5. Patent $426,131. June 20, 1995 D Katsambew, awgnor PWeld, Mass.
to General Electric Co
of the metal the coating intermediate rinsing.
,
A solventless L!V-curable coating conposition comprising ar least one multifunctonal acrylic ester monomer present at a level of 10 to 60% by weight; at least one colloidal silica acrylatefuncrionali7ed present at a level of 20 to 40% by weight; at least one multifunctional aliphatic acrylated polyurethane preqent at a level of 5 to 40 percent by weight; at least one ultraviolet light absorber present at a level of 5 to l(l% by weight; and at least one photoinitixor present at a level ot 1 ro 5% by \scight.
Process for Treating Metals US. Patent 5,427,632. June 27 1995 S E Do/an, assignor to Heokei Carp , Plymouth Meeting,Pa. A process for treating a metal surface. comprising coating with a substantially uniform liquid composition having a pH vldue within the range of 0.555.0 and consi\ting essentially of a component of fluorometallate anions, each consisting of at least four fluorine atoms, al least one atom of an element selected from the group consi\ting of titanium, zirconium. hafnium. silicon. aluminum, and boron, and, optionally, ionizable hydrogen atoms, and. optionally, one or more oxygen atoms; a component of divalent or tetravalent cationc of elements selected from the group consisting of cobalt, magnesium. mangane>e, rinc, nickel, tm. copper, zirconium, iron, and strontium in such an amount that the ratio of the total number of cations to the number of unions is at least 1:5 but not greater than 3:l; a component selected from the group consisting of phosphoruscontaining inorganic oxyanions and phosphate anions; and a component selected from the group consisting of water-soluble and water-dispersible organic polymers and polymer-forming resins; and. optionally, a dissolved uxidizing agent; and. optionally, a component selected from dissolved or dispersed complexes stabilized against settling, and drymg into place on the surface
METAL FINISHING
??
MARCH
1996
applied
without
Electrocoating Bath U.S.Patent 5,427,661. June 27,
1995 M. Gersf et a/., assignors to BASF Lacke & Farban AG, Munster, Germany A method for reducing surface defects in electrodeposited films on electrically conducting substrates comprising immersing in an aqueous electrocoating bath containing at lcast one synthetic resin to be deposited on a cathode, and surface defect fonning contaminants, as well as an amount of a homopolymer of an alkyl vmyl ether effective to reduce defect formation by the contaminants; connecting the substrate as the cathode; depositing a film on the substrate by means of direct current: removing the substrate from the electrocoating bath; and baking the deposited paint film to provide a coating substantially free of surface defects caused by contaminants.
Process and Apparatus for Reactive Coating of a Substrate U.S. Patent 5,427,665. June 27, 1995 K Hart/g and 1 Szczyrbowski, asstgnors to Leybold AG, Hanau, Germany Apparatus for the reactive coating of a substrate comprising an evacuuble coating chamber; means for introducing a process gas into the chamber; means for introducing a reactive gas into the chambel-; a cathode; a power source connected to said cathode; a plurality of magnets adjacent the cathode; a target; and a diaphragm between target and substrate to be coated, said diaphragm having apertul-e means configured and aligned so that the part of the target having higher affinity for the reactive gas provides most of the reactive coating for the substrate.
Method for In-Situ Cleaning a Target U.S. Pafent 5,427,666. June 27, 1995 MA Mueller et al, assjgnors to Applied Materials Inc., Santa Clara, Calif. A method of forming a multilayer ductive structure on a semiconductor strate, which comprises forming a layer of titanium in electrical contact
consubfirst with
the substrate; forming a first barrier layer of titanium nitride over the first titanium layer: formmg a layer of aluminum over the first layer of titanium nitride; forming an antiretlective coating of titanium nitride over the aluminum layer by sputtering titanium from a titanium target in the presence of nitrogen gas; and forming a second titsnium layer over the antireflective titanium nitride layer by sputtering titanium from the titanium target, wherein the titanium layer is sufficiently thin to retain the antireflective properties of the underlying antireflective layer of titanium nitride, yet thick enough to accomplish removal of titanium nitride from the titanium target deposited thereon during sputter formation.
Thin Film Deposition System U.S. Patent 5.427,666. June 27, 1995 T Sate et al,, assignors to Ricoh Co. Ltd.. Tokyo A thin film deposition system comprising a vacumll casing for introducing therein an active gas or an inert gas or a mixture of an active gas and an inert gds; an evaporation source for evaporating an evaporant in the vacuum casing; a confronting electrode for supporting a substrate on which a thin film is to be deposited; a grid for passing therethrough particles evaporated from the evaporant on the evaporation source; a fiament for ionizing the particles evaporated from the evaporant; a target electrode for holding a sputtering target; means for keeping the grid positive in potential with respect to the confronting electrode and filament; and means for applyin& a highfrequency voltage to the target electrode.
Vacuum Coating Device U.S. Patent 5,427,671. June 27, 1995 N.A.G. Ahmed, assignor to Applied Vision Lid.. Leeds. Great Britain An ion vapor method.
deposttion
apparatus
and
Electroplating Apparatus U.S.Patent 5,427,674. June 27, 1995
C.G. Langenskidid et al, assignors to Cinram Ltd., Scarborough.Canada An electroplating process, which uses an apparatus comprising an anode, a cathode, opposed first and second end walls and a
91
Aqueous
peripheral wall, wherein the first and second end walls and the peripheral wall define a plating space, the apparatus further including an electrolyte distribution channel conforming to the peripheral wall and havmg a plurality of perforations therein, to thereby provide an electrolyte pathway from the electrolyte distribution channel into the plating space, the Improvement which comprises causing the electrolyte to enter the plating space at an oblique angle relatlvc to the peripheral wall.
Flux for Reflowing
Cleaning
Composition
U.S. Patent 5,427,709 June 27, 7995 N.E. Antin and D.P Jackson, assignors to The United States of America as represented by the Secretary of fhe Navy Washmgton, D.C. A cleaning composition comprising a silicate solution of SiO, and X,0 in a SiO,:X,O mole ratio in the range of I .82.2 with a polysilicate amon concentration in the range of 2~18% by weight, a corrosion inhibitor material selected from the group consisting of XBF, with a weight concentration in the range of O.Ol-1.0% and X&100, with a weight concentration in the range of O.OlLl.O% and mixtures thereof and the balance demineralized water, wherein X is chosen from the group consisting of sodium and potassium.
Tinplate
U.S. Palent 5427,677. June 27, 1995 C. Masher, assrgnor lo LeaRanal Inc., Freeport, N. Y A method for producing bright tinplate, which comprises contacting matte tinplate with an aqueous flux solution of a naphthalenesulfonic compound to provide a coating of the compound thereon; heating the coated matte tinplate to a temperature above the melting point of tin but below the melting point of steel; and quenching the heated coated matte tinplate to provide bright tinplate thereon.
Paint Stripping Composition lJS. Patent 5,427,710.June 27, 1995 E. Stevens, West Orange, NJ. A composition for use in removing polymeric coatings from flexible and inflexible surfaces consisting essentially of IWO% by weight of a conjugated terpene selected from the group consisting of alpha-ter-
lerpinolene, isoterpipincne, tdgetone. nolene, allo-ocimene, myrcene, ocimenone, and mixtures thereof; Z-90% by weight of an alcohol; O-706 by weight of a terpene compound other than a conjugated terpene selected from the group consisting of alpha-terpinene, tagetone. terpnolene: iaoterpinolene, allo-ocimene, myrcene, ocimenone. and mixtures thereok O&20% by weight of a surfactant; and 0.0560% by weight of an organoclay rheological additive, wherein the weight ratio of the conjugated terpene to the alcohol ranges from l:l-1:lO.
Polyurethane Topcoats
Self-Priming
U.S. Patent 5,427,821.June 27, 1995 CR. Hegedus el al, assignors toThe United Stales of America as represented by the Secrelaiy of the Navy, Washmgton, D.C. A process of preparing a corrosion-rcslstam self-priming urethane coating on a metal substrate, which comprises forming the polyurethane coating by applying an organic solution comprising I5 to SO parts by weight of a polyurethane binder; 1 to 30 parts by weight of an alkaline-earth metal
ANALYZE!!
To This
Switch From This
REUSABLEplastic grid eliminates constant reordering and stocking of corrugated parts dividers. PERFORMANCE: It’s the ideal divider. Chipping, abrasion and corrosion are reduced. Air circulates and fluids drain. ECONOMY:
Plating Solutions
Reuse it! Durable plastic grid lasts indefinitely while resisting most acids and chemicals.
CONVENIENCE: Order only what you need! Cut to the size you require, or in roll form. Choose from a variety of mesh sizes and weights.
AUTOMATICALLY IN 2 MINUTES using a BREAKTHROUGHTECHNOLOGY!
Send for FREE Factory Samples and Brochure.
I ‘InterN& INCORPORATED
2730 Nevada Ave. No. Minneapolis MN 55427 FAX (612) 54;.9692 l-800-328-8456
Circle 086 on reader information card 92
SANDA CORP. 800-999-2993 Cirelc
IlRR on
render
METAL
informatian
FINISHING
card
.
MARCH
1996