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Class 205/269 - Cobalt


Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein the single metal consists essentially
No. of patents: 41
Last issue date: 08/02/2005


1    
NumberTitleIssue Date
6923897Method for producing electrolytically coated cold rolled strip, preferably for use in the production of battery sheaths, and battery sheath produced according to this method
The invention relates to a method for producing an electrolytically coated cold rolled strip, preferably for use in the production of battery sheaths. The cold rolled strip is provided with a cobalt or a cobalt alloy layer by an electrolytic method. The aim of the i...
08/02/2005
6852210Plating method and plating bath precursor used therefor
To provide a plating method, which enables wide industrial use of the redox system electroless plating method having excellent characteristics, and a plating bath precursor which is preferable for the plating method. The plating method comprises a process oxidizing ...
02/08/2005
6797415Cobalt-nickel-iron alloy thin film and method of forming the same, and thin-film magnetic head and method of manufacturing the same
A track width defining layer for defining a write track width of a thin-film magnetic head is made of a CoNiFe film formed through electroplating. The CoNiFe film contains 60 to 75 weight % cobalt, 10 to 20 weight % nickel, and 10 to 20 weight % iron, and has a crys...
09/28/2004
6793798Radioactively coated devices
This invention relates to radioactively coated devices, preferably radioactively coated medical devices. These coated devices are characterized as having a low rate of leaching of the radioisotope from the surface of the coated device and a uniform radioactive coati...
09/21/2004
6790332Method for the galvanic deposition of nickel, cobalt, nickel alloys or cobalt alloys with periodic current pulses
A method for galvanically depositing nickel, cobalt, nickel alloys or cobalt alloys in a galvanic bath includes using electrolytes containing nickel compounds or cobalt compounds. At least one anode and at least one cathode of the bath are subject to periodic curren...
09/14/2004
6773573Plating bath and method for depositing a metal layer on a substrate
A metal plating bath containing alcohol compounds that inhibit or retard the consumption of plating bath additives. The additives are chemical compounds that improve the brightness of the plated metal, the physical properties of the plated metal especially with resp...
08/10/2004
6736954Plating bath and method for depositing a metal layer on a substrate
A metal plating bath and method of plating a metal on a substrate where the metal plating bath contains heteroatom organic compounds that prevent or inhibit the consumption of metal plating bath additives. The metal plating bath additives improve the brightness of p...
05/18/2004
6344125Pattern-sensitive electrolytic metal plating
A process for the electrolytic deposition of a metal, preferably copper or an alloy of copper, directly onto a barrier layer coated on a dielectric layer. The process is advantageous because it electrolytically deposits metal in a pattern that is either t...
02/05/2002
6323128Method for forming Co-W-P-Au films
A method for forming a quaternary alloy film of Co--W--P--Au for use as a diffusion barrier layer on a copper interconnect in a semiconductor structure and devices formed incorporating such film are disclosed. In the method, a substrate that has copper co...
11/27/2001
6306276Aqueous electrodeposition of rare earth and transition metals
The present invention relates to the electrodeposition of transition metal and rare earth alloys from aqueous solutions to form thin films. The present invention which comprises the preparation of suitable mixtures of water soluble compounds containing th...
10/23/2001
6287445Coating particles in a centrifugal bed
An apparatus and method are provided for coating particles in a rotating container. A cathode forms an electrically conductive inner surface of a side wall of the container. An anode is positioned relative to the cathode so as to permit both the cathode a...
09/11/2001
6224991Process for electrodeposition of barrier layer over copper foil bonding treatment, products thereof and electrolyte useful in such process
Treated copper foil for use in the manufacture of copper-clad laminates for printed circuit boards, wherein a continuous, very thin cobalt barrier layer, which is substantially non-ferromagnetic, is electrodeposited on a copper bonding treatment electrode...
05/01/2001
6183545Aqueous solutions for obtaining metals by reductive deposition
An aqueous solution for the reductive deposition of metals comprising, besides water, (A) a phosphine of the general formula (1) ##STR1## in which R1, R2, and R3 denote lower alkyl groups, at least one of which being hydr...
02/06/2001
5882498Method for reducing oxidation of electroplating chamber contacts and improving uniform electroplating of a substrate
A method for electroplating a silicon substrate in manufacturing a semiconductive device is provided. Electroplating process chamber contacts or fingers used in positioning a silicon substrate or wafer during an electroplating process are plated with a me...
03/16/1999
5720867Process for the electrochemical recovery of the metals copper, zinc, lead, nickel or cobalt
An electrolytic cell comprising bipolar electrodes is employed for electrochemical deposition of copper, zinc, lead, nickel or cobalt. An interior space is provided between the cathode side and the anode side of a bipolar electrode. The electrolyte can fl...
02/24/1998
5433797Nanocrystalline metals
A process for producing nanocrystalline materials, and in particular nanocrystalline nickel having an average grain size of less than about 11 nanometers and ternary and quaternary nickel-iron alloys, such as NiFeCr and NiFeCrMn alloys, having a grain siz...
07/18/1995
5194140Electroplating composition and process
The invention presented relates to (a) novel complexes of cobalt salts and copolymers of maleic anhydride, ethylenediamine and epichlorohydrin; (b) electroplating compositions for deposit of zinc-cobalt alloys wherein the cobalt is employed in the form of...
03/16/1993
4916098Process and apparatus for manufacturing an electrocatalytic electrode
A process and an apparatus for manufacturing electrocatalytic electrodes. The process comprises the steps of immersing a substrate in a plating bath containing metal ions and electrocatalytic material in particles form, such as Ni, NiAl, and CoAl, among o...
04/10/1990
4808279Process for preparing magnetic recording material
The invention provides a process for preparing magnetic recording material by depositing ferromagnetic material in particulate form into an aluminum substrate. The aluminum substrate is prepared by cleaning an aluminum or aluminum metal containing substra...
02/28/1989
4526968Quaternary aminehydroxypropane sulfobetaines
A aqueous electroplating bath for nickel, cobalt, nickel-cobalt, nickel-iron, cobalt-iron or nickel-cobalt-iron is described which contains, as a brightening agent, a quaternary amine sulfobetaine of the formula ##STR1## wherein N+ ...
07/02/1985
4473447Method of manufacturing absorption layers for solar energy systems and bath therefor
Method for manufacturing solar absorption layers by electrodeposition of heavy metals, such as Ni and Co, from aqueous citrate solutions. The heavy metal citrates are produced by direct reaction of metal oxides or carbonates with citric acid. The electrol...
09/25/1984
4430171Electroplating baths for nickel, iron, cobalt and alloys thereof
An aqueous electroplating bath for nickel, cobalt, nickel-cobalt, nickel-iron, cobalt-iron or nickel-cobalt-iron is described which contains, as a brightening agent, a quaternary amine sulfobetaine of the formula ##STR1## wherein N+ i...
02/07/1984
4412892Pretreatment of superalloys and stainless steels for electroplating
Process for activating surfaces of superalloys and stainless steels prior to electroplating a metal such as chromium thereon, whereby a metal deposit having excellent adhesion to the substrate is obtained. The article is activated by anodic etching in a n...
11/01/1983
4388367Perpendicular magnetic recording medium and fabrication
A method for producing a continuous thin film magnetic medium by electrochemical plating deposition, useful for perpendicular recording. The plated medium comprises a substrate upon which is deposited a thin magnetic layer consisting of acicular shaped cr...
06/14/1983
4388159Surface preparation of aluminum articles
The surfaces of aluminum and aluminum alloy articles, when abraded with a low-density abrasive product in the presence of a lower alcohol such as isopropanol, are readily plated or coated to provide a uniform plating or coating. The process is particularl...
06/14/1983
4379738Electroplating zinc
An electroplating process is described for plating various metals and alloys in which certain organic substances are added to the plating solution. This permits high plating rates with excellent plating results, including smooth bright finishes, freedom f...
04/12/1983
4377449Electrolytic silver plating
A silver electroplating bath comprising heterocyclic organic additives such as lactones, lactams, cyclic sulfate esters, cyclic imides and cyclic oxazolinones, preferably phenolphthalein....
03/22/1983
4377448Electrolytic gold plating
A gold electroplating bath comprising heterocyclic organic compounds such as lactones, lactams, cyclic sulfate esters, cyclic imides and cyclic oxazolinones....
03/22/1983
4310392Electrolytic plating
The electroplating of various metals such as zinc, copper, cadmium, chromium, nickel cobalt, gold, silver, palladium, platinum, ruthenium and alloys of such metals takes place from electrolytes comprising heterocyclic additives such as lactones, lactams, ...
01/12/1982
4183790Electrolytic method of producing an active cobalt electrode for the evolution of hydrogen
A method of producing a cobalt plated electrode is disclosed. The method comprises subjecting an electrically conductive substrate to electrolytic plating in an aqueous bath containing cobalt ions and a reducing agent selected from the group consisting of...
01/15/1980
4183789Anode bag benefaction
In accordance with certain of its aspects this invention relates to a process and composition for the prevention of anode bag clogging in the preparation of an electrodeposit which contains nickel or; binary or ternary alloys of the metals selected from n...
01/15/1980
4164456Electrolytic process
The limiting current density is increased without detrimentally affecting the quality of the metal deposit in an electrolytic process employing an electrolyte containing a dissolved metal sulfate, by adding sufficient quantities of the metal sulfate in a ...
08/14/1979
4160704In situ reduction of electrode overvoltage
A method and apparatus for in situ reduction of cathode overvoltage in electrolytic cells. The method involves introducing low overvoltage or noble metal ions into the catholyte solution and plating those ions on the cathode in situ. The apparatus include...
07/10/1979
4111760Method and electrolyte for the electrodeposition of cobalt and cobalt-base alloys in the presence of an insoluble anode
The formation of insoluble oxide precipitates during the electrodeposition f cobalt and cobalt-base alloys from an acidic aqueous cobalt sulfate electrolyte in the presence of an insoluble anode is suppressed by adding the salt or oxide of a metal selected...
09/05/1978
4101388Prevention of anode bag clogging in nickel iron plating
This invention relates to a process and composition for the preparation of an electrodeposit which contains at least one metal selected from the group consisting of nickel, cobalt and iron, which comprises passing current from an anode to a cathode throug...
07/18/1978
4069112Electroplating of nickel, cobalt, mutual alloys thereof or ternary alloys thereof with iron
This invention relates to a process and composition for the preparation of an electro-deposit which contains; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys of the metals selected from nickel, iron,...
01/17/1978
4053373Electroplating of nickel, cobalt, nickel-cobalt, nickel-iron, cobalt-iron and nickel-iron-cobalt deposits
In accordance with certain of its aspects this invention relates to a process and composition for the preparation of an electrodeposit which contains; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys ...
10/11/1977
4046647Additive for improved electroplating process
This invention relates to a process and composition for the preparation of an electrodeposit which contains; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys of the metals selected from nickel, iron, ...
09/06/1977
4036709Electroplating nickel, cobalt, nickel-cobalt alloys and binary or ternary alloys of nickel, cobalt and iron
This invention relates to a process and composition for the preparation of an electrodeposit which contains; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys of the metals selected from nickel, iron, ...
07/19/1977
4016051Additives for bright plating nickel, cobalt and nickel-cobalt alloys
An acidic aqueous solution for use in bright nickel, cobalt, or nickel-cobalt alloy electroplating which includes nickel, cobalt, or nickel-cobalt ions respectively, and at least 0.005 but not exceeding 0.3 grams per liter of the solution consisting of di...
04/05/1977
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