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6875334 |
Method of anodizing of magnesium and magnesium alloys and producing conductive layers on an anodized surface
A method, a composition and a method for making the composition for anodizing metal surfaces, especially magnesium surfaces is disclosed. The composition is a basic aqueous solution including...
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6410886 |
Nitinol heater elements
An electrical resistive heating system having a Nitinol heater element in the form of wire, rod strip or tube, is flexible, ductile, tough aid chemically non-reactive. The element has connectors at...
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6033492 |
Composition and process for autodeposition with modifying rinse of wet autodeposited coating film
The uniformity of gloss of a dried autodeposited resin film on a metal surface can be increased by rinsing the wet autodeposited film initially formed with an aqueous modifying rinse having a pH...
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5769966 |
Insulator coating for high temperature alloys method for producing insulator coating for high temperature alloys
A method for fabricating an electrically insulating coating on a surface is disclosed comprising coating the surface with a metal, and reacting the metal coated surface with a nonmetal so as to...
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5558724 |
Method of insulating a magnetic lamination
A method for making a lamination insulated by iron-manganese phosphate comprises the following operations: 1. The lamination is treated with an acid or basic medium to eliminate the surface...
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5456767 |
Corrosion inhibition with bilayer-forming surfactants
A method for inhibiting corrosion of a metal surface in a liquid medium is described. The method comprises incorporating into the medium a corrosion inhibiting amount of a combination of a...
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5147827 |
Method for producing a passivation film of InP compound semiconductor
A device such as a phototransistor, a photodiode, a laser diode or the like including a compound semiconductor coated with a stable passivation film to reduce leakage current is disclosed. The...
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5098485 |
Method of making electrically insulating metallic oxides electrically conductive
A method of making an electrical contact to a metal on which an electrically insulating native oxide is formed includes applying atoms or ions to the native oxide, heating the metal and oxide to a...
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4904315 |
Method for improving magnesium oxide steel coatings using non-aqueous solvents
This invention is directed to non-aqueous magnesium oxide slurries and the use thereof to coat silicon steels prior to high temperature annealing.
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4830877 |
Compositions for forming insulating films on electromagnetic steel plates and methods for making the same
The present invention provides an insulating film-forming composition in which a mixed resinous liquid obtained from a specific proportion of an aqueous emulsion of an acrylic resin and/or an...
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4756933 |
Process of applying an insulating layer
A process is disclosed for applying to sheet steel an electrically insulating layer which permits mainly a satisfactory welding of the sheets when they have been blanked and stacked. The sheet...
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RE31967 |
Gang bonding interconnect tape for semiconductive devices and method of making same
A gang bonding interconnect tape for use in an automatic bonding machine for gang bonding of semiconductive devices is fabricated by depositing a series of electrically insulative support...
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4498936 |
Insulative coating composition for electrical steels
An insulative coating composition for electrical steels containing Al + ++, Mg + +, H 2 PO 4 - and aluminum silicate in specified proportions, in the form of a stable aqueous suspension which...
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4496399 |
Method and aqueous coating compositions for forming anti-stick and insulative coatings on semi-processed and fully-processed electrical steels
A method and aqueous coating composition for forming an anti-stick and insulative coating on cold-rolled, non-oriented, semi-processed steel; cold-rolled, non-oriented, fully-processed steel;...
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4451299 |
High temperature coatings by surface melting
The high temperature properties of protective coatings, paricularly the oxidation resistance, is improved by the melting of a surface portion of the coating using a high intensity energy source....
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4367101 |
Method of providing an anti-stick coating on non-oriented, semi-processed electrical steels to be subjected to a quality anneal
A process of providing an inorganic anti-stick coating directly on non-oriented, semi-processed electrical steels by applying to such steels a coating solution containing Al + ++, Mg + +, and H 2 ...
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4347085 |
Insulative coatings for electrical steels
An aqueous coating solution for forming an insulative coating directly on electrical steels and on steels having a mill glass thereon. The aqueous solution comprises an aluminum-magnesium phosphate...
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4316751 |
Electrical resistance coating for steel
Disclosed is a process for applying an electrical insulating coating onto a ferrous metal surface and the ferrous metal surface with the coating thereon. The insulating coating comprises phosphate...
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4295899 |
Process for coating iron and steel
A composition and process are useful for imparting a coating to an iron or steel surface which exhibits decorative and improved electrical and corrosion resistance properties. The composition...
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4238534 |
Method for forming a heat-resistant coating on an oriented silicon steel sheet
A heat-resistant insulating coating having a high adhesion can be formed on an oriented silicon steel sheet by the use of an aqueous coating dispersion containing colloidal silica dispersed...
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4213792 |
Coating solution for applying tensioning coatings to electrical steel strip
A coating solution for forming on electrical steel strips an electrical insulation coating for tensioning the strip, contains on a dry weight basis for every 100 parts by weight of phosphoric acid,...
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4120702 |
Treating a silicon steel material having a silicate protective coating thereon with an aqueous solution containing phosphates to form a further protective coating
Silicon steel sheets which have a silicate protective coating are further protected by being first coated with an aqueous solution containing (1) phosphate ions, (2) silica grains, (3) iron and/or...
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4026734 |
Method of coating titanium
A process for treating the surfaces of a titanium or titanium alloy article which comprises immersing the titanium article in an aqueous solution of ammonium phosphate and then oxidizing the...
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3996073 |
Insulative coating for electrical steels
Insulative coatings for electrical steels and methods of making them. The coatings are hard, glassy and smooth in nature, are easily cured and improve the magnetic characteristics of the electrical...
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3985583 |
Method for forming an insulating coating on an oriented silicon steel sheet
An insulating coating having a high adhesion on an oriented silicon steel sheet, which applies a tension on the surface of the steel sheet and restrains magnetostriction increased when compressive...
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3940291 |
Insulative coatings for electrical steels
Insulative coatings for electrical steels having improved resistance to deterioration during stress relief anneals or other heat treatments carried on in reducing atmospheres. They may be produced...
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3930897 |
Method of treating an object of silicon steel provided with an insulating protective coating of silicate with a solution of phosphate
An object of silicon steel, such as sheet and strip for motors, generators and transformers, which has an insulating coating of silicate, is provided with a solution of phosphate by applying to the...
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3869317 |
Producing protective coatings on metal
The process for the production of a protectively coated metal object which comprises applying to said metal object at least one condensable phosphate selected from the group consisting of alkali...
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3840378 |
INSULATIVE COATINGS FOR ELECTRICAL STEELS
Insulative coatings for electrical steels having improved resistance to deterioration during stress relief anneals or other heat treatments carried on in reducing atmospheres. They may be produced...
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3793073 |
ELECTRICAL STEEL SHEETS AND STRIPS HAVING EXCELLENT PUNCHING AND WELDING CHARACTERISTICS FOR THE USE OF A LAMINATED IRON CORE
Electrical steel sheets and strips having excellent punching and welding characteristics for production of a laminated iron core, which comprises an organic type coating film applied on the surface...
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3658587 |
ELECTRICAL INSULATION COATING SATURATED WITH MAGNESIUM AND/OR CALCIUM IONS
A composition for providing an electrically insulative coating on electrical alloys having a high permeability and a low core loss which consists essentially of an aqueous solution containing...
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3649356 |
ELECTRICAL INSULATING-LAYER PROCESS
A first electrical conductor body is cooled to below 100° K. in a vacuum chamber. The chamber is then pressurized with oxygen and after a period of time a glow discharge is established in the...
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3477881 |
PROCESS FOR THE FORMATION OF ELECTRIC INSULATING COATING ON ELECTRIC IRON SHEET
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3421949 |
COMPOSITION AND PROCESS FOR PRODUCING AN ELECTRICALLY RESISTANT COATING ON FERROUS SURFACES
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3421925 |
METHOD FOR PRODUCING IMPROVED METALLIC STRIP MATERIAL
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3251719 |
Method of coating metals with a boride
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3214302 |
Method for forming insulating coatings on metal surfaces
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3213302 |
Insulated metallic articles
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3210316 |
Paint containing aluminum pigment coated with an electrically insulating coating
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3207636 |
Method for coating silicon steel transformer sheets and composition
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3150015 |
Insulation for silicon steel
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3144364 |
Induction annealing of magnetic alloy sheet
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3140204 |
Method of inactivating metal surfaces
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3138492 |
Insulating coating for magnetic steel
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3121038 |
Method of providing a high resistance insulation coating for a conductor in a sheath
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3114661 |
Process for producing core laminations
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2980561 |
Method of producing improved magnetic steel strip
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2979430 |
Heat resistant phosphate coatings, methods and articles produced therefrom
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2909454 |
Process for producing core-plated electrical steel strip
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2906649 |
Heat-resistant electric insulation and method of manufacture
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