Patents
Sitemap › C23 - Coating metallic material; Coating material with metallic material; Chemical surface treatment; Diffusion treatment of metallic material; Coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general; Inhibiting corrosion of metallic material or incrustation in general › C23C - Coating metallic material; Coating material with metallic material; Surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; Coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general › C23C 8 - Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
Patents for C23C 8 - Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (10,951)
01/1999
01/07/1999DE19829309A1 Thermal oxide film production on silicon carbide
12/1998
12/30/1998EP0886684A1 Lubricated steel sheet
12/30/1998EP0720664B1 Method of treating at least one component made of weakly magnetic material
12/29/1998US5854495 Preparation of nucleated silicon surfaces
12/29/1998US5853502 Carburizing steel and steel products manufactured making use of the carburizing steel
12/29/1998US5853249 Rolling contact bearing
12/24/1998DE19726363A1 Compound material
12/23/1998WO1998058100A1 Method and device for vacuum-coating a substrate
12/23/1998EP0885980A2 Process for forming a superficial layer having a high hardness by plasma-free thermochemical treatment
12/23/1998EP0885315A1 Misted precursor deposition apparatus and method with improved mist and mist flow
12/23/1998EP0763146B1 LOW TEMPERATURE PLASMA-ENHANCED FORMATION OF TiN FILMS
12/22/1998US5851315 Process for producing radioisotope source
12/22/1998US5851314 Method for plasma carburization of metal workpieces
12/22/1998US5851313 Case-hardened stainless steel bearing component and process and manufacturing the same
12/17/1998DE19826259A1 Plasma CVD process application
12/16/1998EP0884399A1 Process for the manufacturing of a steel spring, the obtained product and the steel used for manufacturing said spring
12/16/1998CN1041219C Surface hardening treatment method for inner wall of long cylinder
12/15/1998US5849158 Ion nitrided creping doctor blade
12/10/1998DE19825054A1 Surface treatment by electric discharge
12/09/1998EP0882811A1 Method of carburizing metallic workpieces in a vacuum furnace
12/09/1998CN1041117C Hard austenitic stainless steel screw and process for making same
12/08/1998US5846341 Method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge and a device for carrying out the said method
12/03/1998WO1998054374A1 Gold-tone needles and method of producing the same
12/03/1998WO1998054371A1 Method for continuous manufacture of a steel band for drawing with improved surface properties
12/02/1998EP0880369A2 Surface modification of medical implants
12/01/1998US5843528 Chemically modified carbonaceous materials made by the defluorination of graphite fluoride and process therefor
12/01/1998US5843289 Surface modification of medical implants
12/01/1998CA2026902C Process for nitrocarburizing components made from steel
11/1998
11/26/1998WO1998053114A1 Method for covering a component with a corrosion inhibiting foreign oxide coating and component covered with one such coating
11/26/1998DE19721114A1 Two stage oxide layer production on silicon carbide
11/25/1998EP0724458B1 Novel cobalt chrome alloys and preparation
11/24/1998US5841033 Process for improving fatigue resistance of a component by tailoring compressive residual stress profile, and article
11/24/1998US5840368 Apparatus for forming low-temperature oxide films and method of forming low-temperature oxide films
11/24/1998US5840132 Lubricated boride surfaces
11/19/1998WO1998052200A1 HIGH STRENGTH, DUCTILE, Co-Fe-C SOFT MAGNETIC ALLOY
11/19/1998WO1998051831A1 Titanium based carbonitride alloy with nitrided surface zone
11/19/1998CA2290578A1 High strength, ductile, co-fe-c soft magnetic alloy
11/18/1998EP0878334A1 Stabilizer
11/18/1998EP0750684A4 Composite article, alloy and method
11/12/1998WO1998050596A1 Method for manufacturing precision gears and a masking tool useful in practicing the method
11/12/1998WO1998050594A1 Steel compositions and methods of processing for producing cold-formed and carburized components with fine-grained microstructures
11/12/1998DE19719722A1 Long high temperature superconductor product manufacture
11/11/1998EP0876516A1 Process for producing wear-resistant boride layers on metal material surfaces
11/11/1998CN1198478A Steel structure unit used under hot or warm condition and production method thereof
11/10/1998US5834379 Radio frequency plasma assisted nitriding of gallium arsenide substrate with ammonia gas yields gallium nitride surface layer for thin electrical films or membranes; semiconductors, light emitting diodes, high energy power sources
11/10/1998US5834374 Method for controlling tensile and compressive stresses and mechanical problems in thin films on substrates
11/10/1998US5833918 Heat treatment by plasma electron heating and solid/gas jet cooling
11/10/1998US5833838 Prevention of coking and carburization during hydrocarbon catalytic cracking by coating steel reactor tube with nonpeeling coating of nonoxidized chromium bonded to surface with carbide intermediate layer
11/04/1998EP0875590A1 Nitriding steel
11/04/1998EP0784714B1 Low surface energy coatings
11/03/1998US5830540 Method and apparatus for reactive plasma surfacing
11/03/1998US5830532 In vacuum; controlling oxygen concentration
11/03/1998US5830284 Method and device for the heat treatment of workpieces
10/1998
10/28/1998CN2295764Y Continuous rare earth accelarator feeding unit of air status controlling carburizing apparatus
10/28/1998CN1197036A Process for heat treatment of iron-based metal parts in active atmosphere with high potential of carbon
10/28/1998CN1040463C Purification process for urea synthetizing with metal surfaces and its treatment equipment
10/27/1998US5828582 Automatic control of endothermic gas generators using low cost oxygen sensing probes
10/27/1998US5828175 Circuitry for operating a glow discharge path
10/27/1998US5827572 Heat treating sintered zirconia compacts or composites in nitrogen atmosphere to form protective surface nitride layer, low temperature stability, high strength, toughness, mechanical properties
10/27/1998US5827375 Process for carburizing ferrous metal parts
10/22/1998WO1998046803A1 Unidirectional electromagnetic steel sheet having excellent film characteristics and magnetic characteristics, its production method and decarburization annealing setup therefor
10/21/1998EP0872569A1 Nitriding process and nitriding furnace thereof
10/21/1998EP0872159A1 Metallic high temperature resistant material and a method of producing it
10/21/1998EP0871565A2 Process for preparing an insulated multilayer structure
10/20/1998US5823763 Combustion device and method for use in a thermal oxidation furnace
10/15/1998DE19704871C1 Hardening hollow cold extruded steel shaft
10/14/1998EP0583473B1 Method and device for treatment of articles in gas-discharge plasma
10/14/1998CN1195711A 'Quick-acting gas carbonizing' method for chain part heat treatment
10/08/1998WO1998044270A1 Rolling bearing
10/08/1998DE19814453A1 Corrosion resistant copper material
10/08/1998DE19714306A1 Case hardening of sintered molybdenum-containing steel parts
10/07/1998CN1040136C Method of drying metal for making inner surface of gaseous container and treated container
10/06/1998US5817424 Electrolytic and abrasive polishing; baking
10/01/1998WO1998043284A1 Titanium metal treatment method, method of forming an electrically conductive interconnect, and method of reducing contact resistance of an elemental titanium contact
10/01/1998WO1998042889A1 Polishing-finished stainless steel sheet having excellent stain removability, and production method thereof
10/01/1998WO1998042390A1 Method of surface oxidizing zirconium alloys and resulting product
10/01/1998DE19721080C1 Corrosion protective coating especially of nuclear plant component
09/1998
09/30/1998EP0867524A1 Method for masking a portion of metal to be carburized or nitrided
09/29/1998US5814164 Thin-walled, monolithic iron oxide structures made from steels, and methods for manufacturing such structures
09/24/1998DE19736514C1 Combined oxidation and heat treatment of ferrous metal parts
09/23/1998EP0784712A4 Thin-walled, monolithic iron oxide structures made from steels, and methods for manufacturing such structures
09/23/1998CN2292262Y Carburetor for carburizing furnace
09/23/1998CN1039925C Process for passivating metal surfaces to enhance the stability
09/22/1998US5811195 Corrosion-resistant aluminum article for semiconductor processing equipment
09/22/1998US5811021 Plasma assisted chemical transport method and apparatus
09/22/1998US5810947 Nitriding before coating with a chromium nitride film
09/17/1998WO1998040534A1 Method of reducing metal contamination during semiconductor processing in a reactor having metal components
09/15/1998US5806337 Absorption refrigerator and production method thereof
09/09/1998EP0862662A1 Plasma-assisted thermochemical surface-treatment method, installation for carrying out the method and use of the method and installation
09/09/1998CN1192844A Metallic high temp. resistant material and a method of producing same
09/08/1998US5804482 Diffusing dopant to the surface of silicon carbide layer, highly doping surface layer of silicon carbide prior first diffusion to control the diffusion of dopant under surface layer portion
09/08/1998US5804263 Exposing to glow discharge plasma to activate surface, exposing to ethylenically unsaturated monomers, irradiating
09/03/1998WO1998038128A1 Production method of iron carbide
09/03/1998CA2276574A1 Production method of iron carbide
09/02/1998EP0861907A2 Process for producing a bearing component
09/02/1998EP0861338A1 Surface treatment method and device therefor
09/02/1998CN1191885A Producing process of carrier gas for carburize cementation
09/01/1998US5800728 Permanent magnetic material made of iron-rare earth metal alloy
09/01/1998US5800637 Steel alloy of carbon, chromium, vanadium, molybdenum and iron
08/1998
08/27/1998WO1998037579A1 Process of tungsten chemical vapor deposition onto titanium nitride substrate
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