| 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) |
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| 11/20/2002 | EP1129231B1 Method for vacuum coating metal components |
| 11/20/2002 | EP1115895B1 Method for treating, by nitriding, a silicon substrate for forming a thin insulating layer |
| 11/20/2002 | EP1095170B1 Low temperature case hardening processes |
| 11/20/2002 | EP0996757B1 Titanium based carbonitride alloy with nitrided surface zone |
| 11/20/2002 | CN1380856A Tableware and method for surface treatment thereof, substrate having hard decorative coating film and method for production thereof, and cutlery |
| 11/20/2002 | CN1380457A 缝纫机零件 Sewing Machine Parts |
| 11/20/2002 | CN1380450A Surface treatment method of tantalum sprayer for wet spinning |
| 11/20/2002 | CN1380438A Diamond cementation treatment process on steel surface |
| 11/19/2002 | US6482528 Nickel-base alloy product and method of producing the same |
| 11/19/2002 | US6482272 Using sulfur and,or phosphorous compound |
| 11/14/2002 | WO2002091452A2 Methods of forming a nitridated surface on a metallic layer and products produced thereby |
| 11/14/2002 | US20020168847 Generating remote nitrogen containing plasma and flowing activated nitrogen species from remote site to location of metallic layer where it reacts with metal to form nitride |
| 11/14/2002 | US20020166608 Methods and devices utilizing the ammonium termination of silicon dioxide films |
| 11/14/2002 | US20020166607 Steel parts are carburized with a carbon releasing gas at a pressure below 500 mbars and are subsequently nitrided with a nitrogen releasing gas comprising ammonia; nitrogen releasing gas is fed intotreating chamber at end of carburization phase |
| 11/14/2002 | US20020166606 Forming metal substrate, nitriding the substrate to form an oxide layer, and subsequently applying nitride or carbonitride compound of titanium, zirconium, or aluminum |
| 11/13/2002 | EP1255624A2 Nickel powder for use as electrodes in base metal electrode multilayered ceramic capacitors |
| 11/12/2002 | US6478888 Preheat method for EBPVD coating |
| 11/12/2002 | US6478887 Boronized wear-resistant materials and methods thereof |
| 11/07/2002 | WO2002088424A1 Unidirectional silicon steel sheet excellent in adhesion of insulating coating film imparting tensile force |
| 11/07/2002 | US20020162523 Sliding member and method of manufacturing thereof |
| 11/07/2002 | US20020162506 Cleaning a semiconductor wafer by mounting on a wafer holding chuck with a rotating motion, a reservoir comprising cleaning chemicals and cylindrical brush |
| 11/06/2002 | EP1254968A1 Material treatment for reduced cutting energy and improved temperature capability of honeycomb seals |
| 11/06/2002 | EP0783328B1 Method of improving mechanical heart valve prostheses and other medical inserts, and products manufactured in accordance with the method |
| 11/05/2002 | US6475310 Oxidation resistant alloys, method for producing oxidation resistant alloys |
| 10/31/2002 | US20020160235 Method of coating a metal substrate |
| 10/31/2002 | US20020158417 Material treatment for reduced cutting energy and improved temperature capability of honeycomb seals |
| 10/31/2002 | DE10111109A1 Verfahren zum Herstellen einer Titanfolie mit nitrierter Oberflächenbeschichtung A method for producing a titanium film having a nitrided surface coating |
| 10/30/2002 | CN2518871Y Power-supply power amplifier for low-cost plasma metal surface reinforcing treatment device |
| 10/30/2002 | CN1377297A Apparatus and methods for the production of powders |
| 10/30/2002 | CN1376810A Cementation process and apparatus |
| 10/29/2002 | US6472018 Diffusion aluminide bondcoat has higher concentration of al and lower concentration of refractory metal at outermost region, abrasion, heat treated to thermally grow a stable alumina layer, ceramic layer; insulation for gas turbine |
| 10/29/2002 | US6471848 Uniformly forming such as zinc oxide film on stainless steel beltlike plate suitable for reflective layer of solar cells by preventing drying along transporting path using a water rinse |
| 10/29/2002 | US6471790 Carburization or boriding while in solid state without detrimental effects of adding more carbon prior to casting; forming secondary carbides of chromium and hafnium; turbines |
| 10/29/2002 | US6471787 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 10/29/2002 | CA2133722C Case nitrided aluminum product, process for case nitriding the same, and nitriding agent for the same |
| 10/24/2002 | WO2002084708A2 Method of forming semiconductor compound film for fabrication of electronic device and film produced by same |
| 10/24/2002 | WO2002083959A1 Steel material prodction method |
| 10/24/2002 | WO2002083286A1 Titanium alloy vacuum container and vacuum part |
| 10/24/2002 | US20020155702 Manufacturing method of semiconductor device |
| 10/24/2002 | US20020155306 Surface treatment; forming oxide |
| 10/24/2002 | US20020155018 Air-hardening, low to medium carbon steel for improved heat treatment |
| 10/24/2002 | US20020152961 Preheat method for EBPVD coating |
| 10/24/2002 | DE10118494A1 Verfahren und Vorrichtung zur Niederdruck-Carbonitrierung von Stahlteilen Method and apparatus for low-pressure carbonitriding of steel parts |
| 10/23/2002 | CN1093246C Adsorption refrigerator and production method thereof |
| 10/22/2002 | US6468679 Metal matrix and a gradient composite layer including both metal sulfide and metal oxide on the surface |
| 10/22/2002 | US6468366 Aluminum alloy or composite with such as magnesium wherein the concentration of aluminum is higher at surface nitrided portion; corrosion resistance; wiring for semiconductors and liquid crystal panels |
| 10/17/2002 | DE10103460A1 Mehrschichtige Plasmapolymerbeschichtung Verfahren zu ihrer Herstellung und ihre Verwendung Multi-layer plasma polymer coating process for their preparation and their use |
| 10/15/2002 | US6464948 Airtight process chamber with substrate support; exhaust system; oxygen supplied, ozone generator connected to the process chamber via gas supply line; ozone concentration set using feedback from ozone densitometer |
| 10/09/2002 | EP1247875A2 Process and apparatus for low pressure carbonitriding of steel parts |
| 10/09/2002 | CN1092161C Thin walled monolithic iron oxide structure made from steel, and method for mfg. same |
| 10/08/2002 | US6461448 Low temperature case hardening processes |
| 10/03/2002 | US20020139776 Combination of hydrofluoric acid and ammonium fluoride |
| 10/03/2002 | US20020139451 Non-heat treated steel for soft nitriding |
| 10/03/2002 | US20020139445 Method of manufacturing laminated ring and molten salt composition for use in such method |
| 10/03/2002 | US20020139444 Grain-oriented electrical steel sheet excellent in film characteristics and magnetic characteristics, process for producing same, and decarburization annealing facility used in same process |
| 10/03/2002 | US20020139304 Semiconductor manufacturing apparatus |
| 10/02/2002 | EP1245691A2 Mask material |
| 10/02/2002 | EP1245409A1 Tableware and method for surface treatment thereof, substrate having hard decorative coating film and method for production thereof, and cutlery |
| 10/02/2002 | CN1372313A Method for making semiconductor device |
| 10/01/2002 | US6458431 Embedding particles; photochemistry |
| 10/01/2002 | US6458218 Deposition and thermal diffusion of borides and carbides of refractory metals |
| 09/26/2002 | WO2002075013A1 Steel material and method for preparation thereof |
| 09/26/2002 | US20020134467 For steel member; analyzing thermoconductivity under pressurized carbon monoxide |
| 09/26/2002 | DE10065924A1 Metallic component used for a steam power plant comprises a protective layer containing aluminum and further elements and/or an aluminum alloy |
| 09/25/2002 | EP1243815A2 High strength gear and method of producing the same |
| 09/25/2002 | EP1169492B1 Method of producing thin, poorly soluble coatings |
| 09/24/2002 | US6454880 Material for die casting tooling components, method for making same, and tooling components made from the material and process |
| 09/24/2002 | US6454877 Laser phase transformation and ion implantation in metals |
| 09/19/2002 | WO2002072344A2 Method for producing a titanium film comprising a nitride surface coating |
| 09/19/2002 | WO2002022910A3 Surface on a stainless steel |
| 09/19/2002 | WO2002022908A3 Process of treating stainless steel |
| 09/19/2002 | WO2002009884A3 Methods for the lithographic deposition of materials containing nanoparticles |
| 09/19/2002 | US20020132493 Method to reduce charge interface traps and channel hot carrier degradation |
| 09/18/2002 | EP1032720A4 Method of and device for producing carbide and carbon solid solution containing surface layers |
| 09/18/2002 | CN1369571A Dual-phase anticorrosion processing process for ferrous metal material and its workpiece |
| 09/18/2002 | CN1091170C Process and appts. for heat treatment |
| 09/17/2002 | US6451137 Surface hardness; high pressure air flow |
| 09/17/2002 | US6451130 Method for forming Cr2O3 film on stainless steel surface |
| 09/17/2002 | US6451129 Titanium-base decoration member and method for curing the same |
| 09/17/2002 | US6450116 Apparatus for exposing a substrate to plasma radicals |
| 09/12/2002 | WO2002070909A1 Rolling bearing with nitriding steel cylindrical rolling elements |
| 09/12/2002 | WO2002070775A1 Chemical vapour infiltration method for densifying porous substrates having a central passage |
| 09/12/2002 | DE10207148A1 Kolbenring Piston ring |
| 09/12/2002 | DE10110954A1 Production of workpieces, especially tail section of projectile, made from alloyed steel, involves feeding oxygen into oven during annealing of workpiece |
| 09/12/2002 | DE10109565A1 Verfahren und Vorrichtung zur partiellen thermochemischen Vakuumbehandlung von metallischen Werkstücken Method and apparatus for partial thermochemical vacuum treatment of metallic workpieces |
| 09/12/2002 | DE10109312A1 Verschleißfeste Austenite Wear-resistant austenitic steels |
| 09/12/2002 | CA2440123A1 Rolling bearing with nitriding steel cylindrical rolling elements |
| 09/10/2002 | US6447619 High surface pressure resistant steel parts and methods of producing same |
| 09/10/2002 | US6447550 Altered surface roughness such that subsequent oxidation results in a uniformly thick oxide coating; orthopedic implants;low friction, highly wear resistant surfaces, hip joints, knee joints, elbows |
| 09/06/2002 | WO2002068708A1 Method for increasing the hardness and resistance to wear of parts, particularly those made of austenitic nickel alloys |
| 09/06/2002 | WO2002068707A1 Low-pressure carburising method |
| 09/05/2002 | US20020121461 Wherein a Cr oxide layer is formed on at least a part of the surface of steel material making the reformer produces no red scale through water vapor oxidation of the surface of steel material making the reformer |
| 09/05/2002 | US20020121021 Bearing parts for cylindrical roller bearing and needle roller bearing |
| 09/05/2002 | DE10118029C1 Process for the thermo-chemical pre-treatment of metallic workpieces, especially case hardening steel is carried out in an atmosphere containing hydrogen and hydrogen-containing gases to which oxygen and air are added |
| 09/05/2002 | DE10107810A1 Vorrichtung zum partiellen Aufkohlen von Bauteilen Apparatus for partial carburization of components |
| 09/04/2002 | EP1236810A1 Process and apparatus for the partial thermochemical treatment of metallic workpieces |
| 09/04/2002 | EP1236378A1 A method of producing electrically resistive heating elements composed of semi-conductive metal oxides and resistive elements so produced |
| 09/04/2002 | EP1235943A1 PRODUCT MADE FROM AN ALLOY CONTAINING ONE OR MORE OF Cr, Al, Si, Ti, M AND SOCALLED ODE AND METHOD TO PRODUCE SAID PRODUCT |
| 09/04/2002 | EP1163063A4 Hardened steel security materials |
| 09/04/2002 | CN1367849A Light alloy-based composite protective multifunction coating |