| Patents for C30B 33 - After-treatment of single crystals or homogeneous polycrystalline material with defined structure (6,009) |
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| 03/24/1992 | US5099122 Method for evaluation of transition region of silicon epitaxial wafer |
| 03/18/1992 | EP0475378A1 Process for making substratus for electronic, electro-optic and optical devices |
| 03/18/1992 | CN1059570A Mono-domain method of monocrystal potassium iodate |
| 03/17/1992 | US5096839 Two step heat treatment |
| 03/03/1992 | US5093284 Covering gallium arsenide with gallium oxide powder; heat treatment; cooling |
| 03/03/1992 | CA1296587C Substrate tailored coatings |
| 02/05/1992 | CN1058433A Optical dioptric device of barium strontium crystal and making method thereof |
| 01/28/1992 | US5084909 Method of processing gemstones to enhance their color |
| 01/21/1992 | US5082693 Precursors for boron nitride ceramic coatings |
| 01/21/1992 | CA1294695C Diamond laser and method of producing the same and method of acting the same |
| 01/14/1992 | US5080039 Processing apparatus |
| 01/08/1992 | EP0465185A1 Vacuum processing method and apparatus |
| 12/31/1991 | US5077141 High strength nickel base single crystal alloys having enhanced solid solution strength and methods for making same |
| 12/24/1991 | US5074925 Thermomechanical fabrication of net shape single crystal airfoils |
| 12/17/1991 | US5073209 Process embodiments for improving the electrical properties of conductors |
| 11/26/1991 | US5067218 Vacuum wafer transport and processing system and method using a plurality of wafer transport arms |
| 11/13/1991 | EP0456060A1 Process for bonding synthetic singel crystals |
| 11/13/1991 | EP0455981A1 Method of forming crystals |
| 11/06/1991 | EP0455325A1 Single crystals of semi-insulating indium phosphide and processes for making them |
| 10/30/1991 | EP0454489A2 Controlled thallous oxide evaporation for thallium superconductor films and reactor design |
| 10/16/1991 | EP0451789A1 Method of forming semiconductor thin film |
| 10/15/1991 | US5057668 Device for the implementation of a curing process at a semiconductor wafer and method for curing a semiconductor wafer |
| 10/09/1991 | EP0450645A1 An infrared optical fiber and a method of manufacturing the same |
| 10/09/1991 | EP0450579A2 Monocrystal ingot attitude-adjusting/surface-grinding/conveying apparatus |
| 10/01/1991 | US5053385 Preferential orientation of metal oxide superconducting materials |
| 09/11/1991 | EP0445930A1 Lithium niobate etchant |
| 09/10/1991 | US5047370 Method for producing compound semiconductor single crystal substrates |
| 09/10/1991 | US5047091 Nickel based monocrystalline superalloy, method of heat treating said alloy, and parts made therefrom |
| 09/04/1991 | EP0444426A1 Silicon carbide whisker-reinforced silicon nitride composite material and process for producing the same |
| 09/03/1991 | US5045528 Polycrystalline oxide structure of single crystals, large critical current density |
| 08/13/1991 | US5039561 Vapor deposition of organic compound, then vacuum annealing yields layer of uniform crystalline particles |
| 07/30/1991 | US5035771 Etching to increase surface area, embedding in metal powder, reacting with hydrogen gas stream |
| 07/25/1991 | WO1991011022A1 Purification of semiconductor material |
| 07/16/1991 | US5032217 Impingement |
| 07/02/1991 | US5028296 Mercury Cadmium Telluride Semiconductors |
| 06/05/1991 | EP0349633A4 Polysilicon thin film process and product |
| 06/04/1991 | US5021151 Plastic impeller pump and filtration unit for semi-conductor etching system |
| 05/14/1991 | US5015328 Method of reducing surface damage in KTP optical waveguides |
| 05/07/1991 | US5013380 Cutting, polishing, bonding |
| 04/30/1991 | CA1283568C Crystalline optical fiber and its method of manufacture |
| 04/24/1991 | EP0424362A2 Process for lowering the water content of piezoelectric GaPO4 crystal elements and crystals produced thereby |
| 04/24/1991 | EP0423463A1 Annealing method for II-VI semiconductors |
| 04/17/1991 | CN1050792A Technology to control defect on silicon chip used for silicon semiconductor device |
| 04/16/1991 | US5007204 Apparatus for shaping ingots into right circular cylindrical form |
| 04/03/1991 | EP0341267A4 Process for producing an optical waveguide and the product therefrom |
| 03/21/1991 | WO1991003816A1 X-ray phosphor imaging screen and method of making same |
| 03/21/1991 | WO1991003584A1 Technique for epitaxial growth of oriented thin films of polydiacetylenes |
| 03/13/1991 | EP0416301A2 Process for producing structures from bonded synthetic single crystals |
| 03/06/1991 | EP0259414B1 Apparatus for thermal treatments of thin parts such as silicon wafers |
| 03/05/1991 | US4997636 Diamond growth |
| 02/12/1991 | US4992699 X-ray phosphor imaging screen and method of making same |
| 01/29/1991 | US4988564 Metal carbide, nitride, or carbonitride whiskers coated with metal carbides, nitrides, carbonitrides, or oxides |
| 01/29/1991 | US4988402 Processes for enhancing fluorescence of tunable titanium-doped oxide laser crystals |
| 01/22/1991 | US4986939 Method for the production of cylindrically symmetric bodies with a radial gradient |
| 01/16/1991 | EP0407945A1 Method of heat-treating an oxide optical crystal and a heat treatment apparatus for carrying out the same |
| 01/15/1991 | US4985226 Diamonds, zero-phonone line |
| 01/08/1991 | CA1278727C Coated blade for microtome and method for the preparation thereof |
| 01/01/1991 | US4981528 Heat resistance, mechanical properties |
| 12/19/1990 | CN1010907B Defect control technology of silicon wafer for cmos device |
| 12/18/1990 | US4978376 Crystalline optical fiber and its method of manufacture |
| 12/13/1990 | WO1990013687A3 Apparatus and method for treating flat substrates under reduced pressure |
| 12/04/1990 | US4975302 Surface-coated SiC whiskers, processes for preparing the same, ceramic reinforced with the same, and process for preparing said reinforced ceramic |
| 11/28/1990 | EP0399054A1 Production method of crystal member having controlled crystal orientation |
| 11/27/1990 | US4973575 Preferential orientation of metal oxide superconducting materials by mechanical means |
| 11/21/1990 | CN1010533B Rapid determination method of crystallographic-axis polarities of monocrystalline lithium tantalate |
| 11/20/1990 | US4971779 Pyrolysis of polybobazines to boron nitride |
| 11/15/1990 | WO1990013687A2 Apparatus and method for treating flat substrates under reduced pressure |
| 11/14/1990 | EP0397522A2 Corrosive chemical filtration unit, assembly and system |
| 10/31/1990 | DE3914015A1 Bonding single crystal silicon components - using screen printed glass-solder film |
| 10/17/1990 | CN1010038B Annealing process of vertically pulled silicon doped by neutron transmutation |
| 10/16/1990 | US4963755 Method for enhancement of useful luminescence from vacancy defects in refractory oxides for tunable lasers |
| 10/10/1990 | EP0391418A1 A diamond for a wire drawing die, dresser or heat-sink, a process for its manufacture, and a wire drawing die made therefrom |
| 10/09/1990 | US4962057 Method of in situ photo induced evaporation enhancement of compound thin films during or after epitaxial growth |
| 10/03/1990 | EP0390672A2 Method for heat process of silicon |
| 10/02/1990 | US4960721 Method for purifying group II-IV compound semiconductors |
| 10/02/1990 | US4960495 Process for precise processing of workpiece using free radicals |
| 10/02/1990 | CA1274753A1 Process for enhancing ti:a1.sub.20.sub.3 tunable laser crystal fluorescence by annealing |
| 09/25/1990 | US4959345 Method of adding oxygen into oxide superconducting materials by ion injection |
| 09/25/1990 | US4959201 Green diamond and method of producing the same |
| 09/18/1990 | US4957781 Thermal treatment of semiconductor wafers |
| 09/18/1990 | US4957591 Method for preparing needle-like, fibrous or porous diamond, or an aggregate thereof |
| 09/12/1990 | EP0386447A2 Apparatus and method for processing a semiconductor wafer |
| 09/11/1990 | US4955808 Method of heat-processing objects and device and boat for the same |
| 09/11/1990 | CA1273855A1 Anti-reflection coating for an infrared transmitting material |
| 08/29/1990 | EP0384667A1 Diamond growth |
| 08/22/1990 | CN1009285B Process of preparing black cubic zir onium oxide precious stone |
| 08/21/1990 | US4950644 Method for the epitaxial preparation of a layer of a metal-oxide superconducting material with a high transition temperature |
| 08/21/1990 | US4950625 Diamond laser crystal and method manufacturing the same |
| 08/21/1990 | US4950463 Purple diamond and method of producing the same |
| 08/14/1990 | US4949347 Diamond laser, method for producing the same, and method for activating such a laser |
| 08/08/1990 | EP0381253A1 Apparatus and method for processing one or more wafers of material |
| 07/24/1990 | US4943235 Heat-treating apparatus |
| 07/18/1990 | EP0377566A1 Process embodiments for improving the electrical properties of conductors |
| 07/17/1990 | US4942151 Magnetic preferential orientation of metal oxide superconducting materials |
| 07/02/1990 | CA2006762A1 Apparatus and method for processing one or more wafers of material |
| 06/27/1990 | EP0374880A2 Processes for enhancing fluorescence of tunable titanium-doped oxide laser crystals |
| 06/20/1990 | EP0373720A1 Apparatus for continuously removing crystals from a mether liquor and for washing the crystals |
| 06/20/1990 | CN1008452B New technique for prepn of monocrystal silicon chip with perfact layer on the surface |
| 06/14/1990 | WO1990006378A1 Production method of crystal member having controlled crystal orientation |
| 06/14/1990 | CA2004892A1 Apparatus for continuously removing crystals from a mother liquor and for washing the crystals |