| Patents for C30B 33 - After-treatment of single crystals or homogeneous polycrystalline material with defined structure (6,009) |
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| 05/30/1990 | EP0370919A2 Method for evaluation of transition region of silicon epitaxial wafer |
| 05/29/1990 | US4929564 Homogeneous electrical properties |
| 05/29/1990 | US4929472 Surface-coated SiC whiskers, processes for preparing the same, ceramic reinforced with the same, and process for preparing said reinforced ceramic |
| 05/15/1990 | US4925388 Apparatus for heat treating substrates capable of quick cooling |
| 05/09/1990 | EP0367536A2 Rod base material for providing wafers used for electronic devices and a method of manufacturing wafers used for electronic device |
| 05/02/1990 | CN1007828B Stress relief of single crystal superalloy articles |
| 04/24/1990 | US4919177 Rearranging crystal orientation; heat, electric current, elongation, cooling |
| 04/18/1990 | EP0364259A2 Process for thermally patterning semiconductor bodies |
| 04/10/1990 | US4915774 Method of manufacturing orientated substrate plates from solid semiconductor blocks from the III-V group |
| 04/04/1990 | EP0361542A1 Composite articles and process for their production |
| 03/28/1990 | EP0360305A2 Process for producing particles of a composite material, and their use |
| 03/21/1990 | EP0359591A2 Apparatus for shaping ingots into right circular cylindrical form |
| 02/28/1990 | EP0355340A1 Process for producing structures by bonding together synthetic corundum single crystals |
| 02/20/1990 | US4902656 Mixing aluminum oxide and alkali or alkali earth metal halide, melting, cooling, unidirectional solidification |
| 02/14/1990 | CN1006815B Technique for annealing of yal garnet crystal containing nd and ce |
| 02/13/1990 | US4900363 Method and liquid preparation for removing residues of auxiliary sawing materials from wafers |
| 01/30/1990 | US4897360 Annealing a chemically vapor-deposited film to control tensile strain |
| 01/23/1990 | CA1264722A1 Micro-porous superlattice material |
| 01/10/1990 | EP0349633A1 Polysilicon thin film process |
| 12/27/1989 | EP0347772A1 Hole-burnable material and production thereof |
| 12/26/1989 | US4889493 Method of manufacturing the substrate of GaAs compound semiconductor |
| 12/20/1989 | EP0346794A1 Diamond laser crystal and method of manufacturing the same |
| 12/20/1989 | CN1038133A Process and device for reducing water content in piezoelectric gapo4-crystal unit, and crystal unit thereby |
| 12/05/1989 | US4885216 High strength nickel base single crystal alloys |
| 12/05/1989 | US4884887 Method for positioning a crystal ingot |
| 11/15/1989 | EP0341267A1 Process for producing an optical waveguide and the product therefrom. |
| 11/14/1989 | US4881234 Nitrogen-free lithim doped potassium iodide crystal |
| 11/14/1989 | US4881003 Method and device for reducing the water content in piezoelectric GAPO.sub.4 |
| 11/14/1989 | US4880613 Lasers, electron beams, annealing |
| 11/08/1989 | EP0207300B1 Process for making ceramic-oxide products with a high ratio surface to mass and a high strength |
| 11/07/1989 | US4878988 Gettering process for semiconductor wafers |
| 11/02/1989 | EP0339992A1 Bonding diamond to diamond |
| 10/24/1989 | US4875970 Dimensional accuracy |
| 10/24/1989 | US4875461 Automatic dendritic silicon web separation machine |
| 10/18/1989 | EP0148946B1 Method of producing a chrysoberyl single crystal |
| 10/11/1989 | EP0336525A1 Method of forming recessed profile on ferrite single crystal by chemical etching |
| 10/11/1989 | CN1036234A Process of preparing black cubic zirconium oxide precious stone |
| 10/04/1989 | EP0315678A4 High volume crystal plating apparatus and method. |
| 10/04/1989 | CN1036049A Annealing process of vertically pulled silicon doped by neutron transmutation |
| 10/03/1989 | US4871517 Apparatus for parting wafer-shaped silicon bodies, useful for solar cells, from a silicon tape manufactured in a horizontal tape-drawing method |
| 09/27/1989 | EP0334684A1 A method for heat-treating gallium arsenide monocrystals |
| 09/27/1989 | CN1035917A Cmos device for defect control by slice of silicon and utilization technology |
| 09/26/1989 | CA1260293A1 Monocristalline alloy with nickel based matrix |
| 09/13/1989 | EP0201600B1 Solid state laser employing diamond having color centers as a laser active material |
| 09/12/1989 | US4865418 Core-crust structure where grain diameter in core is smaller t han that of crust and both are made of the same material |
| 09/08/1989 | WO1989008158A1 Single crystal of compound semiconductor, process for its production and semiconductor device manufactured by using same |
| 08/29/1989 | US4862488 Device for measuring the orientation of bulk monocrystalline materials using the Laue method |
| 08/16/1989 | EP0328073A1 Processes for enhancing fluorescence of Ti:A12O3 tunable laser crystals |
| 08/16/1989 | EP0328048A2 Method of producing semiconductor wafers with a modified check of the inner imperfections |
| 08/15/1989 | US4857704 Apparatus for thermal treatments of thin parts such as silicon wafers |
| 08/15/1989 | US4856544 Vessel and system for treating wafers with fluids |
| 08/10/1989 | DE3834963A1 Method for the epitaxial production of a layer of a metal oxide superconductor material having high critical temperature |
| 08/09/1989 | EP0327111A2 Diamond laser and method of producing the same and method of operating the same |
| 08/01/1989 | US4853076 Heat treatment while crystallizing to produce tensile stress which produces electron mobility |
| 08/01/1989 | US4853044 With controlled tungsten, molybdenum and tantalum content |
| 07/27/1989 | DE3900526A1 Ultra-thin diaphragm having a supporting edge |
| 07/25/1989 | US4851358 Semiconductor wafer fabrication with improved control of internal gettering sites using rapid thermal annealing |
| 07/19/1989 | EP0324179A1 Green diamond and method of producing the same |
| 07/18/1989 | US4849299 Sapphire with ion implanted amorphous zones |
| 07/18/1989 | US4849034 Thermal treatment for increasing magnetostrictive response of rare earth-iron alloy rods |
| 07/18/1989 | US4849030 Dispersion strengthened single crystal alloys and method |
| 07/04/1989 | US4844047 Process for sawing crystal rods or blocks into thin wafers |
| 06/29/1989 | WO1989006045A1 Polysilicon thin film process and product |
| 06/21/1989 | EP0320524A1 Watch glass and method for manufacturing such a glass |
| 06/13/1989 | US4839195 Coating blade for microtome and method for the preparation thereof |
| 06/06/1989 | US4837182 Growth mask on substrate; forming, removal sheet |
| 06/06/1989 | US4836953 Heating titanium doped alumina crystal with hydrogen gas in inert atmosphere |
| 05/30/1989 | US4835006 Process for the passivation of crystal defects |
| 05/24/1989 | EP0316856A1 Purple diamond and method of producing the same |
| 05/23/1989 | US4833093 Method of silanization of surfaces |
| 05/17/1989 | EP0316298A1 Process for decreasing the water content in piezoelectric gallium phosphate crystal elements |
| 05/17/1989 | EP0316161A2 Method of heat treatment of a groups II-VI compound semiconductor |
| 05/17/1989 | EP0315678A1 High volume crystal plating apparatus and method |
| 04/19/1989 | EP0312063A1 Thermal treatment for increasing magnetostrictive response of rare earth-iron alloy rods |
| 04/11/1989 | US4819579 Coating of semiconductor wafers and apparatus therefor |
| 04/05/1989 | EP0310332A2 Preferential orientation of metal oxide superconducting materials |
| 04/04/1989 | US4818304 Thermal-magnetic treatment above curie temperature |
| 03/28/1989 | US4816420 Method of producing tandem solar cell devices from sheets of crystalline material |
| 03/23/1989 | WO1989002483A1 Process embodiments for improving the electrical properties of conductors |
| 03/22/1989 | EP0307608A1 Apparatus and process for annealing semiconductor wafers |
| 03/22/1989 | CN1031896A Rapid determination method of crystallographic-axis polarities of monocrystalline lithium tantalate |
| 03/14/1989 | US4812352 Article having surface layer of uniformly oriented, crystalline, organic microstructures |
| 03/07/1989 | US4810530 Method of coating metal carbide nitride, and carbonitride whiskers with metal carbides, nitrides, carbonitrides, or oxides |
| 02/21/1989 | US4806428 Composite ceramic article and method for making it |
| 02/15/1989 | CN1031119A Annealing technology for (nd, ce): yag crystal |
| 02/07/1989 | US4803123 Process for production of fibrous carbon material |
| 01/31/1989 | CA1249455A1 High strength nickel base single crystal alloys |
| 01/25/1989 | EP0300224A2 Strainless precision after-treatment process by radical reaction |
| 01/25/1989 | CN1030622A Polarization method for lithium tantalate crystal and its apparatus |
| 01/18/1989 | EP0299570A1 Process for preparing oriented wafer substrates, from massive III-V semiconductor ingots |
| 01/18/1989 | EP0182870B1 Method and apparatus for reducing temperature variations across a semiconductor wafer during heating |
| 01/12/1989 | EP0233184A4 Semiconductor wafer flow treatment. |
| 01/03/1989 | US4795497 Method and system for fluid treatment of semiconductor wafers |
| 12/20/1988 | CA1246913A1 Low loss cladded optical fibers from halides and process for making same |
| 12/07/1988 | EP0293879A1 Surface treatment method and apparatus |
| 12/06/1988 | USH560 Method of manufacturing dislocation and etch channel free quartz resonator blanks |
| 12/06/1988 | USH557 Epitaxial strengthening of crystals |
| 12/06/1988 | CA1245956A1 Method of chemically polishing quartz crystal blanks |
| 12/01/1988 | WO1988009223A1 High volume crystal plating apparatus and method |
| 11/15/1988 | US4784716 Hybrid single crystal optic fibers by embedding |