Patents for C30B 29 - Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape (27,107)
09/1991
09/18/1991EP0325651B1 Cyclic or bicyclic aluminium, gallium or indium organic compounds and their use for vapour deposition of metals on substrates
09/17/1991US5049454 Monocrystalline MnZn-ferroferrite material having a high content of Zn, and a magnetic head manufactured from said material
09/11/1991EP0445307A1 Single crystal oxide substrate, superconductor device produced therefrom, and producing thereof
09/10/1991US5047370 Method for producing compound semiconductor single crystal substrates
09/10/1991US5047365 Method for manufacturing a heterostructure transistor having a germanium layer on gallium arsenide using molecular beam epitaxial growth
09/10/1991US5047091 Nickel based monocrystalline superalloy, method of heat treating said alloy, and parts made therefrom
09/06/1991CA2034765A1 Susceptor for use in chemical vapor deposition apparatus and its method of use
09/05/1991WO1991013192A1 Single crystal production apparatus
09/04/1991EP0445036A1 Polycrystalline silicon rod for floating zone method and process for making the same
09/04/1991EP0444698A2 Method of and apparatus for preparing oxide superconducting film
09/04/1991EP0444628A1 Method of automatic control of growing neck portion of a single crystal by the CZ method
09/03/1991CA1288469C Fuel cell with electrolyte matrix assembly
08/1991
08/28/1991EP0443920A1 Process for the controlled growth of needle-like crystals and their application for making pointed microcathodes
08/27/1991US5043219 Composite material
08/21/1991EP0442490A1 Method for producing single crystal boron nitride film
08/21/1991EP0442304A2 Polycrystalline CVD diamond substrate for single crystal epitaxial growth of semiconductors
08/20/1991US5041676 Highly pure alkyl and aryl phosphines for gas phase epitaxy processes
08/20/1991US5041186 Method for manufacturing compound semiconductor single crystals using a hydrogen monitor gas
08/14/1991EP0441724A2 Electrically conductive article
08/14/1991EP0441429A2 Process for growing mixed crystals from multi-component oxide melts
08/14/1991EP0441408A2 Ferroelectric film device and process for producing the same
08/14/1991CN1053819A Container for use in hydrothermal synthesis
08/14/1991CA2034361A1 Polycrystalline cvd diamond substrate for single crystal epitaxial growth of semiconductors
08/13/1991US5039653 Growth of superconductor material in a fluxed melt, and article of manufacture
08/13/1991US5039626 Method for heteroepitaxial growth of a two-dimensional material on a three-dimensional material
08/13/1991US5039504 Process for producing graphite whiskers
08/13/1991US5039187 M1-x Nx TiAs1-a Pa O5 waveguides grown by liquid phase epitaxy and process of making same
08/13/1991US5038713 Microwave plasma treating apparatus
08/13/1991CA1287527C Production method of superconductive thin film and a device thereof
08/08/1991WO1991011546A1 Doped crystalline compositions and a method for preparation thereof
08/07/1991EP0416089A4 Process and apparatus for producing calcium sulfate microfibers
08/06/1991US5037776 Multilayer; one step
08/06/1991US5037674 Method of chemically vapor depositing a thin film of GaAs
08/06/1991US5037626 Process for producing silicon carbide whiskers using seeding agent
08/06/1991US5037507 Method of manufacturing an insulating arrangement for optical insulation of integrated components
08/06/1991US5037502 Process for producing a single-crystal substrate of silicon carbide
07/1991
07/31/1991EP0439064A1 Method of epitaxially growing compound crystal and doping method therein
07/31/1991EP0438528A1 Epitaxial ba-y-cu-o supraconductor film.
07/31/1991EP0131586B1 Process and apparatus for obtaining silicon from fluosilicic acid
07/30/1991US5035771 Etching to increase surface area, embedding in metal powder, reacting with hydrogen gas stream
07/30/1991US5035767 Preparation of gallium arsenide
07/24/1991EP0437830A1 CVD diamond coated annulus components and method of their fabrication
07/24/1991EP0437704A2 Process for synthesizing diamond and diamond synthesis apparatus
07/24/1991CN1053271A Producing method for high quality alpha phase silicon carbide whisker
07/23/1991US5034949 Potassium niobate crystals, process for their preparation and laser comprising them
07/23/1991US5034784 Diamond electric device on silicon
07/23/1991US5034199 Zone melt recrystallization apparatus
07/23/1991US5034059 Composition comprising octacalcium phosphate crystals and polypeptide
07/23/1991US5033749 Liquid center
07/17/1991CA2031098A1 Cvd diamond coated annulus components and method of their fabrication
07/16/1991US5032366 Boron nitride boat and process for producing it
07/11/1991WO1991009996A2 Transport system, in particular for transporting silicon monocrystals through the tank of a research reactor
07/11/1991WO1991009995A2 Process for the deposition of thin films on solids
07/11/1991WO1991009994A1 Method of forming material layer
07/11/1991WO1991009993A1 Hydrothermal process for growing optical-quality single crystals
07/11/1991WO1991009943A1 Method for crystallization of enzymes
07/10/1991CN1013161B Method of manufacturing super conducting patterns
07/09/1991US5030613 Epitaxial Ba--Y--Cu--O ceramic superconductor film on perovskite structure substrate
07/09/1991US5030315 Seeding gallium-arsenic intermetallic from a melt having controlled stoichiometry
07/03/1991EP0435625A2 Synthesis of faujasite
07/03/1991EP0435454A1 Crystal growth method and apparatus
07/03/1991EP0435440A1 Method for growing antimony-doped silicon single crystals
07/03/1991EP0434996A1 Nickle-based single crystal superalloy
07/03/1991CN2080071U Growing device for mercury iodium single crystal
07/02/1991US5028584 Process and apparatus for producing epitaxial and/or highly textured grown film, free of foreign phases, of a high-Tc -oxide superconductor on a substrate
06/1991
06/30/1991CA2032845A1 Synthesis of faujasite
06/30/1991CA2029539A1 Nickel-based single crystal superalloy
06/27/1991DE4041901A1 Pyrolytic prodn. of poly:silicon rod - on starter filament held by protectively coated graphite holder
06/27/1991DE3942387A1 Transportsystem, insbesondere zum transportieren von siliziumeinkristallen durch das becken eines forschungsreaktors Transport system, particularly for transport of silicon single crystals by the pool of a research reactor
06/26/1991EP0434436A2 Deposition apparatus and method for manufacturing a mono-crystalline oxide superconductor thin film
06/26/1991EP0433838A2 Process for the preparation of stabilized chromium dioxide and magnetic recording medium containing this material
06/26/1991EP0433337A1 EPITAXIAL Ba-Y-Cu-O SUPERCONDUCTOR FILM ON PEROVSKITE STRUCTURE SUBSTRATE
06/26/1991CN1052516A Process for preparing lithium niobate monocrystal by erbium and magnesium doping
06/19/1991EP0432914A1 A method of controlling oxygen concentration in single crystal
06/19/1991EP0432820A2 Laser deposition of crystalline boron nitride films
06/19/1991EP0432574A2 Heterocyclic organometal compounds
06/19/1991EP0432528A2 Process for the production of hard carbon layers and apparatus for carrying out the process
06/19/1991CN1052340A Single-crystal diamond of very high thermal conductivity
06/15/1991CA2030847A1 Method and apparatus for producing layers of hard carbon modification
06/13/1991DE4039519A1 Barrier layer organic photo-element - has poly:silane organic semiconductor layer used e.g. metal- or semiconductor-insulator-semiconductor Schottky transition
06/13/1991DE4009394A1 Heterocyclic organo-metal cpds. of aluminium, gallium or indium
06/12/1991EP0431685A1 Method of forming thin defect-free strips of monocrystalline silicon on insulators
06/12/1991EP0431595A1 Oxide superconducting thin film
06/12/1991EP0431415A2 Method and apparatus for epitaxially growing chemical-compound crystal
06/12/1991CN1052154A Growth method of colour crystal
06/11/1991US5023109 Deposition of synthetic diamonds
06/11/1991US5023068 Diamond growth
06/11/1991US5022801 CVD diamond coated twist drills
06/11/1991CA1284761C Method of synthesizing group iii element-phosphorus compound
06/05/1991EP0429847A1 Method for pulling up single crystal silicon
06/05/1991EP0429839A1 Silicon single crystal growth control apparatus and method forming and using a temperature pattern of heater
06/05/1991EP0429545A1 Cristallization in a gravitational force field
06/05/1991EP0349633A4 Polysilicon thin film process and product
06/05/1991EP0298080B1 Method and apparatus for monitoring surface layer growth
06/04/1991US5021224 Conducts direct current from electrode immersed in growth solution containing source material
05/1991
05/29/1991EP0428797A1 Process for preparation of aluminium borate whisker
05/29/1991EP0428565A1 Method of preparing rigid mullite-whisker felt
05/28/1991US5019874 Semiconductor device having an epitaxial layer grown heteroepitaxially on an underlying substrate
05/26/1991CA2030486A1 Process for synthesizing diamond and diamond synthesis apparatus
05/22/1991EP0428415A1 A method for controlling specific resistance of single crystal