Patents for C30B 29 - Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape (27,107)
06/1993
06/29/1993US5223077 Providing silicon melt reservoir formed of induction coil having layer of high melting insulator on surface, filling with raw material, melting by external heating and inductin coil, drawing
06/29/1993CA1319588C Method of making single-crystal mercury cadmium telluride layers
06/24/1993DE4242555A1 Compsn. for preparing film
06/23/1993EP0547061A1 M 1-x?N x?TiAs 1-a?P a?O 5? WAVEGUIDES GROWN BY LIQUID PHASE EPITAXY.
06/22/1993US5221367 Strained defect-free epitaxial mismatched heterostructures and method of fabrication
06/22/1993CA1319278C Trace metals analysis in semiconductor material
06/19/1993WO1993012273A1 Synthesis of diamond by combustion method
06/16/1993EP0546946A2 Film deposition apparatus
06/16/1993EP0546754A1 Method for producing CVD diamond film
06/16/1993EP0546752A1 CVD diamond growth on hydride-forming metal substrates
06/16/1993EP0546563A2 Complex crystal
06/15/1993CA1319085C Ni-base single-crystal superalloy excellent in high-temperature strength and high-temperature corrosion resistance
06/14/1993CA2082729A1 Method for producing cvd diamond film substantially free of thermal stress-induced cracks
06/14/1993CA2082728A1 Method for producing flat cvd diamond film
06/14/1993CA2082711A1 Cvd diamond growth on hydride-forming metal substrates
06/09/1993EP0545777A2 Method for manufacturing superconducting thin film formed of oxide superconductor having a portion of a reduced thickness, superconducting thin film manufactured thereby, and superconducting device utilizing the superconducting thin film
06/02/1993EP0544399A2 Epitaxial magnesium oxide as a buffer layer for formation of subsequent layers on tetrahedral semiconductors
06/02/1993EP0544369A2 Method for processing porous silicon to recover luminescence
06/02/1993EP0544309A1 Self-clamping holder for polysilicon rod used in floating-zone single-crystal growth method
05/1993
05/27/1993WO1993010286A1 PRODUCTION OF CLEAN, WELL-ORDERED CdTe SURFACES USING LASER ABLATION
05/27/1993CA2083760A1 Epitaxial magnesium oxide as a buffer layer for formation of subsequent layers on tetrahedral semiconductors
05/26/1993EP0543585A2 Process for forming an oxide film
05/26/1993CN1020992C Method for making solid device and its products
05/25/1993CA1318261C Method of purifying and depositing group iiia and group va compounds to produce epitaxial films
05/25/1993CA1318226C Diamond crystal growth process
05/25/1993CA1318225C Resistance heater for diamond production by cvd
05/19/1993EP0542291A1 Zinc oxide crystal and method of producing same
05/19/1993CN1072221A Bismuth silicate (bso) single-crystal growth by crucible downward method
05/13/1993WO1993008927A1 Chemical vapor deposition of diamond films using water-based plasma discharges
05/13/1993CA2122995A1 Chemical vapor deposition of diamond films using water-based plasma discharges
05/11/1993US5209952 Use of organometallic compounds to deposit thin films from the gas phase
05/05/1993EP0540416A1 Method of making a flexible high temperature superconductor and resulting conductor
05/05/1993EP0540366A1 Tool insert
05/05/1993EP0325659B1 Complex compounds for forming thin film of oxide superconductor and process for forming thin film of oxide superconductor
05/04/1993CA1317086C Rare earth oxide particulate compositions, preparation and uses thereof
05/01/1993CA2081631A1 Tool insert
04/1993
04/27/1993US5206213 Depositing ceramic layers on smooth substrate; heat treatment
04/27/1993US5206211 Process for the production of an elongate body consisting of longitudinally aligned acicular crystals of a superconducting material
04/21/1993EP0537989A1 Method for achieving high pressure using isotopically-pure diamond anvils
04/21/1993EP0293439B1 Semi-insulating group iii-v based compositions
04/20/1993US5204681 Radio frequency automatic identification system
04/20/1993CA1316436C Accelerated whisker growth on iron-chromium-aluminum alloy foil
04/16/1993CA2077829A1 Method for achieving high pressure using isotopically-pure diamond anvils
04/15/1993WO1993007311A1 Crystal forming device and automated crystallization system
04/15/1993CA2120744A1 Crystal forming device and automated crystallization system
04/14/1993EP0537049A1 Process for the growth of heteroepitaxial layers
04/14/1993EP0537004A1 Thermally stable dense electrically conductive diamond compacts
04/14/1993EP0536958A1 Process for producing a semiconductor wafer
04/14/1993EP0536394A1 Method of producing polycrystalline silicon rods for semiconductors and thermal decomposition furnace therefor
04/14/1993EP0265518B1 Congruently melting complex oxides
04/14/1993CN2129766Y Smelting furnace for preparing lanthanum hexaborane single crystal zone
04/14/1993CN1070960A Tungsten-bronze optical rafracting crystal and its made technology
04/13/1993CA1316085C Magneto-optic garnet
04/10/1993CA2077825A1 Thermally stable dense electrically conductive diamond compacts
04/07/1993EP0535738A2 Method of manufacturing potassium-lithium-niobate crystals
04/07/1993EP0535293A1 A method of fabricating a compositional semiconductor device
04/06/1993US5200805 Silicon carbide:metal carbide alloy semiconductor and method of making the same
04/06/1993CA1315649C Epitaxial ba-y-cu-o superconductor film
04/06/1993CA1315648C Polysilicon thin film process and product
04/06/1993CA1315530C Method for producing a small superconducting solenoid
04/01/1993WO1993006504A1 Radio frequency automatic identification system
03/1993
03/31/1993EP0533945A1 Production method for oxide superconductor film
03/31/1993CN1070437A Growing process of compound function crystal lutetium-doped aluminium-ytterbium-neodymium tetraborate
03/30/1993US5198269 Process for making sol-gel deposited ferroelectric thin films insensitive to their substrates
03/23/1993CA1314791C Epitaxial ba-y-cu-o superconductor film on perovskite structure substrate
03/17/1993EP0531348A1 Process for producing unagglomerated single crystals of aluminum nitride
03/17/1993CN1070009A Method for growing gallium antimonide single crystal by straight drawing method and apparatus
03/16/1993US5194712 Cutting tool using a diamond window
03/16/1993US5194409 Boron nitride coating on silicon carbide whisker, decomposition of a borazine
03/16/1993US5194070 Diamond seed crystals arranged between metal plates, precipitation at interface, heating, pressurization
03/10/1993EP0531236A2 Improved superconductive layer on monocrystalline substrate and process for its preparation
03/10/1993EP0531085A2 Isotopic diamond coated products and their production
03/09/1993US5193097 Optical device using a cerium-doped KTP crystal
03/09/1993US5192589 Low-pressure chemical vapor deposition process for depositing thin titanium nitride films having low and stable resistivity
03/07/1993CA2076279A1 Superconductive layer on monocrystalline substrate and process for its preparation
03/04/1993WO1992022921A3 Process for making superconducting tl-pb-sr-ca-cu oxide films and devices
03/04/1993CA2076087A1 Isotopic diamond coated products and their production
03/03/1993EP0530021A2 Diamond film and method of producing same
03/03/1993EP0529594A1 A glassy carbon coated graphite component for use in the production of silicon crystal growth
03/03/1993EP0529593A1 A glass carbon coated graphite chuck for use in producing polycrystalline silicon
02/1993
02/24/1993EP0528778A1 Method for microwave plasma assisted CVD diamond coating
02/24/1993EP0528592A1 Method for selective CVD diamond deposition
02/24/1993EP0528195A1 Process for production of diamond abrasive grains
02/24/1993CN1069298A Method for controlling oxygen content of silicon crystals using combination of cusp magnetic field and crystal and crucible rotation rates
02/23/1993US5188862 Microwave plasma generating apparatus and process for the preparation of diamond thin film utilizing same
02/17/1993EP0527668A1 Method for preparing a superconducting thin film of compound oxide
02/17/1993EP0527477A1 Process for controlling the oxygen content in silicon crystals
02/16/1993US5187149 Forming layer on substrate, mechanically deforming, melting and re-solidifying
02/16/1993US5187148 Having tube to enclose plasma nand supply oxygen while laser is applied to oxide target; for high speed, low temperature film formation
02/16/1993US5186866 Oxide garnet single crystal
02/10/1993EP0526779A1 Pulsed gas plasma-enhanced chemical vapor deposition of silicon
02/10/1993EP0414819B1 Method of forming crystallite-oriented superconducting ceramics by electrodeposition and thin film superconducting ceramic made thereby
02/09/1993US5185204 Agglomerate of whiskers or short fibers
02/09/1993CA2072326A1 Method for selective cvd diamond deposition
02/03/1993EP0526331A2 Method for preparing a superconducting thin film of compound oxide
02/03/1993EP0526326A2 Method for preparing a superconducting thin film of compound oxide
02/03/1993EP0525617A2 Liquid-phase growth process of compound semiconductor
02/02/1993US5183528 Method of automatic control of growing neck portion of a single crystal by the cz method
01/1993
01/27/1993EP0489087A4 Superconducting metal oxide compositions and processes for manufacture and use
01/26/1993US5182052 Method of manufacturing tubes and device for carrying out the method