Patents for C30B 28 - Production of homogeneous polycrystalline material with defined structure (2,968)
09/1994
09/07/1994CN1091722A Method for production of crystallized barium oxide using electric arc
09/01/1994WO1994019373A1 Metal-interferon-alpha crystals
09/01/1994CA2156921A1 Metal-interferon-alpha crystals
07/1994
07/19/1994US5330544 Process and apparatus for increasing the size of ammonium sulfate crystals
07/05/1994US5327454 Bridge for connecting cores in a manufacturing equipment of polycrystal silicon
05/1994
05/10/1994US5310512 Method for producing synthetic diamond structures
05/03/1994US5308462 Process for producing a ferroelectric film device
09/1993
09/21/1993US5246736 Process for the manufacture of a refractory composite material protected against corrosion
04/1993
04/06/1993CA1315648C Polysilicon thin film process and product
03/1993
03/10/1993EP0530968A1 Method for directional solidification casting of a titanium aluminide
01/1993
01/05/1993US5177205 Electrooptics
10/1992
10/13/1992CA1308538C Reactor system and method for forming uniformly large diameter polycrystalline rods by the pyrolysis of silane
08/1992
08/19/1992EP0498887A1 Core wire connecting bridge for polycrystalline silicon manufacturing apparatuses
06/1992
06/10/1992EP0489519A2 Sol-gel processing of piezoelectric and ferroelectric films
05/1992
05/20/1992EP0486056A1 Method for producing a synthetic diamond structure
04/1992
04/29/1992EP0483009A1 Process for the preparation of a composite refractory material protected against corrosion
03/1992
03/18/1992EP0475131A1 Process and apparatus for increasing the size of ammonium sulfate
12/1991
12/03/1991CA1292662C Process for forming deposited film
11/1991
11/12/1991US5064779 Thermal decomposition of silane, plasma, vapor deposition
08/1991
08/14/1991EP0441408A2 Ferroelectric film device and process for producing the same
06/1991
06/12/1991EP0431595A1 Oxide superconducting thin film
06/05/1991EP0349633A4 Polysilicon thin film process and product
05/1991
05/16/1991WO1991006507A1 Core wire connecting bridge for polycrystalline silicon manufacturing apparatuses
04/1991
04/23/1991US5009928 Vapor deposition of first and second metal oxide film on textured substrate; electrode for solar cell; good trans-mission, orientation and low specific resistance
03/1991
03/20/1991EP0417190A1 Silicon dioxide films on diamond
10/1990
10/10/1990CN1045999A Method of growing mixed crystals from oxidic multi-component systems
10/03/1990EP0390549A2 Method for forming crystal and crystal article
10/03/1990EP0390150A1 Method for forming a metal oxide film
08/1990
08/22/1990EP0383400A2 Method for growing mixed crystals from multicomponent oxide melts
07/1990
07/17/1990US4942058 Crystallization, radiation, electromagnetic waves, films
07/10/1990US4940854 Multilayer crystalline uniaxially oriented organic compounds coated on a substrate
04/1990
04/18/1990EP0363673A1 Sputter-deposited nickel layer and process for depositing same
01/1990
01/31/1990EP0352931A1 Organic thin film controlled molecular epitaxy
01/30/1990US4897360 Annealing a chemically vapor-deposited film to control tensile strain
01/17/1990EP0351176A2 Low gravity enhanced growth of phthalocyanine polymorphs
01/10/1990EP0350241A2 Method of producing material having an anisotropic microstructure
01/10/1990EP0349633A1 Polysilicon thin film process
01/03/1990EP0348650A1 Process and apparatus for producing textured oxide high Tc superconductors
12/1989
12/14/1989WO1989011897A1 Silicon dioxide films on diamond
11/1989
11/28/1989CA1263293A1 Process and apparatus for the cyclical manufacture of silicon shaped articles
09/1989
09/20/1989EP0333573A1 Process for obtaining an organic polycrystalline material, notably with electro-optical properties
07/1989
07/19/1989EP0324504A2 Method for forming uniformly large-diameter polycrystalline rods by the pyrolysis of silane and a reactor system therefor
07/19/1989EP0324220A1 Superconducting thin films
06/1989
06/29/1989WO1989006045A1 Polysilicon thin film process and product
06/22/1989DE3842099A1 Fluidised-bed reactor for producing polycrystalline silicon
02/1989
02/21/1989US4805556 Reactor system and method for forming uniformly large-diameter polycrystalline rods by the pyrolysis of silane
09/1988
09/06/1988US4769107 Process and apparatus for the cyclical manufacture of silicon shaped articles
10/1987
10/28/1987EP0243074A2 Process for forming deposited film
10/21/1987EP0242207A2 Process for forming deposited film
09/1987
09/16/1987EP0237250A1 Ferroelectric film device
08/1986
08/13/1986EP0190854A2 Method for producing a perpendicular magnetic recording medium
02/1986
02/26/1986EP0172426A2 Method and apparatus for making silicon products stepwise
05/1984
05/29/1984US4451499 From oxygen and beryllium ionized vapors
09/1983
09/06/1983US4402994 Carbides, nitrides, and carbonitrides of titanium, zirconium and hafnium
08/1983
08/30/1983US4401719 Highly hard material coated articles
07/1982
07/20/1982US4340568 Blow pipe assembly
01/1982
01/26/1982US4312924 Super hard highly pure silicon nitrides
01/26/1982US4312923 Super hard-highly pure silicon nitrides, and a process and apparatus for producing the same
01/26/1982US4312921 Hexagonal crystal structure, high density, high strength
07/1981
07/21/1981US4279689 Process for producing super hard-highly pure silicon nitrides
11/1980
11/11/1980US4233135 Method of fabricating piezoelectric thin film
10/1980
10/21/1980US4229506 Piezoelectric crystalline film of zinc oxide and method for making same
09/1980
09/23/1980US4224296 Super hard-highly pure silicon nitrides, and a process and apparatus for producing the same
05/1980
05/27/1980US4205117 Piezoelectric crystalline film of zinc oxide and method for making same
08/1979
08/14/1979US4164676 Piezoelectric crystalline film of zinc oxide containing additive elements
05/1979
05/22/1979US4156050 Piezoelectric crystalline films and method of preparing the same
02/1979
02/13/1979US4139678 Piezoelectric crystalline films and method of preparing the same
10/1978
10/03/1978US4118539 Super hard-highly pure silicon nitrides having a preferred crystal face orientation
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