Patents for C30B 11 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. bridgman- stockbarger method (5,247)
02/1991
02/20/1991EP0413439A1 Low carbon directional solidification alloy
01/1991
01/10/1991WO1991000544A1 Quadratic nonlinear optical element
01/02/1991EP0405362A1 Method for manufacturing alloy rod having giant magnetostriction
01/02/1991EP0405360A1 Method for manufacturing alloy rod having giant magnetostriction
01/02/1991EP0404840A1 Superconducting composition and process for manufacture
12/1990
12/25/1990US4980133 Separated by a conductive sleeve defining a gradient zone for crystallization; single crystals
12/12/1990EP0401387A1 Process for producing single crystal
12/11/1990US4976792 Electric conductor and method of manufacturing same
12/05/1990CN1047541A System for continuously replenishing melt
11/1990
11/29/1990WO1990014450A1 System for continuously replenishing melt
11/22/1990EP0398264A1 Precipitation hardening type nickel base single crystal cast alloy
11/16/1990CA2016794A1 Precipitation hardening type nickel base single crystal cast alloy
11/13/1990US4970060 Pure or mixed monocrystalline boules of lanthanum orthogallate
11/06/1990US4968380 Growth of hollow crystals of silicon
10/1990
10/30/1990US4966645 Crystal growth method and apparatus
09/1990
09/26/1990EP0389086A1 Single crystalline fibrous superconductive composition and process for preparing the same
09/18/1990US4957711 Single crystal growing apparatus
09/12/1990EP0252784B1 Mixed lanthanium-magnesium-gallates and lasers using these gallates
09/11/1990US4955699 Thallium, selenium, arsenic, sulfur, phosphorus, vanadium, lead halide
08/1990
08/28/1990US4952780 Computerized multi-zone crystal growth furnace
08/28/1990US4952390 Heating copper compound with oxides of copper, rare earth element and alkaline earth metal; adding oxygen
08/16/1990EP0382585A1 Nickel-based superalloy for industrial turbine blades
08/07/1990US4946544 Crystal growth method
08/07/1990US4946542 Stress resistance
07/1990
07/31/1990US4944833 Czochralski pulling of monocrystalline lanthanum orthogallate
07/18/1990EP0227499B1 Mixed lanthanum-magnesium aluminates, process for their production and lasers using these aluminates
07/10/1990US4940073 Mold for casting a single crystal metal article
06/1990
06/28/1990WO1990007021A1 Process for producing single crystal
06/19/1990US4935934 Mixed lanthanide-magnesium gallates and laser using monocrystals of these gallates
06/19/1990US4935072 Nickel base superalloy for aircraft
06/13/1990EP0372794A1 Crystal growth method and crucible therefor
06/06/1990EP0371771A2 Process for preparing aluminium nitride and aluminium nitride so produced
06/06/1990CN1008305B Nonlinear optical element made of lithium triborate single crystal
05/1990
05/30/1990CN1042575A Single crystal growth of lithium tetra borate (lbo) using the method of descending crucible
05/29/1990US4929594 Thallium, barium, copper oxides
05/29/1990CA2004172A1 Process for preparing aluminum nitride and aluminum nitride so produced
05/23/1990CN1008125B Process for preparing doped magnesium-lanthanide aluminogallate single crystal
05/16/1990EP0368169A1 Method for producing organic crystal
05/15/1990US4925636 Apparatus for directional solidification of a crystal material
05/10/1990DE3837559A1 Method for the production of monolithic metallic blanks by controlled solidification
05/08/1990US4923561 Single crystals, boron nitride crucible, boric oxide protective coating
05/08/1990US4922995 Method of producing monolithic metal blanks by freezing-on techniques
05/05/1990CA2002199A1 Method for producing organic crystal and crystal growth cell therefor
04/1990
04/19/1990WO1990003952A1 Method of growing silicon ingots using a rotating melt
04/17/1990US4917757 Method of performing solution growth of ZnSe crystals
04/10/1990US4915907 Nickel base superalloy having added hafnium
04/10/1990US4915882 Drawing from highly polished crucible
04/10/1990US4915869 Mixed lanthanum-magnesium aluminates
04/07/1990CA2000243A1 Method of growing silicon ingots using a rotating melt
03/1990
03/27/1990US4911781 Forming solution of metal salt in an alcohol; precipitating with base
03/20/1990US4909998 Apparatus for performing solution growth of group II-VI compound semiconductor crystal
03/14/1990EP0358185A1 Ni-base single-crystal superalloy excellent in high-temperature strength and high-temperature corrosion resistance
03/13/1990US4908183 High strength single crystal superalloys
03/06/1990US4907177 Computerized multi-zone crystal growth furnace precise temperature and heating control method
02/1990
02/27/1990US4904336 Method of manufacturing a single crystal of compound semiconductor and apparatus for the same
02/20/1990US4902376 Supplying extra arsenci to control composition stoichiometry
02/20/1990US4902354 High temperature electric arc furnace and method
02/13/1990US4900511 Nickel-based monocrystalline superalloy, in particular for the blades of a turbomachine
01/1990
01/23/1990US4896332 Monocrystal reflectors for laser applications
01/10/1990EP0350101A1 Monocrystalline MnZn-ferroferrite material having a high content of Zn, and a magnetic head manufactured from said material
12/1989
12/13/1989CN1037999A Mixed lanthanum-magnesium aluminates, their production process and lasers using these aluminates
11/1989
11/28/1989CA1263293A1 Process and apparatus for the cyclical manufacture of silicon shaped articles
11/02/1989EP0339065A1 Process for manufacturing layers
11/01/1989CN1005625B Technology for preparing polycrystal silicon ingot by orientational solidification and growth for solar battery
10/1989
10/25/1989EP0338914A1 Process and crucible for the solidification of materials, and application to the crystal growth of semiconductors
10/25/1989EP0338411A2 Apparatus and method for growth of large single crystals in plate/slab form
10/17/1989US4874436 Method for producing high purity electrolytic copper
10/04/1989EP0335794A1 Process for preparing a HgCdTe crystal ingot
09/1989
09/26/1989CA1260363A1 Method and device for producing a block of polycrystalline semi-conducting material
09/26/1989CA1260293A1 Monocristalline alloy with nickel based matrix
09/21/1989WO1989008930A1 Superconducting composition and process for manufacture
09/20/1989EP0333573A1 Process for obtaining an organic polycrystalline material, notably with electro-optical properties
09/12/1989US4865682 Of quartz with its surface contacting the melt roughened and heated to tridymite transformation temperature to reduce wetting by the melt; gallium arsenide
09/07/1989DE3400774C1 Process and device for producing single-crystal mirrors from copper, silver or gold for laser technology, and mirror produced according to this process
09/06/1989EP0331360A1 Method of preparing an oxide high-temperature superconducting material
09/05/1989US4863553 Method of preparing radially homogenous mercury cadmium telluride crystals
09/05/1989US4862947 Method of casting an article
08/1989
08/24/1989DE3804248A1 Process for removing impurities from a silicon melt by directed solidification
08/24/1989DE3804069A1 Process for producing solar silicon
08/17/1989DE3802531A1 Process for separating solid particles from silicon melts
08/01/1989US4853078 Heating in a sealed container divided into a reaction zone and a vapor pressure control zone in communication with each other; stoichiometrically stable, reduced lattice defects
08/01/1989US4853077 Process for the preparation of mono-crystalline 3-5 semi-insulating materials by doping and use of the semi-insulating materials thus obtained
08/01/1989US4853066 Selectively heating and cooling starting point
08/01/1989US4853044 With controlled tungsten, molybdenum and tantalum content
07/1989
07/18/1989US4849030 Dispersion strengthened single crystal alloys and method
06/1989
06/28/1989EP0321576A1 Method for growing single crystal from molten liquid
06/28/1989CN1004640B Preparation of mgo.lao.al2o3.ndo single crystal
06/20/1989US4840699 Gallium arsenide crystal growth
06/13/1989US4838988 Process for obtaining crystals of intermetallic compounds, in particular isolated monocrystals, by cooling alloys in the molten state
06/06/1989US4837384 Nickel-based monocrystalline superalloy, in particular for the blades of a turbomachine
06/06/1989US4836771 Gradient oven for oriented solidification, in particular by the Bridgman method
05/1989
05/30/1989US4834832 Process and apparatus for the manufacture of silicon rods
05/16/1989US4830679 Heat-resistant Ni-base single crystal alloy
05/09/1989CA1253776A1 Method of manufacturing bismuth germanate crystals
05/05/1989WO1989003900A1 Process for manufacturing layers
05/02/1989US4826283 Lithium borate, laser systems
04/1989
04/25/1989US4824520 Liquid encapsulated crystal growth
04/11/1989US4820145 Polycrystalline silicon wafer tray
04/11/1989US4819709 Heat shield for a casting furnace
04/04/1989US4818306 With chromium, molybdenum, tungsten, aluminum
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