| Patents for C30B 13 - Single-crystal growth by zone-melting; Refining by zone-melting (2,141) |
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| 11/18/1980 | US4233934 Guard ring for TGZM processing |
| 10/29/1980 | EP0018111A1 Method of producing ferrite single crystals |
| 09/23/1980 | US4224504 Apparatus for practicing temperature gradient zone melting |
| 09/16/1980 | CA1085703A1 Method of producing phosphorus-doped silicon monocrystals |
| 09/09/1980 | US4221956 Apparatus for practising temperature gradient zone melting |
| 09/02/1980 | US4220626 RF Induction heating circuits for float zone refining of semiconductor rods |
| 08/19/1980 | US4218424 Apparatus for the zone pulling of monocrystal rods |
| 08/19/1980 | US4218282 Method of preparation of chrysoberyl and beryl single crystals |
| 07/01/1980 | US4210486 Process for determining the effective doping agent content of hydrogen for the production of semiconductors |
| 06/26/1980 | WO1980001333A1 Semiconductor device production |
| 05/06/1980 | US4201746 Apparatus for zone refining |
| 04/29/1980 | US4200555 Low work function hexaboride electron source |
| 04/29/1980 | US4200445 Method of densifying metal oxides |
| 04/22/1980 | US4199397 Spontaneous growth of large crystal semiconductor material by controlled melt perturbation |
| 04/08/1980 | US4197157 Method for forming refractory tubing |
| 04/01/1980 | US4196042 Freezing |
| 04/01/1980 | US4196041 Self-seeding conversion of polycrystalline silicon sheets to macrocrystalline by zone melting |
| 03/25/1980 | CA1074428A1 Process for producing large-size substrate-based semiconductor material |
| 02/26/1980 | US4190467 Depositing metal pattern on semiconductro wafer, including peripheral ring of metal adjacent wafer edge, heating to cause thermal gradient migration of the metal |
| 02/05/1980 | US4187139 Growth of single crystal bismuth silicon oxide |
| 02/05/1980 | US4187126 Growth-orientation of crystals by raster scanning electron beam |
| 01/29/1980 | US4186173 Apparatus for producing monocrystals |
| 01/22/1980 | CA1070222A1 Zone refiner automatic control |
| 01/15/1980 | US4184135 Breakapart single turn RF induction apparatus |
| 01/15/1980 | US4184065 Heating apparatus having ellipsoidal reflecting mirror |
| 12/11/1979 | US4178192 Promotion of surface film stability during initiation of thermal migration |
| 12/04/1979 | US4177372 Method and apparatus for laser zone melting |
| 12/04/1979 | US4177298 Reducing current noise, good signal-to-noise ratio |
| 11/27/1979 | US4176002 Controlling the melt temperature during zone refining and Czochralski crystal growth by sensing the viscous torque of the melt zone during operation |
| 10/23/1979 | US4171990 Migration of uniform fine lines for bodies of semiconductor materials having a (100) planar orientation of a major surface |
| 10/09/1979 | US4170496 Semiconductors |
| 10/09/1979 | US4170490 Process for thermal gradient zone melting utilizing a beveled wafer edge |
| 10/02/1979 | US4169755 Growth of crystalline rods of gallium arsenide in a crucible of specially treated fibrous silicon dioxide |
| 09/25/1979 | US4168992 Process for thermal gradient zone melting utilizing a beveled wafer and a beveled guard ring |
| 09/25/1979 | CA1062997A1 Support device for use in a crucible-free floating zone melting apparatus |
| 09/25/1979 | CA1062996A1 Method of preparation of semiconducting compounds |
| 09/18/1979 | CA1062438A1 Purification of hgl2 for nuclear detector fabrication |
| 09/11/1979 | CA1062130A1 Process for producing large-size self-supporting plates of silicon |
| 08/21/1979 | US4165249 Method of purifying germanium bodies |
| 08/14/1979 | US4164659 Method of monitoring the phase state of material in processes involving crystallization from melt and apparatus for performing same |
| 07/24/1979 | US4162367 Method of crucible-freeze zone-melting a semiconductor rod and apparatus for carrying out the method |
| 07/10/1979 | US4160679 Semiconductors |
| 06/26/1979 | US4159216 Enhanced line stability by alloying of deposition |
| 06/26/1979 | US4159215 Aluminum carrier, antimony dope, temperature gradient zone melting |
| 06/26/1979 | US4159213 Semiconductors |
| 06/05/1979 | US4157564 Deep diode devices |
| 05/01/1979 | CA1053545A1 Non-crucible zone-melting of a semi-conductor |
| 03/27/1979 | US4146567 Zone melting apparatus having resiliently biased cooling means |
| 02/27/1979 | US4141757 Uniform thermomigration utilizing sample movement |
| 02/21/1979 | EP0000720A1 Process for producing single crystal of yttrium-iron garnet solid solution |
| 02/20/1979 | US4140571 Solidifying glass or plastic against polycrystalline rod |
| 02/20/1979 | CA1048790A1 Continuous reflux refining of metals |
| 02/06/1979 | CA1047743A1 Method and apparatus for forming refractory tubing |
| 01/30/1979 | CA1047655A1 Manufacture of semiconductor films made from the liquid phase |
| 01/16/1979 | US4135027 Semiconductor element embodying an optical coating to enhance thermal gradient zone melting processing thereof |
| 01/02/1979 | US4132763 Process for the production of pure, silicon elemental semiconductor material |
| 01/02/1979 | CA1045523A1 N-conductivity silicon mono-crystals produced by neutron irradiation |
| 12/26/1978 | US4131659 Process for producing large-size, self-supporting plates of silicon |
| 12/26/1978 | CA1045211A1 Structure of single-turn induction coil for semiconductor rod melting |
| 11/21/1978 | US4126509 Process for producing phosophorous-doped silicon monocrystals having a select peripheral dopant concentration along a radial cross-section of such monocrystal |
| 11/07/1978 | USRE29825 Apparatus for crucible-free zone melting of semiconductor crystal rods |
| 11/07/1978 | USRE29824 Apparatus for crucible-free zone melting of semiconductor crystal rods |
| 10/24/1978 | CA1041177A1 Cooled capacitor container for semiconductor melting device |
| 10/17/1978 | US4120743 In semiconductor sheet material for solar cells, molten zones to elongate crystals |
| 10/10/1978 | US4119744 Method of manufacturing semiconductor devices in which a layer of semiconductor material is provided on a substrate |
| 10/10/1978 | CA1040076A1 Stabilized droplet method of making deep diodes |
| 09/12/1978 | US4113532 Process for producing large-size substrate-based semiconductor material utilizing vapor-phase deposition and subsequent resolidification |
| 08/29/1978 | US4110586 Manufacture of doped semiconductor rods |
| 08/22/1978 | US4109128 Method for the production of semiconductor rods of large diameter and device for making the same |
| 08/22/1978 | US4108685 Semiconductor device manufacture |
| 08/15/1978 | US4107448 Method and device for crucible-free floating zone melting |
| 08/08/1978 | US4105472 Semiconductors |
| 07/18/1978 | US4101759 Semiconductor body heater |
| 06/27/1978 | US4097226 Furnace for practising temperature gradient zone melting |
| 06/13/1978 | US4094730 Method for fabrication of high minority carrier lifetime, low to moderate resistivity, single crystal silicon |
| 05/30/1978 | US4092124 Apparatus for floating melt zone processing of a semiconductor rod |
| 05/23/1978 | US4091084 Mercuric iodide, repeated sublimation, zone refining |
| 05/02/1978 | US4087293 Mercury, cadium, tellurium, semiconductors |
| 05/02/1978 | US4087239 Apparatus for imparting combined centrosymmetric and noncentro-symmetric rotation to semiconductor bodies |
| 03/28/1978 | US4081293 Uniform thermomigration utilizing sample movement |
| 03/21/1978 | US4080478 Method for producing an InSb thin film |
| 03/21/1978 | US4080172 Zone refiner automatic control |
| 03/14/1978 | US4078897 Apparatus for producing monocrystals |
| 02/07/1978 | US4072556 Device for crucible-free floating-zone melting of a crystalline rod and method of operating the same |
| 11/29/1977 | US4060392 Device for the support of a crystalline rod |
| 11/15/1977 | US4058699 Radiant zone heating apparatus and method |
| 11/08/1977 | US4057395 Process for determining the donor content of polycrystalline silicon of high purity to be used in the semiconductor industries |
| 08/30/1977 | US4045278 Method and apparatus for floating melt zone of semiconductor crystal rods |
| 08/30/1977 | US4045183 For semiconductor crystalline rods |
| 08/30/1977 | US4045181 Of polycrystalline semiconductor rods to produce monocrystalline type |
| 08/23/1977 | US4043802 Purification, crystallization |
| 08/16/1977 | US4042454 Method of producing homogeneously doped n-type Si monocrystals by thermal neutron radiation |
| 08/16/1977 | US4042448 Post TGZM surface etch |
| 08/09/1977 | US4041278 Heating apparatus for temperature gradient zone melting |
| 08/09/1977 | US4040868 Alloying, melting, migration |
| 08/09/1977 | US4040171 Deep diode zeners |
| 08/02/1977 | US4039283 Apparatus for producing a controlled radial path of resistance in a semiconductor monocrystalline rod |
| 07/12/1977 | US4035600 Apparatus for crucible-free zone processing of a semiconductor rod |
| 07/12/1977 | US4035154 Separate cooling device |
| 06/28/1977 | US4031607 Minority carrier isolation barriers for semiconductor devices |