Patents for C30B 33 - After-treatment of single crystals or homogeneous polycrystalline material with defined structure (6,009) |
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10/15/1981 | WO1981002948A1 Methods of producing sheets of crystalline material and devices made therefrom |
10/06/1981 | US4293590 Hermetic sealing, quartz capsules |
10/06/1981 | US4293589 Process for high pressure oxidation of silicon |
10/06/1981 | US4293099 Recovery of silicon carbide whiskers from coked, converted rice hulls by froth flotation |
09/08/1981 | US4287869 Charging system for cutting blade |
07/07/1981 | US4277307 Method of restoring Si crystal lattice order after neutron irradiation |
06/23/1981 | US4275094 Process for high pressure oxidation of silicon |
06/16/1981 | US4273609 Rinse melt for LPE crystals |
05/27/1981 | EP0029146A1 Vapor growth method |
05/19/1981 | US4268538 High-pressure, high-temperature gaseous chemical method for silicon oxidation |
05/12/1981 | US4266507 Cap-mounting mechanism for apparatus for thermal treatment of semiconductors |
04/29/1981 | EP0027674A1 Process for producing a disc resonator with a single crystal of magnetic garnet material |
04/28/1981 | CA1100093A1 Properties of crystals |
04/16/1981 | WO1981001016A1 Minimization of strain in single crystals |
03/17/1981 | US4256571 Recovery of silicon carbide whiskers from coked, converted rice hulls by selective flocculation-liquid extraction |
03/17/1981 | US4256535 Method of polishing a semiconductor wafer |
03/03/1981 | US4253731 Infrared fiber of AgCl clad AgBr and method of fabrication |
03/03/1981 | US4253417 Closure for thermal reactor |
02/17/1981 | US4251317 Bubbling nitrogen through the etchant bath to agitate the wafers |
02/10/1981 | US4249700 Recovery of silicon carbide whiskers from coked, converted rice hulls by liquid-liquid separation |
01/20/1981 | US4246003 Lap cutting abrasive |
01/14/1981 | EP0022280A1 Process for the chemical etching of silicon substrates |
01/07/1981 | EP0020993A1 Process for the characterization of the oxygen content of silicon rods drawn by the Czochralski method |
01/06/1981 | US4243473 Method for detecting crystal defects in semiconductor silicon and detecting solution therefor |
12/02/1980 | US4236487 Crystal plating apparatus |
10/30/1980 | WO1980002247A1 Method of processing diamonds |
10/07/1980 | US4226623 Method for polishing a single crystal or gadolinium gallium garnet |
09/16/1980 | US4222839 Workpiece holder and method for plasma reactor apparatus |
09/16/1980 | US4222794 Single crystal nickel superalloy |
09/02/1980 | US4220483 Method of increasing the gettering effect in the bulk of semiconductor bodies utilizing a preliminary thermal annealing step |
09/02/1980 | US4220116 Reactant gas flow structure for a low pressure chemical vapor deposition system |
08/26/1980 | US4219199 Molybdenum insoluble in hydrogen peroxide |
08/20/1980 | EP0014528A1 A method of reducing the colour of diamond |
08/19/1980 | CA1084172A1 Process for slicing boules of single crystal material |
08/05/1980 | CA1083253A1 Manufacture of semiconductor ribbon and solar cells |
06/24/1980 | US4209008 Photon absorbing surfaces and methods for producing the same |
05/20/1980 | US4203387 Cage for low pressure silicon dioxide deposition reactors |
05/14/1980 | EP0010952A1 Method and apparatus for heating semiconductor wafers |
05/14/1980 | EP0010920A1 Liquid phase epitaxial process |
04/29/1980 | US4200506 Irradiation with protons, changing crystal lattice structure |
04/16/1980 | EP0009677A1 Quaternary solution for the chemical etching of silicon and method for etching using such a solution |
04/08/1980 | US4196963 Method for eliminating Li2 O out-diffusion in LiNbO3 and LiTaO3 waveguide structures |
03/19/1980 | EP0008661A1 Process for the preliminary heating of semiconductor bodies in view of subsequently increasing their internal gettering effect |
03/18/1980 | US4193783 Method of treating a silicon single crystal ingot |
02/12/1980 | US4187828 Cutting |
02/05/1980 | US4187140 Ethylenediamine, pyrocatechol and a diazine |
01/29/1980 | US4186032 Superheated steam |
01/15/1980 | US4184079 Radiation toughening of diamonds |
12/25/1979 | US4180432 Process for etching SiO2 layers to silicon in a moderate vacuum gas plasma |
12/04/1979 | US4177094 Semiconductors |
12/04/1979 | US4177084 Method for producing a low defect layer of silicon-on-sapphire wafer |
11/13/1979 | US4174380 Annealing synthetic diamond type Ib |
10/30/1979 | CA1065233A1 Heat treatment of cadmium mercury telluride |
10/16/1979 | US4171400 Shaped press-forged normally frangible inorganic crystals |
10/16/1979 | CA1064601A1 Manufacture of semiconductor ribbon |
09/18/1979 | US4167915 High-pressure, high-temperature gaseous chemical apparatus |
08/14/1979 | CA1060319A1 Composite single crystal article |
07/17/1979 | US4161412 Aligned molybdenum fiber a-phase |
06/27/1979 | EP0002503A1 Method of etching silicon dioxide |
06/05/1979 | CA1055819A1 Stabilization of aluminum arsenide |
05/15/1979 | US4154192 Oxide film; high pressure |
05/01/1979 | US4152536 Solar cells |
04/17/1979 | CA1052665A1 Fluid agitation cleaning system |
03/13/1979 | US4143544 Applying powder to electrostatically charged surface |
02/20/1979 | CA1048790A1 Continuous reflux refining of metals |
11/07/1978 | US4124698 Method of chemically sharpening monocrystalline ribbon |
11/07/1978 | CA1041878A1 Method of producing defectless epitaxial layer of gallium phosphide |
09/26/1978 | US4116725 Heat treatment of cadmium mercury telluride and product |
07/25/1978 | US4103137 Cutting of materials by spark erosion |
06/27/1978 | US4097636 Metallized device |
06/20/1978 | US4095329 Manufacture of semiconductor ribbon and solar cells |
06/06/1978 | US4092972 Process of cutting wafers |
04/18/1978 | US4084354 Process for slicing boules of single crystal material |
04/04/1978 | US4081928 Silicon slice carrier block and plug assembly |
03/21/1978 | US4079522 Apparatus and method for cleaning and drying semiconductors |
02/28/1978 | US4076572 Crystal growth and anneal of lead tin telluride by recrystallization from a heterogeneous system |
01/31/1978 | US4071396 Vapor phase equilibrium |
01/31/1978 | US4071323 Diffusion crucible and slab member with common metal component in the vapor phase |
12/13/1977 | US4062660 Method of producing nickel coated diamond particles |
10/04/1977 | US4052584 Method and apparatus for cutting insulating material |
10/04/1977 | US4052251 Silicon dioxide-silicon nitride etch mask |
09/06/1977 | US4046618 Method for preparing large single crystal thin films |
08/23/1977 | US4043802 Purification, crystallization |
08/16/1977 | US4042419 Process for the removal of specific crystal structure defects from semiconductor discs and the product thereof |
07/26/1977 | US4038117 Process for gas polishing sapphire and the like |
07/19/1977 | US4036666 Manufacture of semiconductor ribbon |
07/05/1977 | US4033792 Composite single crystal article |
07/05/1977 | US4033027 Dividing metal plated semiconductor wafers |
06/21/1977 | US4031190 High strength halide alloys |
04/19/1977 | US4018184 Apparatus for treatment of semiconductor wafer |
04/05/1977 | US4016006 Method of heat treatment of wafers |
04/05/1977 | US4015615 Fluid application system |
01/11/1977 | US4002505 Annealing in presence of arsenic vapor |
01/04/1977 | US4001858 Simultaneous molecular beam deposition of monocrystalline and polycrystalline iii(a)-v(a) compounds to produce semiconductor devices |
11/23/1976 | US3993534 Method of producing single crystals of gadolinium molybdate family |
10/05/1976 | US3984263 Method of producing defectless epitaxial layer of gallium |
09/07/1976 | US3979232 Mercury cadmium telluride annealing procedure |
08/31/1976 | US3977071 High depth-to-width ratio etching process for monocrystalline germanium semiconductor materials |
08/10/1976 | US3973952 Nickel, chromium, titanium, aluminum, tungsten, molybdenum, tantalum |
07/06/1976 | US3967355 Composite single crystal article |