Patents
Sitemap › H01 - Basic electric elements › H01L - Semiconductor devices; Electric solid state devices not otherwise provided for › H01L 21 - Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
Patents for H01L 21 - Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof (658,974)
06/1991
06/05/1991EP0430095A2 Inner lead bonding inspecting method and inspection apparatus therefor
06/05/1991EP0430086A2 Hetero junction bipolar transistor and its manufacturing method
06/05/1991EP0430079A2 Chemical vapor deposition apparatus of in-line type
06/05/1991EP0430040A2 Method of forming a conductive via plug or an interconnect line of ductile metal within an integrated circuit using mechanical smearing
06/05/1991EP0430030A2 Method of forming an insulating film
06/05/1991EP0429979A2 Bandgap tuning of semiconductor quantum well structures
06/05/1991EP0429950A2 Junction field effect transistor and method of fabricating
06/05/1991EP0429905A2 Process for reducing the reflectivity of sputtered layers
06/05/1991EP0429885A2 Method of in-situ doping of deposited silicon
06/05/1991EP0429847A1 Method for pulling up single crystal silicon
06/05/1991EP0429839A1 Silicon single crystal growth control apparatus and method forming and using a temperature pattern of heater
06/05/1991EP0429834A1 A raised base bipolar transistor structure and its method of fabrication
06/05/1991EP0429809A2 Method and apparatus for etching semiconductor materials
06/05/1991EP0429739A1 Method for photoemission inspection of via studs in integrated circuit packages
06/05/1991EP0429697A1 Semiconductor wafer with doped kerf-regions
06/05/1991EP0429696A1 Field-effect transistor with a T-gate
06/05/1991EP0429686A1 Input protection structure for integrated circuits
06/05/1991EP0429664A1 Printed circuit board and method of mounting circuit parts
06/05/1991EP0429509A1 Method and apparatus for forming a side wall contact in a nonvolatile electrically alterable memory cell
06/05/1991EP0349633A4 Polysilicon thin film process and product
06/05/1991EP0298080B1 Method and apparatus for monitoring surface layer growth
06/05/1991CN1052006A Semiconductor device and method of manufacturing it
06/05/1991CN1052005A Liquid phase epitaxy isoelectron doping process
06/05/1991CN1012778B Method for fabricating solar array
06/05/1991CN1012776B Process for forming mos transistor with buried oxide regions for insulation
06/05/1991CN1012775B Semiconductor bottom material
06/05/1991CN1012774B Bipolar transistor fabrication utilizing cmos techniques
06/05/1991CN1012741B Radio frequency sputtering method for manufacturing semiconductor compound thin film
06/04/1991US5022061 An image focusing means by using an opaque object to diffract x-rays
06/04/1991US5022005 Semiconductor memory device having plural biasing circuits for substrate
06/04/1991US5022000 Semiconductor memory device
06/04/1991US5021999 Non-volatile semiconductor memory device with facility of storing tri-level data
06/04/1991US5021998 Semiconductor memory device with low-house pads for electron beam test
06/04/1991US5021981 Thermal memory cell and thermal system evaluation
06/04/1991US5021920 Multilevel integrated circuit capacitor and method of fabrication
06/04/1991US5021869 Monolithic semiconductor chip interconnection technique and arrangement
06/04/1991US5021868 IC carrier
06/04/1991US5021866 An insulating film
06/04/1991US5021865 Lead frame for semiconductor device
06/04/1991US5021862 Beveled semiconductor silicon wafer and manufacturing method thereof
06/04/1991US5021860 Integrated device for shielding the injection of charges into the substrate
06/04/1991US5021859 High-frequency amplifying semiconductor device
06/04/1991US5021857 Two dimensional electron gas semiconductor device
06/04/1991US5021854 Silicon avalanche photodiode array
06/04/1991US5021853 N-channel clamp for ESD protection in self-aligned silicided CMOS process
06/04/1991US5021851 NMOS source/drain doping with both P and As
06/04/1991US5021850 Silicon thin film transistor
06/04/1991US5021849 Compact SRAM cell with polycrystalline silicon diode load
06/04/1991US5021847 Split gate memory array having staggered floating gate rows and method for making same
06/04/1991US5021846 MOS semiconductor device with an inverted U-shaped gate
06/04/1991US5021845 Semiconductor device and process fabrication thereof
06/04/1991US5021844 Semiconductor device
06/04/1991US5021843 Semiconductor integrated circuit
06/04/1991US5021842 Trench DRAM cell with different insulator thicknesses
06/04/1991US5021693 Control circuit for floating gate four-quadrant analog multiplier
06/04/1991US5021672 Ablation of one or more molecular layers of metal chalcogenide with tunneling current in an air atmosphere
06/04/1991US5021630 Laser soldering method and apparatus
06/04/1991US5021585 Engineering thermoplastics; good optics, heat and oxidation resistance
06/04/1991US5021365 Compound semiconductor interface control using cationic ingredient oxide to prevent fermi level pinning
06/04/1991US5021364 Microcantilever with integral self-aligned sharp tetrahedral tip
06/04/1991US5021363 Method of selectively producing conductive members on a semiconductor surface
06/04/1991US5021362 Laser link blowing in integrateed circuit fabrication
06/04/1991US5021361 Epitaxial growth of multilayer
06/04/1991US5021360 Molecular beam epitaxial growth of multilayer
06/04/1991US5021359 Radiation hardened complementary transistor integrated circuits
06/04/1991US5021358 Forming silicon oxide layer from silicon substrate oxidation, removing a part of grown oxide layer to expose substrate for vapor deposition of tungsten
06/04/1991US5021357 Method of making a dram cell with stacked capacitor
06/04/1991US5021356 Method of making MOSFET depletion device
06/04/1991US5021355 Method of fabricating cross-point lightly-doped drain-source trench transistor
06/04/1991US5021354 Process for manufacturing a semiconductor device
06/04/1991US5021353 Split-polysilicon CMOS process incorporating self-aligned silicidation of conductive regions
06/04/1991US5021225 Crystal pulling apparatus and crystal pulling method using the same
06/04/1991US5021129 Multilayer structures of different electroactive materials and methods of fabrication thereof
06/04/1991US5021121 Reactive ion etching by flowing an inert gas and trifluoromethane into an enclosure while controlling the power level of the plasma
06/04/1991US5021120 Using ultrasonically vibrated etchant bath
06/04/1991US5021119 Reducing defects by removing portions of protective layer, amorphizing and regrowing exposed region
06/04/1991US5021118 Crystallization, having uniform impurity concentration; seeding
06/04/1991US5021103 Method of forming microcrystalline silicon-containing silicon carbide film
06/04/1991US5020775 Isolation valve used in a single crystal pulling apparatus
06/04/1991US5020715 Bonding method
06/04/1991US5020476 Distributed source assembly
06/04/1991US5020474 Apparatus for vapor phase epitaxial growth
06/04/1991US5020376 Microenvironmental sensors
06/04/1991US5020219 Method of making a flexible tester surface for testing integrated circuits
06/04/1991US5020200 Apparatus for treating a wafer surface
06/04/1991CA1284692C Multilayer interconnection system for multichip high performance semiconductor packaging
06/04/1991CA1284691C Integrated resistance on a semiconductor substrats
06/02/1991CA2031254A1 Doping method of barrier region in semiconductor device
06/02/1991CA2031253A1 Method of producing bipolar transistor
06/02/1991CA2031252A1 Doping method of impurity into semicondutor trench wall
06/02/1991CA2031251A1 Method of doping impurity into semiconductor films and patterned semiconductor strip
06/01/1991CA2011477A1 Process for producing electrical connections on a universal substrate and apparatus for the same
05/1991
05/31/1991CA2031090A1 Bandgap tuning of semiconductor quantum well structures
05/30/1991WO1991007779A1 Silicon bipolar junction transistors
05/30/1991WO1991007775A1 Hybrid circuit structure and methods of fabrication
05/30/1991WO1991007774A1 Process and device for producing a silicate layer in an integrated circuit
05/30/1991WO1991007773A1 Method of vacuum-processing substrate and device thereof
05/30/1991WO1991007683A1 Specimen review station
05/30/1991WO1991007550A1 Quartz integrated trough/sump recirculating filtered high-purity chemical bath
05/30/1991WO1991007520A1 Method and apparatus for thin film formation, device, electro-magnetic apparatus, data recording/reproduction apparatus, signal processor, and method of producing molten crystal
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