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)
05/1990
05/08/1990US4924284 Method of trench filling
05/08/1990US4924283 Heterojunction bipolar transistor and process for fabricating same
05/08/1990US4924280 Semiconductor fet with long channel length
05/08/1990US4924277 MIS transistor device
05/08/1990US4924258 Mask holder and a mask conveying and holding mechanism using the same
05/08/1990US4924257 Scan and repeat high resolution projection lithography system
05/08/1990US4924212 Temperature threshold detection circuit
05/08/1990US4924118 Programmable logic array with interfacial plane
05/08/1990US4924104 Ion beam apparatus and method of modifying substrate
05/08/1990US4924073 Method of controlling heat treatment apparatus for substrate
05/08/1990US4924033 Circuit boards with terminal pins bonded by brazing paste containing group 4a element and high melting metal particles
05/08/1990US4923828 Gaseous cleaning method for silicon devices
05/08/1990US4923827 T-type undercut electrical contact process on a semiconductor substrate
05/08/1990US4923826 Method for forming dielectrically isolated transistor
05/08/1990US4923825 Method of treating a semiconductor body
05/08/1990US4923824 Simplified method of fabricating lightly doped drain insulated gate field effect transistors
05/08/1990US4923823 Depositing a high melting point metallic film, a thin high melting point metal film and an insulative film on a substrate; anisotropically etching
05/08/1990US4923822 Annealing at low temperature, etching to remove nitride layer, annealing at high temperature to form silicide
05/08/1990US4923821 Forming trench in semiconductor substrate with rounded corners
05/08/1990US4923820 IC which eliminates support bias influence on dielectrically isolated components
05/08/1990US4923689 Heat treatment and coating with organic phosphoric acid
05/08/1990US4923584 Sealing apparatus for a vacuum processing system
05/08/1990US4923564 Selective etching process
05/08/1990US4923563 Silicon nitride oxidation
05/08/1990US4923562 Processing of etching refractory metals
05/08/1990US4923526 Reacting gas and metal; semiconductors, integrated circuits
05/08/1990US4923521 Method and apparatus for removing solder
05/08/1990US4923353 Apparatus for automated cassette handling
05/08/1990US4923352 System for manufacturing semiconductor under clean condition
05/08/1990US4923301 Alignment of lithographic system
05/08/1990US4923300 Defraction photoelectric position measuring system
05/08/1990US4923100 Process for producing clad sheets
05/08/1990US4923054 Wafer transfer apparatus having an improved wafer transfer portion
05/08/1990CA2001910A1 Method of retouching pattern
05/08/1990CA1268862A1 Method for the manufacture of complementary mos field effect transistors in vlsi technology
05/08/1990CA1268688A1 Chemical vapor deposition method for the thin film of semiconductor
05/05/1990CA2002149A1 Positive photoresists of the polyimide type
05/03/1990WO1990004855A1 Nonvolatile semiconductor memory and method of producing the same
05/02/1990EP0366590A2 Highly sensitive positive photoresist compositions
05/02/1990EP0366587A2 Semiconductor devices having closely spaced device regions formed using a self aligning reverse image fabrication process
05/02/1990EP0366553A2 Test device and method for testing electronic device and semiconductor device having the test device
05/02/1990EP0366552A2 Method of manufacturing a heterojunction bipolar transistor
05/02/1990EP0366503A2 Chemical compositions for improving photolithographic performance
05/02/1990EP0366460A2 Process for production of semiconductor device
05/02/1990EP0366423A2 Manufacturing method of semiconductor non-volatile memory device
05/02/1990EP0366367A2 Charged particle beam exposure method
05/02/1990EP0366343A2 Integrated circuit fabrication, including low temperature method for making silicide structures
05/02/1990EP0366338A2 A substrate for an electrical circuit system and a circuit system using that substrate
05/02/1990EP0366282A2 Cavity packages
05/02/1990EP0366276A2 Method for forming crystal
05/02/1990EP0366259A2 A process for interconnecting thin-film electrical circuits
05/02/1990EP0366220A1 Positive retention chip carrier
05/02/1990EP0366213A1 Darlington device with an ultra-light weight emitter speed-up transistor, and relative manufacturing method
05/02/1990EP0366208A2 Method for bonding silicon wafers together, for manufacturing semiconductor devices
05/02/1990EP0366173A1 Epitaxy reactor with an improved gas collector
05/02/1990EP0366027A2 Wafer flood polishing
05/02/1990EP0366013A2 Selective dielectric deposition on horizontal features of an integrated circuit subassembly
05/02/1990EP0365933A2 Moistureproof coating composition for electronic components
05/02/1990EP0365919A2 Method of bonding gold or gold alloy wire to solder
05/02/1990EP0365881A2 Composition capable of being imaged and use of such a composition
05/02/1990EP0365875A2 Capped anneal
05/02/1990EP0365854A2 Semiconductor device having a multi-layered wiring structure
05/02/1990EP0365807A1 Bonding of metallic surfaces
05/02/1990EP0365783A2 Multilevel integrated circuit packaging structures
05/02/1990EP0365754A1 Enhandement of ultraviolet laser ablation and etching of organic solids
05/02/1990EP0365589A1 Method and apparatus for aligning silicon wafers.
05/02/1990CN1041849A Method of manufacturing electric devices
05/02/1990CN1041841A Method and apparatus for creating photomask for projecting image
05/01/1990US4922500 Cross-coupled quantum-well stripe laser array
05/01/1990US4922492 Architecture and device for testable mixed analog and digital VLSI circuits
05/01/1990US4922460 Semiconductor memory device with folded bit line structure suitable for high density
05/01/1990US4922453 Bit line structure of dynamic type semiconductor memory device
05/01/1990US4922403 Voltage multiplier circuit with reduced back-gate bias effect
05/01/1990US4922377 Module and a substrate for the module
05/01/1990US4922367 Circuit for preventing latch-up of parasitic thyristor formed in CMOS integrated circuit
05/01/1990US4922323 Hermetically sealed multilayer electrical feedthru
05/01/1990US4922322 Bump structure for reflow bonding of IC devices
05/01/1990US4922321 Semiconductor device and a method of producing same
05/01/1990US4922320 Integrated circuit metallization with reduced electromigration
05/01/1990US4922319 Semiconductor programmable memory device
05/01/1990US4922318 Bipolar and MOS devices fabricated on same integrated circuit substrate
05/01/1990US4922316 For a semiconductor integrated circuit
05/01/1990US4922315 Control gate lateral silicon-on-insulator bipolar transistor
05/01/1990US4922313 Process for manufacturing semiconductor memory device and product formed thereby
05/01/1990US4922311 Folded extended window field effect transistor
05/01/1990US4922310 Field-effect transistor
05/01/1990US4922290 Semiconductor exposing system having apparatus for correcting change in wavelength of light source
05/01/1990US4922140 CMOS/NMOS integrated circuit with supply voltage delay variation compensation
05/01/1990US4922136 Master slice integrated circuit having high and low speed unit cells
05/01/1990US4922133 Voltage detecting circuit
05/01/1990US4922129 Feed forward darlington circuit with reduced NPN reverse beta sensitivity
05/01/1990US4922117 Photoelectric conversion device having a constant potential wiring at the sides of the common wiring
05/01/1990US4922106 Ion beam scanning method and apparatus
05/01/1990US4922097 Potential measurement device
05/01/1990US4921817 Substrate for high-intensity led, and method of epitaxially growing same
05/01/1990US4921816 Method of making a trench dram
05/01/1990US4921815 Method of producing a semiconductor memory device having trench capacitors
05/01/1990US4921814 Method of producing an MMIC
05/01/1990US4921813 Method for making a polysilicon transistor
05/01/1990US4921812 Process of fabricating field effect transistor device
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