Patents
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)
03/1981
03/03/1981US4253919 Electrodeposition of cadmium-selenium semiconducting photoelectrodes from an acid citrate bath
03/03/1981US4253907 Anisotropic plasma etching
03/03/1981US4253888 Pretreatment of photoresist masking layers resulting in higher temperature device processing
03/03/1981US4253887 Method of depositing layers of semi-insulating gallium arsenide
03/03/1981US4253280 Method of labelling directional characteristics of an article having two opposite major surfaces
03/03/1981US4253229 Self-aligned narrow gate MESFET process
03/03/1981CA1096969A1 Charge transfer device
02/1981
02/25/1981EP0024222A1 Process of manufacturing a field-effect transistor with self-aligned SCHOTTKY-Gate
02/25/1981EP0024125A1 Process for producing a semiconductor device
02/25/1981EP0024111A1 Photovoltaic systems, semiconductor photoelectrodes and processes of making semiconductors
02/25/1981EP0024094A1 Method of producing semiconductor devices
02/24/1981US4253111 Apparatus for bonding leads to semiconductor chips
02/24/1981US4253034 Integratable semi-conductor memory cell
02/24/1981US4253029 Mask structure for x-ray lithography
02/24/1981US4252991 Multi-layer printed circuit
02/24/1981US4252861 Melting, tilting
02/24/1981US4252840 Method of manufacturing a semiconductor device
02/24/1981US4252595 Etching apparatus using a plasma
02/24/1981US4252582 Evaporation, dopes
02/24/1981US4252581 Concurrently depositing polycrystalline silicon over silicon oxide surface, epitaxial over pedestal silicon
02/24/1981US4252580 Indium phosphide, silicon dioxide
02/24/1981US4252579 Method for making single electrode U-MOSFET random access memory utilizing reactive ion etching and polycrystalline deposition
02/24/1981US4252576 Epitaxial wafer for use in production of light emitting diode
02/24/1981US4252574 Low leakage N-channel SOS transistors and method of making them
02/24/1981CA1096499A1 Semiconductor ram cells having superimposed capacitors
02/24/1981CA1096498A1 Ccd radiation sensor
02/24/1981CA1096496A1 Charge coupled devices
02/24/1981CA1096136A1 Phosphorus-nitrogen-oxygen composition and method for making such composition and applications of the same
02/19/1981WO1981000490A1 Semiconductor memory device
02/19/1981WO1981000489A1 Semiconductor embedded layer technology
02/19/1981WO1981000488A1 Multistage avalanche photodetector
02/19/1981WO1981000487A1 Hydrogen annealing process for silicon gate memory device
02/19/1981WO1981000486A1 Photo-induced temperature gradient zone melting
02/19/1981WO1981000420A1 High capacity etching apparatus
02/18/1981EP0024057A1 Single step formation of PN junction in silicon cell and coating thereon
02/18/1981EP0023925A1 Method of producing insulating film for semiconductor surfaces and semiconductor device with such film
02/18/1981EP0023911A1 Controlling the properties of native films using selective growth chemistry.
02/17/1981US4251876 Extremely low current load device for integrated circuit
02/17/1981US4251829 Insulated gate field-effect transistor
02/17/1981US4251828 Semiconductor device and process for producing the same
02/17/1981US4251728 Compensated magnetic deflection coil for electron beam lithography system
02/17/1981US4251621 Selective metal etching of two gold alloys on common surface for semiconductor contacts
02/17/1981US4251571 Method for forming semiconductor structure with improved isolation between two layers of polycrystalline silicon
02/17/1981US4251570 Cold substrate growth technique for silicon-on-ceramic
02/17/1981US4251327 For p-n junction of a photoelectric device
02/17/1981US4251317 Bubbling nitrogen through the etchant bath to agitate the wafers
02/17/1981US4251300 Method for forming shaped buried layers in semiconductor devices utilizing etching, epitaxial deposition and oxide formation
02/17/1981US4251299 Planar epitaxial refill using liquid phase epitaxy
02/17/1981US4251289 Thermo-electric diffusion
02/17/1981US4251285 Applying solution of oxides to surface, heating
02/17/1981US4251160 Method and arrangement for aligning a mask pattern relative to a semiconductor substrate
02/17/1981CA1096052A1 Method of manufacturing a gate turn-off thyristor
02/17/1981CA1096042A1 Introducing signal to charge-coupled circuit
02/17/1981CA1095760A1 Achromatic unit magnification optical system
02/11/1981EP0023818A2 Semiconductor integrated circuit device including a master slice and method of making the same
02/11/1981EP0023810A1 Method of electron beam exposure
02/11/1981EP0023791A1 CMOS semiconductor device
02/11/1981EP0023782A2 Semiconductor device comprising EAROM cells
02/11/1981EP0023775A1 A method of manufacturing a semiconductor device
02/11/1981EP0023723A2 Multistage avalanche photodetector
02/11/1981EP0023709A1 System for controlling the exposure time of a photoresist layer
02/11/1981EP0023662A1 Heat-resistent positive photoresists and process for the preparation of heat-resistent relief structures
02/11/1981EP0023656A1 Charge storage type semiconductor device
02/11/1981EP0023574A1 Opto-electronic system for automatically testing the quality of printed-circuit boards, their intermediate products and printing tools
02/11/1981EP0023534A2 Semiconductor device mounting structure and method of mounting
02/11/1981EP0023528A1 Double diffused transistor structure and method of making same
02/10/1981US4250568 Capacitor semiconductor storage circuit
02/10/1981US4250520 Flip chip mounted diode
02/10/1981US4250519 Semiconductor devices having VMOS transistors and VMOS dynamic memory cells
02/10/1981US4250516 Multistage avalanche photodetector
02/10/1981US4250407 Multi function patch pin circuit
02/10/1981US4250347 Method of encapsulating microelectronic elements
02/10/1981US4250248 Photopolymerizable mixture containing unsaturated polyurethane
02/10/1981US4250206 Method of making non-volatile semiconductor memory elements
02/10/1981US4250205 Thermal decomposition of a coordination compound
02/10/1981US4249970 Exposure to an oxygen-boron tribromide gas mixture to form a boron glass layer over a silicon hexabromide layer; removal of glass; heat treatment
02/10/1981US4249968 Heat treatment to diffuse dopant; prevention of grain growth and voids
02/10/1981US4249962 Method of removing contaminating impurities from device areas in a semiconductor wafer
02/10/1981US4249960 Laser rounding a sharp semiconductor projection
02/10/1981US4249299 Edge-around leads for backside connections to silicon circuit die
02/10/1981CA1095310A1 Etching process utilizing the same positive photoresist layer for two etching steps
02/05/1981WO1981000327A1 Laser annealed double conductor structure
02/05/1981WO1981000326A1 Silicon on sapphire laser process
02/04/1981EP0023429A2 Dry etching of metal film
02/04/1981EP0023294A2 Method for repairing integrated circuits
02/04/1981EP0023261A1 Compensated magnetic deflection coil for electron beam lithography systems
02/04/1981EP0023241A2 Low-ohmic conductor for a semiconductor device and process for its manufacture
02/04/1981EP0023231A1 Optical lithographic method and apparatus for copying a pattern onto a semiconductor wafer
02/03/1981USRE30505 Process and material for manufacturing semiconductor devices
02/03/1981US4249195 Mesa-type transistor and method of producing same
02/03/1981US4249193 LSI Semiconductor device and fabrication thereof
02/03/1981US4249191 Stripped nitride structure and process therefor
02/03/1981US4249190 Floating gate vertical FET
02/03/1981US4248948 Photomask
02/03/1981US4248688 Ion milling of thin metal films
02/03/1981US4248683 With protective coatings
02/03/1981US4248508 Projection mask storage and carrier system
02/03/1981US4248346 Shipping container for semiconductor substrate wafers
02/03/1981CA1095184A1 Semiconductor junction-isolated pnpn crosspoint switch
02/03/1981CA1095183A1 Semiconductor device made by ion implantation