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)
09/1991
09/19/1991WO1991013693A1 Marking or erasing on semiconductor chip package
09/19/1991DE4107883A1 Semiconductor device - contains gate electrodes formed on insulation regions between impurity regions
09/19/1991DE4008215A1 Base material for electrical conductor patterns - comprises substrate covered with layer of mesoscopic metal particles on which conductor tracks can be made by irradiation
09/19/1991DE4007924A1 Radiation-sensitive mixt., esp. for positive photoresists - contains phenolic resin binder in which 30-70 per cent of hydroxyl gps. are protected, esp. by 2-tetra:hydro-pyranyl or -furanyl gps.
09/18/1991EP0447327A2 Heterostructure semiconductor device
09/18/1991EP0447178A1 High frequency ultrasonic system
09/18/1991EP0447175A2 Method of manufacture of semiconductor devices
09/18/1991EP0447170A2 Method of bonding bumps to leads of tab tape and an apparatus for arranging bumps used for the same
09/18/1991EP0447155A2 Wafer heaters for use in semi-conductor-producing apparatus, heating units using such wafer heaters, and production of heaters
09/18/1991EP0447132A1 Reflection-type photomask and reflection-type photolithography method
09/18/1991EP0447111A1 Resist composition and pattern formation process
09/18/1991EP0447087A1 Tool exchange system for hybrid die bonder
09/18/1991EP0447085A2 Device for monotoring wire supply and consumption
09/18/1991EP0447083A1 Die eject system for die bonder
09/18/1991EP0447082A1 Die presentation system for die bonder
09/18/1991EP0447057A2 Digital computer with non-hierarchical memory
09/18/1991EP0447037A1 Molding pot having configured bottom
09/18/1991EP0446939A2 Method of manufacturing semiconductor device
09/18/1991EP0446937A2 Method of manufacturing a semiconductor device using bonding wires of different material
09/18/1991EP0446893A1 Method of manufacturing semiconducting devices having floating gates
09/18/1991EP0446887A1 Laser, direct-write integrated circuit production system
09/18/1991EP0446868A1 Tape carrier having improved test pads
09/18/1991EP0446857A2 Alignment mark, in particular for semiconductor device
09/18/1991EP0446728A2 Dual-tone imaging using novolac photoresists and carbodiimides
09/18/1991EP0446666A2 Solder interconnection structure on organic substrates and process for making
09/18/1991EP0446657A1 Method for preparing a shield to reduce particles in a physical vapor deposition chamber
09/18/1991EP0446580A1 Solder interconnection structure with encapsulant and composition of the latter
09/18/1991EP0446532A2 Method of manufacturing semiconductor device
09/18/1991EP0446525A1 Crystal growth method and apparatus
09/18/1991EP0446438A2 Method of setting the voltage in a well-defined manner in semiconductor devices which withstand voltage-breakover firing and semiconductor devices having a well-defined breakover voltage
09/18/1991EP0446346A1 Three dimensional microcircuit structure and process for fabricating the same from ceramic tape
09/18/1991EP0397780A4 Ic with means for reducing esd damage
09/18/1991EP0149683B1 Method of manufacturing semiconductor devices
09/18/1991EP0146357B1 Semiconductor memory device
09/18/1991CN2084870U Fixing structure of tool on grinding head for interal microtome
09/18/1991CN1054688A Energization coil device, method of making such device and electromagnetic micromotor fitted therewith
09/18/1991CN1013965B Selective growth of diamond membrane in vapor phase
09/17/1991WO1991014281A1 Etching method for obtaining at least one cavity in a substrate and substrate obtained by such method
09/17/1991US5050196 Radiation gauge
09/17/1991US5050123 Radiation shield for EPROM cells
09/17/1991US5049980 Electronic circuit device and method of manufacturing same
09/17/1991US5049977 Plastic molded type semiconductor device
09/17/1991US5049975 Multilayer structure; refractory silicide, nitride
09/17/1991US5049970 High resistive element
09/17/1991US5049968 Dielectrically isolated substrate and semiconductor device using the same
09/17/1991US5049967 Semiconductor integrated circuit device and a method for manufacturing the same
09/17/1991US5049964 Bipolar transistor and method of manufacturing the same
09/17/1991US5049959 Semiconductor integrated circuit device
09/17/1991US5049958 Stacked capacitors for VLSI semiconductor devices
09/17/1991US5049957 MOS type dynamic random access memory
09/17/1991US5049956 Memory cell structure of semiconductor memory device
09/17/1991US5049955 Semiconductor ballistic electron velocity control structure
09/17/1991US5049954 GaAs field effect semiconductor device having Schottky gate structure
09/17/1991US5049951 Superlattice field effect transistor with monolayer confinement
09/17/1991US5049784 Electron generating apparatus
09/17/1991US5049764 Active bypass for inhibiting high-frequency supply voltage variations in integrated circuits
09/17/1991US5049718 Method of laser bonding for gold, gold coated and gold alloy coated electrical members
09/17/1991US5049526 Method for fabricating semiconductor device including package
09/17/1991US5049525 Iterative self-aligned contact metallization process
09/17/1991US5049524 Cd diffusion in InP substrates
09/17/1991US5049522 Semiconductive arrangement having dissimilar, laterally spaced layer structures, and process for fabricating the same
09/17/1991US5049521 Method for forming dielectrically isolated semiconductor devices with contact to the wafer substrate
09/17/1991US5049520 Enlargement of storage cell
09/17/1991US5049518 Method of making a trench dram cell
09/17/1991US5049517 Method for formation of a stacked capacitor
09/17/1991US5049516 Method of manufacturing semiconductor memory device
09/17/1991US5049514 Semiconductor with polysilicon on gate dielectric
09/17/1991US5049513 Bi CMOS/SOI process flow
09/17/1991US5049512 Method of forming a MOS field-effect transistor
09/17/1991US5049461 Scanning tunneling microscope
09/17/1991US5049460 Semiconductor membrane containing recesses
09/17/1991US5049434 Pre-patterned device substrate device-attach adhesive transfer system
09/17/1991US5049367 Aluminum nitride powder and process for preparation of the same
09/17/1991US5049251 Glow discharge, gas flow
09/17/1991US5049201 Crown compounds
09/17/1991US5049200 Hydrogen peroxide, 1A-2A salt
09/17/1991US5049055 Mold assembly
09/17/1991US5049029 Handling apparatus for transferring a semiconductor wafer or LCD
09/17/1991US5048968 Alignment mark detecting optical system
09/17/1991US5048967 Detection optical system for detecting a pattern on an object
09/17/1991US5048926 Illuminating optical system in an exposure apparatus
09/17/1991US5048800 Furnaces; insulated multilayer tubes
09/17/1991US5048744 Improved wetting during fusion
09/17/1991US5048408 Bundling device
09/17/1991US5048201 Laminar flow system for drying parts
09/17/1991US5048180 Method of bonding a semiconductor device with a substrate
09/17/1991US5048178 Alignment--registration tool for fabricating multi-layer electronic packages
09/17/1991US5048164 Vertical heat-treatment apparatus having boat transfer mechanism
09/17/1991CA2053859A1 Etching method for obtaining at least one cavity in a substrate and substrate obtained by such method
09/17/1991CA1289271C Method of manufacturing devices including a semiconductor/dielectric interface
09/17/1991CA1289270C Plasma amplified photoelectron process endpoint detection apparatus
09/17/1991CA1289269C Method for fabricating semiconductor devices which include sources anddrains having metal-containing material regions and the resulting devices
09/17/1991CA1289267C Latchup and electrostatic discharge protection structure
09/17/1991CA1289266C Vertical trench transistor/capacitor memory cell
09/17/1991CA1289243C Dynamic ram cell having shared trench storage capacitor with sidewall-defined bridge contacts and gate electrodes
09/17/1991CA1289241C Imaging charge-coupled device having an all parallel output
09/17/1991CA1289202C Latch-up protection circuit for integrated circuits using complementarymos circuit technology
09/16/1991CA2037828A1 Laser, direct-write integrated circuit production system
09/13/1991WO1991014027A1 System for controlling crystal growth apparatus and melt replenishment system therefor
09/13/1991CA2053234A1 System for controlling crystal growth apparatus and melt replenishment system therefor