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)
11/1990
11/27/1990US4974018 Exposure method and exposure apparatus
11/27/1990US4973858 Resonant tunneling semiconductor devices
11/27/1990US4973849 Electron beam lithography apparatus having external magnetic field correcting device
11/27/1990US4973563 Process for preserving the surface of silicon wafers
11/27/1990US4973562 Method of manufacturing a semiconductor device having interconnections located both above a semiconductor region and above an isolation region adjoining it
11/27/1990US4973544 Method for reversing tone or polarity of pattern on integrated circuit substrate utilizing reverse casting by planarization
11/27/1990US4973537 Acrylic polymer protective coating
11/27/1990US4973526 Method of forming ceramic coatings and resulting articles
11/27/1990US4973454 Constant impurity concentration
11/27/1990US4973421 Azeotropic solvent composition
11/27/1990US4973381 Semiconductors, nondestructive, plasma
11/27/1990US4973217 Wafer handling system
11/27/1990US4973015 Manipulator apparatus for test head support and orientation
11/27/1990US4972988 Method of soldering semiconductor substrate on supporting plate
11/27/1990US4972799 Microwave plasma chemical vapor deposition apparatus for mass-producing functional deposited films
11/27/1990US4972677 Method of supplying liquefied carbon dioxide substantially free of particles
11/27/1990US4972572 IC sheet cutting press and IC sheet processing apparatus using the same
11/27/1990CA1277031C High density vertically structured memory
11/27/1990CA1276860C Crucible for epitaxy from the liquid phase of semiconductor layers
11/22/1990EP0398834A2 Method of forming contacts to a semiconductor device
11/22/1990EP0398806A2 Method of fabricating a semiconductor device
11/22/1990EP0398781A2 Method and apparatus for low angle, high resolution surface inspection
11/22/1990EP0398744A2 Bi-CMOS logic circuit
11/22/1990EP0398730A1 Method of forming planar isolation regions
11/22/1990EP0398605A2 Metal-interconnected integrated circuit chip
11/22/1990EP0398589A2 Perimeter wafer seal and method of using the same
11/22/1990EP0398587A2 A method of encapsulation for devices
11/22/1990EP0398569A2 Dynamic random access memory device
11/22/1990EP0398566A2 Support apparatus for panels
11/22/1990EP0398552A2 Linear array wafer scale integration architecture
11/22/1990EP0398506A2 Electrical socket for tab IC's
11/22/1990EP0398485A1 A method of making a Flip Chip Solder bond structure for devices with gold based metallisation
11/22/1990EP0398480A2 Reactant gas injection for IC processing
11/22/1990EP0398468A2 Dielectrically isolated substrate and semiconductor device using the same
11/22/1990EP0398467A2 A slicing and grinding system for a wafer slicing machine
11/22/1990EP0398366A2 Semiconductor processing apparatus and method
11/22/1990EP0398365A2 Multiple chamber staged-vacuum semiconductor wafer processing system
11/22/1990EP0398364A2 Thick-film element having flattened resistor layer
11/22/1990EP0398334A1 Position detecting apparatus
11/22/1990EP0398333A2 Semiconductor resistance element and process for fabricating same
11/22/1990EP0398331A2 Oscillator circuit incorporated in a semiconductor circuit
11/22/1990EP0398291A2 Method for manufacturing a semiconductor integrated circuit
11/22/1990EP0398270A2 Ion implantation apparatus
11/22/1990EP0398269A2 Ion implantation apparatus
11/22/1990EP0398249A2 Semiconductor memory device
11/22/1990EP0398247A2 Semidonductor device and method of manufacturing the same
11/22/1990EP0398216A2 Gettering heavy metal impurities
11/22/1990EP0398190A2 Ion implantation apparatus and method of controlling the same
11/22/1990EP0398120A1 Semiconductor device
11/22/1990EP0398098A2 Output buffer for reducing switching induced noise
11/22/1990EP0398067A2 Combined multiple memories
11/22/1990EP0398032A2 Method for manufacturing a semiconductor integrated circuit comprising an isolating region
11/22/1990EP0398018A1 Process for the preparation of light-sensitive bis-trichloro-methyl-s-triazines
11/22/1990EP0397988A2 Plasma processing with metal mask integration
11/22/1990EP0397987A1 Germanium channel silicon mosfet
11/22/1990EP0397937A2 Control system and method for automated parametric test equipment
11/22/1990EP0397898A1 Bipolar Bump transistor and method for its manufacture
11/22/1990EP0397780A1 Ic with means for reducing esd damage
11/22/1990EP0089891B1 Identification of repaired integrated circuits
11/21/1990CN1047034A Method of preparing freeze-dried formulation containing drug
11/21/1990CN1010531B Complementary lateral insulated gate rectifiers
11/21/1990CN1010522B Charge-coupled device
11/20/1990US4972413 Method and apparatus for high speed integrated circuit testing
11/20/1990US4972380 Decoding circuit for functional block
11/20/1990US4972370 Three-dimensional memory element and memory device
11/20/1990US4972324 Semiconductor integrated circuit with an improved macro cell pattern
11/20/1990US4972311 X-Y table error mapping apparatus and method
11/20/1990US4972250 Multilayer element, passivation covering of sputtered carbon, diamond like carbon, diamonds formed by vapor deposition
11/20/1990US4972246 Effective narrow band gap base transistor
11/20/1990US4971931 Diffuser features for spin-coated films
11/20/1990US4971930 EPROM semiconductor device erasable with ultraviolet rays and manufacturing process thereof
11/20/1990US4971929 Radio frequency bipolar integrated circuits, tungsten contactors, dielectrics, vapor deposition
11/20/1990US4971926 Method of manufacturing a semiconductor device
11/20/1990US4971925 Improved method of manufacturing a semiconductor device of the "semiconductor on insulator" type
11/20/1990US4971924 Metal plate capacitor and method for making the same
11/20/1990US4971923 Method of making semiconductor device with different oxide film thicknesses
11/20/1990US4971922 Method of fabricating semiconductor device
11/20/1990US4971920 Gettering method for semiconductor wafers
11/20/1990US4971887 Positive-working photosensitive mixture and recording material of high thermal stability with phenolic novolak of m-cresol and 2,3,6-trialkylphenol
11/20/1990US4971832 Vapor deposition, electroconductive or insulating substrate, silicon films, hydrogen gas
11/20/1990US4971738 Sintering a laminate, forming metals from reducible metal oxides, oxidation of carbon
11/20/1990US4971715 Phenolic-free stripping composition and use thereof
11/20/1990US4971676 Support device for a thin substrate of a semiconductor material
11/20/1990US4971655 Protection of a refractory metal silicide during high-temperature processing using a dual-layer cap of silicon dioxide and silicon nitride
11/20/1990US4971654 Oxidation followed by dissolving with acid for environmentally safe process
11/20/1990US4971653 Reaction of gas in radio frequency, to produce signals, controlling, plasma
11/20/1990US4971512 Transport device for wafers of variable diameter
11/20/1990US4971196 Surface package type semiconductor package
11/20/1990US4971100 System for supplying ultrahigh purity gas
11/20/1990US4970781 Process plate for plastic pin grid array manufacturing
11/20/1990US4970780 Printed circuits, coating with an electroconductive curable coating, curing to a rubber, pressing, lamination
11/20/1990US4970772 Wafer alignment fixture
11/20/1990CA1276723C Non-volatile electronic memory
11/20/1990CA1276530C Soluble fluorinated cycloalkane sulfonate surfactant additives for nh4f/hf oxide etchant solutions
11/19/1990CA2017102A1 Output buffer for reducing switching induced noise
11/16/1990WO1990014751A1 Interconnect device and method of manufacture thereof
11/16/1990CA2033060A1 Interconnect device and method of manufacture thereof
11/15/1990WO1990013992A1 Twisted wire jumper electrical interconnector
11/15/1990WO1990013991A1 Method of grounding an ultra high density pad array chip carrier
11/15/1990WO1990013918A1 Field effect transistor