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)
03/1994
03/22/1994US5297096 Nonvolatile semiconductor memory device and data erasing method thereof
03/22/1994US5297095 Semiconductor non-volatile memory device improved in verifying operation for erased and write-in states
03/22/1994US5297082 Shallow trench source eprom cell
03/22/1994US5296916 Mask alignment system for components with extremely sensitive surfaces
03/22/1994US5296892 Illuminating apparatus and projection exposure apparatus provided with such an illuminating apparatus
03/22/1994US5296891 Illumination device
03/22/1994US5296755 High speed BI CMOS logic circuit and a semiconductor integrated circuit device using same
03/22/1994US5296745 Semiconductor device having a moisture barrier around periphery of device
03/22/1994US5296743 Plastic encapsulated integrated circuit package and method of manufacturing the same
03/22/1994US5296742 Multilayered integrated circuit chip wiring arrangement
03/22/1994US5296741 Carrier for semiconductor element packages
03/22/1994US5296740 Method and apparatus for a semiconductor device having a radiation part
03/22/1994US5296738 Moisture relief for chip carrier
03/22/1994US5296736 Leveled non-coplanar semiconductor die contacts
03/22/1994US5296734 Semiconductor integrated circuit having silicon nitride provided as insulator of capacitor
03/22/1994US5296733 Hetero junction bipolar transistor with improved electrode wiring contact region
03/22/1994US5296732 Bipolar transistor
03/22/1994US5296731 Semiconductor integrated circuit device with alpha rays resistance
03/22/1994US5296730 Semiconductor pressure sensor for sensing pressure applied thereto
03/22/1994US5296729 Semiconductor memory device having static random access memory
03/22/1994US5296728 Compound semiconductor device with different gate-source and gate-drain spacings
03/22/1994US5296727 Double gate FET and process for manufacturing same
03/22/1994US5296719 Quantum device and fabrication method thereof
03/22/1994US5296718 Zinc sulfide selenide and zinc cadmium selenide crystals in laminates
03/22/1994US5296716 Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom
03/22/1994US5296713 Ion source device
03/22/1994US5296673 For ablation excimer laser image projection ablation of a target material
03/22/1994US5296653 Device having a multi-layered conductor structure
03/22/1994US5296412 Method of heat treating semiconductor wafers by varying the pressure and temperature
03/22/1994US5296411 Method for achieving an ultra-reliable thin oxide using a nitrogen anneal
03/22/1994US5296410 Method for separating fine patterns of a semiconductor device
03/22/1994US5296409 Method of making n-channel and p-channel junction field-effect transistors and CMOS transistors using a CMOS or bipolar/CMOS process
03/22/1994US5296408 Fabrication method for vacuum microelectronic devices
03/22/1994US5296407 Multilayer insulation element
03/22/1994US5296405 Method for photo annealing non-single crystalline semiconductor films
03/22/1994US5296404 Treatment of titanium chloride with argon, hydrogen or nitrogen in a plasma with magnetism to form thin films
03/22/1994US5296403 Method of manufacturing a static induction field-effect transistor
03/22/1994US5296402 Method for manufacturing a DRAM having a second effective capacitor area
03/22/1994US5296401 MIS device having p channel MOS device and n channel MOS device with LDD structure and manufacturing method thereof
03/22/1994US5296400 Method of manufacturing a contact of a highly integrated semiconductor device
03/22/1994US5296399 Method for manufacturing a narrowed sidewall spacer in a peripheral circuit of a ULSI semiconductor memory device
03/22/1994US5296398 Forming a multilayer element with photoresists pattern films, removal of insulating films and doping
03/22/1994US5296397 Method for manufacturing an EPROM cell
03/22/1994US5296396 Matrix of EPROM memory cells with a tablecloth structure having an improved capacitative ratio and a process for its manufacture
03/22/1994US5296394 Transistors formed with photoresists and annealing
03/22/1994US5296393 Transistors with tank regions and gates
03/22/1994US5296392 Method of forming trench isolated regions with sidewall doping
03/22/1994US5296391 Method of manufacturing a bipolar transistor having thin base region
03/22/1994US5296390 Method for fabricating a semiconductor device having a vertical channel of carriers
03/22/1994US5296389 Semi-insulating substrate emitter, coating with layers either with or without indium, forming collector layer and patterns in coatings
03/22/1994US5296388 Forming dopes in semiconductors and forming multilayers by epitaxial crystal growth
03/22/1994US5296387 Diffusion of germanium atoms and multilayer elements
03/22/1994US5296386 Method of providing lower contact resistance in MOS transistor structures
03/22/1994US5296385 Integrated device to prevent infrared light transmission through wafers, forming a top layer of silicon nitride
03/22/1994US5296384 Bake-stable HgCdTe photodetector and method for fabricating same
03/22/1994US5296332 Crosslinkable aqueous developable photoresist compositions and method for use thereof
03/22/1994US5296330 Positive photoresists containing quinone diazide photosensitizer, alkali-soluble resin and tetra(hydroxyphenyl) alkane additive
03/22/1994US5296258 Method of forming silicon carbide
03/22/1994US5296126 Method for processing the etched surface of a semiconductive or semi-insulating substrate
03/22/1994US5296118 Having means for inserting processed disk into cassette, removing plug from central disk aperture on one side only
03/22/1994US5296095 Silicon oxide or silicon dioxide etched with carbon fluorine compounds, carbon bromine compounds or sulfur hexafluoride
03/22/1994US5296094 Using oxygen and halogen compound in two step etching
03/22/1994US5296093 Process for removal of residues remaining after etching polysilicon layer in formation of integrated circuit structure
03/22/1994US5296092 Planarization method for a semiconductor substrate
03/22/1994US5296091 Plastics
03/22/1994US5296089 Enhanced radiative zone-melting recrystallization method and apparatus
03/22/1994US5296087 Crystal formation method
03/22/1994US5296086 Forming oxide insulating layer on silicon substrate, forming opening, growing silicon carbide seeds therein, oxidizing substrate under opening, growing silicon carbide, forming semiconductor
03/22/1994US5296074 Method for bonding small electronic components
03/22/1994US5296072 Method of manufacturing and testing integrated optical components
03/22/1994US5296063 Printed circuits formed from adhesives, adjustment and curing
03/22/1994US5296047 Epitaxial silicon starting material
03/22/1994US5296037 Plasma CVD system comprising plural upper electrodes
03/22/1994US5295777 Wafer transport module with rotatable and horizontally extendable wafer holder
03/22/1994US5295522 Gas purge system for isolation enclosure for contamination sensitive items
03/22/1994US5295395 Diaphragm-based-sensors
03/22/1994US5295331 Method of chamfering semiconductor wafer
03/22/1994US5295298 Method of forming leads of semiconductor device to shape
03/22/1994US5295297 Method of producing semiconductor memory
03/22/1994US5295296 Method and apparatus for working a clad material
03/22/1994CA1327974C Contrast enhancement layer compositions, alkylnitrones, and use
03/22/1994CA1327935C Growth of beta-sic thin films and semiconductor devices fabricated thereon
03/18/1994EP0591342A4 Basic cell architecture for mask programmable gate array.
03/18/1994EP0462270A4 Thin, dielectrically isolated island resident transistor structure having low collector resistance.
03/17/1994WO1994006182A1 System and method for selectively laser processing a target structure of materials of a multimaterial, multilayer device
03/17/1994WO1994006153A1 Ohmic contact structure between platinum and silicon carbide
03/17/1994WO1994006152A1 Process for selectively etching diamond
03/17/1994WO1994006136A1 Coil molded into magnetic stator
03/17/1994WO1994006057A1 Polyimide precursor and photosensitive composition containing the same
03/17/1994WO1994006024A1 Acceleration sensor
03/17/1994WO1994005827A2 Dry contact electroplating apparatus
03/17/1994WO1994005516A1 Groove width trimming
03/17/1994WO1994005459A1 Multi-station semiconductor lead frame processing apparatus and method
03/17/1994WO1994005455A2 Modulated-structure of pzt/pt ferroelectric thin films for non-volatile random access memories
03/17/1994WO1994002425A3 Silicon or silica substrate with a modified surface, process for producing the same, new orthoesters and process for producing the same
03/17/1994DE4331937A1 Dopant diffusion into solid-state semiconductor body - by coating surface with medium containing dopant and applying voltage between electrodes connected to medium and semiconductor body
03/17/1994DE4330266A1 Reaction chamber for chemical vapour deposition - comprises wafer heating appts., gas supply head, reaction chamber element, waste gas outlet
03/17/1994DE4300808C1 Film capacitor prodn. from 2 types of conductive films and dielectric - using selective under-etching of one type of conductive film in each contact hole to increase capacity e.g. for passive device or IC
03/17/1994DE4242565C1 Verfahren zur Justage von Halbleiterscheiben zueinander Method for the adjustment of semiconductor wafers to each other
03/17/1994DE4230872A1 Multiple substrate holder e.g. for cathodic sputtering unit - provides identical masking and identical motion of substrates