Matches 251 - 277 out of 277 < 1 2 3 4 5 6
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4196228 Fabrication of high resistivity semiconductor resistors by ion implanatation  
This disclosure relates to a low power write-once, read-only semiconductor memory (PROM or programmable read only memory) array wherein the semiconductor resistors located in the word line decoder...
4187124 Process for doping semiconductors  
A process and apparatus for doping a substrate by ion implantation or discharge. The process comprises the steps of maintaining an electric discharge in an evacuated enclosure containing a gaseous...
4181537 Method of fabricating an insulated gate field effect device  
This invention provides a method of making an improved gate structure in which the gate electrode is self-aligned with respect to the field isolation oxide regions. Gate constituting layers are...
4179792 Low temperature CMOS/SOS process using dry pressure oxidation  
An enhancement type, self-aligned silicon gate complementary metal oxide semiconductor (CMOS)/silicon on sapphire (SOS) structure is made by generating all gate oxides and oxide isolated regions...
4179528 Method of making silicon device with uniformly thick polysilicon  
Thickness control problems inherent in the chemical vapor deposition of polysilicon layers on silicon wafers are avoided by an improved vacuum deposition technique.
4179312 Formation of epitaxial layers doped with conductivity-determining impurities by ion deposition  
A method and apparatus for depositing a monocrystalline epitaxial layer of semiconductor material, e.g., silicon containing selected conductivity-determining impurities, on a semiconductor...
4145457 Method for the production of optical directional couplers  
A method for the production of optical directional couplers has a substrate with optical waveguides formed in a surface thereof which are longitudinally coupled by having the guides extend parallel...
4113486 Method for producing a photomask  
A method for producing a photomask, which comprises exposing and development-processing a photographic light-sensitive material comprising a transparent support having thereon a masking layer and a...
4105805 Formation of metal nitride oxide semiconductor (MNOS) by ion implantation of oxygen through a silicon nitride layer  
A layer of silicon nitride (Si 3 N 4 ) is deposited on a silicon substrate. A mask provided with windows representing device structures is then formed over the silicon nitride layer. Oxygen is...
4088799 Method of producing an electrical resistance device  
The process by which this device is made comprises the implantation of ions into an insulator. Surface charge on the insulator is discharged during implantation by an electron beam or by a thin...
4047975 Process for the production of a bipolar integrated circuit  
A method of making a bipolar integrated circuit which requires neither an epitaxial layer nor a buried layer. The required doping of a semiconductor substrate, e.g., silicon, is obtained by a...
4002546 Method for producing a magnetic recording medium  
An improved method of making a magnetic recording medium with excellent coercive force and rectangular ratio is provided by means of an ion plating technique. A support and an evaporation source of...
3983264 Metal-semiconductor ohmic contacts and methods of fabrication  
Ohmic contacts to semiconductor surfaces are fabricated by a process which includes the formation of an adherent, uniform insulating film at the interface between the semiconductor surface and the...
3922385 Solderable multilayer contact for silicon semiconductor  
A multilayer solderable low resistance contact for N-type and P-type regions on a semiconductor body comprising an aluminum layer directly on the semiconductor body, and a nickel alloy layer on the...
3645710 DIFFUSION TREATMENTS OF SELECTED BODY SURFACE PORTIONS BY ELECTRIC ARC  
Method and apparatus for the controlled diffusion of ions from a gaseous medium into selected surface portions of a body by contacting such portions with a gaseous diffusion substance at least one...
3622382 SEMICONDUCTOR ISOLATION STRUCTURE AND METHOD OF PRODUCING  
A monocrystalline semiconductor body provided with a subsurface insulating layer. The layer is produced by bombarding the body with ions such as nitrogen, oxygen and carbon, for a time sufficient...
3540925 ION BOMBARDMENT OF INSULATED GATE SEMICONDUCTOR DEVICES  
3449824 METHOD FOR PREPARING A FERROELECTRIC BODY AND DEVICES  
3442701 METHOD OF FABRICATING SEMICONDUCTOR CONTACTS  
3298863 Method for fabricating thin film transistors  
3294583 Process of coating a silicon semiconductor with indium using an ion beam  
3287243 Deposition of insulating films by cathode sputtering in an rf-supported discharge  
2776227 Method of processing a photosensitive mosaic electrode  
2553289 Method for depositing thin films  
2074281 Method and apparatus for the production of metallic coatings on electrically nonconducting substances by the thermal vaporization of metals in vacuo  
3704166 Title is not available  
3687722 Title is not available  
Matches 251 - 277 out of 277 < 1 2 3 4 5 6