Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-5,278,441 Method for fabricating a semiconductor transistor and structure thereof
A method for fabricating a CMOS field effect transistor with LDD (light doped drain) structure is disclosed. A first gate for an NMOS transistor and a second...
US-5,278,440 Semiconductor memory device with improved tunneling characteristics
A semiconductor memory is disclosed. The cell has MNOS structure, and comprises a p-type silicon substrate 27 with n type layers 21, 23, a silicon dioxide film...
US-5,278,439 Self-aligned dual-bit split gate (DSG) flash EEPROM cell
An EEPROM cell structure includes two floating gate transistors separated by a select gate transistor with the select transistor being shared by the two floating...
US-5,278,438 Electrically erasable and programmable read-only memory with source and drain regions along sidewalls of a...
A nonvolatile storage device is provided with at least one stacked poly gate structure formed on the substrate and disposed between a first trench and a second...
US-5,278,437 Stacked capacitor type semiconductor memory device and manufacturing method thereof
A semiconductor memory device according to the present invention comprises a memory cell having one transistor and one stacked capacitor. The stacked capacitor...
US-5,278,436 Semiconductor integrated circuit device for forming logic circuit including resistance element connected to...
Disclosed is an improved Bi-CMOS gate array for increasing integration density. The gate array includes a predetermined region for forming PMOS transistors, a...
US-5,278,435 High responsivity ultraviolet gallium nitride detector
The invention is an Al.sub.x Ga.sub.1-x N ultraviolet detector with extremely high responsivity at over 200 to 365 nanometers and a very sharp long wavelength...
US-5,278,434 Pressure engagement structure for a full press-pack type semiconductor device
Coned disc springs (84, 86) lie between a gate extracting electrode (80G) held in a ringlike recess (63) of an external cathode electrode (60K) and a bottom...
US-5,278,433 Light-emitting semiconductor device using gallium nitride group compound with double layer structures for the...
Disclosed herein are (1) a light-emitting semiconductor device that uses a gallium nitride compound semiconductor (Al.sub.x Ga.sub.1-x N) in which the n-layer of...
US-5,278,432 Apparatus for providing radiant energy
The monolithic hybrid LED array includes a metal heat sink substrate, a ceramic layer on the substrate, and a plurality of series-connected epitaxially-formed...
US-5,278,431 Diamond rectifying contact with undoped diamond layer
A rectifying contact includes a first semiconducting diamond layer, a second undoped diamond layer on the first layer, and a third relatively highly doped...
US-5,278,430 Complementary semiconductor device using diamond thin film and the method of manufacturing this device
A complementary semiconductor device incorporating semiconductor composed of diamond. Substantially, diamond is insulative. When both III group elementary atoms...
US-5,278,429 Semiconductor device having improved adhesive structure and method of producing same
A semiconductor device includes a package, a semiconductor chip provided on the package, an intermediate layer formed on the package, an adhesive layer formed on...
US-5,278,428 Thin film memory cell
A memory cell has a thin film memory transistor and a thin film selective transistor. The thin film memory transistor has a charge trapping structure and a...
US-5,278,427 Quantum collector hot-electron transistor
A high-speed semiconductor device which comprises an emitter layer, a base layer, a collector layer, a potential barrier layer disposed between the emitter layer...
US-5,278,426 Optical liquid level sensor for pressurized systems utilizing prismatic element
An optical sensor, having serviceable electronics, for monitoring the level of a liquid within a vessel having an exterior and an interior and for providing an...
US-5,278,425 Lens system for moisture sensor device
A moisture sensor device for detecting the degree of wetting of a transparent pane by drop-shaped precipitation. The sensor device is provided with a beam guide...
US-5,278,424 Apparatus and method for correcting an offset value contained in an output of a turning angular velocity sensor
A heading of a vehicle is detected by correcting an output of a gyro with an offset value stored in an offset memory. A location detecting unit estimates a...
US-5,278,423 Object sensor and method for use in controlling an agricultural sprayer
An object sensor and method using pulsed laser range imaging technology is adapted for controlling an agricultural spraying system. A single laser sensor employs...
US-5,278,422 Normally open solid state relay with minimized response time of relay action upon being turned off
A solid state relay circuit includes a MOSFET receiving a photovoltaic output generated across a photovoltaic diode array responsive to a light signal from a...
US-5,278,421 Pattern fabrication method using a charged particle beam and apparatus for realizing same
The present application relates to a method and an apparatus for forming a pattern, in which a plane on which a pattern on a sample is traced is decomposed into...
US-5,278,420 Scanning control system involved in an ion-implantation apparatus
The invention provides a novel scanning control system of preventing any over-scanning involved in an ion-implantation apparatus accomplishing an electrostatic...
US-5,278,419 Electron beam exposure process for writing a pattern on an object by an electron beam with a compensation of...
A method for writing a pattern on an object by a charged particle beam comprises the steps of: dividing a pattern to be written on the object into a plurality of...
US-5,278,418 Luggage explosive detector
A method for detecting the presence of a predetermined amount of oxygen and nitrogen in a luggage type container as a screening technique for determining the...
US-5,278,417 High energy neutron dosimeter
A device for measuring dose equivalents in neutron radiation fields. The device includes nested symmetrical hemispheres (forming spheres) of different neutron...
US-5,278,416 Tomographic gamma camera provided with a swivelling detector
The disclosure relates to devices for medical imaging by gamma rays. In a device where a gamma camera is suspended from a supporting frame by a rotating stand,...
US-5,278,415 Method of producing standardization samples for liquid scintillation counting quench curve and a foil
A method for producing standardization samples (11, 21) for obtaining the quench curve which describes the relationship between the counting efficiency and the...
US-5,278,414 Optical motion and angular position sensing method and sensor
An optical motion and angle sensor comprising a chamber, a light source for emitting light into a first half of the chamber along an axis of the chamber, and a...
US-5,278,413 Infrared microscopic spectrometer
An infrared microscopic spectrometer includes an optical system which allows for a shifting of the optical path interactive with a sample from a sample...
US-5,278,412 System for measuring the moisture content of powder and fiber optic probe therefor
In a system for measuring moisture content of powder, such as powdered milk while the powder is being dried, the powder is contained in a fluidized bed and a...
US-5,278,411 Residual ink measurement
A method and apparatus for detecting residual ink in a sample by illuminating by diffused infra-red light a series of spots on a sample and examining a small...
US-5,278,410 X-ray cassette positioner and cogbelt for use therewith
An x-ray cassette positioner for use with a plurality of x-ray cassettes. The cassette positioner includes first and second conveyors. The conveyors have a first...
US-5,278,409 Electrode assembly positioning apparatus
An apparatus for positioning the electrode assembly of a corona treater includes a rotatable cylinder to which the electrode assembly is attached. A...
US-5,278,408 Instrument and method for 3-dimensional atomic arrangement observation
3-dimensional observation is carried out on the atomic arrangement and atomic species in a thin-film specimen at an atomic level in order to clarify the...
US-5,278,407 Secondary-ion mass spectrometry apparatus using field limiting method
A secondary-ion mass spectrometry apparatus using a field limiting method includes an optical system for primary ions, a sample chamber, and an optical system...
US-5,278,406 Apparatus for detecting information contained in electrons emitted from sample surface
An electron detection apparatus detects information contained in electrons emitted from a sample. For the detection of electron, the apparatus uses a probe...
US-5,278,405 Method and apparatus for the correction of positioning errors of a deflected light ray
The invention is directed to a method and to an apparatus for the correction of the positioning errors of a light ray deflected across a surface by a deflection...
US-5,278,404 Optical sub-system utilizing an embedded micro-controller
An optical sub-system is disclosed which includes an embedded micro-controller for providing continuous monitoring and adjusting of various operating parameters...
US-5,278,403 Femtosecond streak camera
A streak camera having improved time resolving capacity in the femtosecond regime. The streak camera uses magnetic and/or electric fields in such a way as to...
US-5,278,402 Real-scene dispersion sensor detecting two wavelengths and determining time delay
An optical dispersion sensor for sensing optical dispersion introduced by the atmosphere in near real-time and an optical system using the dispersion sensor to...
US-5,278,401 Optical disc apparatus having five light receiving areas for detecting focus error and tracking error
A signal detecting apparatus in an optical disc apparatus having an objective lens which converges light emitted from a light source onto an optical disc and a...
US-5,278,400 Multiple threshold encoding of machine readable code
A method and apparatus for applying coded data to a substrate and decoding the data in which the data are encoded in cells having a determined number of pixels....
US-5,278,399 Data entry unit
A data entry unit includes a bar code reader. The composition of the data entry unit consists of an entry face on which a main entry portion such as a keyboard...
US-5,278,398 Decoding bar code symbols by determining the best alignment of partial scans
A method for decoding bar code symbols in which a bar code reader and associated components scan a bar code symbol, produce a representation of the symbol, and...
US-5,278,397 Multi-resolution bar code reader
The method and apparatus of this invention facilitate operation of a bar code reader over a wider range of working angle and for a wider range of bar code...
US-5,278,396 Printer slip table with integral scanner
A printer slip table which employs a laser scan module in combination with a printer to expedite checkout and return of merchandise articles. The scan module may...
US-5,278,395 Portable electronic access controlled system for parking meters or the like
An electronic system of the type comprising: at least one portable device comprising an electronic storage memory; at least one device including a transfer module designed...
US-5,278,394 Fixing temperature controller for controlling a heater relative to two preset temperature levels
A fixing temperature controller comprising a heater for heating a fixing roller, a measuring circuit for detecting the fixing temperature of the fixing roller to...
US-5,278,393 Electrically heated desoldering unit having adjustable stop means preventing circuit board damage for...
A specialized desoldering unit head is provided for the limited purpose of removing high-density solid state electronic components from circuit boards in a...
US-5,278,392 Self-cleaning nozzle for a gas welding torch
A welding torch for gas metal arc welding has a torch body which conducts electricity, receives a cable for directing a welding wire, and defines a passage for...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | Next →