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Patent # Description
US-5,554,908 Precombustion chamber device
A precombustion chamber ignition device for preferably lean fuel-air mixtures and having a precombustion chamber. This precombustion chamber contains a electrode...
US-5,554,907 Vehicle speed measurement apparatus
A vehicle speed monitoring system has a pair of parallel piezoelectric sensors or pressure transducers carried in closely spaced relation by a common elastomeric...
US-5,554,906 Ultrasonic motor
An ultrasonic motor includes a piezoelectric member which is excited in response to a driving signal, an elastic member in which a travelling wave is produced...
US-5,554,905 Piezoelectric rotating motor
A piezoelectric rotating motor includes a plurality of piezoelectric elements, a disk-shaped stator having a center portion in which the piezoelectric elements...
US-5,554,904 Vibration control apparatus having automatic gain control
A vibration control apparatus that can impart stabilized self-induced vibration without amplitude changes even under changes in ambient temperature is disclosed....
US-5,554,903 Rotary electric machine
A rotary electric machine of an inner rotor type includes a hollow stator having multiple field magnets, each having a magnetic pole, arranged in a spaced...
US-5,554,902 Lightweight high power electromotive device and method for making same
A lightweight high power electromotive device and a method for making the same is provided. The method includes the step of laminating a plurality of stator...
US-5,554,901 Servo-drive for rotary angle adjustment of an actuator for controlling an opening cross-section of a medium...
A known servo-drive including a stator which is formed with two-component design or the exciter winding has to be attached directly to the stator, which is...
US-5,554,900 Motor including embedded permanent-magnet rotor
An electric motor including a permanent-magnet rotor having embedded magnets held in place by several segments. The embedded magnets are secured by segments...
US-5,554,899 Electric Actuator
An electric actuator which is used for e.g. an arm of an industrial robot includes a composite shaft having a ball screw groove and a ball spline groove, a...
US-5,554,898 Rotary generator
A rotary generator comprises a rotor within a stator having end windings, the rotor defining a flow path for cooling fluid which, during rotation of the rotor...
US-5,554,897 Downhold motor cooling and protection system
The motor cooling and protection system has a shroud concentrically disposed about a motor housing of a downhole motor. The shroud is sealed from well fluids in...
US-5,554,896 Portable power supply for handpieces
A portable power supply system utilizes a foot controller and a lightweight, sealed electric motor assembly which attaches to any International Standard...
US-5,554,895 Electronic latching circuit for momentary contact switches
A switch circuit for activating and deactivating a motor vehicle cruise control includes a 555 model timer integrated circuit which has a trigger terminal, a...
US-5,554,894 Electronic footswitch for ophthalmic surgery
A footswitch for ophthalmic surgery includes a rotatable foot pedal, a spring member which biases the foot pedal to resist rotation and an adjustment mechanism...
US-5,554,893 System for controlling semiconductor
A device that provides a control system which is capable of positively preventing a semiconductor from suffering from latch up. In order to prevent this latch...
US-5,554,892 Signal processing circuit for switch capable of reducing insertion loss
A high frequency power amplifier is implemented by a GaAs FET and is supplied with a positive and a negative power supply. The amplifier amplifies the power of...
US-5,554,891 Antitheft device for a vehicle
An antitheft device for a vehicle such as a motorcycle or an automobile for preventing theft of the vehicle by controlling the ignition system of the vehicle....
US-5,554,890 Ignition circuit for a squib in an air bag in a vehicle
An object of the present invention is provide an ignition circuit for a squib in an air bag in a vehicle able to supply sufficient energy to ignite the squib...
US-5,554,889 Structure and method for metallization of semiconductor devices
A metallization alloy for semiconductor devices comprising aluminum, copper, and tungsten is provided. In a method for applying the metallization, the metal is...
US-5,554,888 Semiconductor device wiring structure
A semiconductor device of a multilayer wiring structure provided with a bottom conductive layer and a top conductive layer connected through a pillar connection...
US-5,554,887 Plastic molded semiconductor package
A pad electrode is formed on a main surface of a semiconductor chip. A passivation film, which covers a surface portion of the pad electrode, is formed on the...
US-5,554,886 Lead frame and semiconductor package with such lead frame
A lead frame and a semiconductor package produced using the lead frame are disclosed. The lead frame has a plurality of multi-layered inner leads, each of the...
US-5,554,885 Semiconductor device including means for dispersing and absorbing tensile forces acting on film tape
A semiconductor device comprises an electrically insulating film having a device hole; a plurality of groups of leads, each group including of a large number of...
US-5,554,884 Multilevel metallization process for use in fabricating microelectronic devices
A multilevel metallization is deposited on a microelectronic device base structure (40). The process includes depositing a glassy dielectric layer (48) of a...
US-5,554,883 Semiconductor device and manufacturing method therefor
A semiconductor device includes a buried impurity layer (3) formed at a predetermined depth from a main surface of a semiconductor substrate (1) by utilizing ion...
US-5,554,882 Integrated trigger injector for avalanche semiconductor switch devices
An avalanche semiconductor switch device utilizes trigger input. The integrated trigger input is a charge carrier injector which injects charge carriers directly...
US-5,554,881 Constitution of an electrode arrangement in a semiconductor element
At least four electrodes are provided on the same surface of a discrete transistor. Among these electrodes, one electrode is set as a base electrode, an...
US-5,554,880 Uniform current density and high current gain bipolar transistor
The present invention discloses method for fabricating, and the structure of, a unique and novel bipolar transistor. The bipolar transistor of the present...
US-5,554,879 High voltage component having a low stray current
A high voltage semiconductor component having a low stray current comprises a central region (N.sup.-) surrounded by P-type layers (P.sub.1, P.sub.2) forming...
US-5,554,878 Intergrated high-voltage resistor including field-plate layers
A high-voltage resistor integrated on a semiconductor substrate with opposite sign conductivity, and being of a type with one end connected to the substrate and...
US-5,554,877 Compound semiconductor electroluminescent device
An electroluminescent device of compound semiconductor includes a compound semiconductor substrate having at least one through-hole, an electroluminescent part...
US-5,554,876 Field effect transistor including silicon oxide film and nitrided oxide film as gate insulator film and...
An N type field effect transistor having a higher resistivity to hot carriers and exhibiting a higher current handling capability even when used at a low gate...
US-5,554,875 Semiconductor device with force and/or acceleration sensor
A semiconductor device with a force and/or acceleration sensor (12), which has a spring-mass system (14, 16) responsive to the respective quantity to be measured...
US-5,554,874 Six-transistor cell with wide bit-line pitch, double words lines, and bit-line contact shared among four cells
A static RAM memory is arranged into groups of four cells sharing a single active region with a contact to one of the bit lines. The shared active region forms...
US-5,554,873 Semiconductor device having polysilicon resistor with low temperature coefficient
A semiconductor device having a p type polysilicon resistor (56) with a moderate sheet resistance and low temperature coefficient of resistance is formed by a...
US-5,554,872 Semiconductor device and method of increasing device breakdown voltage of semiconductor device
In a semiconductor device including a composite substrate formed by bonding first and second semiconductor substrates to each other through an oxide film and an...
US-5,554,871 Semiconductor device having MOS transistor with nitrogen doping
An MOS transistor capable of improving hot carrier resistance and a method of manufacturing thereof are provided. In the MOS transistor, nitrogen is introduced...
US-5,554,870 Integrated circuit having both vertical and horizontal devices and process for making the same
An integrated circuit (10) has a vertical device, such as a transistor (71), formed by epitaxial growth from a substrate (12) and a horizontal device, such as a...
US-5,554,869 Electrically programmable read-only memory array
Flash EEPROM cells having merged select/control gates may be formed, so that the portions of the channel regions that correspond to select transistors are formed...
US-5,554,868 Non-volatile semiconductor memory device
There is a case where a memory cell brought to an over-erase (depletion) state if the erasing time is too long, for example, in an electrically erasable...
US-5,554,867 Nonvolatile semiconductor memory device having a memory cell transistor and a select transistor
A nonvolatile semiconductor memory device is provided including a DINOR (Divided Bit Line NOR) type cell that allows further reduction of the cell size while...
US-5,554,866 Pre-oxidizing high-dielectric-constant material electrodes
Generally, according to the present invention, the sidewall of the adhesion layer (e.g. TiN 36) in a lower electrode is pre-oxidized after deposition of an...
US-5,554,865 Integrated transmit/receive switch/low noise amplifier with dissimilar semiconductor devices
A T/R switch/LNA for a radar's active array antenna includes dissimilar semiconductor devices in a monolithic microwave integrated circuit (MMIC). The devices...
US-5,554,864 Semiconductor device having improved coverage with increased wiring layers
In a semiconductor device having a multilayer wiring, first and second lower wiring sections are formed on a base insulating film. An interlayer insulating layer...
US-5,554,863 Gate turn-off thyristor
A gate turn-off thyristor including: an n-type emitter semiconductor layer divided into a plurality of n-type areas; a p-type base semiconductor layer which...
US-5,554,862 Power semiconductor device
In a power semiconductor device, an n-base is formed on a p-emitter layer. On the n-base layer, a p-base layer, an n-emitter layer, and a high-concentration...
US-5,554,861 Thin film transistors and active matrices including the same
Thin file transistor including polycrystalline silicon or amorphous silicon thin film channel regions having a thickness of between about 100 .ANG. and 2500...
US-5,554,860 Resonant tunneling transistor noise generator
This is a method of generating noise comprising the step of switching a plurality of resonant tunneling diodes each located in the emitter or base of a multi...
US-5,554,859 Electron emission element with schottky junction
This is an electron emission with a semiconductor substrate having a p-type semiconductor layer whose impurity concentration falls within a concentration range...
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