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Class 257/45 - Elongated alloyed region (e.g., thermal gradient zone melting, TGZM)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the alloyed region has at least one
No. of patents: 53
Last issue date: 01/22/2008


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NumberTitleIssue Date
7321157CoSb-based thermoelectric device fabrication method
A method of fabricating a CoSb3-based thermoelectric device is disclosed. The method includes providing a high-temperature electrode, providing a buffer layer on the high-temperature electrode, forming composite n-type and p-type layers, attaching the buf...
01/22/2008
7317179Systems and methods to shape laser light as a homogeneous line beam for interaction with a film deposited on a substrate
Systems and methods are disclosed for shaping and homogenizing a laser beam for interaction with a film. The shaping and homogenizing system may include a lens array and a lens that is positioned to receive laser light from the lens array and produce a respective el...
01/08/2008
7285435Active matrix organic electroluminescence display device and method for manufacturing the same
An active matrix organic electroluminescence display device and a method for manufacturing the same are disclosed. The active matrix organic electroluminescence display device includes a scan line in one direction, a data line substantially perpendicular to the scan...
10/23/2007
7277188Systems and methods for implementing an interaction between a laser shaped as a line beam and a film deposited on a substrate
Systems and methods are disclosed for focusing a beam for an interaction with a film deposited on a substrate wherein the focused beam defines a short axis and a long axis. In one aspect, the system may include a detecting system to analyze light reflected from the ...
10/02/2007
7135072Methods of fabricating silicon carbide crystals
Methods for producing silicon carbide crystals, seed crystal holders and seed crystal for use in producing silicon carbide crystals and silicon carbide crystals are provided. Silicon carbide crystals are produced by forcing nucleation sites of a silicon carbide seed...
11/14/2006
7115973Dual-sided semiconductor device with a resistive element that requires little silicon surface area
A dual-sided semiconductor device is formed on a wafer with a resistive element that is formed through the wafer. By forming the resistive element through the wafer, a resistive element, such as a large resistive element, can be formed on the wafer that requires ver...
10/03/2006
7088758Relax gas discharge laser lithography light source
An apparatus and method are disclosed for operating a narrow band short pulse duration gas discharge laser output light pulse beam producing system, producing a beam comprising laser output light pulses at a selected pulse repetition rate, which may comprise: a disp...
08/08/2006
7061959Laser thin film poly-silicon annealing system
A gas discharge laser crystallization apparatus and method for performing a transformation of a crystal makeup or orientation in a film on a workpiece is disclosed, which may comprise a master oscillator power amplifier MOPA or power oscillator power amplifier confi...
06/13/2006
7034328Vertical geometry InGaN LED
A vertical geometry light emitting diode is disclosed that is capable of emitting light in the red, green, blue, violet and ultraviolet portions of the electromagnetic spectrum. The light emitting diode includes a conductive silicon carbide substrate, an InGaN quant...
04/25/2006
7009140Laser thin film poly-silicon annealing optical system
A high energy, high repetition rate workpiece surface heating method and apparatus are disclosed which may cmprise a pulsed XeF laser operating at or above 4000 Hz and producing a laser output light pulse beam at a center wavelength of about 351 nm; an optical syste...
03/07/2006
6992394Multi-level conductive lines with reduced pitch
The invention describes the use of conductive lines having a non-rectangular shaped cross section to reduce line capacitance for a given pitch. Such conductive lines can reduce the height of integrated circuits with multi-level conductive lines without increasing li...
01/31/2006
6961117Process and mask projection system for laser crystallization processing of semiconductor film regions on a substrate
A process and system for processing a silicon thin film on a sample are provided. In particular, an irradiation beam generator is controlled to emit irradiation beam pulses at a predetermined repetition rate. These irradiation beam pulses are then separated into a f...
11/01/2005
6948230Integrated circuit inductors
The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy...
09/27/2005
6921925Oxygen-doped Al-containing current blocking layers in active semiconductor devices in photonic integrated circuits (PICs)
In photonic integrated circuits (PICs) having at least one active semiconductor device, such as, a buried heterostructure semiconductor laser, LED, modulator, photodiode, heterojunction bipolar transistor, field effect transistor or other active device, a plurality ...
07/26/2005
6881984Resonant-cavity light-emitting diode and optical transmission module using the light-emitting diode
A resonant-cavity light-emitting diode includes a semiconductor light-emitting layer sandwiched between an under and an upper semiconductor distributed Bragg reflector mirror layer, which are formed on the substrate, a light extracting section formed on the upper se...
04/19/2005
6573531Systems and methods using sequential lateral solidification for producing single or polycrystalline silicon thin films at low temperatures
System and methods for processing an amorphous silicon thin film sample into a single or polycrystalline silicon thin film are disclosed. The system includes an excimer laser for generating a plurality of excimer laser pulses of a predetermined fluence, a...
06/03/2003
6521473Method of fabricating a liquid crystal display
The present invention relates to a method of fabricating a liquid crystal display panel that involves patterning a silicon film crystallized by sequential lateral solidification. The method comprises the steps of preparing a silicon film, crystallizing th...
02/18/2003
6437363Semiconductor photonic device
A semiconductor photonic device includes a substrate having a cleavage plane perpendicular to a principal plane thereof; a ZnO film on the substrate; and a compound semiconductor layer expressed by Inx Gay Alz N (x+y+z=1, ...
08/20/2002
6172370Lateral PN arrayed digital x-ray image sensor
An X-ray imaging array is described together with a method for its manufacture. The array is defined by a set of PN junctions in a silicon wafer that extend all the way through between the two surfaces of the wafer. The PN junctions are formed using neutr...
01/09/2001
5434531High voltage tolerant switch constructed for a low voltage CMOS process
An integrated circuit which includes a pair of serially arranged P channel transistor devices connected with their source and drain terminals in series. The devices are constructed as N well devices in a P substrate. Using a pair of N well devices allows ...
07/18/1995
5285090Contacts to rod shaped Schottky gate fets
Electrical ohmic contacts are made to a matrix of silicon having conductive rods embedded therein without making contact to any of the rods. Those rods which extend to the surface in the selected area of the matrix to be contacted are etched to form holes...
02/08/1994
4633282Metal-semiconductor field-effect transistor with a partial p-type drain
A metal-semiconductor field-effect transistor (MESFET) is provided with a p-type region adjacent the n-type region under the drain contact. Holes injected from this p-type region compensate the negative space charge region at the channel to substrate inte...
12/30/1986
4549196Lateral bipolar transistor
A lateral bipolar transistor is described incorporating at least two grooves extending from the upper surface and spaced apart by a predetermined amount from which impurities are introduced to form an emitter region extending from the sidewall of one groo...
10/22/1985
4207670Method for making a solid state neuron
Temperature gradient zone melting is utilized to make a solid state neuron which mimics the conducting nerve pulses by a biological nerve cell and its nerve fiber....
06/17/1980
4163983Solid state neuron
A semiconductor neuron comprises a tunnel diode having a region of recrystallized semiconductor material formed in situ in a columnar structure body of semiconductor material by thermal gradient zone melting. Individual electrical leads are affixed to the...
08/07/1979
4157564Deep diode devices
Deep diodes which extend in straight lines through a silicon wafer are produced by migrating aluminum droplets through the wafer while maintaining a finite temperature gradient through the wafer in the direction of straight line droplet travel, and at the...
06/05/1979
4071378Process of making a deep diode solid state transformer
An array of columnar structures are provided in a body of semiconductor material. The material of each columnar structure is recrystallized material of the body having solid solubility of dopant metal therein. Means are provided for connecting the columna...
01/31/1978
4063966Method for forming spaced electrically isolated regions in a body of semiconductor material
An array of vapor deposited metal wires is migrated by TGZM through a body of semiconductor material to divide the body into a plurality of individual regions electrically isolated from each other. The preferred crystal orientations of the surface on whic...
12/20/1977
4063272Semiconductor device and method of manufacture thereof
Disclosed is a semiconductor device and a method for the manufacture thereof. A semiconductor wafer with three stacked regions is provided. An inner region exhibits one conductivity type and the two outer regions exhibit the opposite conductivity type. Is...
12/13/1977
4042448Post TGZM surface etch
Disclosed is a technique useful in the manufacture of semiconductor devices. A semiconductor wafer is provided and isolation regions are formed therein by the temperature gradient zone melting process. A mask is applied to the surface of the wafer, but th...
08/16/1977
4032955Deep diode transistor
A deep diode transistor includes at least one of the emitter, the collector and the base regions comprising recrystallized material of the semiconductor substrate embodying the transistor. Each region of recrystallized material is formed in situ by the mi...
06/28/1977
4032960Anisotropic resistor for electrical feed throughs
An anistropic resistor for electrical feed throughs embodies a body of semiconductor material having at least one channel region of recrystallized material of the body formed therein. The channel region extends entirely through, and terminates in two majo...
06/28/1977
4024566Deep diode device
When an aluminum-rich droplet is migrated along the [100] axis of a silicon crystal during a thermal gradient zone melting operation, a droplet is displaced appreciably from its thermal trajectory by dislocations it encounters in the crystal. This random ...
05/17/1977
4024565Deep diode solid state transformer
An array of columnar structures are provided in a body of semiconductor material. The material of each columnar structure is recrystallized material of the body having solid solubility of dopant metal therein. Means are provided for connecting the columna...
05/17/1977
4011582Deep power diode
One region of a large area semiconductor power diode comprises recrystallized semiconductor material formed in situ, and joined to a second region, by temperature gradient zone melting....
03/08/1977
4006040Semiconductor device manufacture
An improved method of initiating the moving of a molten zone of a metal-rich semiconductor material through a solid body of the same semiconductor material embodies the sintering of the metal to the surface of the body. The sintering process enables one t...
02/01/1977
3995309Isolation junctions for semiconductor devices
Isolation junctions in semiconductor devices are formed by selected regions of specified conductivity wherein each region has a substantially uniform thickness and resistivity throughout the region. The material of the selected regions is recrystallized s...
11/30/1976
3990093Deep buried layers for semiconductor devices
A deep buried electrical layer is provided in a semiconductor device by thermal gradient zone melting....
11/02/1976
3988757Deep diode zeners
A deep diode zener has a lamellar structured body of single crystal semiconductor material. The lamellar structure is produced by a thermal gradient zone melting process embodying the thermomigration of metal "wires" through the body to form a region of c...
10/26/1976
3988771Spatial control of lifetime in semiconductor device
Deep level impurities such, for example, as gold, platinum, silver, nickel and copper, are introduced into selected regions of semiconductor devices by directional solidification to reduce the charge recombination lifetime and therefore the turn-off time ...
10/26/1976
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