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Class 257/423 - Bipolar transistor magnetic field sensor (e.g., lateral bipolar transistor)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the active solid-state device includes
No. of patents: 92
Last issue date: 08/04/2009


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NumberTitleIssue Date
7569903Component arrangement having a transistor and an open-load detector
One embodiment of the invention relates to a component arrangement including a load and an open-load detector. The load transistor has a first transistor region arranged in a semiconductor body, a second transistor region arranged in the semiconductor body and a thi...
08/04/2009
7420228Bipolar transistor comprising carbon-doped semiconductor
A bipolar transistor comprising a collector region of a first conduction type, and a subcollector region of the first conduction type at a first side of the collector region. The transistor further includes a base region of the second conduction type provided at a s...
09/02/2008
7372117Magneto-resistance transistor and method thereof
A magneto-resistance transistor including a magneto-resistant element which may function as an emitter and a passive element which may function as a collector. The base may be interposed between the passive element and the magneto-resistant element, thereby coupling...
05/13/2008
7367111Method for producing a spin valve transistor with stabilization
A method and structure for a spin valve transistor (SVT) comprises a magnetic field sensor, an insulating layer adjacent the magnetic field sensor, a bias layer adjacent the insulating layer, a non-magnetic layer adjacent the bias layer, and a ferromagnetic layer ov...
05/06/2008
7358722Integrated three-dimensional magnetic sensing device and method to fabricate an integrated three-dimensional magnetic sensing device
An integrated three-dimensional magnetic or any field sensing device and a method to fabricate an integrated three-dimensional magnetic sensing device is presented. An integrated three-dimensional magnetic sensing device comprises an apparatus that defines at least ...
04/15/2008
7342244Spintronic transistor
A semiconductor device including: a substrate comprising silicon; a channel region formed on the substrate; a spin injector formed on the substrate at a first side of the channel region and configured to diffuse a spin-polarized current into the channel region; a sp...
03/11/2008
7339245Hall sensor
A Hall sensor on a semiconductor substrate includes a Hall plate in the semiconductor substrate, where the Hall plate includes a first zone having a first conduction type. The semiconductor substrate also include a second zone having a second conduction type. A spac...
03/04/2008
7315071Magnetic RAM
A memory element for a magnetic RAM, contained in a recess of an insulating layer, the recess including a portion with slanted sides extending down to the bottom of the recess, the memory element including a first magnetic layer portion substantially conformally cov...
01/01/2008
7271010Nonvolatile magnetic memory device and manufacturing method thereof
An TMR-type MRAM comprising a transistor for selection; a first connecting hole; a first wiring (write-in word line); a second insulating interlayer covering a first insulating interlayer and the first wiring; a TRM device formed on the second insulating interlayer;...
09/18/2007
7253490Magnetic sensor having vertical hall device and method for manufacturing the same
A vertical Hall device includes: a substrate; a semiconductor region having a first conductive type and disposed in the substrate; and a magnetic field detection portion disposed in the semiconductor region. The magnetic field detection portion is capable of detecti...
08/07/2007
7242042Solid state image sensing device and manufacturing and driving methods thereof
A solid state image sensing device is composed of a second conductive type well area 33, a photoelectric conversion area 40, a ring shaped gate electrode 35, a transfer gate electrode 41, a second conductive type drain area 38, a s...
07/10/2007
7235851Spin transistor and method thereof
A spin transistor uses a single potential barrier structure to increase a current fluctuation rate. The spin transistor may include at least one of an emitter, a collector, a base and a base resistor. The emitter may be a magneto-resistant device, which may provide ...
06/26/2007
7230306Microelectromechanical thin-film device
Processing and systems to create, and resulting products related to, very small-dimension singular, or monolithically arrayed, semiconductor mechanical devices. Processing is laser performed on selected semiconductor material whose internal crystalline structure bec...
06/12/2007
7230804Method and apparatus for providing a magnetic tunnel transistor with a self-pinned emitter
A magnetic tunnel transistor (MTT) is formed with a self-pinned emitter layer. The self-pinned emitter layer decreases resistance in by eliminating a thick resistive adjacent anti-ferromagnetic pinning layer. Also, the present invention reduces a series resistance i...
06/12/2007
7230805Semiconductor slider with an integral spin valve transistor structure and method for making same without a bonding step
A semiconductor slider including an integral spin valve transistor (SVT) having a read width of 250 nm or less disposed on a monolithic semiconductor. substrate, useful in magnetic data storage applications. The monolithic slider may also include other magnetic and ...
06/12/2007
7224566Interfaces between semiconductor circuitry and transpinnor-based circuitry
Electronic systems are described including semiconductor circuitry characterized by first signals and all-metal circuitry characterized by second signals and comprising a plurality of transpinnors. Each transpinnor includes a network of thin-film elements. At least ...
05/29/2007
7221157Magnetic sensor apparatus and manufacturing method thereof
Two Hall element forming arrangements are formed on a semiconductor substrate. Each Hall element forming arrangement includes a Hall element that is formed in a principal surface of the semiconductor substrate. A base is formed separately from the semiconductor subs...
05/22/2007
7217975Lateral type semiconductor device
A lateral semiconductor device includes: a semiconductor substrate formed on a base region therein; a plurality of emitter regions with a triangle arrangement in an upper part of the base layer and collector regions surrounding the emitter regions, respectively, apa...
05/15/2007
7208808Magnetic random access memory with lower switching field
A magnetic random access memory with lower switching field is provided. The memory includes a first antiferromagnetic layer, a pinned layer formed on the first antiferromagnetic layer, a tunnel barrier layer formed on the pinned layer, a ferromagnetic free layer for...
04/24/2007
7202544Giant magnetoresistance structure
The present invention relates to a method for producing a GMR structure in which a metallic multiple layer is applied onto a carrier and in which the metallic multiple layer is patterned to produce the GMR structure, the carrier having a structure before the metalli...
04/10/2007
7199435Semiconductor devices containing on-chip current sensor and methods for making such devices
Semiconductor devices containing a MOSFET and an on-chip current sensor in the form of a magnetic resistive element are described. The magnetic resistive element (MRE) is proximate the MOSFET in the semiconductor device. The current flowing through the MOSFET genera...
04/03/2007
7193257Solid state image sensing device and manufacturing and driving methods thereof
A solid state image sensing device is composed of a second conductive type well area 33, a photoelectric conversion area 40, a ring shaped gate electrode 35, a transfer gate electrode 41, a second conductive type drain area 38, a s...
03/20/2007
7193288Magnetoelectric transducer and its manufacturing method
A ultrathin magnetoelectric transducer and its manufacturing method are provided which enable the quality of mounting to be inspected nondestructively, and can reduce a footprint. The magnetoelectric transducer has a substrate composed of a nonmagnetic substrate, an...
03/20/2007
7173320High performance lateral bipolar transistor
A lateral bipolar transistor includes an emitter region, a base region, a collector region, and a gate disposed over the base region. A bias line is connected to the gate for applying a bias voltage thereto during operation of the transistor. The polarity of the bia...
02/06/2007
7162381System and method for facilitating listening
A system and method for assisting listening wherein an integrated circuit selects one or more audio sources from among a plurality audio sources to be presented to a signal processing circuit. Selection of the audio source can be automatically executed in response t...
01/09/2007
7141859Porous gas sensors and method of preparation thereof
Devices including conductometric porous silicon gas sensors, methods of fabricating conductometric porous silicon gas sensors, methods of selecting a device, methods of detecting a concentration of a gas, and methods of analyzing data. ...
11/28/2006
7141843Integratable polarization rotator
Embodiments of the invention provide a polarization rotator. The polarization rotator may be integrated with a waveguide on a substrate, and may include a ferromagnetic semiconductor layer on the substrate, a first doped layer on the ferromagnetic semiconductor laye...
11/28/2006
7129534Magneto-resistive memory and method of manufacturing the same
A method of forming a magneto-resistive memory element includes forming a groove in a layer of insulating material. A liner is formed conformably within the groove and the groove is filled with copper and then planarized. The electrically conductive material is prov...
10/31/2006
7084470Spin tunnel transistor
Some spin tunnel transistors with a larger current transmittance and a higher MR ratio are described. One of the spin tunnel transistor comprises a collector; an emitter; a base formed between the collector and the emitter, including a first ferromagnetic met...
08/01/2006
7049682Multi-chip semiconductor package with integral shield and antenna
A transceiver package includes a substrate having an upper surface. An electronic component is mounted to the upper surface of the substrate. A shield encloses the electronic component and shields the electronic component from radiation. The transceiver package furt...
05/23/2006
7003011Thin disk laser with large numerical aperture pumping
An optical system has a high power diode pump source and a thin disk gain media. An optical coupler is positioned between the diode pump source and the thin disk gain media. The optical coupler produces a beam with a large numerical aperture incident on the thin dis...
02/21/2006
7002841MRAM and methods for manufacturing and driving the same
An MRAM having improved integration density and ability to use a magnetic tunneling junction (MTJ) layer having a low MR ratio, and methods for manufacturing and driving the same, are disclosed. The MRAM includes a semiconductor substrate having a bipolar junction t...
02/21/2006
6999285Spin valve transistor with differential detection and method of making
A method and apparatus for providing a spin valve transistor with differential detection is disclosed. The present invention provides a structure including spin valves that are (100)-oriented on a (100) substrate to take advantages of the high MR sensitivity of spin...
02/14/2006
6960816System and method for sensing a magnetic field
A magnetic field sensor includes a transistor device having a base region, an emitter region, and a collector region. A barrier region disposed between the emitter region and the collector region to hamper charge carriers injected into the base region from the emitt...
11/01/2005
6930370Memory with conductors between or in communication with storage units
A memory includes an array of magnetic memory cells, each magnetic memory cell being adapted to store a bit of information, interconnects in communication with the magnetic memory cells, and conductors in communication with the magnetic memory cells and the intercon...
08/16/2005
6921953Self-aligned, low-resistance, efficient MRAM read/write conductors
The present invention seeks to reduce the amount of current required for a write operation by using a process for forming the read conductor within a recessed write conductor, the write conductor itself formed within a trench of an insulating layer. The present inve...
07/26/2005
6919608Spin transistor
A spin transistor (10) comprises a spin injector (50) formed of a ferromagnetic material and constituting the emitter (20) of a three-terminal device, a spin filter (70) also formed of a ferromagnetic material and constituting a collector...
07/19/2005
6903429Magnetic sensor integrated with CMOS
A magnetic sensor device formed using SOI CMOS techniques includes a substrate, a silicon oxide layer and in some cases a plurality of gated regions. A first terminal is located between two innermost gated regions and supplies a supply voltage. A second and a third ...
06/07/2005
6890770Magnetoresistive random access memory device structures and methods for fabricating the same
A method for fabricating an MRAM device structure includes providing a substrate on which is formed a first transistor and a second transistor. An operative memory element device is formed in electrical contact with the first transistor. At least a portion of a fals...
05/10/2005
6870717Semiconductor slider with an integral spin valve transistor structure and method for making same without a bonding step
A semiconductor slider including an integral spin valve transistor (SVT) having a read width of 250 nm or less disposed on a monolithic semiconductor substrate, useful in magnetic data storage applications. The monolithic slider may also include other magnetic and s...
03/22/2005
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