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Patent No. 5996127

Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 257/571 - Non-planar structure (e.g., mesa emitter, or having a groove to define resistor)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the device is a non-planar structure
No. of patents: 64
Last issue date: 05/31/2011


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NumberTitleIssue Date
7952165Heterojunction bipolar transistor (HBT) with self-aligned sub-lithographic metal-semiconductor alloy base contacts
A heterojunction bipolar transistor structure with self-aligned sub-lithographic extrinsic base region including a self-aligned metal-semiconductor alloy and self-aligned metal contacts made to the base is disclosed. The lateral dimension of the extrinsic base regio...
05/31/2011
7425754Structure and method of self-aligned bipolar transistor having tapered collector
A bipolar transistor is provided which includes a tapered, i.e. frustum-shaped, collector pedestal having an upper substantially planar surface, a lower surface, and a slanted sidewall extending between the upper surface and the lower surface, the upper surface havi...
09/16/2008
7319254Semiconductor memory device having resistor and method of fabricating the same
A semiconductor device having resistors in a peripheral area and fabrication method thereof are provided. A mold layer is formed on a semiconductor substrate. The mold layer is patterned to form first molding holes and a second molding hole in the mold layer. A stor...
01/15/2008
7271019Lateral heat spreading layers for epi-side up ridge waveguide semiconductor lasers
Disclosed are a semiconductor device and method of manufacturing the same comprising a substrate, a mesa region adjacent to the substrate, an electroplated metal layer, for reducing the thermal resistance of the device, surrounding the mesa region, an insulator laye...
09/18/2007
7256433Bipolar transistor and a method of manufacturing the same
A bipolar transistor having enhanced characteristics is fabricated by etching a base mesa, which is formed below an emitter mesa (upper emitter layer) and a base electrode, so as to have jut regions on the edges of its generally rectangular region. A mask film, e.g....
08/14/2007
7253498Bipolar transistor with geometry optimized for device performance, and method of making same
The present invention is generally directed to bipolar transistors with geometry optimized for device performance and various methods of making same. In one illustrative embodiment, the device includes a substrate, an intrinsic base region formed in the substrate, a...
08/07/2007
7247533Method of fabricating semiconductor device using selective epitaxial growth
A method of fabricating a semiconductor device uses selective epitaxial growth (SEG), by which leakage current generation is minimized using lateral SEG growth in case a contact intrudes a shallow track isolation feature. The method includes steps of forming a sidew...
07/24/2007
7190047Transistors and methods for making the same
Apparatus comprising: a first compound semiconductor composition layer doped to have a first charge carrier polarity; a second compound semiconductor composition layer doped to have a second charge carrier polarity and located on the first layer; a third compound se...
03/13/2007
7141856Multi-structured Si-fin
Disclosed is a semiconductor fin construction useful in FinFET devices that incorporates an upper region and a lower region with wherein the upper region is formed with substantially vertical sidewalls and the lower region is formed with inclined sidewalls to produc...
11/28/2006
7126171Bipolar transistor
A bipolar transistor of the present invention comprises a collector layer made of an n-type semiconductor and an emitter layer made of an n-type semiconductor provided on this collector layer. A gate layer for injecting p-type carriers (holes) into the emitter layer...
10/24/2006
7087979Bipolar transistor with an ultra small self-aligned polysilicon emitter
The intrinsic base region of a bipolar transistor is formed to avoid a chemical interaction between the chemicals used in a chemical mechanical polishing step and the materials used to form the base region. The method includes the step of forming a trench in a layer...
08/08/2006
7067857Semiconductor device having led out conductor layers, manufacturing method of the same, and semiconductor module
The gist of the present invention is as follows: In a monolithic microwave integrate circuit (MMIC) using a heterojunction bipolar transistor (HBT), via holes are respectively formed from the bottom of the MMIC for the emitter, base and collector. Of the via holes, ...
06/27/2006
7064417Semiconductor device including a bipolar transistor
A semiconductor device includes a bipolar transistor formed on a semiconductor substrate 1, in which a collector region 13 is formed on the semiconductor substrate 1; a first insulating layer 31 having a first opening 51 formed in ...
06/20/2006
7061022Lateral heat spreading layers for epi-side up ridge waveguide semiconductor lasers
Disclosed are a semiconductor device and method of manufacturing the same comprising a substrate, a mesa region adjacent to the substrate, an electroplated metal layer, for reducing the thermal resistance of the device, surrounding the mesa region, an insulator laye...
06/13/2006
7061074Visible imaging device using Darlington phototransistors
The present invention is a modified darlington phototransistor wherein a phototransistor is coupled to a Bipolar Junction Transistor (BJT). This design provides a high sensitivity and a fast response and effectively increases the gain of the photocurrent. This circu...
06/13/2006
7034379Carbide emitter mask etch stop
Bipolar transistors and methods for fabricating bipolar transistors are disclosed wherein an emitter-base dielectric stack is formed between emitter and base structures, comprising a carbide layer situated between first and second oxide layers. The carbide layer pro...
04/25/2006
6962842Method of removing a sacrificial emitter feature in a BICMOS process with a super self-aligned BJT
A method of removing a sacrificial emitter feature in a bipolar complementary metal oxide semiconductor (BICMOS) process with a super self-aligned bipolar junction transistor (BJT) is disclosed. According to the new method, a mask layer, such as an oxide deposited u...
11/08/2005
6812545Epitaxial base bipolar transistor with raised extrinsic base
An epitaxial base bipolar transistor comprising an epitaxial single crystal layer on a single crystal single substrate; a raised emitter on the semiconductor surface; a raised extrinsic base on the surface of the semiconductor substrate; an insulator between the rai...
11/02/2004
6803642Bipolar device having non-uniform depth base-emitter junction
A non-uniform depth base-emitter junction, with deeper junction at the lateral portions of the emitter, preferably coupled with a recessed and raised extrinsic base, bipolar transistor, and a method of making the same. The bipolar transistor includes a substrate, a ...
10/12/2004
6797995Heterojunction bipolar transistor with InGaAs contact and etch stop layer for InP sub-collector
A thin InGaAs contact layer is provided for the collector of a heterojunction bipolar transistor (HBT) above an InP sub-collector. The contact layer provides a low resistance contact mechanism and a high thermal conductivity path for removing device heat though the ...
09/28/2004
6777782Method for fabricating base-emitter self-aligned heterojunction bipolar transistors
A transistor and method for making the same are disclosed. The transistor is constructed from a collector layer, a base layer, and an emitter layer in a stacked arrangement. The emitter layer is etched to form a mesa on an etched surface, the mesa having a top surfa...
08/17/2004
6680236Ion-implantation and shallow etching to produce effective edge termination in high-voltage heterojunction bipolar transistors
A method is provided for improving edge terminations in a semiconductor device while maintaining breakdown voltage of said semiconductor device at or near its theoretical limit. The method comprises: employing ion-implantation to create a compensated regi...
01/20/2004
6627925Transistor having a novel layout and an emitter having more than one feed point
A transistor with a novel compact layout is provided. The transistor has an emitter layout having a track with a first feed point and a second feed point whereby current flows through both the first feed point and the second feed point. A base terminal, a...
09/30/2003
6600179Power amplifier with base and collector straps
A semiconductor amplifier includes collector straps that form air bridges over a set of transistors and make parallel electrical connections between the collectors of the transistor and collector contact pad. Base straps establish base bias and electrical...
07/29/2003
6600211Bipolar transistor constructions
The invention includes a bipolar transistor construction having a collector region, emitter region, and base region extending within a semiconductive material substrate. The construction further comprises separate access regions associated with the base r...
07/29/2003
6593604Heterojunction bipolar transistor, manufacturing method therefor, and communication device therewith
An emitter of a heterojunction bipolar transistor has a double-layer protrusion formed of a first emitter layer and a second emitter layer and protruded outside an external base region. The protrusion of 50 nm in total thickness is enough to prevent damag...
07/15/2003
6586782Transistor layout having a heat dissipative emitter
Various embodiments of a novel transistor layout having improved electrical and heat dissipation characteristics are disclosed. Several embodiments include various intrinsic components contoured to the shape of the emitter. The various intrinsic component...
07/01/2003
6486532Structure for reduction of base and emitter resistance and related method
According to one embodiment, a semiconductor device including a base, an emitter, and an emitter contact on top of the emitter is disclosed. For example, the semiconductor device can be a silicon-germanium heterojunction bipolar transistor, in which the b...
11/26/2002
6376897Lateral bipolar transistor formed on an insulating layer
In a bipolar transistor improved to exhibit an excellent high-frequency property by decreasing the width of the intrinsic base with without increasing the base resistance, an emitter region, intrinsic base region and collector region are closely aligned o...
04/23/2002
6310368Semiconductor device and method for fabricating same
A semiconductor device includes: a semiconductor layered structure including a predetermined mesa portion, formed on a semiconductor substrate; a support member formed so as to bury the mesa portion; and an interconnection layer formed on a top surface of...
10/30/2001
6245628Method of manufacturing a resistor in a semiconductor device
A resistive area 7 is formed selectively on a semi-insulating substrate 1, and ohmic electrodes 10 are formed on both ends of the resistive area. Then a photo resist 14 having an opening 13 between the electrodes 10 is so formed as not completely across t...
06/12/2001
6236071Transistor having a novel layout and an emitter having more than one feed point
A transistor with a novel compact layout is provided. The transistor has an emitter layout having a track with a first feed point and a second feed point whereby current flows through both the first feed point and the second feed point. A base terminal, a...
05/22/2001
6222249Semiconductor device
A number of npn and pnp bipolar transistors is formed in a single chip of silicon, so that some of the transistors have a greater frequency response than others. The higher frequency transistors have their emitters located closer to the collectors, by pos...
04/24/2001
6159414Large composite core structures formed by vacuum assisted resin transfer molding
Large composite structures are produced using a vacuum assisted resin transfer molding process. The structures incorporate cores, which may be hollow cells or foam blocks. A plurality of cores, each of which may be wrapped with a fiber material, is arrang...
12/12/2000
6137154Bipolar transistor with increased early voltage
An improved bipolar transistor (202) has an increased Early voltage and can be integrated on a semiconductor die with MOS transistors (201) and other types of devices to form an integrated circuit (200). A p-type base region (240) is disposed in an n-type...
10/24/2000
6051871Heterojunction bipolar transistor having improved heat dissipation
A heterojunction bipolar transistor has a mesa including collector 604, base 603, and emitter 602 layers. The mesa has first and second sidewalls 606. An improved heat dissipation structure comprises a layer of electrically insulative and thermally conduc...
04/18/2000
6040617Structure to provide junction breakdown stability for deep trench devices
The present invention is directed to an improved deep trench structure, for use in junction devices, which addresses junction breakdown voltage instabilities of the prior art. The primary, or metallurgical, junction where avalanche breakdown occurs is mov...
03/21/2000
5861640Mesa bipolar transistor with sub base layer
A mesa bipolar transistor comprising a collector layer formed on a surface of a substrate, a base layer disposed on the substrate so as to be joined to the collector layer, an emitter layer disposed on the base layer is further provided with a sub base la...
01/19/1999
5859469Use of tungsten filled slots as ground plane in integrated circuit structure
A semiconductor device having the base and collector surrounded by a continuous tungsten filled slot as ground plane. The portion of the tungsten filled slot over the buried layer extends beyond the surface of the buried layer and the portion of the tungs...
01/12/1999
5783966Reducing junction capacitance and increasing current gain in collector-up bipolar transistors
This is a method of fabricating a bipolar transistor on a wafer. The method can comprise: forming a doped emitter contact layer 31 on a substrate 30; forming a doped emitter layer 32 on top of the emitter contact layer, the emitter layer doped same conduc...
07/21/1998
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