U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 257/E27.038 - Vertical bipolar transistor in combination with diode, capacitor, or resistor (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
No. of patents: 37
Last issue date: 11/20/2001


NumberTitleIssue Date
6320232Integrated semiconductor circuit with protective structure for protection against electrostatic discharge
An integrated semiconductor circuit has a protective structure for protection against electrostatic discharge. The protective element has at least one integrated vertical protective transistor whose load path is connected between the terminal pad of the d...
11/20/2001
6194764Integrated semiconductor circuit with protection structure for protecting against electrostatic discharge
An integrated semiconductor circuit has a protection structure for protecting against electrostatic discharge. The protection element has at least one integrated vertical protection transistor, whose load path is connected between the terminal pad and a p...
02/27/2001
5986290Silicon controlled rectifier with reduced substrate current
The invention provides a silicon controlled rectifier having an anode and a cathode and including an NPN transistor and a PNP transistor. The NPN transistor has an emitter coupled to the cathode, a base and a collector. The PNP transistor has a base coupl...
11/16/1999
5834823Transistor with constant voltage diode
A power transistor incorporating a constant-voltage diode maintains the breakdown voltage of the constant-voltage diode at a specified level and prevents local breakdown of an insulating film located between an A1 field plate electrode and a base region o...
11/10/1998
5469103Diode circuit for high speed switching transistor
A semiconductor device, comprising a transistor, a constant voltage diode having a first end of a first conductivity type connected to an emitter of the transistor and a second end of a second conductivity type, a reverse current preventive diode having a...
11/21/1995
5349230Diode circuit for high speed switching transistor
A semiconductor device, comprising a transistor, a constant voltage diode having a first end of a first conductivity type connected to an emitter of the transistor and a second end of a second conductivity type, a reverse current preventive diode having a...
09/20/1994
5289043Switching system for selectively enabling electrical power to be applied to plural loads
There is described a semiconductor switch device having two semiconductor components, the first component receiving drive signals from the second. The first component contains either a single power bipolar switch element for single ended control of the en...
02/22/1994
5017503Process for making a bipolar transistor including selective oxidation
An integrated circuit device of large scale integration and a method of manufacturing the same makes possible high density packing of circuit elements by eliminating a great number of very minute contact holes. Instead, a circuit-element connector compris...
05/21/1991
4977476Semiconductor switch
There is described a semiconductor switch device having two semiconductor components, the first component receiving drive signals from the second. The first component contains either a single power bipolar switch element for single ended control of the en...
12/11/1990
4943742Schottky barrier diode clamp transistor
A semiconductor device used for, particularly, an output stage of a logic circuit is formed by a Schottky.barrier.diode clamping transistor. A clamping circuit is provided between a collector and a base for clamping a collector potential. The clamping cir...
07/24/1990
4924286Semiconductor device
A Darlington power transistor comprising two transistors (Q1, Q2) has a clip diode (Di) for clipping high surge voltage. A field plate (9a) is formed in a surface of a channel cut region (8) existing in peripheral portion ...
05/08/1990
4815037Bipolar type static memory cell
A bipolar type static memory cell comprising two cross connected circuits, each of the circuits including a transistor and a load element is disclosed. An N-type epitaxial layer, grown on an N+ -type buried layer, is used as a collector region ...
03/21/1989
4800416Bipolar power transistor having bypassable incorporated-base ballast resistance
The ballast resistance of the base of a bipolar power transistor is realized by a localized pinching of the base region by means of a special diffused region. A surface metallization brings the diffused region into contact with the adjacent base region so...
01/24/1989
4617524Integrated amplifier circuit having RC network to suppress oscillation
An integrated amplifier circuit which includes a semiconductor substrate, an amplifier transistor fabricated on the substrate, and an RC network fabricated on the substrate to suppress undesired, self-excited oscillations, the RC network being connected b...
10/14/1986
4599631Semiconductor apparatus having a zener diode integral with a resistor-transistor combination
A semiconductor apparatus includes a p+ -type region formed in the surface area of an n- -type semiconductor layer formed on a p-type semiconductor substrate, and an n+ -type region which is formed in a contact relationshi...
07/08/1986
4577123Integrated logic circuit having collector node with pull-up and clamp
A logic circuit of the I2 L, the ISL or the STL type having a signal input formed by the control electrode of an inverter transistor and plural signal outputs each coupled through a diode to a main electrode of the inverter transistor, this mai...
03/18/1986
4550390Semiconductor memory device
A semiconductor memory having a construction making it less susceptible to ଱-rays. The memory includes a pair of transistors connected in a flip-flop arrangement. In each memory transistor there is a buried region of high concentration which contact...
10/29/1985
4538244Semiconductor memory device
A semiconductor memory device in which a bipolar memory cell includes two cross-coupled transistors. The collector load is a Schottky barrier diode. A capacitor is formed to be connected to the Schottky barrier diode. The capacitor is formed by a junction...
08/27/1985
4456920Semiconductor device
A semiconductor device including at least first and second transistors having their respective emitter regions of a first conductivity type formed in a common base layer of a second conductivity type, the semiconductor device comprising a first electrode ...
06/26/1984
4450470Semiconductor integrated circuit device
An integrated circuit device of large scale integration and a method of manufacturing the same makes possible high density packing of circuit elements by eliminating a great number of very minute contact holes. Instead, a circuit-element connector compris...
05/22/1984
4398206Transistor with integrated diode and resistor
A semiconductor device including a transistor, diode and resistor comprises a body of semiconductor material formed with conventional emitter, base and collector regions. The collector region forms one electrode of the diode with the other electrode being...
08/09/1983
4388636Static memory cell and memory constructed from such cells
A static cross-coupled bipolar memory cell has a large read current/stand-by current ratio and short write time. The nonlinear load element includes a resistor with a parallel-connected pnp transistor serving as a diode and an inversely-operating npn tran...
06/14/1983
4314359Semiconductor memory device
The invention relates to an improvement in a semiconductor memory device including flip-flop type memory cells, each memory cell consisting of a pair of cross-coupled multi-emitter transistors. The semiconductor memory device of the invention is character...
02/02/1982
4293868Semiconductor device, method of manufacturing the same and application thereof
This invention relates to a power transistor which includes a driving transistor and an output transistor in the Darlington connection. This invention has for its object to prevent the power transistor from being destroyed by a surge in such a way that a ...
10/06/1981
4288807Darlington circuit having an improved diode drain
In a Darlington circuit with integrated speed-up diode the parasitic four-layer effect (p-n-p-n), which is detrimental to the circuit, is removed by giving the diode a divided configuration. The width of the sub-regions is chosen to be so small that the s...
09/08/1981
4285001Monolithic distributed resistor-capacitor device and circuit utilizing polycrystalline semiconductor material
A distributed resistor-capacitor device which is highly reproducible with near ideal electrical characteristics including a substrate, an insulating layer on a major surface of the substrate, and a polycrystalline semiconductor material on the insulating ...
08/18/1981
4260910Integrated circuits with built-in power supply protection
To provide an integrated circuit with protection against overvoltage and overcurrent conditions, the channel of a field effect transistor is connected between the d.c. supply conductor for the integrated circuit and a further conductor for connection to o...
04/07/1981
4187516Semiconductor integrated circuits
A semiconductor integrated circuit which is reduced in size by having active and/or passive elements in an epitaxial layer having a [100] crystallographic surface, and having anisotropically etched regions with sloped [111] crystallographic surface walls ...
02/05/1980
4159915Method for fabrication vertical NPN and PNP structures utilizing ion-implantation
A method is given for fabricating vertical NPN and PNP structures on the same semiconductor body. The method involves providing a monocrystalline semiconductor substrate having regions of monocrystalline silicon isolated from one another by isolation regi...
07/03/1979
4100561Protective circuit for MOS devices
The circuit protects the oxide of MOS devices from destructive breakdown by limiting the potential difference which can exist between two circuit nodes. By forming a protective circuit between each pair of nodes in the circuit, the range of voltages which...
07/11/1978
4048517Logic element
A logic element, particularly a bipolar gate circuit for an LSI-circuit, employing a pair of Schottky-diodes, a pair of resistances and a transistor, with the diodes, connected in high resistance direction, to respective inputs, the other sides of the dio...
09/13/1977
4039857Dynamic biasing of isolation boat including diffused resistors
A diode current steering network is fabricated in minimum area in a monolithic integrated circuit by dynamically biasing an isolation boat wherein are contained diffused resistors connected to the various circuit points to which current is to be steered....
08/02/1977
4025802Capacitance circuit
In a capacitance circuit having a capacitance element which exhibits a breakdown characteristic and which generates noises at breakdown, the improvement comprising a constant-voltage element, which has a lower breakdown voltage than the capacitance elemen...
05/24/1977
3999080Transistor coupled logic circuit
A TTL logic circuit employing single emitter PNP input transistors instead of a multi-emitter input stage, in order to reduce loading on input drive devices. The circuit features a logic swing of 1.6 volts centered on a circuit threshold of 1.6 volts with...
12/21/1976
3962590TTL compatible logic gate circuit
A logic gate circuit includes a resistance divider input to the base of an input transistor and a multiple emitter output transistor in an emitter follower configuration. The circuit has favorable switching speed and power dissipation characteristics and ...
06/08/1976
3962718Capacitance circuit
In a capacitance circuit having a capacitance element which exhibits a breakdown characteristic and which generates noises at breakdown, the improvement comprising a constant-voltage element, which has a lower breakdown voltage than the capacitance elemen...
06/08/1976
3936863Integrated power transistor with ballasting resistance and breakdown protection
An integrated power transistor has at least one emitter region, having a ballasting resistance to reduce the possibility of second breakdown. Also integrated within the device is a voltage control diode, located between the collector terminal and the emit...
02/03/1976
 
Sign InRegister
Username  
Password   
forgot password?