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Class Information
Number: 257/571
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Bipolar transistor structure > Plural non-isolated transistor structures in same structure > Darlington configuration (i.e., emitter to collector current of input transistor supplied to base region of output transistor) > Non-planar structure (e.g., mesa emitter, or having a groove to define resistor)
Description: Subject matter wherein the device is a non-planar structure (i.e., the upper surface is not a completely flat, unbroken surface).

Patents under this class:
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Patent Number Title Of Patent Date Issued
8384194 Power semiconductor device comprising a plurality of trench IGBTs Feb. 26, 2013
8334581 Semiconductor device exhibiting withstand voltages in the forward and reverse directions Dec. 18, 2012
8269313 Bipolar transistor including conductive first and second protection layers Sep. 18, 2012
8071457 Low capacitance precision resistor Dec. 6, 2011
8026146 Method of manufacturing a bipolar transistor Sep. 27, 2011
7952165 Heterojunction bipolar transistor (HBT) with self-aligned sub-lithographic metal-semiconductor alloy base contacts May. 31, 2011
7952173 Nanometric device with a hosting structure of nanometric elements May. 31, 2011
7867885 Post structure, semiconductor device and light emitting device using the structure, and method for forming the same Jan. 11, 2011
7800093 Resistive memory including buried word lines Sep. 21, 2010
7777255 Bipolar transistor with raised base connection region and process for the production thereof Aug. 17, 2010
7737530 Semiconductor device structures for bipolar junction transistors and methods of fabricating such structures Jun. 15, 2010
7618872 Semiconductor device structures for bipolar junction transistors and methods of fabricating such structures Nov. 17, 2009
7521761 Variable layout structure for producing CMOS circuit Apr. 21, 2009
7425754 Structure and method of self-aligned bipolar transistor having tapered collector Sep. 16, 2008
7319254 Semiconductor memory device having resistor and method of fabricating the same Jan. 15, 2008
7256433 Bipolar transistor and a method of manufacturing the same Aug. 14, 2007
7253498 Bipolar transistor with geometry optimized for device performance, and method of making same Aug. 7, 2007
7247533 Method of fabricating semiconductor device using selective epitaxial growth Jul. 24, 2007
7126171 Bipolar transistor Oct. 24, 2006
7087979 Bipolar transistor with an ultra small self-aligned polysilicon emitter Aug. 8, 2006
7067857 Semiconductor device having led out conductor layers, manufacturing method of the same, and semiconductor module Jun. 27, 2006
7064417 Semiconductor device including a bipolar transistor Jun. 20, 2006
7061074 Visible imaging device using Darlington phototransistors Jun. 13, 2006
7034379 Carbide emitter mask etch stop Apr. 25, 2006
6812545 Epitaxial base bipolar transistor with raised extrinsic base Nov. 2, 2004
6803642 Bipolar device having non-uniform depth base-emitter junction Oct. 12, 2004
6797995 Heterojunction bipolar transistor with InGaAs contact and etch stop layer for InP sub-collector Sep. 28, 2004
6777782 Method for fabricating base-emitter self-aligned heterojunction bipolar transistors Aug. 17, 2004
6680236 Ion-implantation and shallow etching to produce effective edge termination in high-voltage heterojunction bipolar transistors Jan. 20, 2004
6627925 Transistor having a novel layout and an emitter having more than one feed point Sep. 30, 2003
6600211 Bipolar transistor constructions Jul. 29, 2003
6600179 Power amplifier with base and collector straps Jul. 29, 2003
6593604 Heterojunction bipolar transistor, manufacturing method therefor, and communication device therewith Jul. 15, 2003
6586782 Transistor layout having a heat dissipative emitter Jul. 1, 2003
6486532 Structure for reduction of base and emitter resistance and related method Nov. 26, 2002
6376897 Lateral bipolar transistor formed on an insulating layer Apr. 23, 2002
6310368 Semiconductor device and method for fabricating same Oct. 30, 2001
6245628 Method of manufacturing a resistor in a semiconductor device Jun. 12, 2001
6236071 Transistor having a novel layout and an emitter having more than one feed point May. 22, 2001
6222249 Semiconductor device Apr. 24, 2001
6159414 Large composite core structures formed by vacuum assisted resin transfer molding Dec. 12, 2000
6137154 Bipolar transistor with increased early voltage Oct. 24, 2000
6051871 Heterojunction bipolar transistor having improved heat dissipation Apr. 18, 2000
6040617 Structure to provide junction breakdown stability for deep trench devices Mar. 21, 2000
5861640 Mesa bipolar transistor with sub base layer Jan. 19, 1999
5859469 Use of tungsten filled slots as ground plane in integrated circuit structure Jan. 12, 1999
5783966 Reducing junction capacitance and increasing current gain in collector-up bipolar transistors Jul. 21, 1998
5637909 Semiconductor device and method of manufacturing the same Jun. 10, 1997
5574306 Lateral bipolar transistor and FET Nov. 12, 1996
5557131 Elevated emitter for double poly BICMOS devices Sep. 17, 1996

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