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Class Information
Number: 257/E27.055
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Device consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate, e.g., integrated circuit device (epo) > Including semiconductor component with at least one potential barrier or surface barrier adapted for rectifying, oscillating, amplifying, or switching, or including integrated passive circuit elements (epo) > With semiconductor substrate only (epo) > Including only semiconductor components of a single kind, e.g., all bipolar transistors, all diodes, or all cmos (epo) > Bipolar component only (epo) > Vertical bipolar transistor only (epo)
Description: This subclass is indented under subclass E27.053. This subclass is substantially the same in scope as ECLA classification H01L27/082V.










Sub-classes under this class:

Class Number Class Name Patents
257/E27.058 Combination of direct and inverse vertical transistors (e.g., collector acts as emitter) (epo) 17
257/E27.057 Vertical complementary transistor (epo) 131
257/E27.056 Vertical direct transistor of the same conductivity type having different characteristics, (e.g. darlington transistor) (epo) 100


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8643056 Power semiconductor device and method of manufacturing the same Feb. 4, 2014
8643085 High-voltage-resistant semiconductor component having vertically conductive semiconductor body areas and a trench structure Feb. 4, 2014
8455975 Parasitic PNP bipolar transistor in a silicon-germanium BiCMOS process Jun. 4, 2013
8247300 Control of dopant diffusion from buried layers in bipolar integrated circuits Aug. 21, 2012
8097919 Mesa termination structures for power semiconductor devices including mesa step buffers Jan. 17, 2012
7939912 Spin polarization amplifying transistor May. 10, 2011
7888712 Semiconductor device and method for manufacturing same Feb. 15, 2011
7872326 Array of vertical bipolar junction transistors, in particular selectors in a phase change memory device Jan. 18, 2011
7863709 Low base resistance bipolar junction transistor array Jan. 4, 2011
7846805 Self-aligned vertical PNP transistor for high performance SiGe CBiCMOS process Dec. 7, 2010
7847373 Fabricating bipolar junction select transistors for semiconductor memories Dec. 7, 2010
7842537 Stressed semiconductor using carbon and method for producing the same Nov. 30, 2010
7777255 Bipolar transistor with raised base connection region and process for the production thereof Aug. 17, 2010
7719087 Semiconductor device May. 18, 2010
7683428 Vertical Fin-FET MOS devices Mar. 23, 2010
7615457 Method of fabricating self-aligned bipolar transistor having tapered collector Nov. 10, 2009
7612430 Silicon bipolar transistor, circuit arrangement and method for producing a silicon bipolar transistor Nov. 3, 2009
7586130 Vertical field effect transistor using linear structure as a channel region and method for fabricating the same Sep. 8, 2009
7566948 Bipolar transistor with enhanced base transport Jul. 28, 2009
7566626 System and method for providing a fully self aligned bipolar transistor using modified cavity formation to optimize selective epitaxial growth Jul. 28, 2009
7495312 Method for producing vertical bipolar transistors and integrated circuit Feb. 24, 2009
7494854 Turn-on-efficient bipolar structures for on-chip ESD protection Feb. 24, 2009
7488662 Self-aligned vertical PNP transistor for high performance SiGe CBiCMOS process Feb. 10, 2009
7425754 Structure and method of self-aligned bipolar transistor having tapered collector Sep. 16, 2008
RE40222 Electronic semiconductor power device with integrated diode Apr. 8, 2008
7161230 Insulated gate bipolar transistor having a high switching speed and method for fabricating the same Jan. 9, 2007
7075156 Collector structure for electrostatic discharge protection circuits Jul. 11, 2006
7067900 Insulated gate bipolar transistor having a reduced tail current and method of fabricating the same Jun. 27, 2006
7067857 Semiconductor device having led out conductor layers, manufacturing method of the same, and semiconductor module Jun. 27, 2006
6975924 Method and apparatus for controlling the strategy of compounding pharmaceutical admixtures Dec. 13, 2005
6777781 Base-to-substrate leakage cancellation Aug. 17, 2004
6762479 Microwave array transistor for low-noise and high-power applications Jul. 13, 2004
6664609 High frequency differential amplification circuit with reduced parasitic capacitance Dec. 16, 2003
6611043 Bipolar transistor and semiconductor device having the same Aug. 26, 2003
6472288 Method of fabricating bipolar transistors with independent impurity profile on the same chip Oct. 29, 2002
6437421 Self-aligned dual-base semiconductor process and structure incorporating multiple bipolar device types Aug. 20, 2002
6423603 Method of forming a microwave array transistor for low-noise and high-power applications Jul. 23, 2002
6414371 Process and structure for 50+ gigahertz transistor Jul. 2, 2002
6329699 Bipolar transistor with trenched-groove isolation regions Dec. 11, 2001
6300669 Semiconductor integrated circuit device and method of designing same Oct. 9, 2001
6198154 PNP lateral bipolar electronic device Mar. 6, 2001
6087224 Manufacture of trench-gate semiconductor devices Jul. 11, 2000
5866461 Method for forming an integrated emitter switching configuration using bipolar transistors Feb. 2, 1999
5831324 Electromagnetic wave suppression method in a semiconductor manufacturing process Nov. 3, 1998
5597742 Semiconductor device and method Jan. 28, 1997
5500551 Integrated emitter switching configuration using bipolar transistors Mar. 19, 1996
5481132 Transistor with a predetermined current gain in a bipolar integrated circuit Jan. 2, 1996
5444291 Integrated bridge device for optimizing conduction power losses Aug. 22, 1995
5432376 Semiconductor devices containing power and control transistors Jul. 11, 1995
5424510 Circuit and method of providing thermal compensation for a transistor to minimize offset voltage due to self-heating of associated devices Jun. 13, 1995

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