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Class Information
Number: 257/E29.114
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Electrodes (epo) > Characterized by their shape, relative sizes or dispositions (epo) > Carrying current to be rectified, amplified or switched (epo) > Emitter or collector electrodes for bipolar transistors (epo)
Description: This subclass is indented under subclass E29.113. This subclass is substantially the same in scope as ECLA classification H01L29/417B.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8546229 Methods for fabricating bipolar transistors with improved gain Oct. 1, 2013
8501572 Spacer structure for transistor device and method of manufacturing same Aug. 6, 2013
8390097 Insulated gate bipolar transistor having contact region with variable width Mar. 5, 2013
8384154 Bidirectional power switch controllable to be turned on and off Feb. 26, 2013
8384193 Bipolar transistor with two different emitter portions having same type dopant of different concentrations for improved gain Feb. 26, 2013
8269313 Bipolar transistor including conductive first and second protection layers Sep. 18, 2012
8232156 Vertical heterojunction bipolar transistors with reduced base-collector junction capacitance Jul. 31, 2012
8222114 Manufacturing approach for collector and a buried layer of bipolar transistor Jul. 17, 2012
8193608 Semiconductor device Jun. 5, 2012
8159048 Bipolar junction transistor geometry Apr. 17, 2012
8101987 Semiconductor device and method of fabricating the same Jan. 24, 2012
8076755 Semiconductor device and method of manufacturing the same Dec. 13, 2011
8008712 Metallization and its use in, in particular, an IGBT or a diode Aug. 30, 2011
8003473 Bipolar transistor with silicided sub-collector Aug. 23, 2011
7994611 Bipolar transistor fabricated in a biCMOS process Aug. 9, 2011
7936065 Semiconductor devices and method of manufacturing them May. 3, 2011
7872326 Array of vertical bipolar junction transistors, in particular selectors in a phase change memory device Jan. 18, 2011
7868335 Modulation doped super-lattice sub-collector for high-performance HBTs and BJTs Jan. 11, 2011
7816763 BJT and method for fabricating the same Oct. 19, 2010
7705425 Solid-state high power device and method Apr. 27, 2010
7679164 Bipolar transistor with silicided sub-collector Mar. 16, 2010
7524730 Method of fabricating bipolar junction transistor Apr. 28, 2009
7432169 Method for manufacturing semiconductor device Oct. 7, 2008
7329940 Semiconductor structure and method of manufacture Feb. 12, 2008
7323763 Semiconductor device having an improved voltage controlled oscillator Jan. 29, 2008
7208387 Method for manufacturing compound semiconductor wafer and compound semiconductor device Apr. 24, 2007
7071500 Semiconductor device and manufacturing method for the same Jul. 4, 2006
7067857 Semiconductor device having led out conductor layers, manufacturing method of the same, and semiconductor module Jun. 27, 2006
7038255 Integrated circuit arrangement having PNP and NPN bipolar transistors, and fabrication method May. 2, 2006
7022578 Heterojunction bipolar transistor using reverse emitter window Apr. 4, 2006
7013123 Wireless communication system Mar. 14, 2006
7005723 Bipolar transistor and method of producing same Feb. 28, 2006
6998699 Redundant interconnect high current bipolar device and method of forming the device Feb. 14, 2006
6984871 Semiconductor device with high structural reliability and low parasitic capacitance Jan. 10, 2006
6979884 Bipolar transistor having self-aligned silicide and a self-aligned emitter contact border Dec. 27, 2005
6949437 Manufacturing method of semiconductor device including an anisotropic etching step Sep. 27, 2005
6940357 Bipolar transistor, for voltage controlled oscillator using a capacitance adjustment line Sep. 6, 2005
6897547 Semiconductor device including bipolar junction transistor, and production method therefor May. 24, 2005
6893933 Bipolar transistors with low-resistance emitter contacts May. 17, 2005
6891249 Method and system for high density integrated bipolar power transistor using buried power buss May. 10, 2005
6858887 BJT device configuration and fabrication method with reduced emitter width Feb. 22, 2005
6853048 Bipolar transistor having an isolation structure located under the base, emitter and collector and a method of manufacture thereof Feb. 8, 2005
6844575 Heterojunction bipolar transistor and method for fabricating the same Jan. 18, 2005
6818492 Semiconductor device and manufacturing method thereof Nov. 16, 2004
6815303 Bipolar transistors with low-resistance emitter contacts Nov. 9, 2004
6806159 Method for manufacturing a semiconductor device with sinker contact region Oct. 19, 2004
6803317 Method of making a vertical gate semiconductor device Oct. 12, 2004
6774455 Semiconductor device with a collector contact in a depressed well-region Aug. 10, 2004
6753592 Multi-technology complementary bipolar output using polysilicon emitter and buried power buss with low temperature processing Jun. 22, 2004
6730981 Bipolar transistor with inclined epitaxial layer May. 4, 2004

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