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Class Information
Number: 257/E29.226
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) > Types of semiconductor device (epo) > Controllable by only signal applied to control electrode (e.g., base of bipolar transistor, gate of field-effect transistor) (epo) > Unipolar device (epo)
Description: This subclass is indented under subclass E29.169. This subclass is substantially the same in scope as ECLA classification H01L29/76.

Sub-classes under this class:

Class Number Class Name Patents
257/E29.227 Charge transfer device (epo) 16
257/E29.242 Field-effect transistor (epo) 239
257/E29.241 Hot electron transistor (het) or metal base transistor (mbt) (epo) 132
257/E29.322 Single electron transistors: coulomb blockade device (epo) 97

Patents under this class:

Patent Number Title Of Patent Date Issued
8633492 Semiconductor device and method for manufacturing the same Jan. 21, 2014
8618607 Semiconductor devices formed on a continuous active region with an isolating conductive structure positioned between such semiconductor devices, and methods of making same Dec. 31, 2013
8552474 Junction field effect transistor structure Oct. 8, 2013
8513033 Method, design apparatus, and design program of semiconductor device, and semiconductor device Aug. 20, 2013
8507957 Integrated circuit layouts with power rails under bottom metal layer Aug. 13, 2013
8426868 Semiconductor device and method for manufacturing the same Apr. 23, 2013
8138033 Semiconductor component and method of manufacture Mar. 20, 2012
8110873 High voltage transistor Feb. 7, 2012
8004035 Dual stress liner device and method Aug. 23, 2011
7906807 Use of a polymer spacer and Si trench in a bitline junction of a flash memory cell to improve TPD characteristics Mar. 15, 2011
7872311 Method and apparatus for mobility enhancement in a semiconductor device Jan. 18, 2011
7868388 Embedded memory in a CMOS circuit and methods of forming the same Jan. 11, 2011
7829411 Method and device to form high quality oxide layers of different thickness in one processing step Nov. 9, 2010
7820552 Advanced high-k gate stack patterning and structure containing a patterned high-k gate stack Oct. 26, 2010
7811887 Forming silicon trench isolation (STI) in semiconductor devices self-aligned to diffusion Oct. 12, 2010
7785946 Integrated circuits and methods of design and manufacture thereof Aug. 31, 2010
7772620 Junction field effect transistor using a silicon on insulator architecture Aug. 10, 2010
7755112 Field effect transistor with air bridge Jul. 13, 2010
7732880 Semiconductor device and method of manufacturing the same Jun. 8, 2010
7683403 Spatially aware drive strength dependent die size independent combinatorial spare cell insertion manner and related system and method Mar. 23, 2010
7629616 Silicon carbide self-aligned epitaxial MOSFET for high powered device applications Dec. 8, 2009
7592653 Stress relaxation for top of transistor gate Sep. 22, 2009
7586141 High speed memory device with reduced resistance and leakage current Sep. 8, 2009
7564099 Monolithic MOSFET and Schottky diode device Jul. 21, 2009
7531881 Semiconductor devices having transistors with different gate structures and methods of fabricating the same May. 12, 2009
7512012 Non-volatile memory and manufacturing method and operating method thereof and circuit system including the non-volatile memory Mar. 31, 2009
7180105 Normally off JFET Feb. 20, 2007
7078758 Semiconductor device having memory and logic devices with reduced resistance and leakage current Jul. 18, 2006
6097036 Semiconductor logic element and apparatus using thereof Aug. 1, 2000
5650634 Interchannel nonequilibrium confined-phonon exchange device Jul. 22, 1997
5374831 Quantum well phonon modulator Dec. 20, 1994
4973910 Surface potential analyzer Nov. 27, 1990
4589005 Charge transfer device having improved electrodes May. 13, 1986
4430623 Monolithic amplifier comprising a power division and recombination system grouping a plurality of transistors Feb. 7, 1984
4356463 Filtering device using the transfer of electrical charges into a semiconductor Oct. 26, 1982
4314162 Filter circuit utilizing charge transfer device Feb. 2, 1982
4303839 Process for filtering an electrical signal by charge transfer into a semiconductor and switch capacitor filter using such a process Dec. 1, 1981
4293832 Transversal charge transfer filter Oct. 6, 1981
4257055 Negative resistance heterojunction devices Mar. 17, 1981
4255673 Input charge corrected monolithically integrated charge transfer device (CTD) arrangement Mar. 10, 1981
4200848 Transversal filter Apr. 29, 1980
4129880 Channel depletion boundary modulation magnetic field sensor Dec. 12, 1978
4126794 Semiconductor charge coupled device with split electrode configuration Nov. 21, 1978
4120035 Electrically reprogrammable transversal filter using charge coupled devices Oct. 10, 1978

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