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Class Information
Number: 257/E29.339
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 only by variation of electric current supplied or only electric potential applied to electrode carrying current to be rectified, amplified, oscillated, or switched (epo) > Diode (epo) > Tunneling diode (epo)
Description: This subclass is indented under subclass E29.327. This subclass is substantially the same in scope as ECLA classification H01L29/88.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.341 Esaki diode (epo) 14
257/E29.34 Resonant tunneling diode (i.e., rtd, rtbd) (epo) 83


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8624293 Carbon/tunneling-barrier/carbon diode Jan. 7, 2014
8537590 Memory having tunnel barrier and method for writing and reading information to and from this memory Sep. 17, 2013
8273643 Diodes, and methods of forming diodes Sep. 25, 2012
8217495 High-frequency bridge suspended diode Jul. 10, 2012
8212327 High fill-factor laser-treated semiconductor device on bulk material with single side contact scheme Jul. 3, 2012
8164080 Diode structures and resistive random access memory devices having the same Apr. 24, 2012
8053947 Device for converting thermal energy into electrical energy Nov. 8, 2011
8044485 Semiconductor device Oct. 25, 2011
7994512 Gallium nitride based diodes with low forward voltage and low reverse current operation Aug. 9, 2011
7910916 Multi-junction type solar cell device Mar. 22, 2011
7858506 Diodes, and methods of forming diodes Dec. 28, 2010
7700466 Tunneling effect transistor with self-aligned gate Apr. 20, 2010
7589348 Thermal tunneling gap diode with integrated spacers and vacuum seal Sep. 15, 2009
7560750 Solar cell device Jul. 14, 2009
7385262 Band-structure modulation of nano-structures in an electric field Jun. 10, 2008
7323709 Method for increasing efficiency of thermotunnel devices Jan. 29, 2008
7015494 Assemblies displaying differential negative resistance Mar. 21, 2006
6952019 Electron device which controls quantum chaos and quantum chaos controlling method Oct. 4, 2005
6949774 Gallium nitride based diodes with low forward voltage and low reverse current operation Sep. 27, 2005
6929983 Method of forming a current controlling device Aug. 16, 2005
6878975 Polarization field enhanced tunnel structures Apr. 12, 2005
6835967 Semiconductor diodes with fin structure Dec. 28, 2004
6812070 Epitaxially-grown backward diode Nov. 2, 2004
6686240 Semiconductor memory device having a multiple tunnel junction layer pattern and method of fabricating the same Feb. 3, 2004
6677207 Vanishingly small integrated circuit diode Jan. 13, 2004
6635921 Semiconductor memory device having a multiple tunnel junction layer pattern and method of fabricating the same Oct. 21, 2003
6635907 Type II interband heterostructure backward diodes Oct. 21, 2003
6617643 Low power tunneling metal-oxide-semiconductor (MOS) device Sep. 9, 2003
6600177 Boron-carbide and boron rich rhombohedral based transistors and tunnel diodes Jul. 29, 2003
6507043 Epitaxially-grown backward diode Jan. 14, 2003
6472683 Semiconductor quantum oscillation device Oct. 29, 2002
6440786 Boron-carbide and boron rich rhobohedral based transistors and tunnel diodes Aug. 27, 2002
6344673 Multilayered quantum conducting barrier structures Feb. 5, 2002
6303942 Multi-layer charge injection barrier and uses thereof Oct. 16, 2001
6271544 SiC/Si heterostructure semiconductor switch and fabrication thereof Aug. 7, 2001
6204513 Heterostructure interband tunneling diode Mar. 20, 2001
6025611 Boron-carbide and boron rich rhobohedral based transistors and tunnel diodes Feb. 15, 2000
5930133 Rectifying device for achieving a high power efficiency Jul. 27, 1999
5731598 Single electron tunnel device and method for fabricating the same Mar. 24, 1998
5679963 Semiconductor tunnel junction with enhancement layer Oct. 21, 1997
5670790 Electronic device Sep. 23, 1997
5659180 Heterojunction interband tunnel diodes with improved P/V current ratios Aug. 19, 1997
5541422 Tunnel diode with several permanent switching states Jul. 30, 1996
5512773 Switching element with memory provided with Schottky tunnelling barrier Apr. 30, 1996
5449922 Bipolar heterojunction diode Sep. 12, 1995
5440148 Quantum operational device Aug. 8, 1995
5422496 Interband single-electron tunnel transistor and integrated circuit Jun. 6, 1995
5359257 Ballistic electron, solid state cathode Oct. 25, 1994
5258625 Interband single-electron tunnel transistor and integrated circuit Nov. 2, 1993
5225369 Tunnel diode detector for microwave frequency applications Jul. 6, 1993

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