Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E29.053
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) > Electrical characteristics due to properties of entire semiconductor body rather than just surface region (epo) > Characterized by specified shape or size of pn junction or by specified impurity concentration gradient within the device (epo) > With semiconductor regions connected to electrode not carrying current to be rectified, amplified or switched and such electrode being part of semiconductor device which comprises three or more electrodes (epo) > Channel region of field-effect devices (epo) > Of field-effect transistors (epo) > With insulated gate (epo) > With nonuniform doping structure in channel region surface (epo)
Description: This subclass is indented under subclass E29.051. This subclass is substantially the same in scope as ECLA classification H01L29/10D2B2.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.054 Doping structure being parallel to channel length (epo) 297


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8610207 Semiconductor architecture having field-effect transistors especially suitable for analog applications Dec. 17, 2013
8569764 Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the same Oct. 29, 2013
8395212 Semiconductor architecture having field-effect transistors especially suitable for analog applications Mar. 12, 2013
8357979 Electronic device comprising a field effect transistor for high-frequency applications Jan. 22, 2013
8227871 Semiconductor device and method for manufacturing the same Jul. 24, 2012
8148777 Structure and fabrication of insulated-gate field-effect transistor with hypoabrupt change in body dopant concentration below source/drain zone Apr. 3, 2012
8138030 Asymmetric finFET device with improved parasitic resistance and capacitance Mar. 20, 2012
8110897 Semiconductor device with carbon-containing region Feb. 7, 2012
8106481 Semiconductor devices with graded dopant regions Jan. 31, 2012
8013390 Semiconductor architecture having field-effect transistors especially suitable for analog applications Sep. 6, 2011
7960786 Breakdown voltages of ultra-high voltage devices by forming tunnels Jun. 14, 2011
7892927 Transistor with a channel comprising germanium Feb. 22, 2011
7880202 Modulated-Vt transistor Feb. 1, 2011
7838930 Insulated-gate field-effect transistor with hypoabrupt step change in body dopant concentration below source/drain zone Nov. 23, 2010
7692242 Semiconductor device used as high-speed switching device and power device Apr. 6, 2010
7675126 Metal oxide semiconductor field effect transistor and method of fabricating the same Mar. 9, 2010
7646071 Asymmetric channel doping for improved memory operation for floating body cell (FBC) memory Jan. 12, 2010
7632745 Hybrid high-k gate dielectric film Dec. 15, 2009
7564055 Transistor including a deposited channel region having a doped portion Jul. 21, 2009
7061059 Semiconductor device Jun. 13, 2006
7061058 Forming a retrograde well in a transistor to enhance performance of the transistor Jun. 13, 2006
6946338 Method for manufacturing semiconductor device Sep. 20, 2005
6847065 Radiation-hardened transistor fabricated by modified CMOS process Jan. 25, 2005
6818951 Arrangement in a power mosfet Nov. 16, 2004
6746935 MOS transistor in an integrated circuit and active area forming method Jun. 8, 2004
6737715 Field-effect transistor and corresponding manufacturing method May. 18, 2004
6724053 PMOSFET device with localized nitrogen sidewall implantation Apr. 20, 2004
6709961 Method for fabricating semiconductor device Mar. 23, 2004
6674130 High performance PD SOI tunneling-biased MOSFET Jan. 6, 2004
6670683 Composite transistor having a slew-rate control Dec. 30, 2003
6667513 Semiconductor device with compensated threshold voltage and method for making same Dec. 23, 2003
6653687 Insulated gate semiconductor device Nov. 25, 2003
6617219 Semiconductor device and method for lowering miller capacitance by modifying source/drain extensions for high speed microprocessors Sep. 9, 2003
6597044 Semiconductor device having a charge removal facility for minority carriers Jul. 22, 2003
6573561 Vertical MOSFET with asymmetrically graded channel doping Jun. 3, 2003
6548866 Field effect transistor with reduced narrow channel effect Apr. 15, 2003
6518105 High performance PD SOI tunneling-biased MOSFET Feb. 11, 2003
6512272 Increased gate to body coupling and application to dram and dynamic circuits Jan. 28, 2003
6498376 Semiconductor device and manufacturing method thereof Dec. 24, 2002
6472274 MOSFET with self-aligned channel edge implant and method Oct. 29, 2002
6432783 Method for doping a semiconductor device through a mask Aug. 13, 2002
6414354 Semiconductor device having a semiconductor layer with a channel region having a continuously increasing impurity concentration profile Jul. 2, 2002
6410393 Semiconductor device with asymmetric channel dopant profile Jun. 25, 2002
6387763 Field-effect transistor and corresponding manufacturing method May. 14, 2002
6369433 High voltage transistor with low body effect and low leakage Apr. 9, 2002
6359298 Capacitively coupled DTMOS on SOI for multiple devices Mar. 19, 2002
6306709 Semiconductor device and manufacturing method thereof Oct. 23, 2001
6287921 Method of performing threshold voltage adjustment for MOS transistors Sep. 11, 2001
6268629 Field effect transistor with reduced narrow channel effect Jul. 31, 2001
6261886 Increased gate to body coupling and application to DRAM and dynamic circuits Jul. 17, 2001

1 2










 
 
  Recently Added Patents
Estrogen receptor ligands
Optical coherence tomography with multiple sample arms
Restarting event and alert analysis after a shutdown in a distributed processing system
Key management policies for cryptographic keys
Method of controlling an indentation depth of an electrode into a metal substrate during welding
System and method for burst separation and extended interleaving length
Eyeglasses
  Randomly Featured Patents
Fluorescence based laser alignment and testing of complex beam delivery systems and lenses
Method and apparatus for updating a database using table staging and queued relocation and deletion
Homogeneous catalytic hydrodechlorination of chlorocarbons
Biodegradable polyketal polymers and methods for their formation and use
Method of using and composition for a foaming oral cleaner
Rhododendron plant `Scented Springtime`
Process for producing flip chip circuit board assembly exhibiting enhanced reliability
Ultraviolet hardening type ink compositions with a temperature-sensitive color change property
Wallboard having improved drying rate due to plural contacting fiber networks
Low emission combustion system for a gas turbine engine