Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/213
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device
Description: Subject matter comprising a field effect transistor, in which the density of electrical charge (electrons or holes) in a semiconductor region is controlled by a voltage applied to an adjacent region or electrode which in operation is prevented from conducting direct electrical current to or from the semiconductor region by an insulator or barrier region.










Sub-classes under this class:

Class Number Class Name Patents
257/214 Charge injection device 114
257/215 Charge transfer device 237
257/288 Having insulated electrode (e.g., mosfet, mos diode) 1,826
257/256 Junction field effect transistor (unipolar transistor) 228
257/252 Responsive to non-optical, non-electrical signal 186
257/255 With current flow along specified crystal axis (e.g., axis of maximum carrier mobility) 141


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
6891232 Semiconductor device having an injection substance to knock against oxygen and manufacturing method of the same May. 10, 2005
6881991 Dry-etching method and apparatus, photomasks and method for the preparation thereof, and semiconductor circuits and method for the fabrication thereof Apr. 19, 2005
6847064 Semiconductor device having a thin film transistor Jan. 25, 2005
6845407 Semiconductor memory device having externally controllable data input and output mode Jan. 18, 2005
6844577 Thin film transistor Jan. 18, 2005
6838365 Methods of forming electronic components, and a conductive line Jan. 4, 2005
6830981 Vertical nanotube transistor and process for fabricating the same Dec. 14, 2004
6828689 Semiconductor latches and SRAM devices Dec. 7, 2004
6828605 Field-effect-controlled semiconductor component and method of fabricating a doping layer in a vertically configured semiconductor component Dec. 7, 2004
6815297 Ultra-thin fully depleted SOI device and method of fabrication Nov. 9, 2004
6815738 Multiple gate MOSFET structure with strained Si Fin body Nov. 9, 2004
6812535 Semiconductor device with a disposable gate and method of manufacturing the same Nov. 2, 2004
6809354 Semiconductor device Oct. 26, 2004
6806805 Low loss high Q inductor Oct. 19, 2004
6798000 Field effect transistor Sep. 28, 2004
6784500 High voltage integrated circuit amplifier Aug. 31, 2004
6768180 Superjunction LDMOST using an insulator substrate for power integrated circuits Jul. 27, 2004
6753556 Silicate gate dielectric Jun. 22, 2004
6750512 MOS semiconductor device having inactive zone with alternating thickness silicon oxide layer located between a semiconductor region and a conductive layer Jun. 15, 2004
6744082 Static pass transistor logic with transistors with multiple vertical gates Jun. 1, 2004
6740932 Semiconductor device for improving sustaining voltage May. 25, 2004
6740910 Field-effect transistor, circuit configuration and method of fabricating a field-effect transistor May. 25, 2004
6734488 Semiconductor device and manufacturing method thereof May. 11, 2004
6730947 Semiconductor integrated circuit apparatus having an periphery impurity layer May. 4, 2004
6724024 Field effect transistor pull-up/load element Apr. 20, 2004
6724655 Memory cell using negative differential resistance field effect transistors Apr. 20, 2004
6724021 Semiconductor devices and their peripheral termination Apr. 20, 2004
6707061 Field emission type electron source Mar. 16, 2004
6700168 Layout structure and method of a column path of a semiconductor memory device Mar. 2, 2004
6690067 ESD protection circuit sustaining high ESD stress Feb. 10, 2004
6683333 Fabrication of electronic circuit elements using unpatterned semiconductor layers Jan. 27, 2004
6677630 Semiconductor device having ferroelectric film and manufacturing method thereof Jan. 13, 2004
6664585 Semiconductor memory device having multilayered storage node contact plug and method for fabricating the same Dec. 16, 2003
6657267 Semiconductor device and fabrication technique using a high-K liner for spacer etch stop Dec. 2, 2003
6642557 Isolated junction structure for a MOSFET Nov. 4, 2003
6642577 Semiconductor device including power MOSFET and peripheral device and method for manufacturing the same Nov. 4, 2003
6627927 Dual-bit flash memory cells for forming high-density memory arrays Sep. 30, 2003
6624484 IGFET and tuning circuit Sep. 23, 2003
6614064 Transistor having a gate stick comprised of a metal, and a method of making same Sep. 2, 2003
6614063 Solid electrolytic capacitor Sep. 2, 2003
6611021 Semiconductor device and the method of manufacturing the same Aug. 26, 2003
6608323 n-type thiophene semiconductors Aug. 19, 2003
6581899 Valve for use in microfluidic structures Jun. 24, 2003
6577021 Static-type semiconductor memory device Jun. 10, 2003
6570196 Lipid vesicles or lipid bilayers on chips May. 27, 2003
6566704 Vertical nano-size transistor using carbon nanotubes and manufacturing method thereof May. 20, 2003
6562521 Semiconductor feature having support islands May. 13, 2003
6552388 Hafnium nitride gate dielectric Apr. 22, 2003
6541804 Junction-isolated lateral MOSFET for high-/low-side switches Apr. 1, 2003
6538338 Static RAM semiconductor memory device having reduced memory Mar. 25, 2003

1 2 3 4 5 6 7 8 9 10 11 12










 
 
  Recently Added Patents
Method for producing lactamates by way of thin film evaporation
Sparse network almanac
Electronic device
Silicone hydrogel, lens for eye and contact lens
Integrated transmit/receive switch
Heap/stack guard pages using a wakeup unit
Methods and devices for rapid and specific detection of multiple proteins
  Randomly Featured Patents
Processes for the preparation of 1,2,4-oxadiazole benzoic acids
Fluorescent display apparatus
File identification and retrieval in directories for categorized files
Method for achieving uniform etch depth using ion implantation and a timed etch
Lens shutter use and non-use switching device of an interchangeable lens having a lens shutter for use with a focal plane single lens reflex camera
Food processor
Tracked vehicle
Thermal transfer bag
Die to die connection method and assemblies and packages including dice so connected
Expandable pole socket with twist and lock insert