U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5571247

Self Containing Enclosure for Protection from Killer Bees

A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 257/E21.4 - Field-effect transistor (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E21.394. This
No. of patents: 15
Last issue date: 10/07/2008


NumberTitleIssue Date
7432150Method of manufacturing a magnetoelectronic device
A method of manufacturing a magnetoelectronic device includes providing an electrically conducting material and an electrically insulating material adjacent to at least a portion of the electrically conducting material, and implanting a magnetic material into the el...
10/07/2008
7405464Array substrate, method of manufacturing the same and method of crystallizing silicon
An array substrate includes a base substrate, a switching element, and a pixel electrode. The switching element is on the base substrate. The switching element includes a poly silicon pattern having at least one block. Grains are formed in each of the at least one b...
07/29/2008
7399664Formation of spacers for FinFETs (Field Effect Transistors)
A structure and a method for forming the same. The structure includes (a) a substrate, (b) a semiconductor fin region on top of the substrate, (c) a gate dielectric region on side walls of the semiconductor fin region, and (d) a gate electrode region on top and on s...
07/15/2008
7394116Semiconductor device including a multi-channel fin field effect transistor including protruding active portions and method of fabricating the same
In a semiconductor device, and a method of fabricating the same, the semiconductor device includes a semiconductor substrate having a cell region and a peripheral circuit region, a portion of the semiconductor substrate in the cell region and in the peripheral circu...
07/01/2008
7378744Plasma treatment at film layer to reduce sheet resistance and to improve via contact resistance
A method of manufacturing a semiconductor device contact including forming an insulating layer over a substrate and forming an agglutinating layer over the insulating layer. The agglutinating layer is then exposed to a plasma treatment. A barrier layer is formed ove...
05/27/2008
7374980Field effect transistor with thin gate electrode and method of fabricating same
A field effect transistor and a method of fabricating the field effect transistor. The field effect transistor includes: a silicon body, a perimeter of the silicon body abutting a dielectric isolation; a source and a drain formed in the body and on opposite sides of...
05/20/2008
7368776Semiconductor device comprising a highly-reliable, constant capacitance capacitor
A semiconductor device, having a memory cell region and a peripheral circuit region, includes an insulating film, having an upper surface, formed on a major surface of a semiconductor substrate to extend from the memory cell region to the peripheral circuit region. ...
05/06/2008
7341902Finfet/trigate stress-memorization method
Disclosed are embodiments a technique for inducing strain into the polysilicon gate of a non-planar FET (e.g., a finFET or trigate FET) in order to impart a similar strain on the FET channel region, while simultaneously protecting the source/drain regions of the sem...
03/11/2008
7309634Non-volatile semiconductor memory devices using prominences and trenches
A semiconductor substrate is patterned to form a depression and prominence. A floating gate is formed so as to cover at least both sidewalls of the prominence of the depression and prominence, and is then etched to form a trench for a device isolation self-aligned w...
12/18/2007
7205227Methods of forming CMOS constructions
The invention includes methods for forming electrical connections associated with semiconductor constructions. A semiconductor substrate is provided which has a conductive line thereover, and which has at least two diffusion regions adjacent the conductive line. A p...
04/17/2007
7179701Transistor with high dielectric constant gate and method for forming the same
A semiconductor device provides a gate structure that includes a conductive portion and a high-k dielectric material formed beneath and along sides of the conductive material. An additional gate dielectric material such as a gate oxide may be used in addition to the...
02/20/2007
7164162Method for forming potassium/sodium ion sensing device applying extended-gate field effect transistor
A potassium/sodium ion sensing device applying an extended-gate field effect transistor, which using an extended-gate ion sensitive field effect transistor (EGFET) as base to fabricate a potassium/sodium ion sensing device, using the extended gate of the extended-ga...
01/16/2007
7135401Methods of forming electrical connections for semiconductor constructions
The invention includes methods for forming electrical connections associated with semiconductor constructions. A semiconductor substrate is provided which has a conductive line thereover, and which has at least two diffusion regions adjacent the conductive line. A p...
11/14/2006
7118971Method for fabricating trench power device
Embodiments of the invention relate to a fabrication method of an electronic device, more particularly to a fabrication method of a power device in which an oxide layer at the bottom of the trench is provided to reduce Miller capacitance and further reduce RC delay....
10/10/2006
7094625Field effect transistor and method of producing the same
A field effect transistor having a high field effect mobility is provided which can be obtained by a simple method. The field effect transistor includes an organic semiconductor layer composed of a crystallized film of a naphthoporphyrin compound represented by form...
08/22/2006
 
Sign InRegister
Username  
Password   
forgot password?