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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 257/E29.269 - With overlap between lightly doped extension and gate electrode (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E29.266. This subclass
No. of patents: 204
Last issue date: 09/02/2008


1            
NumberTitleIssue Date
7420241Semiconductor memory device and method of manufacturing the same
A semiconductor memory device includes a memory cell which includes a first gate insulation film provided on the semiconductor substrate; a floating gate electrode provided on the first gate insulation film; a second gate insulation film provided on the floating gat...
09/02/2008
7355245Structure for reducing overlap capacitance in field effect transistors
A field effect transistor (FET) device includes a gate conductor formed over a semiconductor substrate, a source region having a source extension that overlaps and extends under the gate conductor, and a drain region having a drain extension that overlaps and extend...
04/08/2008
7227227Reduced leakage semiconductor device
The invention includes a semiconductor construction having a pair of channel regions that have sub-regions doped with indium and surrounded by boron. A pair of transistor constructions are located over the channel regions and are separated by an isolation region. Th...
06/05/2007
7112844Semiconductor device and manufacturing method thereof
The objectives of the present invention are achieving TFTs having a small off current and TFT structures optimal for the driving conditions of a pixel portion and driver circuits, and providing a technique of making the differently structured TFTs without increasing...
09/26/2006
6700176MOSFET anti-fuse structure and method for making same
An anti-fuse device includes a substrate and laterally spaced source and drain regions formed in the substrate. A channel is formed between the source and drain regions. A gate and gate oxide are formed on the channel and lightly doped source and drain ex...
03/02/2004
6680224Methods of forming and operating field effect transistors having gate and sub-gate electrodes
Field effect transistors include a semiconductor substrate having a channel region of first conductivity type therein extending adjacent a surface thereof. Source and drain regions of second conductivity type are also provided at opposite ends of the chan...
01/20/2004
6646462Extraction of drain junction overlap with the gate and the channel length for ultra-small CMOS devices with ultra-thin gate oxides
The present invention generally relates to a method of determining a source/drain junction overlap and a channel length of a small device, such as a MOS transistor. A large reference device having a known channel length is provided, and a source, drain, a...
11/11/2003
6593623Reduced channel length lightly doped drain transistor using a sub-amorphous large tilt angle implant to provide enhanced lateral diffusion
A method of reducing an effective channel length of a lightly doped drain transistor (50), includes the steps of forming a gate electrode (52) and a gate oxide (54) over a semiconductor substrate (56) and implanting a drain region (58) of the substrate (5...
07/15/2003
6514824Semiconductor device with a pair of transistors having dual work function gate electrodes
Techniques are described for fabricating a pair of ଲ-identical transistors, in other words, a pair of transistors whose dimensions and electrical characteristics, other than their respective gate electrode work functions, are substantially similar. ...
02/04/2003
6468843MIS semiconductor device having an LDD structure and a manufacturing method therefor
It is intended to provide a method of forming a gate overlap lightly doped impurity region (GOLD). After a gate insulating film is formed by a material mainly made of silicon oxide and a gate electrode is formed with, for instance, silicon, lightly doped ...
10/22/2002
6461924MOS transistor for high-speed and high-performance operation and manufacturing method thereof
A MOS transistor of the present invention includes a semiconductor substrate of a first conductivity type impurity, a gate insulating layer formed on the semiconductor substrate, gate electrodes formed on the gate insulating layer, and an oxide layer form...
10/08/2002
6407436Semiconductor device with abrupt source/drain extensions with controllable gate electrode overlap
A method for forming source/drain extensions with gate overlap. An oxide layer is formed on a semiconductor substrate and a gate structure on the semiconductor substrate. First, sidewall spacer regions are formed on sides of the gate structure. Second spa...
06/18/2002
6359310Shallow doped junctions with a variable profile gradation of dopants
Disclosed is an electrical device including a process for forming a shallow junction with a variable concentration profile gradation of dopants. The process of the present invention comprises, first providing and masking a surface on an in-process integra...
03/19/2002
6300207Depleted sidewall-poly LDD transistor
The present invention is directed to a metal oxide semiconductor transistor having a fully overlapped lightly doped drain (LDD) structure which offers the advantages of conventional fully overlapped LDD transistors but which significantly reduces the drai...
10/09/2001
6284577MIS semiconductor device having an LDD structure and a manufacturing method therefor
It is intended to provide a method of forming a gate overlap lightly doped impurity region (GOLD). After a gate insulating film is formed by a material mainly made of silicon oxide and a gate electrode is formed with, for instance, silicon, lightly doped ...
09/04/2001
6284613Method for forming a T-gate for better salicidation
A method for a T-gate and salicide process that allows narrow bottom gate widths below 0.25 μm and wide top gate widths to allow silicide gate contacts on the top of the T-gate. A dummy gate composed of an insulating material is formed over the substrate...
09/04/2001
6277699Method for forming a metal-oxide-semiconductor transistor
A method for forming a MOS transistor is provided. A gate oxide layer, a polysilicon layer, a barrier layer and a conductive layer are sequentially formed on a provided substrate. A photolithography and etching process is carried out to remove a portion o...
08/21/2001
6274446Method for fabricating abrupt source/drain extensions with controllable gate electrode overlap
A method for forming source/drain extensions with gate overlap. An oxide layer is formed on a semiconductor substrate and a gate structure on the semiconductor substrate. First, sidewall spacer regions are formed on sides of the gate structure. Second spa...
08/14/2001
6274906MOS transistor for high-speed and high-performance operation and manufacturing method thereof
A MOS transistor of the present invention includes a semiconductor substrate of a first conductivity type impurity, a gate insulating layer formed on the semiconductor substrate, gate electrodes formed on the gate insulating layer, and an oxide layer form...
08/14/2001
6268640Forming steep lateral doping distribution at source/drain junctions
A semiconductor device is fabricated by implanting into a semiconductor substrate non-doping ions at a tilt angle of at least about 10° to laterally extend preamorphization of the substrate portion and then implanting into the substrate dopants for provi...
07/31/2001
6211555Semiconductor device with a pair of transistors having dual work function gate electrodes
Techniques are described for fabricating a pair of ଲ-identical transistors, in other words, a pair of transistors whose dimensions and electrical characteristics, other than their respective gate electrode work functions, are substantially similar. ...
04/03/2001
6207997Thin film transistor for antistatic circuit and method for fabricating the same
A thin film transistor for an antistatic circuit includes: wells formed on a silicon substrate; insulating layers for electrical isolation between electrodes formed within the wells; low density impurity diffused regions respectively interposed between th...
03/27/2001
6180471Method of fabricating high voltage semiconductor device
A method of fabricating a high voltage semiconductor device. A semiconductor substrate doped with a first type dopant and comprising a gate is provided. A cap oxide layer is formed on the gate optionally. A first ion implantation with a light second type ...
01/30/2001
6169315Metal oxide semiconductor field effect transistor (MOSFET) and method for making thereof
A metal oxide semiconductor field effect transistor includes source and drain regions formed between a gate. The gate comprises a first conductive layer and a second conductive layer formed on the first conductive layer, and the second conductive layer ha...
01/02/2001
6124174Spacer structure as transistor gate
A semiconductor process includes forming a spacer support structure on an upper surface of a semiconductor substrate. The semiconductor substrate includes a channel region that is laterally displaced between first and second source/drain regions. A. The s...
09/26/2000
6091118Semiconductor device having reduced overlap capacitance and method of manufacture thereof
A semiconductor device and process for manufacture thereof is disclosed in which a gate electrode with reduced overlap capacitance is formed by forming a gate electrode on a surface of a semiconductor and doping edge portions of the gate electrode with a ...
07/18/2000
6071825Fully overlapped nitride-etch defined device and processing sequence
The present invention relates to methods for fabricating Fully Overlapped Nitride-Etch Defined (Fond) devices. These methods permit the lateral dimension and depth of the lowly-doped source and drain extensions to be independently controlled and well defi...
06/06/2000
6037630Semiconductor device with gate electrode portion and method of manufacturing the same
A first polysilicon film which contains phosphorus as an impurity is formed on a semiconductor substrate. A second polysilicon film which is higher in phosphorus concentration than the first polysilicon film is formed on the first polysilicon film. The se...
03/14/2000
5977591High-voltage-resistant MOS transistor, and corresponding manufacturing process
A MOS transistor capable of withstanding relatively high voltages is of a type integrated on a region included in a substrate of semiconductor material, having conductivity of a first type and comprising a channel region intermediate between a first activ...
11/02/1999
5970353Reduced channel length lightly doped drain transistor using a sub-amorphous large tilt angle implant to provide enhanced lateral diffusion
A method of reducing an effective channel length of a lightly doped drain transistor (50), includes the steps of forming a gate electrode (52) and a gate oxide (54) over a semiconductor substrate (56) and implanting a drain region (58) of the substrate (5...
10/19/1999
5920104Reducing reverse short-channel effect with light dose of P with high dose of as in n-channel LDD
Submicron nLDD CMOS logic devices with improved current drive and reduced reverse short-channel effects having heavily doped As and lightly doped P nLDD region....
07/06/1999
5918134Method of reducing transistor channel length with oxidation inhibiting spacers
A method of fabricating a transistor. A dielectric layer is formed on an upper surface of a semiconductor substrate. A photoresist layer is then deposited on a dielectric layer and patterned with a photolithography exposure device to expose a region of th...
06/29/1999
5912492Integrated circuit structure incorporating a metal oxide semiconductor field effect transistor (MOSFET) having improved hot carrier immunity
A Metal Oxide Semiconductor Field Effect Transistor (MOSFET) exhibiting enhanced immunity to Hot Carrier Effects (HCEs), and a method by which the MOSFET may be formed. To form the MOSFET there is first provided a semiconductor substrate having a gate die...
06/15/1999
5897363Shallow junction formation using multiple implant sources
Disclosed is a process for forming a shallow junction with a variable concentration profile gradation of dopants. The process of the present invention comprises, first providing and masking a surface on an in-process integrated circuit wafer on which the ...
04/27/1999
5891792ESD device protection structure and process with high tilt angle GE implant
A structure and method for fabricating an ESD device for FET transistors by forming a silicon germanium region 40 under a channel region 44 of a field effect transistor (FET). The silicon germanium region 40 comprises the base of a parasitic bipolar 200 t...
04/06/1999
5879995High-voltage transistor and manufacturing method therefor
A fourth impurity region having a smaller junction depth than that of the second impurity region, and having a third impurity concentration which is lower than that of the second impurity region is formed between the first impurity region and second impur...
03/09/1999
5879999Method of manufacturing an insulated gate semiconductor device having a spacer extension
An insulated gate semiconductor device (10) having a gate structure (45) that includes a conductive spacer (32) and an extension region (46) extending from the conductive spacer (32). To form the gate structure (45), a stack having sidewalls (22) is forme...
03/09/1999
5869374Method to form mosfet with an inverse T-shaped air-gap gate structure
A method for fabricating a MOS transistor with an inverse T-shaped air-gap gate structure on a semiconductor substrate is disclosed. The T-shaped air-gap gate structure reduces the parasitic resistance and capacitance; hence device structure operation spe...
02/09/1999
5851861MIS semiconductor device having an LDD structure and a manufacturing method therefor
It is intended to provide a method of forming a gate overlap lightly doped impurity region (GOLD). After a gate insulating film is formed by a material mainly made of silicon oxide and a gate electrode is formed with, for instance, silicon, lightly doped ...
12/22/1998
5837588Method for forming a semiconductor device with an inverse-T gate lightly-doped drain structure
A method for forming an ultra-short channel device with an inverse-T gate lightly-doped drain (ITLDD) structure is disclosed. The method includes forming a silicon layer (14) over a semiconductor substrate (10), and forming a dielectric layer (16) on the ...
11/17/1998
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