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Class 257/E21.634 - With particular manufacturing method of source or drain, e.g., specific S or D implants or silicided S or D structures or raised S or D structures (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E21.632. This subclass
No. of patents: 410
Last issue date: 10/07/2008


1                      
NumberTitleIssue Date
7432146Semiconductor device and manufacturing method thereof
To make it possible to obtain a sharp impurity profile without presenting a disadvantage such as an increase in parasitic resistance or the like using a laser annealing method to thereby meet sufficiently the requirements for making a semiconductor element finer and...
10/07/2008
7432136Transistors with controllable threshold voltages, and various methods of making and operating same
In one illustrative embodiment, the method comprises providing an SOI substrate comprised of an active layer, a buried insulation layer and a bulk substrate, the active layer being doped with a first type of dopant material, the bulk substrate having an inner well f...
10/07/2008
7432167Method of fabricating a strained silicon channel metal oxide semiconductor transistor
The present invention provides a method of fabricating strained silicon channel MOS transistor, comprising providing a substrate, forming at least a gate structure on the substrate, forming a mask layer on the gate structure, performing an etching process to form tw...
10/07/2008
7416931Methods for fabricating a stress enhanced MOS circuit
Methods are provided for fabricating a stress enhanced MOS circuit. One method comprises the steps of depositing a stressed material overlying a semiconductor substrate and patterning the stressed material to form a stressed dummy gate electrode overlying a channel ...
08/26/2008
7413946Formation of standard voltage threshold and low voltage threshold MOSFET devices
Wells are formed in a substrate where standard Vt and low Vt devices of both a first and second type are to be fabricated. Wells defining the locations of first type standard Vt devices are masked, and a first voltage threshold implant adjustment is performed within...
08/19/2008
7414277Memory cell having combination raised source and drain and method of fabricating same
A memory device and a method of fabrication are provided. The memory device includes a semiconductor substrate and a charge trapping dielectric stack disposed over the semiconductor substrate. A gate electrode is disposed over the charge trapping dielectric stack, w...
08/19/2008
7410876Methodology to reduce SOI floating-body effect
A method for making a semiconductor device, comprising (a) providing a structure comprising a gate electrode (207) disposed on a substrate (203); (b) creating first (213) and second (214) pre-amorphization implant regions in the substrate...
08/12/2008
7410875Semiconductor structure and fabrication thereof
A method for fabricating a semiconductor structure is described. A substrate is provided, having thereon a gate structure and a spacer on the sidewall of the gate structure and having therein an S/D extension region beside the gate structure. An opening is formed in...
08/12/2008
7402484Methods for forming a field effect transistor
Methods for forming a field effect transistor are disclosed. An illustrated method comprises: forming a gate electrode on a substrate; and forming a nitride layer on at least a part of the gate electrode and the substrate. ...
07/22/2008
7402479CMOS image sensor and fabricating method thereof
A fabricating method of a CMOS image sensor includes the steps of: forming a transfer gate on a semiconductor substrate where a device isolation layer is formed; forming a first n-type ion implantation region for a photodiode beneath a surface of the semiconductor s...
07/22/2008
7390711MOS transistor and manufacturing method thereof
A MOS transistor including a gate insulation layer and a gate electrode layer on a channel region of a semiconductor substrate. A gate spacer layer is formed on a sidewall of the electrode layer and the insulation layer. The transistor includes a deep extended sourc...
06/24/2008
7381623Pre-epitaxial disposable spacer integration scheme with very low temperature selective epitaxy for enhanced device performance
The embodiments of the invention provide a method, etc. for a pre-epitaxial disposable spacer integration scheme with very low temperature selective epitaxy for enhanced device performance. More specifically, one method begins by forming a first gate and a second ga...
06/03/2008
7365010Semiconductor device having carbon-containing metal silicide layer and method of fabricating the same
Methods of fabricating semiconductor devices having a carbon-containing metal silicide layer and semiconductor devices fabricated by the methods are provided. A representative method includes the steps of preparing a semiconductor substrate and forming a gate electr...
04/29/2008
7348248CMOS transistor with high drive current and low sheet resistance
A semiconductor structure and a method for forming the same are provided. The semiconductor structure includes a gate dielectric over a substrate, a gate electrode over the gate dielectric, a slim gate spacer along a side of the gate electrode, and a source/drain re...
03/25/2008
7348233Methods for fabricating a CMOS device including silicide contacts
Methods are provided for fabricating a CMOS device having a silicon substrate including a first N-type region and a second P-type region. The method includes the steps of forming a first gate electrode overlying the first N-type region and a second gate electrode ov...
03/25/2008
7344984Technique for enhancing stress transfer into channel regions of NMOS and PMOS transistors
A method and a semiconductor device are provided in which respective contact layers having a specific intrinsic stress may be directly formed on respective metal silicide regions without undue metal silicide degradation during an etch process for removing an unwante...
03/18/2008
7329570Method for manufacturing a semiconductor device
An exemplary method of manufacturing a semiconductor device according to an embodiment of the present invention includes forming a P-well and an N-well for high voltage (HV) devices and a first well in a low voltage/medium voltage (LV/MV) region for a logic device, ...
02/12/2008
7326622Method of manufacturing semiconductor MOS transistor device
A method of manufacturing a metal-oxide-semiconductor (MOS) transistor device is disclosed. A semiconductor substrate having a main surface is prepared. A gate dielectric layer is formed on the main surface. A gate electrode is patterned on the gate dielectric layer...
02/05/2008
7319061Method for fabricating electronic device
In a method for fabricating an electronic device including a transistor with a drain extension structure, a correspondence between a size of a gate electrode of the transistor and ion implantation conditions or heat treatment conditions for forming the drain extensi...
01/15/2008
7314789Structure and method to generate local mechanical gate stress for MOSFET channel mobility modification
A semiconductor structure and method that is capable of generating a local mechanical gate stress for channel mobility modification are provided. The semiconductor structure includes at least one NFET and at least one PFET on a surface of a semiconductor substrate. ...
01/01/2008
7300832Semiconductor manufacturing method using two-stage annealing
A method of semiconductor device manufacture provided includes forming a gate insulating layer upon a single crystal semiconductor substrate, forming a gate electrode made from a polycrystal conductive film upon the gate insulating layer, implanting impurity in the ...
11/27/2007
7282416Method for fabricating electronic device
In a method for fabricating an electronic device including a transistor with a drain extension structure, a correspondence between a size of a gate electrode of the transistor and ion implantation conditions or heat treatment conditions for forming the drain extensi...
10/16/2007
7282402Method of making a dual strained channel semiconductor device
According to the embodiments to the present disclosure, the process of making a dual strained channel semiconductor device includes integrating strained Si and compressed SiGe with trench isolation for achieving a simultaneous NMOS and PMOS performance enhancement. ...
10/16/2007
7279406Tailoring channel strain profile by recessed material composition control
The present invention facilitates semiconductor fabrication by providing methods of fabrication that tailor applied strain profiles to channel regions of transistor devices. A strain profile is selected for the channel regions (104). Recessed regions are form...
10/09/2007
7259056Method for manufacturing semiconductor device
In a method for manufacturing a semiconductor device, gate insulation films and gate electrodes are first formed on a substrate. An impurity is implanted into each gate electrode. Next, a first heat treatment is performed to the substrate for diffusing the impurity ...
08/21/2007
7259054Method of manufacturing a semiconductor device that includes a process for forming a high breakdown voltage field effect transistor
With the objective of suppressing or preventing a kink effect in the operation of a semiconductor device having a high breakdown voltage field effect transistor, n+ type semiconductor regions, each having a conduction type opposite to p+ type s...
08/21/2007
7253060Gate-all-around type of semiconductor device and method of fabricating the same
A gate-all-around (GAA) transistor device has a pair of pillars that include the source/drain regions, a channel region bridging the source/drain regions, and a gate electrode and gate oxide which surround the channel region. The pillars are formed by providing a mo...
08/07/2007
7253039Method of manufacturing CMOS transistor by using SOI substrate
In a method of manufacturing a CMOS transistor, an n-channel MOS transistor is formed on an upper MOS transistor in a first region of an SOI substrate having first and second regions. Next, an insulating layer of the SOI substrate is exposed by removing an upper sil...
08/07/2007
7247535Source/drain extensions having highly activated and extremely abrupt junctions
A method for making a transistor within a semiconductor wafer. The method may include etching a recess at source/drain extension locations 90 and depositing SiGe within the recess to form SiGe source/drain extensions 90. Dopants are implanted into the ...
07/24/2007
7226833Semiconductor device structure and method therefor
Two different transistors types are made on different crystal orientations in which both are formed on SOI. A substrate has an underlying semiconductor layer of one of the crystal orientations and an overlying layer of the other crystal orientation. The underlying l...
06/05/2007
7195983Programming, erasing, and reading structure for an NVM cell
A non-volatile memory (NVM) has a silicon germanium (SiGe) drain and a silicon carbon (SiC) source. The source being SiC provides for a stress on the channel that improves N channel mobility. The SiC also has a larger bandgap than the substrate, which is silicon. Th...
03/27/2007
7189624Fabrication method for a semiconductor device including a semiconductor substrate formed with a shallow impurity region
A method of manufacturing a semiconductor device includes forming isolation regions, a gate insulator film and gate electrodes, implanting in the silicon substrate with impurity ions, annealing to recover crystallinity of the implanted silicon substrate without diff...
03/13/2007
7118977System and method for improved dopant profiles in CMOS transistors
According to one embodiment of the present invention, a method of forming a semiconductor device includes forming a gate stack on an outer surface of a semiconductor body. First and second sidewall bodies are formed on opposing sides of the gate stack. A first reces...
10/10/2006
7119369FET having epitaxial silicon growth
A field-effect transistor has a channel region in a bulk semiconductor substrate, a first source/drain region on a first side of the channel region, a second source/drain region on a second side of the channel region, and an extension of epitaxial monocrystalline ma...
10/10/2006
7052965Methods of fabricating MOS field effect transistors with pocket regions using implant blocking patterns
MOSFETs with pocket regions are fabricated. A gate electrode layer is formed on a semiconductor substrate; and lightly doped drain regions are formed in the semiconductor substrate adjacent the gate electrode layer. A blocking pattern is formed on the semiconductor ...
05/30/2006
7050345Memory device and method with improved power and noise characteristics
A memory device and method with reduced power consumption and improved noise performance. An illustrative embodiment provides a random access memory with an array of plural memory bit cells, having bit-latches coupled between bit-true pass-gates and bit-compliment p...
05/23/2006
6703663CMOS device using additional implant regions to enhance ESD performance and device manufactured thereby
A method of forming a semiconductor memory device formed on a semiconductor substrate with an N-well and a P-well comprises the following steps. Form over a substrate the combination of a gate oxide layer and a gate layer patterned into gate stacks with s...
03/09/2004
6696327Method for making a semiconductor device having a high-k gate dielectric
A method for making a semiconductor device is described. That method comprises forming a high-k gate dielectric layer on a substrate, then forming a capping layer on the high-k gate dielectric layer. After oxidizing the capping layer to form a capping die...
02/24/2004
6690060Field effect transistor and method of fabricating the same by controlling distribution condition of impurity region with implantation of additional ion
A first object of the present invention is to provide an insulated gate field effect transistor which realizes reductions in the junction depth and the resistance of source and drain junction regions beneath a gate electrode. Another object is to provide ...
02/10/2004
6690050Semiconductor device and its manufacture
In a logic area, impurities are doped into the gate electrode and the source/drain diffusion regions of a MIS transistor. Thereafter in a memory cell area, word lines are patterned, source/drain regions are formed, and contact holes are formed. Side wall ...
02/10/2004
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