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

Icon_funbox Did You Know...

...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.

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.

 

Vu, David


Primary examiner statistics: 1742 patents; average approval time: 1740 days
Assistant examiner statistics: 568 patents; average approval time: 568 days

Patents as Assistant Examiner


1                      
NumberTitleIssue Date
7440986Method for estimating storage requirements for a multi-dimensional clustering data configuration
A storage requirements estimating system estimates the storage required for a proposed multidimensional clustering data by modeling wasted space. The amount of wasted space is modeled by calculating the cardinality of the unique value of the clustering key for the p...
10/21/2008
7087493Memory with 6T small aspect ratio cells having metal1 elements physically connected to metal0 elements
A method of forming a memory circuit comprising six transistor memory cells. The memory cells comprise first and second inverters. The inverters comprise respective first and second drive transistors and first and second pull-up transistors. The method also forms a ...
08/08/2006
7071073Process for manufacturing low-cost and high-quality SOI substrates
For manufacturing an SOI substrate, the following steps are carried out: providing a wafer of semiconductor material; forming, inside the wafer, a plurality of passages forming a labyrinthine cavity and laterally delimiting a plurality of pillars of semiconductor ma...
07/04/2006
7067428Method for cleaning polysilicon
A method for cleaning polysilicon comprises steps of cleaning solid or granular polysilicon with an aqueous solution of dissolved ozone, and of cleaning with hydrofluoric acid the polysilicon receiving the above cleaning based on an aqueous solution of dissolved ozo...
06/27/2006
7026681Flash memory device and fabrication process thereof, method of forming a dielectric film
A fabrication process of a flash memory device includes microwave excitation of high-density plasma in a mixed gas of Kr and an oxidizing gas or a nitriding gas. The resultant atomic state oxygen O* or hydrogen nitride radicals NH* are used for nitridation or oxidat...
04/11/2006
7005350Method for fabricating programmable memory array structures incorporating series-connected transistor strings
A three-dimensional flash memory array incorporates thin film transistors having a charge storage dielectric arranged in series-connected NAND strings to achieve a 4F2 memory cell layout. The memory array may be programmed and erased using only tunneling ...
02/28/2006
7001855Flash memory device and fabrication process thereof, method of forming a dielectric film
A fabrication process of a flash memory device includes microwave excitation of high-density plasma in a mixed gas of Kr and an oxidizing gas or a nitriding gas. The resultant atomic state oxygen O* or hydrogen nitride radicals NH* are used for nitridation or oxidat...
02/21/2006
6998355Flash memory device and a fabrication process thereof, method of forming a dielectric film
A fabrication process of a flash memory device includes microwave excitation of high-density plasma in a mixed gas of Kr and an oxidizing gas or a nitriding gas. The resultant atomic state oxygen O* or hydrogen nitride radicals NH* are used for nitridation or oxidat...
02/14/2006
6962881Method for fabricating semiconductor integrated circuit device
A method for fabricating a semiconductor integrated circuit device of the invention comprises feeding oxidation species containing a low concentration of water, which is generated from hydrogen and oxygen by the catalytic action, to the main surface of or in the vic...
11/08/2005
6960539Substrate for electronic devices, manufacturing method therefor, and electronic device
There is provided a substrate for electronic devices, in which treatment for forming a reconstructed surface or a hydrogen-terminated surface on a substrate is not necessary, and a buffer layer formed on the substrate can be epitaxially grown in the (100) orientatio...
11/01/2005
6955940Method of forming chalcogenide comprising devices
A method of forming a non-volatile resistance variable device includes forming a first conductive electrode material on a substrate. A metal doped chalcogenide comprising material is formed over the first conductive electrode material. Such comprises the metal and A...
10/18/2005
6939733Group III nitride compound semiconductor device and method of producing the same
A first group III nitride compound layer, which is formed on a substrate by a method not using metal organic compounds as raw materials, is heated in an atmosphere of a mixture gas containing a hydrogen or nitrogen gas and an ammonia gas, so that the crystallinity o...
09/06/2005
6924212Method for forming a semiconductor
A preparing method of a semiconductor, particularly a preparing method of a polycrystal semiconductor film which has a good electrical property is disclosed. In order to obtain a non-crystalline silicon film containing a lot of combination of hydrogen and silicon, a...
08/02/2005
6916733Method for fabricating contact pad of semiconductor device
The method forming a contact pad of a semiconductor device, including forming a plurality of conductive layer patterns displaced on a silicon substrate with adjoining to each other; forming an insulating layer on a top of the conductive layer patterns; depositing a ...
07/12/2005
6908804Bipolar transistor, semiconductor device and method of manufacturing same
The bipolar transistor comprises a collector region (1) of a semiconductor material having a first doping type, a base region (2) of a semiconductor material having a second doping type, and an emitter region (3) having the first doping type. A ...
06/21/2005
6908818Contactless channel write/erase flash memory cell and its fabrication method
A contactless channel write/erase flash memory cell structure and its fabricating method for increasing the level of integration is disclosed. The present invention utilizes a buried diffusion method to form an N+-doped region that acts as a drain of the ...
06/21/2005
6905934Semiconductor device and a method of manufacturing the same
The invention provides a bipolar transistor with improved performance. An insulation film comprising a silicon oxide film is formed by means of oxidation treatment on the side surface of an emitter aperture, and then an epitaxial layer comprised of SiGe is grown sel...
06/14/2005
6905965Reactive preclean prior to metallization for sub-quarter micron application
The present invention generally provides a precleaning process prior to metallization for submicron features on substrates. The method includes cleaning the submicron features with radicals from a plasma of a reactive gas such as oxygen, a mixture of CF4/...
06/14/2005
6893906Electro-optical device and driving method for the same
A display and a driving method for the same capable of constructing clear visual images is described. In the display, a plurality of conductive pads are opposed to a back electrode with a light influencing medium such as a liquid crystal layer. Control signals are s...
05/17/2005
6884644Low temperature formation of backside ohmic contacts for vertical devices
The invention comprises a method for forming a metal-semiconductor ohmic contact (18) for use in a semiconductor device (10) having a plurality of epitaxial layers (14a-c) wherein the ohmic contact (18) is preferably formed after d...
04/26/2005
6872970Photoresponsive devices
A method of preparing an efficient photoresponsive device includes the steps of providing a first electrode on a substrate, providing a layer of an organic material including a blend of at least two semiconductive polymers having different electrode affinities and/o...
03/29/2005
6872613Method for integrating metals having different work functions to form CMOS gates having a high-k gate dielectric and related structure
According to one exemplary embodiment, a method for integrating first and second metal layers on a substrate to form a dual metal NMOS gate and PMOS gate comprises depositing a dielectric layer over an NMOS region and a PMOS region of the substrate. The method furth...
03/29/2005
6873039Methods of making microelectronic packages including electrically and/or thermally conductive element
A method of manufacturing a plurality of microelectronic packages including electrically and/or thermally conductive elements. The method includes providing a support structure having a plurality of protrusions and depressions extending outwardly from the support. A...
03/29/2005
6861375Method of fabricating semiconductor device
A silicon oxynitride film is formed on a substrate. Then, a heat treatment is performed, while keeping a surface of the silicon oxynitride film in contact with a gas containing nitrogen, such as an NO gas, to introduce at least nitrogen into the silicon oxynitride f...
03/01/2005
6858499Method for fabrication of MOSFET with buried gate
An insulation is formed on a substrate of a material having a first conductivity type. A gate material is formed on the insulation. A portion of the gate material is removed thereby creating forming mesa type gate structures from remaining positions of the gate mate...
02/22/2005
6855616Methods for manufacturing semiconductor devices
A method of producing a semiconductor device, wherein after a trench is formed on a field region of a semiconductor substrate, an adsorption reaction of TEOS and a decomposition/recomposition reaction of TEOS using as a catalyst oxygen atoms decomposed from O3 ...
02/15/2005
6855582FinFET gate formation using reverse trim and oxide polish
A method of forming a gate electrode for a fin field effect transistor (FinFET) is provided. The method includes forming a fin on a substrate and forming an oxide layer over the fin. The method further includes forming a trench in the oxide layer, the trench crossin...
02/15/2005
6852593Haze-free BST films
Described herein is a method for producing a haze-free (Ba, Sr)TiO3 (BST) film, and devices incorporating the same. In one embodiment, the BST film is made haze-free by depositing the film with a substantially uniform desired crystal orientation, for exam...
02/08/2005
6852555Method in the fabrication of organic thin-film semiconducting devices
In a method in the fabrication of an organic thin-film semiconducting device comprising an electrode arrangement with electrodes contacting a semiconducting organic material, an anode in the electrode arrangement is made as a two-layer structure, where the first lay...
02/08/2005
6849475Thin film resonator and method for manufacturing the same
A thin film resonator having enhanced performance and a manufacturing method thereof are disclosed. The thin film resonator includes a supporting means, a first electrode, a dielectric layer and a second electrode. The supporting means has several posts and a suppor...
02/01/2005
6849471Barrier layers for microelectromechanical systems
A method for processing microelectromechanical devices is disclosed herein. The method prevents the diffusion and interaction between sacrificial layers and structure layers of the microelectromechanical devices by providing selected barrier layers between consecuti...
02/01/2005
68495641R1D R-RAM array with floating p-well
A low-capacitance one-resistor/one-diode (1R1D) R-RAM array with a floating p-well is provided. The fabrication method comprises: forming an integrated circuit (IC) substrate; forming an n-doped buried layer (buried n layer) of silicon overlying the substrate; formi...
02/01/2005
6849539Semiconductor device and method of fabricating the same
A method for simply forming a miniature contact hole in a self-aligned manner with a wiring layer. A gate insulating film, a gate electrode, and a protective insulating layer are formed on the surface of a silicon substrate, and a blanket insulating film is deposite...
02/01/2005
6846753Flash memory device and a fabrication process thereof, method of forming a dielectric film
A fabrication process of a flash memory device includes microwave excitation of high-density plasma in a mixed gas of Kr and an oxidizing gas or a nitriding gas. The resultant atomic state oxygen O* or hydrogen nitride radicals NH* are used for nitridation or oxidat...
01/25/2005
6841446Fabrication method for a flash memory device
In a fabrication method of a flash memory device, a first oxide layer is formed on the substrate in the memory cell region and in the peripheral circuit region. A first conductive layer is formed and defined to form a plurality of floating gates in the memory cell r...
01/11/2005
6838394Flash memory device and a fabrication process thereof, method of forming a dielectric film
A fabrication process of a flash memory device includes microwave excitation of high-density plasma in a mixed gas of Kr and an oxidizing gas or a nitriding gas. The resultant atomic state oxygen O* or hydrogen nitride radicals NH* are used for nitridation or oxidat...
01/04/2005
6838733Semiconductor device and fabrication method with etch stop film below active layer
A semiconductor device includes a semiconductor layer formed on part of an insulating layer. The semiconductor layer includes a diffusion region and a channel region. The insulating layer is etched so that the semiconductor layer is separated from the insulating lay...
01/04/2005
6835587Single crystal, tunneling and capacitive, three-axes sensor using eutectic bonding and a method of making same
A first axis MEM tunneling/capacitive sensor and method of making same. Cantilever beam structures for at least two orthogonally arranged sensors and associated mating structures are defined on a first substrate or wafer, the at least two orthogonally arrange sensor...
12/28/2004
6835602Coils integrated in IC-package
Method for providing at least one inductance associated with a chip attached to a support, in which said inductances are provided by means of at least a first bondwire having first and second ends. In which method said first end of said first bondwire is bonded to a...
12/28/2004
6833576Methods for forming and integrated circuit structures containing ruthenium and tungsten containing layers
Capacitors having increased capacitance include an enhanced-surface-area (rough-surfaced) electrically conductive layer or other layers that are compatible with the high-dielectric constant materials. In one approach, an enhanced-surface-area electrically conductive...
12/21/2004
1                      
 
Sign InRegister
Username  
Password   
forgot password?