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Class 438/770 - Oxidation


Subclass of Class 438 - Semiconductor device manufacturing: process
Definition: Processes wherein the external agent supplies oxygen which
No. of patents: 751
Last issue date: 04/17/2012


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NumberTitleIssue Date
6890867Transistor fabrication methods comprising selective wet-oxidation
A transistor gate is formed which comprises semiconductive material and conductive metal. Source/drain regions are formed proximate the transistor gate. In one implementation, the transistor gate and source/drain regions are exposed to a gas mixture comprising H
05/10/2005
6887774Conductor layer nitridation
Methods and apparatus for forming word line stacks comprise forming a thin nitride layer coupled between a bottom silicon layer and a conductor layer. In a further embodiment, a diffusion barrier layer is coupled between the thin nitride layer and the bottom silicon...
05/03/2005
6887725Micro electron gun of quantum size effect type and flat display using such electron guns as well as methods of their manufacture
A micro electron gun that is capable of extracting electrons from a semiconductor utilizing a quantum size effect and that can be mounted individually for each of pixels is disclosed, as well as a picture display apparatus using such electron guns which is high in q...
05/03/2005
6885466Method for measuring thickness of oxide film
In a process of manufacturing a semiconductor device, after a gate oxide film is formed, the thickness of the gate oxide film is measured by measuring an exposure period defined from a time at which the oxide film is formed to a time at which the thickness of the ox...
04/26/2005
6881682Method and structure for reducing leakage current in capacitors
A method of forming a capacitor with reduced leakage current on a substrate in a semiconductor device is set forth. A first layer of a conductive material is formed over the substrate, and a second layer of a dielectric is formed over the first layer. The second lay...
04/19/2005
6878415Methods for chemical formation of thin film layers using short-time thermal processes
A method is provided for forming a thin film layer of a substrate. The method includes the steps of forming a thin surface layer containing a dopant material on the substrate, and short-time thermal processing of the doped surface layer with processing parameters se...
04/12/2005
6872618Methods of forming ferroelectric capacitors with metal oxide for inhibiting fatigue
A method of forming a ferroelectric capacitor includes forming a lower electrode on a substrate. The lower electrode is oxidized to form a metal oxide film. A ferroelectric film is formed on the metal oxide film while reduction of the oxygen content of the metal oxi...
03/29/2005
6869891Semiconductor device having groove and method of fabricating the same
A method for forming a plurality of grooves of a semiconductor device having of a plurality of MOS transistors is provided. A plurality of photoresist patterns are formed on a semiconductor substrate. Ions are implanted on a portion of the semiconductor substrate us...
03/22/2005
6869892Method of oxidizing work pieces and oxidation system
A method of oxidizing work pieces according to the present invention comprises the steps of: containing a plurality of work pieces W in a processing vessel 22 which has a predetermined length and is capable forming a vacuum therein, oxidizing surfaces of the ...
03/22/2005
6869846Forming electronic structures having dual dielectric thicknesses and the structure so formed
A structure including a first device and a second device, wherein the second device has a dielectric thickness greater than the dielectric thickness of the first device, and the method of so forming the structure. ...
03/22/2005
6867150Ozone treatment method and ozone treatment apparatus
The invention concerns an ozone treatment method and an ozone treatment apparatus for performing a treatment such as the formation and reformation of an oxide film, the removal of a resist film by blowing an ozone gas onto a surface of a substrate such as a semicond...
03/15/2005
6867114Methods to form a memory cell with metal-rich metal chalcogenide
The invention relates to the fabrication of a resistance variable material cell or programmable metallization cell. The processes described herein can form a metal-rich metal chalcogenide, such as, for example, silver-rich silver selenide. Advantageously, the proces...
03/15/2005
6864191Hydrogen barrier layer and method for fabricating semiconductor device having the same
The present invention provides a hydrogen barrier layer able to prevent diffusions of hydrogen into a capacitor and a method for fabricating a semiconductor device having the same. The inventive method includes the steps of: depositing a zirconium-titanium oxide lay...
03/08/2005
6864125Process for growing a dielectric layer on a silicon-containing surface using a mixture of N2O and O3
This invention is embodied in an improved process for growing high-quality silicon dioxide layers on silicon by subjecting it to a gaseous mixture of nitrous oxide (N2O) and ozone (O3). The presence of O3 in the oxidizing ambiance gr...
03/08/2005
6855642Method 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...
02/15/2005
6855606Semiconductor nano-rod devices
In a method of manufacturing a semiconductor device, a semiconductor layer is patterned to form a source region, a channel region, and a drain region in the semiconductor layer. The channel region extends between the source region and the drain region. Corners of th...
02/15/2005
6855994Multiple-thickness gate oxide formed by oxygen implantation
A semiconductor device including a gate oxide of multiple thicknesses for multiple transistors where the gate oxide thicknesses are altered through the growth process of implanted oxygen ions into selected regions of a substrate. The implanted oxygen ions accelerate...
02/15/2005
6852645High temperature interface layer growth for high-k gate dielectric
The present invention pertains to methods for forming high quality thin interface oxide layers suitable for use with high-k gate dielectrics in the manufacture of semiconductor devices. An ambient that contains oxygen and a reducing agent is utilized to grow the lay...
02/08/2005
6849545System and method to form a composite film stack utilizing sequential deposition techniques
A system and method to form a stacked barrier layer for copper contacts formed on a substrate. The substrate is serially exposed to first and second reactive gases to form an adhesion layer. Then, the adhesion layer is serially exposed to third and fourth reactive g...
02/01/2005
6849512Thin gate dielectric for a CMOS transistor and method of fabrication thereof
A method of making a thin gate dielectric includes implanting a barrier substance into a region of a silicon substrate. A capacitance-increasing material is implanted into the silicon substrate. An outside layer of the silicon substrate is oxidized to form a first s...
02/01/2005
6846743Method for vapor deposition of a metal compound film
A method for forming a metal compound film includes alternate irradiation of an organometal compound and oxygen or nitrogen radicals to deposit monoatomic layers of the metal compound. The organometal compound includes zirconium, hafnium, lanthanide compounds. The r...
01/25/2005
6841432Semiconductor device and process for fabricating the same
A semiconductor device comprising at least two thin film transistors on a substrate having an insulating surface thereon, provided that the thin film transistors are isolated by oxidizing the outer periphery of the active layer of each of the thin film transistors t...
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
6838397Silicon nitride film, and semiconductor device and method of manufacturing the same
An object of the present invention is to apply an insulating film of cure and high quality that is suitably applicable as gate insulating film and protective film to a technique that the insulation film is formed on the glass substrate under a temperature of strain ...
01/04/2005
6835672Selective oxidation for semiconductor device fabrication
An embodiment of the instant invention is a method of oxidizing a first feature (feature 108 and/or feature 104 of FIG. 1 and feature 314 of FIG. 3) while leaving a second feature substantially unoxidized (features 110 and
12/28/2004
6835625Method for fabricating semiconductor device
The method for fabricating a semiconductor device comprises the step of: forming a gate electrode on a semiconductor substrate with a gate insulation film formed therebetween; the step of implanting a dopant in the semiconductor substrate with the gate electrode as ...
12/28/2004
6833329Methods of forming oxide regions over semiconductor substrates
The invention encompasses a method of forming an oxide region over a semiconductor substrate. A nitrogen-containing layer is formed across at least some of the substrate. After the nitrogen-containing layer is formed, an oxide region is grown from at least some of t...
12/21/2004
6831020Method for fabricating semiconductor device
After a first gate insulating film is formed on each of first to third active regions, the first gate insulating film on the second active region is removed therefrom and a second gate insulating film thinner than the first gate insulating film is formed on the seco...
12/14/2004
6827790Apparatus for stabilizing high pressure oxidation of a semiconductor device
a method and apparatus for preventing N2O from becoming super critical during a high pressure oxidation stage within a high pressure oxidation furnace are disclosed. The method and apparatus utilize a catalyst to catalytically disassociate N2O ...
12/07/2004
6825133Use of fluorine implantation to form a charge balanced nitrided gate dielectric layer
A method of forming a charge balanced, silicon dioxide layer gate insulator layer on a semiconductor substrate, with reduced leakage obtained via nitrogen treatments, has been developed. Prior to thermal growth of a silicon dioxide gate insulator layer, negatively c...
11/30/2004
6825114Selective stress-inducing implant and resulting pattern distortion in amorphous carbon patterning
A method of forming a fuse for use in an integrated circuit using an amorphous carbon mask includes providing a mask material layer comprising amorphous carbon over a conductive layer. The mask material layer is doped with nitrogen, and an anti-reflective coating (A...
11/30/2004
6818567Method for selectively oxidizing a silicon wafer
The whole areas of both surfaces (10a and 10b) of a silicon wafer (10) are covered by silicon nitride films (13, 14) respectively through the intermediary of pad oxide films (11 and 12), and the pad oxide film ...
11/16/2004
6818525Semiconductor device and method of providing regions of low substrate capacitance
A semiconductor structure (1), comprising a isolation region (5) formed on a semiconductor material (10). A pillar (15) is formed in the semiconductor material under the isolation region, where the pillar is capped with a first dielectric...
11/16/2004
6815315Method for electrochemical oxidation
Disclosed is a method for the electrochemical oxidation of a semiconductor layer. In an electrochemical oxidation treatment for the production process of an electron source 10 (field-emission type electron source) as one of electronic devices, a control secti...
11/09/2004
6812158Modular growth of multiple gate oxides
Growth of multiple gate oxides. By implanting different sites of a wafer with different doses of an oxide growth retardant, the entire wafer can grow oxides of different thicknesses even after being exposed to the same oxidation environment. The process is modular i...
11/02/2004
6808984Method for forming a contact opening
A method for forming a contact opening is provided. After forming transistors on a substrate, a stacked resist layer including a resist layer without a silicon element and a resist layer with a silicon element covers the transistors and the substrate. The stacked re...
10/26/2004
6806199Method for manufacturing silicon mirror wafer, silicon mirror wafer, and heat treatment furnace
There are provided a manufacturing process for a mirror finished silicon wafer capable of manufacturing a mirror finished silicon wafer, having an excellent quality in which grown-in crystal defects are annihilated by heat-treating the silicon mirror finished wafer ...
10/19/2004
6800538Semiconductor device fabrication method and semiconductor fabrication control method
The method for fabricating a semiconductor device including a step of forming a gate insulation film on a semiconductor substrate 10, the method further comprises, before the step of forming the gate insulation film, the step of forming an insulation film ...
10/05/2004
6794314Method of forming ultrathin oxide layer
A method is disclosed for forming an ultrathin oxide layer of uniform thickness. The method is particularly advantageous for producing uniformly thin interfacial oxides beneath materials of high dielectric permitivity, or uniformly thin passivation oxides. Hydrofluo...
09/21/2004
6794313Oxidation process to improve polysilicon sidewall roughness
A new step is provided for the creation of polysilicon gate electrode structures. A layer of polysilicon is deposited over the surface of a layer of semiconductor material, the layer of polysilicon is etched using a layer of hardmask material for this purpose. The e...
09/21/2004
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