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...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!

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Class 438/935 - GAS FLOW CONTROL


Subclass of Class 438 - Semiconductor device manufacturing: process
Definition: Art collection involving gas flow manipulation in conjunction
No. of patents: 172
Last issue date: 09/23/2008


1          
NumberTitleIssue Date
7426939Rotatable valve
A rotatable valve allows the flow of a fluid to be switched between at least two different paths by rotating an element within the valve. Advantageously, both the housing of the valve and the rotatable element within the housing are formed of glass, making the valve...
09/23/2008
7354874Variable exhaust static pressure management apparatus
The present invention is directed to a semiconductor apparatus that enables in situ wet processing of semiconductor wafers, and prevents creation of a static pressure within the in situ wet processing system. The apparatus comprises multiple exhaust receptacles. Eac...
04/08/2008
7253032Method of flattening a crystallized semiconductor film surface by using a plate
First laser light is irradiated (energy density of 400 to 500 mj/cm2) to a semiconductor film 102 in an atmosphere containing oxygen in order to obtain a semiconductor film 102b having large depressions and projections on the surface....
08/07/2007
7200498System for remediating cross contamination in semiconductor manufacturing processes
The present invention defines a system (100) for detecting copper contamination within a semiconductor manufacturing process. According to the present invention, a semiconductor wafer (102) is transferred (108) from a semiconductor manufacturing...
04/03/2007
7135418Optimal operation of conformal silica deposition reactors
Methods of forming conformal films that reduce the amount of metal-containing precursor and/or silicon containing precursor materials required are described. The methods increase the amount of film grown following each dose of metal-containing and/or silicon-contain...
11/14/2006
7086410Substrate processing apparatus and substrate processing method
A common solvent vapor supply source 41 and a common processing gas supply source 42 supply ozone gas and steam to a plurality of processing vessels 30A, 30B. Pressures in the processing vessels are regulated by adjusting the openings of ...
08/08/2006
7026183Long-wavelength semiconductor light emitting device and its manufacturing method
For manufacturing a long-wavelength semiconductor light emitting device having excellent characteristics and long lifetime, a highly reactive gas is supplied together with a source material of As while the supply of a source material of a group III element is interr...
04/11/2006
7018728Boron phosphide-based semiconductor device and production method thereof
A boron phosphide-based semiconductor device includes a single crystal substrate having formed thereon a boron-phosphide (BP)-based semiconductor layer containing boron and phosphorus as constituent elements, where phosphorus (P) occupying the vacant lattice point (...
03/28/2006
7008880Method 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...
03/07/2006
6949450Method for integrated in-situ cleaning and subsequent atomic layer deposition within a single processing chamber
A system and sequential method for integrated, in-situ modification of a substrate and subsequent atomic layer deposition of a thin film onto the substrate in an evacuated chamber includes introducing at least one feed gas into the chamber; generating a plasma from ...
09/27/2005
6921707Low temperature metal oxide coating formation
A process for forming metal oxides, including mixed metal oxides, in a dilute vapor phase at a temperature below approximately 350 degrees Fahrenheit. The resulting novel oxides can be formed as dense films or coatings with very high strain-to-crack values, or as na...
07/26/2005
6905963Fabrication of B-doped silicon film by LPCVD method using BCI3 and SiH4 gases
A semiconductor device fabricating method for forming a boron doped silicon film includes the step of forming the boron doped silicon film on a substrate at an inner temperature of the reaction furnace ranging from about 460 to 600° C. or at an average velocity of ...
06/14/2005
6867152Properties of a silica thin film produced by a rapid vapor deposition (RVD) process
A rapid vapor deposition (RVD) method conformally deposits a dielectric material on small features of a substrate surface. The resulting dielectric film has a low dielectric constant, low wet etch rate, low film shrinkage and low stress hysteresis, appropriate for v...
03/15/2005
6858508SOI annealing method
A method for annealing an SOI in which two annealing steps are followed by a cooling step. During the second annealing step, the annealing temperature is from 993° C. to the melting point of silicon. During the cooling step, the cooling rate is not less than 0.12°...
02/22/2005
6844260Insitu post atomic layer deposition destruction of active species
Systems and methods for insitu post atomic layer deposition (ALD) destruction of active species are provided. ALD processes deposit multiple atomic layers on a substrate. Pre-cursor gases typically enter a reactor and react with the substrate resulting in a monolaye...
01/18/2005
6809015Method for heat treatment of silicon wafers and silicon wafer
According to the present invention, there are provided a method for heat treatment of silicon wafers wherein a silicon wafer is subjected to a heat treatment at a temperature of from 1000° C. to the melting point of silicon in an inert gas atmosphere, and temperatu...
10/26/2004
6806211Device and method for processing substrate
A substrate processing apparatus consists of: a processing container; a first processing gas supply unit and a second processing gas supply unit, countering each other, prepared on both sides of a substrate-to-be-processed to the processing container; and a first sl...
10/19/2004
6787377Determining method of thermal processing condition
The invention is a method of determining a set temperature profile for a method of controlling respective substrate temperatures of a plurality of groups in accordance with respective corresponding set temperature profiles, in a method of heat processing a plurality...
09/07/2004
6720274Method for fabricating a semiconductor device and a substrate processing apparatus
A semiconductor device fabricating method includes the steps of loading one or more substrates into a boat disposed in a waiting room positioned next to a reaction furnace; vacuum-evacuating the waiting room to a vacuum state at a base pressure; loading the boat int...
04/13/2004
6716287Processing chamber with flow-restricting ring
A processing chamber with a flow-restricting ring is generally provided. In one embodiment, a processing chamber includes a chamber body, a lid assembly, a substrate support and a flow-restricting ring. The chamber body has sidewalls and a bottom. The lid assembly i...
04/06/2004
6706585Chemical vapor deposition process for fabricating layered superlattice materials
A first reactant gas is flowed into a CVD reaction chamber containing a heated integrated circuit substrate. The first reactant gas contains a first precursor compound or a plurality of first precursor compounds, and the first precursor compound or compounds decompo...
03/16/2004
6689677CMOS circuit of GaAs/Ge on Si substrate
A GaAs/Ge on Si CMOS integrated circuit is formed to improve transistor switching (propagation) delay by taking advantage of the high electron mobility for GaAs in the N-channel device and the high hole mobility for Ge in the P-channel device. A semi-insu...
02/10/2004
6686281Method for fabricating a semiconductor device and a substrate processing apparatus
A substrate processing apparatus for forming a boron doped silicon-germanium film on one or more substrates in a reaction furnace of a low pressure CVD apparatus uses a mixture gas of GeH4 and SiH4 as a reaction gas, and BCl3
02/03/2004
6645879Method of forming a silicon oxide layer of a semiconductor device and method of forming a wiring having the same
Disclosed are methods for forming a silicon oxide layer of a semiconductor device capable of insulating between fine conductive patterns without causing a process failure, and for forming a wiring having the silicon oxide layer. After forming conductive p...
11/11/2003
6596650Method 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...
07/22/2003
6596641Chemical vapor deposition methods
A chemical vapor deposition method includes providing a semiconductor substrate within a chemical vapor deposition chamber. At least one liquid deposition precursor is vaporized with a vaporizer to form a flowing vaporized precursor stream. The flowing va...
07/22/2003
6573184Apparatus and method for depositing thin film on wafer using atomic layer deposition
An atomic layer deposition (ALD) thin film deposition apparatus including a reactor in which a wafer is mounted and a thin film is deposited on the wafer, a first reaction gas supply portion for supplying a first reaction gas to the reactor, a second reac...
06/03/2003
6569780Method 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...
05/27/2003
6553332Method for evaluating process chambers used for semiconductor manufacturing
A process chamber (12) is used for plasma etching of a wafer (21) disposed therein. A gas mixture supplied to the chamber eventually passes through openings (28) in a baffle plate (27). After the chamber has been cleaned, several test wafers are etched un...
04/22/2003
6518202Method 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...
02/11/2003
6422264Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus
A fluid supply apparatus with a plurality of flow lines branching out from one pressure regulator with the flow lines arranged in parallel and constructed so that opening or closing one flow passage will have no transient effect on the steady flow of the ...
07/23/2002
6337224Method of producing silicon thin-film photoelectric transducer and plasma CVD apparatus used for the method
In a method of manufacturing a silicon-based thin film photoelectric converter, a crystalline photoelectric conversion layer included in the photoelectric converter is deposited by plasma CVD under the following conditions: the temperature of the underlyi...
01/08/2002
6333272Gas distribution apparatus for semiconductor processing
A gas distribution system for processing a semiconductor substrate includes a plurality of gas supplies, a mixing manifold wherein gas from the plurality of gas supplies is mixed together, a plurality of gas supply lines delivering the mixed gas to differ...
12/25/2001
6303403Method for preparing gallium nitride phosphor
A method for preparing a gallium nitride phosphor which is capable of emitting light at luminance increased to a degree sufficient to permit the phosphor to be practically used. A dopant compound containing elements reacted with H2 and gasified...
10/16/2001
6296709Temperature ramp for vertical diffusion furnace
An improved vertical diffusion furnace for semiconductor manufacturing processes is provided. Temperature and flow rate management enables more uniform temperature distribution across the wafer during ramp up and ramp down, thereby preventing wafer warp....
10/02/2001
6287989Method of treating a semiconductor wafer in a chamber using hydrogen peroxide and silicon containing gas or vapor
A semiconductor wafer is treated in a chamber by introducing into the chamber a silicon-containing gas or vapor and hydrogen peroxide in vapor form. The silicon-containing gas or vapor is reacted with the hydrogen peroxide to form a short chain, inorganic...
09/11/2001
6239041Method 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...
05/29/2001
6162716Amorphous silicon gate with mismatched grain-boundary microstructure
A method of forming an amorphous-Si (଱-Si) gate with two or more ଱-Si layers with mismatched grains. The first embodiment involves forming two or more amorphous silicon layers over the gate dielectric. The amorphous silicon layers are formed i...
12/19/2000
6140215Method and apparatus for low temperature deposition of CVD and PECVD films
Method and apparatus are disclosed for low temperature deposition of CVD and PECVD films utilizing a gas-dispersing showerhead position within one inch of a rotating substrate. The showerhead is positioned a suitable distance below a gas-dispensing appara...
10/31/2000
6127271Process for dry etching and vacuum treatment reactor
A process for dry etching a surface within a vacuum treatment reactor includes evacuating the reactor, generating a glow discharge within said reactor, feeding a reactive etching gas into said reactor and reacting said etching gas within said reactor, rem...
10/03/2000
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