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7413992 |
Tungsten silicide etch process with reduced etch rate micro-loading
The embodiments provides an improved tungsten silicide etching process with reduced etch rate micro-loading effect. In one embodiment, a method for etching a layer formed on a substrate is...
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7402257 |
Plasma state monitoring to control etching processes and across-wafer uniformity, and system for performing same
The present invention is generally directed to plasma state monitoring to control etching processes and across-wafer uniformity, and a system for performing same. In one illustrative embodiment,...
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7399711 |
Method for controlling a recess etch process
A method of controlling a recess etch process for a multilayered substrate having a trench therein and a column of material deposited in the trench includes determining a first dimension from a...
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7396481 |
Etching method of organic insulating film
This invention relates to a method for etching an organic insulating film used in the production of semiconductor devices. A sample to be etched on which a low dielectric constant organic...
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7393459 |
Method for automatic determination of substrates states in plasma processing chambers
A method for automatic determination of a state of a substrate in a plasma processing chamber is provided. Substrate reflectance data is collected in a processing chamber prior to processing to be...
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7378003 |
Thin-film magnetic recording head manufacture using selective imaging
A focused particle beam system, according to one embodiment of the invention, precisely shapes a pole-tip assembly formed by a multi-layer device having a first layer with a first structural...
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7377992 |
Method and apparatus for detecting end point
A mask layer and a to-be-processed layer are irradiated with light to measure interference light formed of reflected lights from the mask layer and reflected lights from the to-be-processed layer....
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7361286 |
Method of detecting etching end-point
A method of detecting an etching end-point includes the steps of: forming a mask on a pattern area of an etching object; forming an etching indicator on an etching area of the etching object, which...
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7354524 |
Method and system for processing multi-layer films
A method of processing multi-layer films, the method including: (1) processing a plurality of layers according to selected parameters, (2) determining a plurality of optical characteristics each...
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7335315 |
Method and device for measuring wafer potential or temperature
The present invention attracts a wafer 6 , placed on a susceptor 5 , toward the susceptor 5 by the electrostatic attractive power of an electrostatic chuck electrode 7 , varies the output...
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7329361 |
Method and apparatus for fabricating or altering microstructures using local chemical alterations
A method and apparatus for fabricating or altering a microstructure use means for heating to facilitate a local chemical reaction that forms or alters the submicrostructure.
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7306746 |
Critical dimension control in a semiconductor fabrication process
A method for controlling a critical dimension in an etched structure comprises the steps of: forming a hard mask above a substrate, measuring a critical dimension of the hard mask, and using the...
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7297560 |
Method and apparatus for detecting endpoint
The present invention presents a method for detecting an endpoint of an etch process for etching a substrate in plasma processing system ( 1 ) comprising: etching the substrate; measuring at least...
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7297287 |
Method and apparatus for endpoint detection using partial least squares
An apparatus and method for detection of a feature etch completion within an etching reactor. The method includes determining a correlation matrix by recording first measured data regarding a first...
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7279114 |
Method for stabilizing etching performance
The invention is directed to an etching method for patterning a first material layer over a second material layer to expose a portion of the second material layer. The etching method comprises...
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7241397 |
Honeycomb optical window deposition shield and method for a plasma processing system
An optical window deposition shield including a backing plate having a through hole, and a honeycomb structure having a plurality of adjacent cells configured to allow optical viewing through the...
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7232526 |
Method and apparatus for controlling material removal from semiconductor substrate using induced current endpointing
A method and apparatus for controlling the removal of material from a semiconductor substrate in an integrated circuit fabrication process is disclosed. The method and apparatus utilize a light...
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7229566 |
Position detecting method and apparatus
A two-dimensional image of an alignment mark 30 is acquired by an alignment scope 15 at step S 61 , and the two-dimensional image acquired at step S 61 is converted to a light-intensity signal...
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7217371 |
Optical control interface between controller and process chamber
The present invention relates to interfacing new sensors to incumbent controls. In particular, it relates to optically interfacing a new sensor, such as a spectrometer with plasma generator, to an...
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7204934 |
Method for planarization etch with in-situ monitoring by interferometry prior to recess etch
A method for processing recess etch operations in substrates is provided including forming a hard mask over the substrate and etching a trench in the substrate using the hard mask, and forming a...
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7199053 |
Method for detecting end-point of chemical mechanical polishing process
Disclosed is a method for detecting an end-point of a CMP process of a semiconductor device. More specifically, when all polishing processes are performed using a nitride film as a polishing...
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7189332 |
Apparatus and method for detecting an endpoint in a vapor phase etch
Processes for the removal of a layer or region from a workpiece material by contact with a process gas in the manufacture of a microstructure are enhanced by the ability to accurately determine the...
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7187523 |
Method of marking sintered body and method for manufacturing magnetic head wafer
A method of marking a sintered body includes the step of preparing the sintered body by sintering a mixture of first and second types of powder particles. The first type of powder particles is made...
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7182878 |
Methods for etch loading planar lightwave circuits
This relates to optical devices such as planar light-wave components/circuits which are designed to have a high waveguide pattern density effecting a higher etch selectivity and overall improved...
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7175875 |
Method and apparatus for plasma processing
The apparatus for processing an in-process substrate by generating a plasma have a processing chamber with an observation window, in which the in-process substrate is disposed; plasma generating...
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7169440 |
Method for removing photoresist and etch residues
A method is provided for plasma ashing to remove photoresist remnants and etch residues that are formed during preceding plasma etching of dielectric layers. The ashing method uses a two-step...
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7135123 |
Method and system for integrated circuit backside navigation
The backside navigation method of the present invention includes milling a fiducial opening through the substrate of an integrated circuit. The milling process is stopped when the fiducial opening...
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7118926 |
Method of optimizing seasoning recipe for etch process
A method for optimizing a seasoning recipe for a dry etch process. The method includes setting a critical value of reproducibility, a main etch recipe, and a preliminary seasoning recipe. A test...
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7115211 |
Endpoint detection using laser interferometry
A method and system for determining an endpoint in a (near) real-time environment using statistical process control. By utilizing such control, an endpoint of a semiconductor process (e.g., an...
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7112288 |
Methods for inspection sample preparation
Methods are provided for delineating different layers and interfaces for inspection of a semiconductor wafer, wherein a sectioned portion of a wafer is subjected to a reactive ion etch process...
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7105080 |
Vacuum treatment system and method of manufacturing same
Method for manufacturing a workpiece by a vacuum treatment process includes providing a vacuum treatment system with first second parts in a vacuum chamber. Either a sensor or an adjusting element...
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7094613 |
Method for controlling accuracy and repeatability of an etch process
Embodiments of the invention generally relate to a method for etching in a processing platform (e.g. a cluster tool) wherein robust pre-etch and post-etch data may be obtained in-situ. The method...
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7084051 |
Manufacturing method for semiconductor substrate and manufacturing method for semiconductor device
A purpose of the invention is to provide a manufacturing method for a semiconductor substrate in which a high quality strained silicon channel can easily be formed without sacrificing the...
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7077971 |
Methods for detecting the endpoint of a photoresist stripping process
Methods for detecting the endpoint of a photoresist stripping process provide O for reaction with the photoresist for a wafer to be stripped of photoresist. NO is also supplied for reaction with O...
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7074342 |
Method of manufacturing optical crystal element of laser
A method of manufacturing an optical crystal element of a laser device includes measuring an initial thickness of a crystal substrate formed of YAG or YVO 4 ; introducing a mixture of a fluorine...
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7049633 |
Method of measuring meso-scale structures on wafers
A method of measuring at least one parameter associated with a portion of a sample having formed thereon one or more structures with at least two zones each having an associated zone reflectance...
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7033518 |
Method and system for processing multi-layer films
A method of etching multi-layer films, the method including: (1) etching a plurality of layers according to etching parameters, (2) determining a plurality of optical characteristics each...
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7018553 |
Optical monitoring and control system and method for plasma reactors
A method of adjusting plasma processing of a substrate in a plasma reactor having an electrode assembly. The method includes the steps of positioning the substrate in the plasma reactor, creating a...
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7014787 |
Etching method of organic insulating film
This invention relates to a method for etching an organic insulating film used in the production of semiconductor devices. A sample to be etched on which a low dielectric constant organic...
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7005305 |
Signal layer for generating characteristic optical plasma emissions
A technique is provided that may be used to improve optical endpoint detection in a plasma etch process. A semiconductor structure is manufactured that includes at least one electrical device. The...
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7001530 |
Method for detecting the end point by using matrix
A method for detecting the end point of plasma etching process by using matrix comprises a step of detecting a beginning matrix including emitting intensities and/or other plasma parameters of at...
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7001529 |
Pre-endpoint techniques in photoresist etching
A method for controlling a photoresist etch step in a plasma processing chamber is disclosed. The photoresist etch step being configured to etch back a photoresist layer deposited on a substrate...
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6982175 |
End point detection in time division multiplexed etch processes
An improved method for determining endpoint of a time division multiplexed process by monitoring an identified region of a spectral emission of the process at a characteristic process frequency....
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6982043 |
Scatterometry with grating to observe resist removal rate during etch
Disclosed are a system and method for monitoring a patterned photoresist clad-wafer structure undergoing an etch process. The system includes a semiconductor wafer structure comprising a substrate,...
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6967109 |
Process monitoring methods in a plasma processing apparatus, monitoring units, and a sample processing method using the monitoring units
A method and apparatus for measuring a potential difference for plasma processing with a plasma processing apparatus that processes a sample by introducing a gas into a vacuum chamber and generates...
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6939811 |
Apparatus and method for controlling etch depth
An apparatus and method for etching a feature in a wafer with improved depth control and reproducibility is described. The feature is etched at a first etching rate and then at a second etching...
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6939433 |
Sample processing apparatus and sample processing system
It is an object of the invention to provide a vacuum processing device and a vacuum processing system capable of improving the accuracy for the function of estimating the result of processing of...
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6934032 |
Copper oxide monitoring by scatterometry/ellipsometry during nitride or BLOK removal in damascene process
A system and methodology for monitoring and/or controlling a semiconductor fabrication process is disclosed. Scatterometry and/or ellipsometry based techniques can be employed to facilitate...
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6911157 |
Plasma processing method and apparatus using dynamic sensing of a plasma environment
At least one control parameter such as power supplied to a plasma, process pressure, gas flow rate, and radio frequency bias power to a wafer is changed for an extremely short time as compared with...
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6908567 |
Contaminant removal by laser-accelerated fluid
A method for removing a particle from a substrate includes forming a layer of a fluid on a surface of an optical element and positioning the optical element in proximity to a location of the...
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