Patents Assigned to Applied Materials
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Patent number: 7456116Abstract: A method to form a silicon oxide layer, where the method includes the step of providing a continuous flow of a silicon-containing precursor to a chamber housing a substrate, where the silicon-containing precursor is selected from TMOS, TEOS, OMTS, OMCTS, and TOMCATS. The method may also include the steps of providing a flow of an oxidizing precursor to the chamber, and causing a reaction between the silicon-containing precursor and the oxidizing precursor to form a silicon oxide layer. The method may further include varying over time a ratio of the silicon-containing precursor:oxidizing precursor flowed into the chamber to alter a rate of deposition of the silicon oxide on the substrate.Type: GrantFiled: December 20, 2004Date of Patent: November 25, 2008Assignee: Applied Materials, Inc.Inventors: Nitin K. Ingle, Shan Wong, Xinyun Xia, Vikash Banthia, Won B. Bang, Yen-Kun V. Wang, Zheng Yuan
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Publication number: 20080286444Abstract: Embodiments of the present invention are directed to adjusting the spacing between the substrate support and the faceplate of the gas distribution member to achieve improved uniformity of the layer formed on the substrate. One embodiment of the present invention is directed to a method of adjusting a spacing between a gas distribution member and a substrate support disposed generally opposite from the gas distribution member, wherein the substrate support is configured to support a substrate on which to form a layer with improved thickness uniformity. The method comprises forming a layer on the substrate disposed on the substrate support; measuring a thickness of the layer on the substrate; and calculating differences in thickness between a reference location on the substrate and a plurality of remaining locations on the substrate.Type: ApplicationFiled: July 30, 2008Publication date: November 20, 2008Applicant: Applied Materials, Inc.Inventors: Kirby Floyd, Adrian Q. Montgomery, Jennifer Gonzales, Won Bang, Rong Pan, Amna Mohammed, Yen-Kung Victor Wang
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Patent number: 7452264Abstract: A method for cleaning a polishing pad is disclosed. In CMP and ECMP, a polishing pad must be conditioned to obtain good and predictable polishing results. During conditioning, debris is generated that must be removed to prevent processing defects. An effective method to clean a polishing pad is disclosed herein. In one embodiment, a washing fluid is directed at the pad to clean debris from the while a second fluid is utilized to remove the washing fluid. In another embodiment, the washing fluid is provided by a high pressure water jet while the second fluid is provided by an air knife.Type: GrantFiled: June 27, 2006Date of Patent: November 18, 2008Assignee: Applied Materials, Inc.Inventors: Rashid A. Mavliev, Hung Chih Chen
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Patent number: 7454052Abstract: A method is provided for the detection of defects on a semiconductor wafer by checking individual pixels on the wafer, collecting the signature of each pixel, defined by the way in which it responds to the light of a scanning beam, and determining whether the signature is that of a faultless pixel or of a pixel that is defective or suspect to be defective. An apparatus is also provided for the determination of such defects, which comprises a stage for supporting a wafer, a laser source generating a beam that is directed onto the wafer, collecting optics and photoelectric sensors for collecting the laser light scattered by the wafer in a number of directions and generating corresponding analog signals, an A/D converter deriving from the signals digital components defining pixel signatures, and selection systems for identifying the signatures of suspect pixels and verifying whether the suspect pixels are indeed defective.Type: GrantFiled: January 26, 2005Date of Patent: November 18, 2008Assignee: Applied Materials, Inc.Inventors: Zeev Smilansky, Sagie Tsadka, Zvi Lapidot, Rivi Sherman
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Patent number: 7452824Abstract: The invention involves a method of characterizing a plasma reactor chamber through the behavior of many selected plasma parameters as functions of many selected chamber parameters. The plasma parameters may be selected from a group including ion density, wafer voltage, etch rate and wafer current or other plasma parameters. The chamber parameters are selected from a group including source power, bias power, chamber pressure, magnetic coil current in different magnetic coils, gas flow rates in different gas injection zones and species composition of the gas in different gas injection zones.Type: GrantFiled: December 11, 2006Date of Patent: November 18, 2008Assignee: Applied Materials, Inc.Inventors: Daniel J. Hoffman, Ezra Robert Gold
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Patent number: 7451774Abstract: An apparatus for wet processing individual wafers comprising; a means for holding the wafer; a means for providing acoustic energy to a non-device side of the wafer; and a means for flowing a fluid onto a device side of the wafer.Type: GrantFiled: June 25, 2001Date of Patent: November 18, 2008Assignee: Applied Materials, Inc.Inventors: Steven Verhaverbeke, J. Kelly Truman, Alexander Ko, Rick R. Endo
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Patent number: 7454312Abstract: A computer-implemented method, system and computer program device are provided for monitoring production of semiconductor products to detect potential defect excursions. Equipment based data is collected reflecting equipment performance for a plurality of semiconductor manufacturing tools used for processing a plurality of semiconductor products. Also, product level data is collected reflecting product quality for the plurality of semiconductor products processed on the plurality of manufacturing tools. At least a portion of the product level data and at least a portion of the equipment based data are then correlated. At least one report is generated of the correlation of data.Type: GrantFiled: March 15, 2006Date of Patent: November 18, 2008Assignee: Applied Materials, Inc.Inventors: Susan Weiher, Stefan Soens
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Patent number: 7452475Abstract: A method for treating a surface of a quartz substrate includes preparing a substrate to provide a working surface having an initial roughness; and then ultrasonically acid-etching the working surface to increase the roughness of the working surface by at least about 10%. In one embodiment, the initial surface roughness is greater than about 10 Ra, and in another embodiment the initial surface roughness is greater than about 200 Ra. In a still further embodiment, the initial surface area, if less than about 200 Ra, is increased to greater than about 200 Ra. In other embodiments of the present invention, the working surface roughness is increased by at least about 25% or at least about 50%. Simultaneous with the increase in surface area (as measured by the roughness), the surface defects are reduced to reduce particulate contamination from the substrate.Type: GrantFiled: February 17, 2005Date of Patent: November 18, 2008Assignee: Applied Materials, Inc.Inventors: Samantha S. H. Tan, Ning Chen
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Patent number: 7452827Abstract: A method of processing a semiconductor workpiece. The method includes flowing a process gas to a semiconductor workpiece through a first plurality of orifices positioned in a gas distribution faceplate. The method also includes removing gas from over the semiconductor workpiece through a chamber exhaust port and a second plurality of orifices positioned in the gas distribution faceplate.Type: GrantFiled: June 13, 2006Date of Patent: November 18, 2008Assignee: Applied Materials, Inc.Inventors: Steven Gianoulakis, Karthik Janakiraman
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Patent number: 7449127Abstract: The present invention is a novel cleaning method and a solution for use in a single wafer cleaning process. According to the present invention the cleaning solution comprises ammonium hydroxide (NH4OH), hydrogen peroxide (H2O2), water (H2O) and a chelating agent. In an embodiment of the present invention the cleaning solution also contains a surfactant. And still yet another embodiment of the present invention the cleaning solution also comprises a dissolved gas such as H2. In a particular embodiment of the present invention, this solution is used by spraying or dispensing it on a spinning wafer.Type: GrantFiled: June 3, 2005Date of Patent: November 11, 2008Assignee: Applied Materials, Inc.Inventors: Steven Verhaverbeke, J. Kelly Truman
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Patent number: 7448276Abstract: A diffusion bonded space-conserving integrated fluid delivery system which is particularly useful for gas distribution in semiconductor processing equipment. The disclosure includes an integrated fluid flow network architecture, which may include, in addition to a layered substrate containing fluid flow channels, various fluid handling and monitoring components. A capacitive dual electrode pressure sensor which is integrated into a multilayered substrate is described. The pressure sensor may be used as a gage relative to atmospheric pressure if desired for a particular application.Type: GrantFiled: August 23, 2006Date of Patent: November 11, 2008Assignee: Applied Materials, Inc.Inventors: Mark Crockett, John W. Lane, Micahel DeChellis, Chris Melcer, Erica Porras, Aneesh Khullar, Balarabe N. Mohammed
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Patent number: 7450233Abstract: A measuring device includes several sequentially disposed coating chambers for measuring optical properties of coated substrates. These coating chambers are separated from one another by partitioning walls, whose free ends are located closely above the substrate. The substrate is preferably a continuous film. By measuring the reflection, the transmission, etc. of the substrate between the individual coating chambers, it becomes possible to carry out measurements within only partially completed layer systems. This yields advantages for the technical operation control of the coating process.Type: GrantFiled: November 24, 2004Date of Patent: November 11, 2008Assignee: Applied Materials GmbH & Co. KGInventors: Hans-Georg Lotz, Peter Sauer, Stefan Hein, Peter Skuk
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Publication number: 20080272280Abstract: A cascaded image intensifier device is presented. In one embodiment the device comprises: at least two sections in cascade, each of a first section and a last section out of the at least two sections including a photocathode unit adapted to convert photons to electrons and a screen unit adapted to convert electrons to photons; wherein the first section includes a reducing element adapted to: (i) reduce ion-caused degradation of a photocathode unit of the first section, and (ii) reduce a number of photons exiting from the first section from a first value to a second value; and wherein the last section outputs a number of photons that equals or exceeds the first value. Also disclosed are methods and systems using the disclosed cascaded image intensifier device.Type: ApplicationFiled: September 7, 2006Publication date: November 6, 2008Applicant: Applied Materials Israel Ltd.Inventors: Iddo Pinkas, Tal Kuzniz, Avishay Guetta, Helmut Banzhoff, Ron Naftali
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Patent number: 7446366Abstract: A method for void free filling with in-situ doped amorphous silicon of a deep trench structure is provided in which a first fill is carried out in at a temperature, pressure and dopant to silane ratio such that film deposition occurs from the bottom of the trench upwards. By way of this first fill, step coverages well in excess 100% are achieved. In the second fill step, deposition is carried out under changed conditions so as to reduce the impact of dopant on deposition rate, whereby trench fill is completed at a deposition rate which exceeds the deposition rate of the first fill. In an application of this method to the formation of deep trench capacitor structures, the intermediate steps further including the capping of the void free filled trench with a thick layer of amorphous silicon, planarization of the wafer thereafter, followed by a thermal anneal to re-distribute the dopant within the filled trench. Thereafter, additional steps can be performed to complete the formation of the capacitor structure.Type: GrantFiled: May 30, 2006Date of Patent: November 4, 2008Assignee: Applied Materials, Inc.Inventors: Ajit Paranjpe, Somnath Nag
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Patent number: 7446474Abstract: A photocathode is capable of generating an electron beam from incident light. The photocathode comprises a light permeable support having a light receiving surface and an opposing surface. A Group III nitride layer is provided on the opposing surface of the support. The Group III nitride layer comprises at least one Group III element and nitrogen. An alkali halide layer is provided on the Group III nitride layer. The alkali halide can be a cesium halide, such as cesium bromide or iodide.Type: GrantFiled: March 25, 2005Date of Patent: November 4, 2008Assignee: Applied Materials, Inc.Inventors: Juan Ramon Maldonado, Francisco J. Machuca, Steven T. Coyle
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Patent number: 7446041Abstract: A method and apparatus for electrochemically processing metal and barrier materials is provided. In one embodiment, a method for electrochemically processing a substrate includes the steps of establishing an electrically-conductive path through an electrolyte between an exposed layer of barrier material on the substrate and an electrode, pressing the substrate against a processing pad assembly, providing motion between the substrate and pad assembly in contact therewith and electrochemically removing a portion of the exposed layer during a first electrochemical processing step in a barrier processing station.Type: GrantFiled: June 21, 2006Date of Patent: November 4, 2008Assignee: Applied Materials, Inc.Inventors: Feng Q. Liu, Liang-Yuh Chen, Stan D. Tsai, Yongqi Hu
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Patent number: 7442900Abstract: Embodiments of the present invention generally provide an apparatus for providing a uniform thermal profile to a plurality of large area substrates during thermal processing. In one embodiment, an apparatus for thermal processing large area substrates includes a chamber having a plurality of processing zones disposed therein that are coupled to a lift mechanism. The lift mechanism is adapted to vertically position the plurality of processing zones within the chamber. Each processing zone further includes an upper heated plate, a lower heated plate adapted to support a first substrate thereon and an unheated plate adapted to support a second substrate thereon, wherein the unheated plate is disposed between the upper and lower heated plates.Type: GrantFiled: April 3, 2006Date of Patent: October 28, 2008Assignee: Applied Materials, Inc.Inventors: Makoto Inagawa, Akihiro Hosokawa
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Patent number: 7444198Abstract: A method of determining a physical property of a substrate includes recording a first spectrum obtained from a substrate, the first spectrum being obtained during a polishing process that alters a physical property of the substrate. The method includes identifying, in a database, at least one of several previously recorded spectra that is similar to the recorded first spectrum. Each of the spectra in the database has a physical property value associated therewith. The method includes generating a signal indicating that a first value of the physical property is associated with the first spectrum, the first value being determined using the physical property value associated with the identified previously recorded spectrum in the database. A system for determining a physical property of a substrate includes a polishing machine, an endpoint determining module, and a database.Type: GrantFiled: December 15, 2006Date of Patent: October 28, 2008Assignee: Applied Materials, Inc.Inventors: Abraham Ravid, Boguslaw A. Swedek, Jeffrey Drue David, Jun Qian, Ingemar Carlsson, Dominic J. Benvegnu, Harry Q. Lee, Lakshmanan Karuppiah
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Publication number: 20080257864Abstract: A variety of techniques may be employed alone or in combination to reduce the incidence of defects arising in dielectric stack structures formed by chemical vapor deposition (CVD). Incidence of a first defect type attributable to reaction between an unreacted species of a prior CVD step and reactants of a subsequent CVD step, is reduced by exposing a freshly-deposited dielectric layer to a plasma before any additional layers are deposited. Incidence of a second defect type attributable to the presence of incompletely vaporized CVD liquid precursor material, is reduced by exposing the freshly-deposited dielectric layer to a plasma, and/or by continuing the flow of carrier gas through an injection valve for a period beyond the conclusion of the CVD step.Type: ApplicationFiled: April 10, 2008Publication date: October 23, 2008Applicant: Applied Materials, Inc.Inventors: Christopher Dennis Bencher, Lee Luo
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Publication number: 20080261409Abstract: A processing device for producing a layer system including at least one layer of an organic light emitting semiconductor material (OLED), comprises (1) a configuration of one or more treatment stations for processing the substrate in the treatment stations and (2) a first encapsulation module for providing an encapsulation element on the layer system deposited on the substrate. Furthermore, the processing device comprises at least a second encapsulation module, and is configured to provide the encapsulation element on the coated substrate in the first or second encapsulation module alternatively. By providing two encapsulation modules, the second module may be cleaned during a continuous operation of the processing device, while the first encapsulation module is generating an encapsulation on a coated substrate. In this way, a continuous operation of a coating device for depositing an OLED coating and an encapsulation element on the OLED coating is provided.Type: ApplicationFiled: March 27, 2008Publication date: October 23, 2008Applicant: Applied Materials, Inc.Inventors: Uwe Hoffmann, Jose Manuel Dieguez-Campo