Patents Assigned to Applied Material
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Patent number: 7372250Abstract: A sensing system includes a plurality of probes arranged in a spaced relation around a stage that is adapted to support a substrate. Each probe includes a detection portion adapted to move from a known starting position toward an edge of the substrate that is supported by the stage; detect the edge of the substrate while the substrate is supported by the stage; generate a detection signal following said detection; and stop moving toward the edge of the substrate following said detection. A controller may determine an edge position of the substrate relative to the stage based on the known starting position of each detection portion and based on the detection signal generated by each detection portion. Numerous other aspects are provided.Type: GrantFiled: February 19, 2004Date of Patent: May 13, 2008Assignee: Applied Materials, Inc.Inventors: Shinichi Kurita, Emanuel Beer, Edgar Kehrberg, Matthias Brunner
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Patent number: 7371485Abstract: Method and apparatus for etching a metal layer disposed on a substrate, such as a photolithographic reticle, are provided. In one aspect, a method is provided for processing a photolithographic reticle including positioning the reticle on a support member in a processing chamber, wherein the reticle comprises a metal photomask layer formed on a silicon-based substrate, and a patterned resist material deposited on the silicon-based substrate, etching the substrate with an oxygen-free processing gas, and then etching the substrate with an oxygen containing processing gas.Type: GrantFiled: October 31, 2005Date of Patent: May 13, 2008Assignee: Applied Materials, Inc.Inventors: Cynthia B. Brooks, Melisa J. Buie, Brigitte C. Stoehr
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Patent number: 7367872Abstract: A conditioner disk for use on a polish pad in chemical mechanical polishing process includes a base structure a plurality of curved blades supported by the base structure. The blades radiate outwardly from a center region of the base structure and curve in a common direction.Type: GrantFiled: April 8, 2003Date of Patent: May 6, 2008Assignee: Applied Materials, Inc.Inventor: Timothy J. Donohue
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Patent number: 7368394Abstract: Methods for forming anisotropic features for high aspect ratio application in etch process are provided in the present invention. The methods described herein advantageously facilitates profile and dimension control of features with high aspect ratios through a sidewall passivation management scheme. In one embodiment, sidewall passivations are managed by selectively forming an oxidation passivation layer on the sidewall and/or bottom of etched layers. In another embodiment, sidewall passivation is managed by periodically clearing the overburden redeposition layer to preserve an even and uniform passivation layer thereon. The even and uniform passivation allows the features with high aspect ratios to be incrementally etched in a manner that pertains a desired depth and vertical profile of critical dimension in both high and low feature density regions on the substrate without generating defects and/or overetching the underneath layers.Type: GrantFiled: February 27, 2006Date of Patent: May 6, 2008Assignee: Applied Materials, Inc.Inventors: Meihua Shen, Uwe Leucke, Guangxiang Jin, Xikun Wang, Wei Liu, Scott Williams
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Patent number: 7368392Abstract: A method of etching metals and/or metal-containing compounds using a plasma comprising a bromine-containing gas. In one embodiment, the method is used during fabrication of a gate structure of a field effect transistor having a titanium nitride gate electrode, an ultra-thin (about 10 to 20 Angstroms) silicon dioxide gate dielectric, and a polysilicon upper contact. In a further embodiment, the gate electrode is selectively notched to a pre-determined width.Type: GrantFiled: April 23, 2004Date of Patent: May 6, 2008Assignee: Applied Materials, Inc.Inventors: Jinhan Choi, Shashank Deshmukh, Sang Yi, Kyeong-Tae Lee
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Patent number: 7368731Abstract: The PSF for a metrology array for high resolution particle beam profile measurement has been improved by improving five major elements of the metrology array. While improvement in each of the five elements provides and improved PSF, a combination of all five of the elements provides an unexpected synergistic effect. The individual elements include the use of a plurality of slots as apertures; use of a high-Z material in forming the array; employing sidewalls on the slotted opening apertures where the sidewall forms an angle with a horizontal surface at the base of the array which is at least 75°; employing a knife edge where the upper corner radius ranges from about 1 nm to about 5 nm; and providing a surface finish at the upper corner of each knife edge which is less than 5 nm RMS.Type: GrantFiled: September 30, 2005Date of Patent: May 6, 2008Assignee: Applied Materials, Inc.Inventor: Jeffrey S. Sullivan
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Patent number: 7367446Abstract: According to a first aspect, a first conveyor system is provided that is adapted to deliver substrate carriers within a semiconductor device manufacturing facility. The first conveyor system includes a ribbon that forms a closed loop along at least a portion of the semiconductor device manufacturing facility. The ribbon is adapted to (1) be flexible in a horizontal plane and rigid in a vertical plane; and (2) transport a plurality of substrate carriers within at least a portion of the semiconductor device manufacturing facility. Numerous other aspects are provided, as are systems, methods and computer program products in accordance with these and other aspects.Type: GrantFiled: October 31, 2006Date of Patent: May 6, 2008Assignee: Applied Materials, Inc.Inventors: Michael R. Rice, Robert B. Lowrance, Martin R. Elliott, Jeffrey C. Hudgens, Eric A. Englhardt
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Publication number: 20080100830Abstract: A system and method for inspecting an object. The system includes: a traveling lens acousto-optic device adapted to generate a traveling lens that propagates through an active region of the traveling lens acousto-optic device; a first scanner, adapted to direct a beam of light towards the traveling lens while the traveling lens propagates; a first beam splitter, adapted to receive a beam formed by the traveling lens; and to split the scanned beam to multiple illuminating light beams; multiple detectors; and an objective lens; adapted to receive the multiple illuminating light beams, direct the multiple illuminating light beams towards multiple areas of the object, receive multiple collected light beams from the multiple areas of the object, and direct the multiple collected light beams towards the multiple detectors; wherein each detector is associated with an area of the multiple areas.Type: ApplicationFiled: October 30, 2006Publication date: May 1, 2008Applicant: Applied Materials, Israel, Ltd.Inventors: Alexander Veis, Yoram Saban
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Publication number: 20080100917Abstract: A method and system are presented for use in imaging broadband light. A plurality of substantially narrowband light components of the broadband light are passed through an array of spectral imaging modules. Each of the spectral imaging modules is configured for imaging light of a respective substantially narrow spectral band with minimal aberrations. This technique provides for producing an image with minimal aberrations over the entire spectral range of the broadband light.Type: ApplicationFiled: October 30, 2006Publication date: May 1, 2008Applicant: Applied Materials, Israel, Ltd.Inventors: BORIS GOLBERG, Benjamin Cohen
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Publication number: 20080099146Abstract: Stress within a suspension wall for suspending a showerhead in a process chamber is ameliorated by one or more of: (1) Openings in the suspension wall that reduce exposure of the suspension wall to process gas or ambient atmosphere when the chamber lid is opened. (2) A substantially vertical arrangement of one or more rifts in the suspension wall which facilitate horizontal buckling or flexing of the suspension wall. (3) A plurality of suspension walls whose respective central portions are coplanar. (4) A gas sealing skirt that helps protect the suspension wall from direct contact with process gas. The gas sealing skirt is connected to either the chamber wall or the showerhead but is not connected to both.Type: ApplicationFiled: October 25, 2006Publication date: May 1, 2008Applicant: Applied Materials, Inc.Inventor: ERNST KELLER
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Publication number: 20080102218Abstract: Methods for depositing a silicon-containing film are described. The methods may include delivering a silicon compound to a surface or a substrate, and reacting the silicon compound to grow the silicon-containing film. The silicon compound may be one or more compounds having a formula selected from the group Si4X8, Si4X10, Si5X10, and Si5X12, where X is independently a hydrogen or halogen.Type: ApplicationFiled: January 3, 2008Publication date: May 1, 2008Applicant: Applied Materials, Inc.Inventors: Paul Comita, Lance Scudder, David Carlson
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Publication number: 20080102553Abstract: A process for passivating a carbon-based hard mask, for example, of hydrogenated amorphous carbon, overlying an oxide dielectric which is to be later etched according to the pattern of the hard mask. After the hard mask is photo lithographically etched, it is exposed to a plasma of a hydrogen-containing reducing gas, preferably hydrogen gas, and a fluorocarbon gas, preferably trifluoromethane. The substrate can then be exposed to air without the moisture condensing in the etched apertures of the hard mask.Type: ApplicationFiled: October 31, 2006Publication date: May 1, 2008Applicant: Applied Materials, Inc.Inventors: TAEHO SHIN, Ajey M. Joshi, Zhuang Li, Wei-Te Wu, Jin Chul Son, Jong Hun Choi
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Publication number: 20080099145Abstract: Stress within a suspension wall for suspending a showerhead in a process chamber is ameliorated by one or more of: (1) A gas sealing skirt that helps protect the suspension wall from direct contact with process gas. The gas sealing skirt is connected to either the chamber wall or the showerhead but is not connected to both. (2) Openings in the suspension wall that reduce exposure of the suspension wall to process gas or ambient atmosphere when the chamber lid is opened. (3) A substantially vertical arrangement of one or more rifts in the suspension wall which facilitate horizontal buckling or flexing of the suspension wall. (4) A plurality of suspension walls whose respective central portions are coplanar.Type: ApplicationFiled: October 25, 2006Publication date: May 1, 2008Applicant: Applied Materials, Inc.Inventor: ERNST KELLER
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Publication number: 20080099329Abstract: A dual magnetron for plasma sputtering including a source magnetron and an auxiliary magnetron, each of which rotate about the center of the target at respective radii. The positions of the magnetron can be moved in complementary radial directions between sputter deposition and target cleaning. The magnetrons have different characteristics of size, strength, and imbalance. The source magnetron is smaller, stronger, and unbalanced source magnetron and is positioned near the edge of the wafer in sputter deposition and etching. The auxiliary magnetron is larger, weak, and more balanced and used for cleaning the center of the target and guiding sputter ions from the source magnetron in sputter deposition. Each magnetron may have its plasma shorted out in its radially outer position.Type: ApplicationFiled: October 27, 2006Publication date: May 1, 2008Applicant: Applied Materials, Inc.Inventors: Cristopher M. Pavloff, Winsor Lam, Tza-Jing Gung, Hong S. Yang, Ilyoung Richard Hong
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Publication number: 20080099690Abstract: A microscope for inspecting a surface in an evacuated volume, including an optical objective assembly which is located in the evacuated volume in proximity to the surface. The assembly is arranged to collect and convey radiation from the surface while focusing the radiation so as to form an image of the surface. The microscope further includes a sensor, located in a space outside the evacuated volume, which is arranged to receive the radiation conveyed from the optical objective assembly so as to generate a signal corresponding to the image.Type: ApplicationFiled: October 30, 2006Publication date: May 1, 2008Applicant: Applied Materials, Israel, Ltd.Inventor: Idan Paiss
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Patent number: 7365836Abstract: An optical inspection system rapidly evaluates a substrate by illumination of an area of a substrate larger than a diffraction-limited spot using a coherent laser beam by breaking temporal or spatial coherence. Picosecond or femtosecond pulses from a modelocked laser source are split into a plurality of spatially separated beamlets that are temporally and/or frequency dispersed, and then focused onto a plurality of spots on the substrate. Adjacent spots, which can overlap by up to about 60-70 percent, are illuminated at different times, or at different frequencies, and do not produce mutually interfering coherence effects. Bright-field and dark-field detection schemes are used in various combinations in different embodiments of the system.Type: GrantFiled: December 22, 2005Date of Patent: April 29, 2008Assignee: Applied Materials, Israel, Ltd.Inventor: Daniel Some
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Patent number: 7365320Abstract: Systems and methods for process monitoring based upon X-ray emission induced by a beam of charged particles such as electrons or ions include a system and method for process monitoring that analyze a cavity before being filled and then analyze emitted X-rays from the cavity after the cavity has been filled with a conductive material. Also included are system and methods for process monitoring that apply a quantitative analysis correction technique on detected X-ray emissions.Type: GrantFiled: October 8, 2003Date of Patent: April 29, 2008Assignee: Applied Materials Israel, Ltd.Inventor: Dror Shemesh
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Patent number: 7363876Abstract: A transformer-coupled plasma source using toroidal cores forms a plasma with a high-density of ions along the center axis of the torus. In one embodiment, cores of a plasma generator are stacked in a vertical alignment to enhance the directionality of the plasma and generation efficiency. In another embodiment, cores are arranged in a lateral array into a plasma generating plate that can be scaled to accommodate substrates of various sizes, including very large substrates. The symmetry of the plasma attained allows simultaneous processing of two substrates, one on either side of the plasma generator.Type: GrantFiled: January 30, 2004Date of Patent: April 29, 2008Assignee: Applied Materials, Inc.Inventors: Canfeng Lai, Michael S. Cox, Peter K. Loewenhardt, Tsutomu Tanaka, Shamouil Shamouilian
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Patent number: 7365529Abstract: A flexible semiconductor test structure that may be incorporated into a semiconductor device is provided. The test structure may include a plurality of test pads designed to physically stress conductive lines to which they are attached during thermal cycling. By utilizing test pads with different dimensions (lengths and/or widths), the effects of thermal stress generated by a plurality of conductive lines having corresponding different dimensions may be simulated.Type: GrantFiled: August 18, 2006Date of Patent: April 29, 2008Assignee: Applied Materials, Inc.Inventors: Naomi Yoshida, Toshiyuki Nagata
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Patent number: 7364603Abstract: An apparatus and process for abating at least one acid or hydride gas component or by-product thereof, from an effluent stream deriving from a semiconductor manufacturing process, comprising, a first sorbent bed material having a high capacity sorbent affinity for the acid or hydride gas component, a second and discreet sorbent bed material having a high capture rate sorbent affinity for the same gas component, and a flow path joining the process in gas flow communication with the sorbent bed materials such that effluent is flowed through the sorbent beds, to reduce the acid or hydride gas component. The first sorbent bed material preferably comprises basic copper carbonate and the second sorbent bed preferably comprises at least one of, CuO, AgO, CoO, CO3O4, ZnO, MnO2 and mixtures thereof.Type: GrantFiled: August 27, 2004Date of Patent: April 29, 2008Assignee: Applied Materials, Inc.Inventors: Joseph D. Sweeney, Paul J. Marganski, W. Karl Olander