Patents Represented by Attorney, Agent or Law Firm Dugan & Dugan
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Patent number: 7930061Abstract: The present invention provides systems and methods for loading and unloading substrate carriers onto and off of a transport system. The invention includes a substrate carrier handler adapted to transfer a substrate carrier between a docking station and a transport system, the substrate carrier handler including an end effector adapted to support the substrate carrier; a controller coupled to the substrate carrier handler and operative to control the substrate carrier handler such that the end effector of the substrate carrier handler is operative to selectively engage and disengage the substrate carrier to and from the transport system while the substrate carrier is in motion; and a sensor coupled to the controller and operative to provide a signal to the controller indicative of information about the substrate carrier.Type: GrantFiled: October 4, 2007Date of Patent: April 19, 2011Assignee: Applied Materials, Inc.Inventors: Michael R. Rice, Eric A. Englhardt, Jeffrey C. Hudgens, Kirk Van Katwyk
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Patent number: 7927062Abstract: In one aspect, a first apparatus is provided that is adapted to transfer a substrate between a transfer chamber and a processing chamber. The first apparatus includes a robot having a first blade, a second blade spaced from the first blade, and a central hub coupled to the first blade by at least a first arm and coupled to the second blade by at least a second arm. The first blade and the second blade are spaced so as to allow (a) both blades to simultaneously extend through a slit valve that separates a transfer chamber from a processing chamber coupled to the transfer chamber when the robot is positioned within the transfer chamber; and (b) the first and second blades to transfer substrates to and remove substrates from the processing chamber without raising or lowering the first and second blades or the robot. Numerous other aspects are provided.Type: GrantFiled: October 30, 2006Date of Patent: April 19, 2011Assignee: Applied Materials, Inc.Inventors: Michael Rice, Nicholas Cravalho, Jeffrey A. Brodine
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Patent number: 7914246Abstract: A system adapted to exchange wafer carriers between an overhead transport mechanism and a platform is provided. The system employs a wafer carrier having at least one handle extending therefrom, an overhead transfer mechanism, a transporter coupled to the overhead transfer mechanism and adapted to move therealong and having a wafer carrier coupling mechanism adapted to couple to the at least one wafer carrier handle, a platform positioned below the overhead transfer mechanism such that wafer carriers traveling along the overhead transfer mechanism travel over the platform, and an actuator coupled to the platform and adapted so as to elevate the platform to an elevation wherein the loading platform may contact the bottom of a wafer carrier coupled to the overhead transfer mechanism.Type: GrantFiled: June 15, 2009Date of Patent: March 29, 2011Assignee: Applied Materials, Inc.Inventor: Robert Z. Bachrach
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Patent number: 7914248Abstract: In a first aspect, a first method is provided repositioning support provided by an end effector. The first method includes the steps of (1) employing the end effector to support a substrate carrier by a bottom of the substrate carrier; (2) transferring the substrate carrier from the end effector to an intermediate support location, wherein the intermediate support location supports the substrate carrier by a bottom of the substrate carrier; (3) repositioning the end effector proximate an overhead transfer flange of the substrate carrier; (4) employing the end effector to support the substrate carrier by the overhead transfer flange of the substrate carrier; and (5) transferring the substrate carrier from the intermediate support location. Numerous other aspects are provided.Type: GrantFiled: August 4, 2008Date of Patent: March 29, 2011Assignee: Applied Materials, Inc.Inventors: Martin R. Elliott, Michael Robert Rice
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Patent number: 7913645Abstract: In a first aspect, a first method is provided. The first method includes the steps of (1) preconditioning a process chamber with an aggressive plasma; (2) loading a substrate into the process chamber; and (3) performing plasma nitridation on the substrate within the process chamber. The process chamber is preconditioned using a plasma power that is at least 150% higher than a plasma power used during plasma nitridation of the substrate. Numerous other aspects are provided.Type: GrantFiled: July 25, 2006Date of Patent: March 29, 2011Assignee: Applied Materials, Inc.Inventors: Tatsuya Sato, Patricia M. Liu, Fanos Christodoulou
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Patent number: 7912576Abstract: In one aspect, a system is disclosed having a substrate carrier loader adapted to load substrate carriers onto a moving conveyor; and a controller coupled to the substrate carrier loader, the controller adapted to assist in at least one of alignment of the substrate carrier loader to the moving conveyor and calibration of the substrate carrier loader to the moving conveyor or a storage location. Numerous other aspects are provided.Type: GrantFiled: October 4, 2008Date of Patent: March 22, 2011Assignee: Applied Materials, Inc.Inventors: Michael R. Rice, Eric A. Englhardt, Robert B. Lowrance, Martin R. Elliott, Jeffrey C. Hudgens, Kirk Van Katwyk, Amit Puri
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Patent number: 7900311Abstract: In a first aspect, an apparatus for cleaning a thin disk is provided. The apparatus includes a support roller for supporting a rotating wafer within a wafer cleaner. The support roller comprises a guide portion, for receiving an edge of a wafer, having an inclined surface comprising a low-friction material and adapted to allow the wafer edge to slide thereagainst; and an edge-trap portion for retaining the edge of the wafer and having a transverse surface comprising a high-friction material and adapted, when in communication with the edge of the wafer, to resist sliding thereagainst. Numerous other aspects are provided.Type: GrantFiled: October 4, 2008Date of Patent: March 8, 2011Assignee: Applied Materials, Inc.Inventors: Joseph Yudovsky, Anne-Douce Coulin, Leon Volfovski
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Patent number: 7894923Abstract: In some aspects, a method is provided for mapping contents of a substrate carrier. The method includes (1) moving a carrier to a sensor; and (2) determining, with the sensor, a presence or an absence of a substrate in the carrier based upon a position of a substrate clamp in the carrier. Numerous other aspects are provided.Type: GrantFiled: December 19, 2007Date of Patent: February 22, 2011Inventors: Sushant S. Koshti, Eric A. Englhardt, Vinay K. Shah
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Patent number: 7857570Abstract: In one aspect, a substrate loading station for a processing tool includes plural load ports. Each load port is operatively coupled to the processing tool and has a mechanism for opening a substrate carrier. A carrier handler transports substrate carriers from a factory exchange location to the load ports without placing the carriers on any carrier support location other than the load ports. Numerous other aspects are provided.Type: GrantFiled: April 9, 2008Date of Patent: December 28, 2010Assignee: Applied Materials, Inc.Inventors: Martin R. Elliott, Michael R. Rice, Robert B. Lowrance, Jeffrey C. Hudgens, Eric A. Englhardt
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Patent number: 7817289Abstract: A method of determining a thickness of a residue layer on a substrate includes: (1) taking a first set of optical scatterometry measurements on the substrate after an etching procedure; (2) taking a second set of optical scatterometry measurements on the substrate after a post-etch cleaning procedure; (3) calculating a difference measurement between the first set and second set of optical scatterometry measurements; (4) determining an initial thickness measurement of the residue layer based on the difference measurement by applying a first dispersion model; and (5) adjusting the initial thickness measurement by applying a second dispersion model based on a material composition of the residue layer. Numerous other aspects are provided.Type: GrantFiled: July 23, 2008Date of Patent: October 19, 2010Assignee: Applied Materials, Inc.Inventor: Susie Xiuru Yang
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Patent number: 7798309Abstract: In a first aspect, a first apparatus is provided for inter-station overhead transport of a substrate carrier. The first apparatus includes (1) an overhead transport mechanism; (2) a substrate carrier support suspended from the overhead transport mechanism and adapted to receive and support a substrate carrier; and (3) a stabilization apparatus adapted to limit rocking of the substrate carrier and substrate carrier support relative to the overhead transport mechanism. Numerous other aspects are provided.Type: GrantFiled: November 12, 2004Date of Patent: September 21, 2010Assignee: Applied Materials, Inc.Inventors: Michael R. Rice, Eric A. Englhardt, Robert B. Lowrance, Martin R. Elliott, Jeffrey C. Hudgens
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Patent number: 7794195Abstract: A datum plate is provided for use in installations of substrate handling systems. The datum plate has a set of predetermined attachment locations adapted to couple the datum plate to a chamber; a set of predetermined attachment locations adapted to couple one or more automatic door opener platforms to the datum plate; and a set of predetermined attachment locations adapted to couple one or more substrate handlers contained within the chamber, to the datum plate. The attachment locations are positioned such that when the datum plate is coupled to the chamber, and the automatic door opener platform and the substrate handler are coupled to the datum plate, the substrate handler and automatic door opener platform are aligned for substrate transfer therebetween. Numerous other aspects are provided.Type: GrantFiled: April 8, 2008Date of Patent: September 14, 2010Assignee: Applied Materials, Inc.Inventor: William Tyler Weaver
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Patent number: 7792608Abstract: In a first aspect, a substrate loading station is served by a conveyor which continuously transports substrate carriers. A substrate carrier handler that is part of the substrate loading station operates to exchange substrate carriers with the conveyor while the conveyor is in motion. A carrier exchange procedure may include moving an end effector of the substrate carrier handler at a velocity that substantially matches a velocity of the conveyor. Numerous other aspects are provided.Type: GrantFiled: August 13, 2007Date of Patent: September 7, 2010Assignee: Applied Materials, Inc.Inventors: Michael Robert Rice, Martin R. Elliott, Robert B. Lowrance, Jeffrey C. Hudgens, Eric Andrew Englhardt
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Patent number: 7779527Abstract: In a first aspect, an apparatus is provided for forming a scrubber brush assembly. The apparatus includes a mandrel adapted to be inserted into a scrubber brush so as to form a scrubber brush assembly, the mandrel having: a first end; a second end; and one or more position guides adjacent at least one of the first and second ends and adapted to position a scrubber brush on the mandrel. Numerous other aspects are provided.Type: GrantFiled: October 5, 2008Date of Patent: August 24, 2010Assignee: Applied Materials, Inc.Inventors: Joseph Yudovsky, Tai T Ngo, Leon Volfovski, Anne-Douce M P Coulin
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Patent number: 7778721Abstract: In a first aspect, a small lot size lithography bay is provided. The small lot size lithography bay includes (1) a plurality of lithography tools; and (2) a small lot size transport system adapted to transport small lot size substrate carriers to the lithography tools. Each small lot size substrate carrier is adapted to hold fewer than 13 substrates. Numerous other aspects are provided.Type: GrantFiled: June 9, 2005Date of Patent: August 17, 2010Assignee: Applied Materials, Inc.Inventors: Eric Andrew Englhardt, Vinay Shah
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Patent number: 7774887Abstract: A scrubber box is provided that includes a tank adapted to receive a substrate for cleaning, supports outside of the tank and adapted to couple to ends of scrubber brushes disposed within the tank, a motor mounted to each of the supports and adapted to rotate the scrubber brushes, a base to which the supports are pivotally mounted via spherical bearings adapted to permit toe-in of the scrubber brushes, a brush gap actuator adapted, via a crank and rocker mechanism, to substantially simultaneously pivot the supports toward or away from each other so as to permit the scrubber brushes to substantially simultaneously achieve or break contact with the substrate, and a toe-in actuator adapted to move two of the spherical bearings toward or away from each other so as to adjust a toe-in angle between the scrubber brushes.Type: GrantFiled: April 14, 2008Date of Patent: August 17, 2010Assignee: Applied Materials, Inc.Inventors: Joseph Yudovsky, Avi Tepman, Kenneth R. Reynolds, Younes Achkire, Dan A. Marohl, Steve G. Ghanayem, Alexander S. Polyak, Gary Ettinger, Haochuan Zhang, Hui Chen
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Patent number: 7720558Abstract: In a first aspect, a first method of mapping contents of a substrate carrier is provided. The first method includes the steps of (1) coupling a sensor to the substrate carrier or a loadport adapted to receive the substrate carrier; and (2) determining a presence or absence of a substrate in a slot of the substrate carrier using the sensor. Numerous other aspects are provided.Type: GrantFiled: September 6, 2005Date of Patent: May 18, 2010Assignee: Applied Materials, Inc.Inventors: Martin R. Elliott, Vinay Shah
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Patent number: 7720557Abstract: Systems, tools, and methods are provided in which a first signal is transmitted from a tool to a Fab indicating that all substrates to be processed have been removed from a specific carrier and that the specific carrier may be temporarily unloaded from a loadport of the tool. A second signal is transmitted from the tool to the Fab indicating that the specific carrier may be returned to the tool. While the carrier is unloaded from the tool, other carriers may be loaded on the vacated loadport. Numerous other features and aspects of the invention are disclosed.Type: GrantFiled: January 27, 2006Date of Patent: May 18, 2010Assignee: Applied Materials, Inc.Inventors: Michael Teferra, Amitabh Puri, Eric Englhardt
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Patent number: 7720655Abstract: In a first aspect, a first mainframe is provided for use during semiconductor device manufacturing. The first mainframe includes (1) a sidewall that defines a central transfer region adapted to house a robot; (2) a plurality of facets formed on the sidewall, each adapted to couple to a process chamber; and (3) an extended facet formed on the sidewall that allows the mainframe to be coupled to at least four full-sized process chambers while providing service access to the mainframe. Numerous other aspects are provided.Type: GrantFiled: December 20, 2006Date of Patent: May 18, 2010Assignee: Applied Materials, Inc.Inventor: Michael R. Rice
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Patent number: 7718011Abstract: A method and apparatus for cleaning, rinsing and Marangoni drying substrates is provided. The invention includes spraying a line of fluid to a substrate, thereby creating an air/fluid interface line on the substrate; supplying a line of drying vapors to the air/fluid interface line, thereby creating a Marangoni drying effect along the air/fluid interface line; and moving the substrate relative to the air/fluid line. Numerous other aspects are provided.Type: GrantFiled: August 6, 2007Date of Patent: May 18, 2010Assignee: Applied Materials, Inc.Inventors: Boris Fishkin, Michael Sherrard