Patents Examined by Sylvia R. MacArthur
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Patent number: 8043469Abstract: At first, with a chamber being filled with a first gas, a process liquid is supplied onto a surface of a wafer in the chamber so as to process the surface of the wafer. At this time, the process liquid discharged from the chamber is returned to a process-liquid supplying part. Thereafter, with the chamber being filled with a second gas whose humidity is lower than that of the first gas, a fluid for forming a liquid film is supplied onto the surface of the wafer in the chamber to form a liquid film on the surface of the wafer and to dry the surface of the wafer.Type: GrantFiled: October 4, 2007Date of Patent: October 25, 2011Assignee: Tokyo Electron LimitedInventors: Mitsunori Nakamori, Yusuke Saito, Akira Ishihara, Satoru Tanaka, Yuji Murakami
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Patent number: 8043521Abstract: A processing method of subjecting at least two stacked films, which comprise a first film and a second film of a target object to be processed, to a removing process by wet etching comprises bringing a first process liquid into contact with the first film of the target object, thereby etching the first film, determining whether the first film has been removed or not, switching the first process liquid to a second process liquid differing in a condition from the first process liquid when it has been determined that the first film has been removed, and bringing the second process liquid into contact with the second film, thereby etching the second film.Type: GrantFiled: September 8, 2008Date of Patent: October 25, 2011Assignee: Tokyo Electron LimitedInventor: Glenn Gale
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Patent number: 8038838Abstract: A spin head includes chucking pins configures to chuck and unchuck a substrate. Contact portions of the chucking pins and the substrate are varied during a process to prevent a treating solution from remaining at the contact portions.Type: GrantFiled: November 27, 2007Date of Patent: October 18, 2011Assignee: Semes Co., Ltd.Inventors: Ju Won Kim, Ki Hoon Choi, Jung Keun Cho, Kyo Woog Koo, Jung Bong Choi
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Patent number: 8038796Abstract: An apparatus for control of a temperature of a substrate has a temperature-controlled base, a heater, a metal plate, a layer of dielectric material. The heater is thermally coupled to an underside of the metal plate while being electrically insulated from the metal plate. A first layer of adhesive material bonds the metal plate and the heater to the top surface of the temperature controlled base. This adhesive layer is mechanically flexible, and possesses physical properties designed to balance the thermal energy of the heaters and an external process to provide a desired temperature pattern on the surface of the apparatus. A second layer of adhesive material bonds the layer of dielectric material to a top surface of the metal plate. This second adhesive layer possesses physical properties designed to transfer the desired temperature pattern to the surface of the apparatus. The layer of dielectric material forms an electrostatic clamping mechanism and supports the substrate.Type: GrantFiled: December 30, 2004Date of Patent: October 18, 2011Assignee: Lam Research CorporationInventors: Anthony J. Ricci, Keith Comendant, James Tappan
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Patent number: 8029641Abstract: Method and device for wet treating a defined peripheral edge-region of a wafer-shaped article having a first surface plane W1, a second surface plane W2 and an edge surface. The device includes a support for holding the wafer-shaped article; liquid dispensing members for dispensing liquid onto the first surface plane W1 of the wafer-shaped article not facing the support and liquid guiding member connected to the support for guiding at least a part of the liquid around the edge surface of the wafer-shaped article towards the second surface plane W2 of the wafer-shaped article facing the support thereby wetting at least the edge surface, wherein the liquid guiding member has the form of a ring.Type: GrantFiled: May 18, 2006Date of Patent: October 4, 2011Assignee: Lam Research AGInventors: Andreas Baldy, Markus Gacher, Michael Brugger
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Patent number: 8025732Abstract: A method for a substrate processing apparatus having a substrate holding mechanism and a chemical solution dispensing/sucking mechanism including a chemical solution dispensing port for supplying a first chemical solution and a chemical solution suction port, includes placing the target substrate on the substrate holding mechanism, laying out an auxiliary plate at a periphery of the substrate such that the two main faces are substantially flush with each other, supplying a second chemical solution onto the main faces, dispensing the first solution from the dispensing port and sucking the first and second solutions through the suction port, with the dispensing and suction ports brought into contact with the second solution, and while dispensing the first solution from the dispensing port and sucking the first solution through the suction port, scanning the dispensing/sucking mechanism such that the dispensing and suction ports are opposed to the main face of the substrate.Type: GrantFiled: February 19, 2008Date of Patent: September 27, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Hideaki Sakurai, Masamitsu Itoh
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Patent number: 8025759Abstract: A polishing apparatus has a polishing section (302) configured to polish a substrate and a measurement section (307) configured to measure a thickness of a film formed on the substrate. The polishing apparatus also has an interface (310) configured to input a desired thickness of a film formed on a substrate to be polished and a storage device (308a) configured to store polishing rate data on at least one past substrate therein. The polishing apparatus includes an arithmetic unit (308b) operable to calculate a polishing rate and an optimal polishing time based on the polishing rate data and the desired thickness by using a weighted average method which weights the polishing rate data on a lately polished substrate.Type: GrantFiled: July 1, 2004Date of Patent: September 27, 2011Assignee: Ebara CorporationInventors: Tatsuya Sasaki, Naoshi Yamada, Yoshifumi Katsumata, Noburu Shimizu, Seiryo Tsuno, Takashi Mitsuya
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Patent number: 8021512Abstract: An apparatus, system and method for preventing premature drying of a surface of a substrate between fabrication operations includes receiving a substrate for cleaning, performing wet cleaning operations to the surface of the substrate to remove contaminants and fabrication chemistries left behind during one or more fabrication operations from the surface of the substrate, identifying a saturated gas chemistry and applying the identified saturated gas chemistry in a transition region such that the surface of the substrate exposed to the saturated gas chemistry in the transition region retains the moisture thereby preventing the surface of the substrate from premature drying. The saturated gas chemistry is applied between two subsequent wet-cleaning operations.Type: GrantFiled: May 14, 2007Date of Patent: September 20, 2011Assignee: Lam Research CorporationInventors: Seokmin Yun, Mark Wilcoxson
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Patent number: 8016976Abstract: A film removing device includes an approach stage having a flat approach part having a surface substantially flush with the surface of a substrate supported on a support member. The flat approach part faces a first side surface of the substrate at a corner of the substrate where the first side surface and a second side surface of the substrate join. A film removing nozzle spouts a solvent toward a peripheral part of the substrate and sucks a solution while being moved along the second side surface and the approach stage. A gas is spouted into a gap between the flat approach part and the corner of the substrate so that the gas flows through the gap toward the second side surface.Type: GrantFiled: July 31, 2007Date of Patent: September 13, 2011Assignee: Tokyo Electron LimitedInventors: Shigenori Kamei, Kotaro Ooishi, Masahito Hamada
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Patent number: 8007634Abstract: A wafer spin chuck and an etcher using the same are provided. According to an aspect of the present invention, there is provide a wafer spin chuck device comprising: a spin body which spins a wafer; and a stationary body which holds the spin body and is under the spin body with a space between the spin body and the stationary body, wherein the stationary body includes a blocking unit which blocks the space with a fluid.Type: GrantFiled: March 24, 2008Date of Patent: August 30, 2011Assignee: Semes Co., Ltd.Inventors: Joo-Jib Park, Woo-Young Kim, Woo-Seok Lee
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Patent number: 8007631Abstract: A system and method are provided to facilitate dual damascene interconnect integration with two imprint acts. The method provides for creation of a pair of translucent imprint molds containing the dual damascene pattern to be imprinted. The first imprint mold of the pair contains the via features of the dual damascene pattern and the second imprint mold of the pair contains the trench features. The via feature imprint mold is brought into contact with a first imaging layer deposited upon a first transfer layer which is deposited upon a dielectric layer of a substrate. The trench feature imprint mold is brought into contact with a second imaging layer deposited upon a second transfer layer which is deposited upon the first imaging layer of the substrate. When each imaging layer is exposed to a source of illumination, it cures with a structure matching the features of the corresponding imprint mold.Type: GrantFiled: April 30, 2007Date of Patent: August 30, 2011Assignee: Advanced Micro Devices, Inc.Inventors: Srikanteswara Dakshina-Murthy, Bhanwar Singh, Ramkumar Subramanian
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Patent number: 7998306Abstract: The present invention provides a substrate processing apparatus for processing substrates by immersing the substrates in a processing liquid. This substrate processing apparatus includes a processing tank having a pair of side walls arranged to be opposed to each other; and a pair of processing-liquid supply mechanisms provided respectively corresponding to the pair of side walls. The pair of processing-liquid supply mechanisms are respectively configured for supplying the processing liquid toward a central portion of the processing tank in the width direction connecting the pair of side walls, thereby to create a rising flow of the processing liquid in a central area in the width direction of the processing tank. Each inner wall face of the pair of side walls includes a main body, a projecting portion located above the main body, and a discharge guide portion located uppermost and providing a discharge port configured for allowing the processing liquid to overflow.Type: GrantFiled: December 1, 2008Date of Patent: August 16, 2011Assignee: Tokyo Electron LimitedInventors: Koukichi Hiroshiro, Hideyuki Yamamoto, Kazuhiro Takeshita, Takayuki Toshima
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Patent number: 7998308Abstract: A liquid processing apparatus includes a substrate holding member configured to rotate along with a substrate held thereon in a horizontal state; a rotary cup configured to surround the substrate and to rotate along with the substrate; a liquid supply mechanism configured to supply a process liquid onto at least a front surface of the substrate; and an exhaust/drain section configured to perform gas-exhausting and liquid-draining out of the rotary cup; and a guide member disposed to surround the substrate, having an upper surface to be substantially continued to the front surface of the substrate, and configured to rotate along with the substrate holding member and the rotary cup, such that a process liquid supplied onto the front surface of the substrate and thrown off from the substrate is guided by the upper surface of the guide member from the rotary cup to the exhaust/drain section.Type: GrantFiled: April 17, 2007Date of Patent: August 16, 2011Assignee: Tokyo Electron LimitedInventors: Satoshi Kaneko, Kazuhisa Matsumoto, Norihiro Ito, Masami Akimoto, Takayuki Toshima, Hiromitsu Nanba
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Patent number: 7993461Abstract: A structure for independently supporting a wafer and a mask in a processing chamber is provided. The structure includes a set of extensions for supporting the wafer and a set of extensions supporting the mask. The set of extensions for the wafer and the set of extensions for the mask enable independent movement of the wafer and the mask. In one embodiment, the extensions are affixed to an annular ring which is capable of moving in a vertical direction within the processing chamber. A processing chamber, a mask, and a method for combinatorially processing a substrate are also provided.Type: GrantFiled: May 30, 2007Date of Patent: August 9, 2011Assignee: Intermolecular, Inc.Inventors: Rick Endo, Kurt Weiner, James Tsung
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Patent number: 7993486Abstract: The present invention relates to treatment units for the wet-chemical or electrolytic treatment of flat workpieces (1), such as metal foils, printed circuit foils or printed circuit boards, in which the workpieces (1) are transported on a conveying path by means of conveying members (6, 6?, 6?, 7). The treatment unit comprises carrier elements (4) with recesses (21), said carrier elements (4) being oriented to be parallel to the conveying path, and at least one module system for carrying the conveying members (6, 6?, 6?, 7) that consist of insertion elements (14, 26), preferably arranged in pairs, the at least one module system being configured such that it registers with and is preferably slidable into the recesses (21) of the carrier elements (4). The treatment unit is preferably utilized in horizontal conveyorized lines.Type: GrantFiled: December 7, 2004Date of Patent: August 9, 2011Assignee: Atotech Deutschland GmbHInventors: Uwe Hauf, Henry Kunze, Ferdinand Wiener
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Patent number: 7993485Abstract: Apparatus and methods adapted to polish an edge of a substrate include a polishing film, a frame adapted to tension and load the polishing film so that at least a portion of the film is supported in a plane, and a substrate rotation driver adapted to rotate a substrate against the plane of the polishing film such that the polishing film is adapted to apply force to the substrate, contour to an edge of the substrate, the edge including at least an outer edge and a first bevel, and polish the outer edge and the first bevel as the substrate is rotated. Numerous other aspects are provided.Type: GrantFiled: December 9, 2005Date of Patent: August 9, 2011Assignee: Applied Materials, Inc.Inventors: Erik C. Wasinger, Gary C. Ettinger, Sen-Hou Ko, Wei-Yung Hsu, Liang-Yuh Chen, Ho Seon Shin, Donald Olgado
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Patent number: 7988818Abstract: A device for liquid treatment of a defined area of a wafer-shaped article, especially of a wafer, in which a mask is kept at a defined short distance to the wafer-shaped article such that liquid can be retained between the mask and the defined area of the wafer-shaped article by capillary force.Type: GrantFiled: October 23, 2006Date of Patent: August 2, 2011Assignee: Lam Research AGInventor: Philipp Engesser
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Patent number: 7976635Abstract: One embodiment relates to a loadlock having a first support structure therein to support one unprocessed substrate and a second support structure therein to support one processed substrate. The first support structure is located above the second support structure. The loadlock includes an elevator to control the vertical position of the support structures. The loadlock also includes a first aperture to permit insertion of an unprocessed substrate into the loadlock and removal of a processed substrate from the loadlock, as well as a second aperture to permit removal of an unprocessed substrate from the loadlock and insertion of a processed substrate into the loadlock. A cooling plate is also located in the loadlock. The cooling plate includes a surface adapted to support a processed substrate thereon. A heating device may be located in the loadlock above the first support structure.Type: GrantFiled: January 21, 2010Date of Patent: July 12, 2011Assignee: Applied Materials, Inc.Inventors: Shinichi Kurita, Wendell T. Blonigan, Akihiro Hosokawa
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Patent number: 7955437Abstract: An apparatus for fabricating a III-V nitride film by a MOCVD method, including a reactor prepared horizontally, a susceptor to hold a substrate thereon installed in the reactor, a heater to heat the substrate to a predetermined temperature via the susceptor, and a cooling mechanism to directly cool down at least the portion of the inner wall of the reactor opposite to the substrate.Type: GrantFiled: December 16, 2003Date of Patent: June 7, 2011Assignee: NGK Insulators, Ltd.Inventors: Tomohiko Shibata, Yukinori Nakamura, Mitsuhiro Tanaka
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Patent number: 7947190Abstract: An apparatus for applying different amounts of pressure to different locations of a backside of a semiconductor device structure during polishing thereof. The apparatus is configured to be associated with a wafer carrier of a polishing apparatus and includes pressurization structures configured to be biased against the backside of the semiconductor device structure during polishing thereof. The pressurization structures are independently movable with respect to one another. The amount of force or pressure applied by each pressurization structure to the backside of the semiconductor device structure is controlled by at least one corresponding actuator. The actuator may magnetically facilitate movement of the corresponding pressurization structure toward or away from the backside of the semiconductor device structure. The actuator may alternatively comprise a positive or negative pressure source.Type: GrantFiled: November 17, 2003Date of Patent: May 24, 2011Assignee: Round Rock Research, LLCInventor: Nathan R. Brown