Patents by Inventor Xinming Wang

Xinming Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20100075498
    Abstract: A semiconductor device has interconnects protected with an alloy film having a minimum thickness necessary for producing the effect of preventing diffusion of oxygen, copper, etc., formed more uniformly over an entire surface of a substrate with less dependency to the interconnect pattern of the substrate. The semiconductor device includes, embedded interconnects, formed by filling an interconnect material into interconnect recesses formed in an electric insulator on a substrate, and an alloy film, containing 1 to 9 atomic % of tungsten or molybdenum and 3 to 12 atomic % of phosphorus or boron, formed by electroless plating on at least part of the embedded interconnects.
    Type: Application
    Filed: December 2, 2009
    Publication date: March 25, 2010
    Inventors: Daisuke TAKAGI, Xinming Wang, Akira Owatari, Akira Fukunaga, Akihiko Tashiro
  • Publication number: 20090326448
    Abstract: The invention is directed to a menstruum prepositioned type sterile drug-mixing syringe and a menstruum separately positioned type sterile drug-mixing syringe including a shell, a needle, a piston and a push-pull rod assembly. The syringe further includes a menstruum bottle, a solute bottle, a sliding sleeve and a needle loading assembly. The menstruum bottle may be fixed to the inner wall of a sliding sheath, and the solute bottle may be fixed to the inner of the shell. Piston may be disposed within the solute bottle. The sliding sleeve may be socketed to the front end of the shell in advance or disposed by other ways. The mouth of the menstruum bottle may be opposite to the mouth of the solute bottle and may be connected by a needle, which has two piercing tips, wherein the needle punctures and is securely connected to the needle loading assembly.
    Type: Application
    Filed: September 12, 2006
    Publication date: December 31, 2009
    Inventors: Pingan Huo, Wenqing Zhang, Wuyuan Li, Yan Liu, Xinming Wang, Chunqing Jin
  • Publication number: 20090107851
    Abstract: An electrolytic polishing method of a substrate having a barrier film and an interconnect metal layer on a surface to be processed under the presence of an electrolytic solution, including a barrier film electrolytic polishing process which removes the barrier film by applying a voltage between a cathode and an anode, with the surface to be processed serving as the cathode, and causing relative motion between the surface to be processed and a polishing pad which faces and makes contact with the surface to be processed.
    Type: Application
    Filed: October 9, 2008
    Publication date: April 30, 2009
    Inventors: Akira Kodera, Xinming Wang, Itsuki Kobata, Yasushi Toma
  • Publication number: 20090105637
    Abstract: A liquid-powder drug prompt-mixing type automatic syringe includes an injecting assembly, a drug-mixing assembly and a shooting device. The injecting assembly includes an injecting outer sleeve, in which the mouth of a blocking ampoule is slidably socketed, a needle is coaxially connected to the blocking ampoule by a hub; the drug-mixing assembly includes a drug-mixing outer sleeve, in which a precharging pressure menstruum bottle by a drug-mixing needle bracket; the shooting device includes a shooting outer sleeve and a spring pushing rod mechanism slidably socketed in the shooting outer sleeve a movable joining mechanism allows the injecting assembly to alternatively connect the drug-mixing assembly and the shooting device respectively. A liquid drug automatic syringe includes said injecting assembly and the shooting device.
    Type: Application
    Filed: October 27, 2006
    Publication date: April 23, 2009
    Inventors: Xinming Wang, Chunqing Jin, Yan Liu
  • Patent number: 7498261
    Abstract: A metal film-forming method of the present invention can form a metal film having different film qualities in the thickness direction, in a continuous manner using a single processing solution. The metal film-forming method including: providing a substrate having embedded interconnects formed in interconnect recesses provided in a surface of the substrate; and forming a metal film, having different film qualities in the thickness direction, on surfaces of the interconnects in a continuous manner by changing the flow state of a processing solution relative to the surface of the substrate while keeping the surface of the substrate in contact with the processing solution.
    Type: Grant
    Filed: September 7, 2005
    Date of Patent: March 3, 2009
    Assignee: Ebara Corporation
    Inventors: Xinming Wang, Daisuke Takagi, Akihiko Tashiro, Yukio Fukunaga, Akira Fukunaga, Akira Owatari
  • Publication number: 20090000549
    Abstract: There is provided a substrate processing method and apparatus which can measure and monitor thickness and/or properties of a film formed on a substrate as needed, and quickly correct a deviation in process conditions, and which can therefore stably provide a product of constant quality. A substrate processing method for processing a substrate having a metal and an insulating material exposed on its surface in such a manner that a film thickness of the metal, with an exposed surface of the metal as a reference plane, is selectively or preferentially changed, including measuring a change in the film thickness and/or a film property of the metal during and/or immediately after processing, and monitoring processing and adjusting processing conditions based on results of this measurement.
    Type: Application
    Filed: June 30, 2008
    Publication date: January 1, 2009
    Inventors: Xinming Wang, Daisuke Takagi, Akihiko Tashiro, Akira Fukunaga
  • Publication number: 20080300536
    Abstract: A medicine mixer for applying drug comprises a menstruum vial (12), an outer cannula (2) and a solute vial (11) (powdered drug ampoule) which are in one. Retaining ring (1), chuck ring (4) and convex ring (8) are disposed respectively at up portion, middle portion and nether portion of the inner wall of the outer cannula (2). An inner cannula (5) with a ducting needle (3) is disposed between the chuck ring (4) and the convex ring (8). In use the lower end of the outer cannula (2) is inserted to the opening (14) of the solute vial (11), and the opening (13) of the menstruum vial (12) is inserted into the retaining ring (1) of the outer cannula (2), so that rubber plugs (10,9) are pierced successively by the ducting needle (3) to connect two vials and thus mix drug. Then the outer cannula (2) is unfixed and the drug is applied to an infusion bottle (15).
    Type: Application
    Filed: November 11, 2005
    Publication date: December 4, 2008
    Inventors: Xinming Wang, Chunqing Jin, Yan Liu
  • Patent number: 7407821
    Abstract: There is provided a substrate processing method and apparatus which can measure and monitor thickness and/or properties of a film formed on a substrate as needed, and quickly correct a deviation in process conditions, and which can therefore stably provide a product of constant quality. A substrate processing method for processing a substrate having a metal and an insulating material exposed on its surface in such a manner that a film thickness of the metal, with an exposed surface of the metal as a reference plane, is selectively or preferentially changed, including measuring a change in the film thickness and/or a film property of the metal during and/or immediately after processing, and monitoring processing and adjusting processing conditions based on results of this measurement.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: August 5, 2008
    Assignee: Ebara Corporation
    Inventors: Xinming Wang, Daisuke Takagi, Akihiko Tashiro, Akira Fukunaga
  • Publication number: 20080176008
    Abstract: A magnetic film forming apparatus can form a magnetic film, especially a magnetic alloy film, selectively on a metal surface exposed on a surface of a substrate, such as a semiconductor wafer. The magnetic film forming apparatus comprises an electroless plating apparatus having a magnetic field generation apparatus for generating a magnetic field around and parallel to a substrate disposed such that the surface of the substrate is in contact with a plating solution in a plating tank.
    Type: Application
    Filed: January 22, 2008
    Publication date: July 24, 2008
    Inventors: Xinming Wang, Akira Owatari, Takashi Koba, Tsutomu Nakada, Akira Fukuda
  • Publication number: 20080138508
    Abstract: A substrate processing method is useful for forming, by electroless plating, a protective film, such as a magnetic film, which covers exposed surfaces of embedded interconnects composed of an interconnect material, such as copper or silver, embedded in fine interconnect recesses provided in a surface of a substrate. The substrate processing method includes bringing a surface of a substrate into contact with a processing solution whose temperature is adjusted to not more than 15° C., thereby activating the surface, and bringing the activated surface of the substrate into contact with a plating solution, thereby forming a metal film on the surface.
    Type: Application
    Filed: March 6, 2006
    Publication date: June 12, 2008
    Inventors: Daisuke Takagi, Xinming Wang, Akira Owatari, Masanori Ishizaka, Akira Fukunaga
  • Patent number: 7374584
    Abstract: The present invention provides an interconnects-forming method and an interconnects-forming apparatus which can minimize the lowering of processing accuracy in etching, minimize light exposure processing for the formation of interconnect recesses in the production of multi-level interconnects, improve the electromigration resistance of interconnects without impairing the electrical properties of the interconnects, and enhance the reliability of the device.
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: May 20, 2008
    Assignee: Ebara Corporation
    Inventors: Xinming Wang, Daisuke Takagi, Akihiko Tashiro, Yukio Fukunaga, Akira Fukunaga
  • Publication number: 20080067679
    Abstract: A semiconductor device has interconnects protected with an alloy film having a minimum thickness necessary for producing the effect of preventing diffusion of oxygen, copper, etc., formed more uniformly over an entire surface of a substrate with less dependency to the interconnect pattern of the substrate. The semiconductor device includes, embedded interconnects, formed by filling an interconnect material into interconnect recesses formed in an electric insulator on a substrate, and an alloy film, containing 1 to 9 atomic % of tungsten or molybdenum and 3 to 12 atomic % of phosphorus or boron, formed by electroless plating on at least part of the embedded interconnects.
    Type: Application
    Filed: September 22, 2005
    Publication date: March 20, 2008
    Inventors: Daisuke Takagi, Xinming Wang, Akira Owatari, Akira Fukunaga, Akihiko Tashiro
  • Patent number: 7344986
    Abstract: The present invention relates to a plating solution useful for forming embedded interconnects by embedding a conductive material in fine recesses for interconnects provided in the surface of a substrate, such as a semiconductor substrate, or for forming a protective layer for protecting the surface of embedded interconnects, a semiconductor device manufactured by using the plating solution and a method for manufacturing the semiconductor device. The plating solution contains copper ions, metal ions of a metal, and the metal is capable of forming with copper a copper alloy in which the metal does not form a solid solution with copper, a complexing agent, and a reducing agent free from alkali metal.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: March 18, 2008
    Assignee: Ebara Corporation
    Inventors: Hiroaki Inoue, Xinming Wang, Moriji Matsumoto, Makoto Kanayama
  • Publication number: 20080047583
    Abstract: A substrate processing method can form highly-reliable interconnects with little current leakage between interconnects without causing significant damage to the interconnects. The substrate processing method comprises heating and reacting a contaminant on a substrate with a carboxylic acid in an atmosphere containing the carboxylic acid, thereby removing the contaminant.
    Type: Application
    Filed: December 28, 2005
    Publication date: February 28, 2008
    Inventors: Akira Fukunaga, Akira Susaki, Junko Mine, Xinming Wang
  • Patent number: 7332198
    Abstract: There is provided a plating apparatus and method which can control the temperature of a plating solution during plating more uniformly and easily form a uniform plated film on the to-be-plated surface of a workpiece, and which can simplify the device and decrease the footprint. The plating apparatus includes a plating bath having a double bath structure including an inner bath for holding a plating solution and carrying out plating, and an outer bath which surrounds the inner bath and is in fluid communication therewith. A heating device is disposed in the outer bath. The plating apparatus may further include means for circulating or stirring the plating solution in the plating bath.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: February 19, 2008
    Assignee: Ebara Corporation
    Inventors: Xinming Wang, Kenichi Abe, Koji Mishima
  • Publication number: 20080011228
    Abstract: The present invention relates to a semiconductor device and a method for manufacturing the same. The semiconductor device has an embedded interconnect structure in which an electric conductor, such as copper or silver, is embedded in fine recesses formed in a surface of a semiconductor substrate, and also has a protective film formed on surfaces of exposed interconnects that define the interconnect structure, to protect the interconnects. The protective film has a flattened surface.
    Type: Application
    Filed: September 12, 2007
    Publication date: January 17, 2008
    Inventors: Hiroaki Inoue, Norio Kimura, Xinming Wang, Moriji Matsumoto, Makoto Kanayama
  • Publication number: 20080000776
    Abstract: A substrate processing method can securely form a metal film by electroless plating on an exposed surface of a base metal, such as interconnects, with increased throughput and without the formation of voids in the base metal. The substrate processing method includes: cleaning a surface of a substrate having a base metal formed in the surface with a cleaning solution comprising an aqueous solution of a carboxyl group-containing organic acid or its salt and a surfactant as an additive; bringing the surface of the substrate after the cleaning into contact with a processing solution comprising a mixture of the cleaning solution and a solution containing a catalyst metal ion, thereby applying the catalyst to the surface of the substrate; and forming a metal film by electroless plating on the catalyst-applied surface of the substrate.
    Type: Application
    Filed: August 29, 2007
    Publication date: January 3, 2008
    Inventors: Xinming Wang, Daisuke Takagi, Akihiko Tashiro, Yukio Fukunaga, Akira Fukunaga, Akira Owatari, Yukiko Nishioka
  • Patent number: 7297210
    Abstract: There is provided a plating apparatus which can keep a plating solution always in its optimal condition while minimizing the amount of plating solution used, and which can easily form a uniform plated film on the plating surface of a workpiece. The plating apparatus includes: a plating solution supply system (70) for constantly circulating a plating solution while heating the plating solution in a circulation tank (80) provided with a heating apparatus (78a), and supplying a predetermined amount of plating solution to a plating treatment section (24) when carrying out plating treatment; a plating solution recovery system (72) for recovering the plating solution after the plating treatment in the plating treatment section (24), heating the plating solution and returning the heated plating solution to the circulation tank (80); and a plating solution replenishment system (74) for replenishing the circulation tank (80) with a fresh plating solution or a plating solution component.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: November 20, 2007
    Assignee: Ebara Corporation
    Inventors: Akihisa Hongo, Naoki Matsuda, Xinming Wang
  • Patent number: 7285492
    Abstract: A substrate processing method can securely form a metal film by electroless plating on an exposed surface of a base metal, such as interconnects, with increased throughput and without the formation of voids in the base metal. The substrate processing method includes: cleaning a surface of a substrate having a base metal formed in the surface with a cleaning solution comprising an aqueous solution of a carboxyl group-containing organic acid or its salt and a surfactant as an additive; bringing the surface of the substrate after the cleaning into contact with a processing solution comprising a mixture of the cleaning solution and a solution containing a catalyst metal ion, thereby applying the catalyst to the surface of the substrate; and forming a metal film by electroless plating on the catalyst-applied surface of the substrate.
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: October 23, 2007
    Assignee: Ebara Corporation
    Inventors: Xinming Wang, Daisuke Takagi, Akihiko Tashiro, Yukio Fukunaga, Akira Fukunaga, Akira Owatari, Yukiko Nishioka, Tsuyoshi Sahoda
  • Patent number: 7279408
    Abstract: The present invention relates to a semiconductor device and a method for manufacturing the same. The semiconductor device has an embedded interconnect structure in which an electric conductor, such as copper or silver, is embedded in fine recesses formed in a surface of a semiconductor substrate, and also has a protective film formed on surfaces of exposed interconnects that define the interconnect structure, to protect the interconnects. The protective film has a flattened surface.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: October 9, 2007
    Assignee: Ebara Corporation
    Inventors: Hiroaki Inoue, Norio Kimura, Xinming Wang, Moriji Matsumoto, Makoto Kanayama