Patents by Inventor Masashi Numata

Masashi Numata 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).

  • Patent number: 8407870
    Abstract: Provided is a method for manufacturing a high-quality piezoelectric vibrator in which reliable air-tightness of the inside of the cavity is maintained, and stable conduction between the piezoelectric vibrating reed and the outer electrodes is secured.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: April 2, 2013
    Assignee: Seiko Instruments Inc.
    Inventors: Masashi Numata, Kazuyoshi Sugama, Hiroshi Higuchi
  • Patent number: 8405463
    Abstract: An electronic device is provided which includes a base, a through-electrode that passes through the base and from which an insulating material on an end face thereof is removed by polishing, a circuit pattern that is formed on an end face of the through-electrode, an electronic component that is disposed via an internal wiring formed on the circuit pattern, an electrode pattern that is formed on the surface of the base opposite to the surface on which the electronic component is disposed and that is connected to the other end face of the through-electrode, an external electrode that is formed on the electrode pattern, and a cap that is bonded to the base so as to protect the electronic component on the base.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: March 26, 2013
    Assignee: Seiko Instruments Inc.
    Inventors: Takahiko Nakamura, Keiji Sato, Hitoshi Takeuchi, Kiyoshi Aratake, Masashi Numata
  • Patent number: 8362846
    Abstract: A package manufacturing method capable of preventing recess portions from being formed in penetration electrodes. The package manufacturing method includes an electrode member forming step of inserting core portions made of a metallic material into cylindrical members made of a first glass material and heating the cylindrical members so as to weld the cylindrical members to the core portions, thus forming electrode members; a hole forming step of forming holes, in which the electrode members 8 are disposed, on a penetration electrode forming board wafer made of a second glass material; an electrode member disposing step of disposing the electrode members in the holes formed on the wafer; a welding step of heating the wafer and the electrode members so as to be welded to each other; and a cooling step of cooling the wafer and the electrode members.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: January 29, 2013
    Assignee: Seiko Instruments Inc.
    Inventors: Kazuyoshi Sugama, Masashi Numata
  • Patent number: 8281468
    Abstract: Providing a method for manufacturing a package capable of improving production efficiency.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: October 9, 2012
    Assignee: Seiko Instruments Inc.
    Inventors: Yoichi Funabiki, Masashi Numata
  • Patent number: 8278567
    Abstract: In a structure where an electronic component is mounted on a glass base material, an external electrode is provided on an opposite side to the component mounted on the base, and a through electrode and the base are welded to each other at a temperature equal to or higher than a glass softening point, electrical conduction is ensured between the electronic component and the external electrode. An electronic device includes a base, a through electrode which pass through the base and has a metal film formed on both end surfaces after an insulating material on the surface is removed by polishing, an electronic component which is provided on one surface of the through electrode through a connection portion, an external electrode which is provided on an opposite side to a side of the base on which the electronic component is provided, and a cap which protects the electronic component on the base.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: October 2, 2012
    Assignee: Seiko Instruments Inc.
    Inventors: Takahiko Nakamura, Keiji Sato, Hitoshi Takeuchi, Daisuke Terada, Kiyoshi Aratake, Masashi Numata
  • Patent number: 8256107
    Abstract: An electronic-parts package includes a base member, a conductive member extending through the base member, the conductive member having the insulating substance on the surface removed by polishing, electronic parts disposed on one surface of the conductive member through a connection portion, an exterior electrode disposed through a metal film on the opposite surface of the surface of the base member on which the electronic parts is disposed, and a cap member that protects the electronic parts on the base member.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: September 4, 2012
    Assignee: Seiko Instruments Inc.
    Inventors: Takahiko Nakamura, Keiji Sato, Hitoshi Takeuchi, Kiyoshi Aratake, Masashi Numata
  • Publication number: 20120206998
    Abstract: An anodic bonding apparatus includes a first intermediate member that is disposed between an upper surface (an outer surface) of a lead substrate wafer and a first heater, has heat conductivity, and can be flexible; and a second intermediate member that is disposed between a lower surface (an outer surface) of a base substrate wafer and a second heater, has conductivity and heat conductivity, and can be flexible, wherein the first intermediate member is formed so that a central portion thereof bulges toward the base substrate wafer further than a periphery portion thereof, and the second intermediate member is formed so that a central portion thereof bulges toward the lead substrate wafer further than a periphery portion thereof, and, the first intermediate member and the second intermediate member are evenly deformed.
    Type: Application
    Filed: January 30, 2012
    Publication date: August 16, 2012
    Inventors: Masashi Numata, Kazuyoshi Sugama
  • Publication number: 20120195318
    Abstract: A control server is connected to a plurality of physical nodes that keep control information defining an operation to be taken in accordance with input/output packet characteristics and process the input/output packets according to the control information. The control server includes a first storage unit that stores configuration information about a virtual network configured to include virtual nodes that are virtualized versions of the physical nodes, and a second storage unit that stores virtual network identifying information identifying the virtual network from characteristics of an input packet, and the control server identifies a physical node that configures a virtual network that handles a packet having a characteristic in common with the packet received by the physical node based on a request from the physical node and updates control information for each physical node.
    Type: Application
    Filed: October 7, 2010
    Publication date: August 2, 2012
    Inventors: Masashi Numata, Syuuhei Yamaguchi, Junichi Yamato
  • Patent number: 8207654
    Abstract: A piezoelectric oscillator is provided, which has a through electrode providing reliable conduction between a piezoelectric vibrating piece and an external electrode with rare occurrence of a large stress caused by temperature variation in processing or deformation of a mounted base substrate, while the hermeticity of a cavity is maintained. A piezoelectric oscillator having a piezoelectric vibrating piece sealed in a cavity defined between a base substrate and a lid substrate includes a through electrode disposed in a through hole penetrating through the base substrate, and the through electrode has a glass frit filled in the through hole and fired and a core formed of a material containing only iron and nickel and disposed in the through hole together with the glass frit. The values of the thermal expansion coefficients of the base substrate, the glass frit, and the core are set as: base substrate glass?frit>core.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: June 26, 2012
    Assignee: Seiko Instruments Inc.
    Inventors: Kazuyoshi Sugama, Masashi Numata, Shuji Yamane
  • Publication number: 20120153779
    Abstract: An electronic component includes a glass substrate, a lid that is bonded to the glass substrate, an internal electrode, an external electrode, and a through electrode that is disposed in a through hole passing through the glass substrate and electrically connects the internal electrode to the external electrode. A sputtered metal layer is formed on the end face of a core member of the through electrode, which is made of a metal, by sputtering.
    Type: Application
    Filed: December 1, 2011
    Publication date: June 21, 2012
    Inventors: Keiji Sato, Hitoshi Takeuchi, Takahiko Nakamura, Kiyoshi Aratake, Masashi Numata
  • Publication number: 20120044025
    Abstract: An electronic device is provided which includes a base, a through-electrode that passes through the base and from which an insulating material on an end face thereof is removed by polishing, a circuit pattern that is formed on an end face of the through-electrode, an electronic component that is disposed via an internal wiring formed on the circuit pattern, an electrode pattern that is formed on the surface of the base opposite to the surface on which the electronic component is disposed and that is connected to the other end face of the through-electrode, an external electrode that is formed on the electrode pattern, and a cap that is bonded to the base so as to protect the electronic component on the base.
    Type: Application
    Filed: May 25, 2011
    Publication date: February 23, 2012
    Inventors: Takahiko Nakamura, Keiji Sato, Hitoshi Takeuchi, Kiyoshi Aratake, Masashi Numata
  • Publication number: 20110305119
    Abstract: Provided is a manufacturing method of a package including a plurality of substrates that are bonded to each other, a cavity that is formed inside the plurality of substrates, and through electrodes that conduct current between the inside of the cavity and the outside of the plurality of substrates. The through electrodes are each formed such that a conductive core portion made of a metal material is arranged in a hole portion of a through electrode forming substrate made of a glass material. The manufacturing method includes: a hole portion forming step of forming the hole portion, into which the core portion is inserted, in a through electrode forming substrate wafer; a core portion inserting step of inserting the core portion into the hole portion formed in the through electrode forming substrate wafer; a welding step of heating the through electrode forming substrate wafer and welding it to the core portion; and a cooling step of cooling the through electrode forming substrate wafer.
    Type: Application
    Filed: August 23, 2011
    Publication date: December 15, 2011
    Inventors: Masashi NUMATA, Kazuyoshi SUGAMA, Hiroshi HIGUCHI
  • Patent number: 8069543
    Abstract: There is provided a piezoelectric vibrator 1 that includes a base substrate 2, a lid substrate 3, a piezoelectric vibrating reed 4, a pair of external electrodes 38 and 39, a pair of through electrodes 32 and 33, and routing electrodes 36 and 37. The lid substrate 3 includes a recess 3a for a cavity and is bonded to the base substrate so that the recess faces the base substrate. The piezoelectric vibrating reed 4 is bonded to the upper surface of the base substrate so as to be received in a cavity that is formed between both the substrates. The pair of external electrodes 38 and 39 is formed on the lower surface of the base substrate. The pair of through electrodes 32 and 33 is formed by hardening paste P, which contains a plurality of metal fine particles and a plurality of metal beads P1, so as to pass through the base substrate, maintains airtightness in the cavity, and is electrically connected to the pair of external electrodes, respectively.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: December 6, 2011
    Assignee: Seiko Instruments Inc.
    Inventors: Masashi Numata, Kiyoshi Aratake
  • Publication number: 20110291529
    Abstract: Provided is a bonded glass cutting method of cutting a bonded glass, in which a plurality of glass substrates is bonded together on bonding surfaces thereof through a bonding material, along an intended cutting line, the method including: a first laser irradiation step of emitting a first laser to irradiate a beam having the absorption wavelength of the bonding material along the intended cutting line to thereby delaminate the bonding material on the intended cutting line from the bonding surfaces; a second laser irradiation step of emitting a second laser to irradiate a beam having the absorption wavelength of the bonded glass along the intended cutting line to thereby form a groove on one surface of the bonded glass; and a cutting step of cutting the bonded glass along the intended cutting line by applying a breaking stress to the intended cutting line of the bonded glass.
    Type: Application
    Filed: August 5, 2011
    Publication date: December 1, 2011
    Inventor: Masashi Numata
  • Patent number: 8058778
    Abstract: There is provided a piezoelectric vibrator 1 that includes a base substrate 2, a lid substrate 3, a piezoelectric vibrating reed 4, a pair of external electrodes 38 and 39, a pair of through electrodes 32 and 33, and routing electrodes 36 and 37. The lid substrate 3 includes a recess 3a for a cavity and is bonded to the base substrate so that the recess faces the base substrate. The piezoelectric vibrating reed 4 is bonded to the upper surface of the base substrate in a cavity that is formed between both the substrates. The pair of external electrodes 38 and 39 is formed on the lower surface of the base substrate. The pair of through electrodes 32 and 33 is formed so as to pass through the base substrate and is electrically connected to the pair of external electrodes, respectively. The routing electrodes 36 and 37 are formed on the upper surface of the base substrate and electrically connect the pair of through electrodes to the piezoelectric vibrating reed.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: November 15, 2011
    Assignee: Seiko Instruments Inc.
    Inventors: Masashi Numata, Kiyoshi Aratake
  • Publication number: 20110261658
    Abstract: A method of manufacturing a piezoelectric vibrator according to the invention is a method of manufacturing a piezoelectric vibrator in which a piezoelectric vibrating reed is sealed in a cavity formed between a base substrate and a lid substrate bonded to each other, the method including the steps of: inserting a core portion of a conductive rivet member, which includes a planar head portion and the core portion extending in a direction vertically to the surface of the head portion, into a penetration hole of the base substrate and bringing the head portion of the rivet member into contact with a first surface of the base substrate; attaching a laminate material having elastic properties to the first surface of the base substrate so as to cover the head portion; applying a paste-like glass frit on a second surface of the base substrate and filling the glass frit in the penetration hole; and baking and curing the glass frit.
    Type: Application
    Filed: July 1, 2011
    Publication date: October 27, 2011
    Inventors: Yoichi Funabiki, Masashi Numata, Kazuyoshi Sugama
  • Publication number: 20110255378
    Abstract: A method of manufacturing a package capable of sealing an electronic component in a cavity formed between a plurality of substrates bonded to each other includes a penetration electrode forming step of forming a penetration electrode which passes through a first substrate of the plurality of substrates in the thickness direction and which electrically connects the inside of the cavity and the outside of the package to each other. The package manufacturing method is characterized in that the penetration electrode forming step includes a through hole forming step of forming a through hole for disposing the penetration electrode in the first substrate and a filling step of filling a filler into the through hole under a decompressed atmosphere.
    Type: Application
    Filed: June 28, 2011
    Publication date: October 20, 2011
    Inventors: Yoichi Funabiki, Masashi Numata, Kazuyoshi Sugama
  • Publication number: 20110249535
    Abstract: A method of manufacturing a piezoelectric vibrator according to the invention includes the steps of: inserting a core portion of a conductive rivet member, which includes a planar base portion and the core portion extending in a direction vertical to the surface of a base portion, into a penetration hole of the base substrate and bringing the base portion of the rivet member into contact with a first surface of the base substrate; applying a paste-like glass frit on a second surface of the base substrate and moving a first squeegee which comes into contact with the second surface with an attack angle in one direction to thereby fill the glass frit in the penetration hole; and moving a second squeegee which comes into contact with the second surface with an attack angle in a direction opposite to the one direction to thereby fill the glass frit applied redundantly on the second surface in the penetration hole.
    Type: Application
    Filed: June 23, 2011
    Publication date: October 13, 2011
    Inventors: Yoichi Funabiki, Masashi Numata, Kazuyoshi Sugama
  • Publication number: 20110249534
    Abstract: A package manufacturing method of the present invention is a method of manufacturing a package with a recessed cavity formed in at least one of first and second substrates formed of a glass material and includes a cavity forming step of forming the cavity by performing press molding on at least one molded substrate of the first and second substrates and a heat treatment step of heating the molded substrate formed with the cavity.
    Type: Application
    Filed: June 22, 2011
    Publication date: October 13, 2011
    Inventors: Junya Fukuda, Masashi NUMATA, Sumihiko KURITA
  • Patent number: 8032997
    Abstract: A process of manufacturing a piezoelectric vibrator comprises a base substrate; a lid substrate in which cavity recesses are formed and which is bonded to the base substrate in such a state that the recesses face the base substrate; a piezoelectric vibration member bonded to the upper face of the base substrate in such a state that it is housed in the cavity formed of the recess between the base substrate and the lid substrate; an external electrode formed on the lower face of the base substrate; a through- electrode formed in and through the base substrate and electrically connected with the external electrode with keeping the airtightness inside the cavity; and a routing electrode formed on the upper face of the base substrate to electrically connect the through-electrode to the bonded piezoelectric vibration member; wherein the through-electrode is formed in the base substrate by utilizing an electroconductive tack member having a tabular basis part and a core part extending from the basis part toward a di
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: October 11, 2011
    Assignee: Seiko Instruments Inc.
    Inventors: Masashi Numata, Kiyoshi Aratake, Osamu Onitsuka, Junya Fukuda, Kazuyoshi Sugama