Patents Assigned to Ibiden Co., Ltd.
  • Publication number: 20240145821
    Abstract: A heat transfer suppression sheet for a battery pack, the heat transfer suppression sheet being used in a battery pack in which battery cells are connected in series or in parallel and being interposed between the battery cells, the heat transfer suppression sheet containing: a heat-insulating material containing at least one of inorganic particles or inorganic fibers; and a covering material covering at least a part of the heat-insulating material, in which a gap is formed between the heat-insulating material and the covering material, and the gap communicates with the outside of the heat-insulating material and the covering material.
    Type: Application
    Filed: January 14, 2022
    Publication date: May 2, 2024
    Applicant: Ibiden Co., Ltd.
    Inventors: Hisashi ANDO, Naoki TAKAHASHI
  • Publication number: 20240136294
    Abstract: A wiring substrate includes first conductor pads formed on a surface of an insulating layer, second conductor pads formed on the surface of the insulating layer, a second insulating layer covering the surface of the insulating layer and first and second conductor pads, first via conductors formed in first via holes penetrating through the second insulating layer such that the first via conductors are formed on the first conductor pads, and second via conductors formed in second via holes penetrating through the second insulating layer such that the second via conductors are formed on the second conductor pads. The first and second conductor pads are formed such that an annular width amount of each second conductor pad is smaller than an annular width amount of each first conductor pad and that a haloing amount in each second conductor pad is smaller than a haloing amount in each first conductor pad.
    Type: Application
    Filed: October 18, 2023
    Publication date: April 25, 2024
    Applicant: IBIDEN CO., LTD.
    Inventors: Ikuya TERAUCHI, Shogo FUKUI, Ryo ANDO, Keisuke SHIMIZU
  • Publication number: 20240138076
    Abstract: A method for manufacturing a wiring substrate includes forming first conductor pads and second conductor pads having a shorter inter-pad distance than the first conductor pads, forming a second insulating layer covering the first conductor pads and the second conductor pads, forming first via holes exposing the first conductor pads, applying a first desmear treatment such that residues are removed from the first via holes, forming second via holes in the second insulating layer after the first desmear treatment such that the second via holes expose the second conductor pads, applying a second desmear treatment such that residues are removed from the second via holes, forming first via conductors in the first via holes such that the first via conductors are formed on the first conductor pads, and forming second via conductors in the second via holes such that the second via conductor are formed on the second conductor pads.
    Type: Application
    Filed: October 18, 2023
    Publication date: April 25, 2024
    Applicant: IBIDEN CO., LTD.
    Inventor: Ikuya TERAUCHI
  • Publication number: 20240138071
    Abstract: A method for manufacturing a wiring substrate includes forming conductor pads on a surface of an insulating layer, positioning, on or in the insulating layer, an electronic component having electrode pads, forming a second insulating layer covering the surface of the insulating layer, conductor pads and electronic component, forming first via holes exposing the conductor pads, applying a first desmear treatment to the second insulating layer such that residues are removed from the first via holes, forming second via holes in the second insulating layer after the first desmear treatment such that the second via holes expose the electrode pads of the electronic component positioned on or in the insulating layer, applying a second desmear treatment to the second insulating layer such that residues are removed from the second via holes, forming first via conductors in the first via holes, and forming second via conductors in the second via holes.
    Type: Application
    Filed: October 18, 2023
    Publication date: April 25, 2024
    Applicant: IBIDEN CO., LTD.
    Inventors: Shogo FUKUI, Ryo ANDO, Keisuke SHIMIZU
  • Patent number: 11963492
    Abstract: The objective of the invention is to provide an agent for increasing a plant functional component content, which is capable of increasing a content of the plant functional component by being adequately sprayed to the plant or injected into the soil without using stress cultivation conditions or plants with high content of functional component, and a method for manufacturing the same. An agent for increasing a plant functional component content comprising a fatty acid metabolite obtainable by a metabolism of a fatty acid with 4-30 carbon atoms by proteobacteria under a dissolved oxygen concentration of 0.1-8 mg/L, and a method for manufacturing an agent for increasing a plant functional component content comprising a fatty acid metabolite, comprising a step for a fatty acid metabolism wherein a fatty acid with 4-30 carbon atoms is subjected to a proteobacterial metabolization under a dissolved oxygen concentration of 0.1-8 mg/L.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 23, 2024
    Assignee: IBIDEN CO., LTD.
    Inventors: Katsuya Ohno, Tomohiro Nohara
  • Publication number: 20240128566
    Abstract: An assembled battery in which a plurality of battery cells is connected serially or in parallel, the battery cells each having an electrode surface having an electrode and a peripheral surface orthogonal to the electrode surface and being disposed such that the peripheral surfaces face each other. The assembled battery contains the battery cells, a flameproof material covering the peripheral surface of the battery cells, and a heat dissipation member covering the peripheral surface of the battery cells which is covered with the flameproof material.
    Type: Application
    Filed: January 31, 2022
    Publication date: April 18, 2024
    Applicant: IBIDEN CO., LTD.
    Inventor: Keisuke TANGE
  • Patent number: 11963298
    Abstract: A printed wiring board includes a base insulating layer, a conductor layer formed on the base layer and including first and second pads, a solder resist layer formed on the base layer, covering the conductor layer and having first opening exposing the first pad and second opening exposing the second pad, a first bump formed on the first pad and including a base plating layer and a top plating layer, and a second bump formed on the second conductor pad and including a base plating layer and a top plating layer. The second opening has diameter smaller than diameter of the first opening, the second bump has diameter smaller than diameter of the first bump, the first pad has a first recess formed on the first pad, the second pad has a second recess formed on the second pad, and the first recess is larger than the second recess.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: April 16, 2024
    Assignee: IBIDEN CO., LTD.
    Inventors: Yoshiki Matsui, Atsushi Deguchi
  • Patent number: 11956896
    Abstract: A printed wiring board includes a first insulating layer, a conductor layer, and a second insulating layer. The conductor layer includes first and second circuits such that space is formed between the circuits, the first circuit has first and second side walls, the second circuit has third and fourth side walls such that the second wall faces the third wall, the first circuit has first, second and third portions, the second circuit has fourth, fifth and sixth portions such that the first and fourth portions, the second and fifth portions and the third and sixth portions face each other, the first circuit is formed such that the second wall of the second portion is recessed from the second wall of the first and third portions, and the first insulating layer has recess between the second and fifth portions such that the second insulating layer is filling the space and recess.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: April 9, 2024
    Assignee: IBIDEN CO., LTD.
    Inventors: Tomohiko Murata, Yoshiteru Hashimoto, Yoshiki Kawai, Hideyuki Goto
  • Publication number: 20240107685
    Abstract: A printed wiring board includes a first conductor layer, a resin insulating layer having an opening, a second conductor layer including a seed layer and an electrolytic plating layer formed on the seed layer, and a via conductor including the seed layer and the electrolytic plating layer and connecting the first conductor and second conductor layers. The seed layer has a first portion on the surface of the insulating layer, a second portion on an inner wall surface in the opening of the insulating layer, and a third portion on a portion of the first conductor layer exposed by the opening of the insulating layer such that the first portion is thicker than the second portion and the third portion, the second portion has a first film and a second film electrically connected to the first film, and a portion of the first film is formed on the second film.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 28, 2024
    Applicant: IBIDEN CO., LTD.
    Inventors: Susumu KAGOHASHI, Jun SAKAI, Kyohei YOSHIKAWA, Takuya INISHI
  • Publication number: 20240107684
    Abstract: A printed wiring board includes a first conductor layer, a resin insulating layer having an opening, a second conductor layer including a seed layer and an electrolytic plating layer formed on the seed layer, and a via conductor including the seed and electrolytic plating layers and connecting the first and second conductor layers. The seed layer has a first portion on the surface of the insulating layer, a second portion on an inner wall surface in the opening of the insulating layer, and a third portion on a portion of the first conductor layer exposed by the opening of the insulating layer such that the first portion is thicker than the second and third portions, and the insulating layer includes resin and inorganic particles including first particles forming the inner wall surface and second particles embedded in the insulating layer and having shapes different from shapes of the first particles.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 28, 2024
    Applicant: IBIDEN CO., LTD.
    Inventors: Jun SAKAI, Takuya INISHI, Susumu KAGOHASHI
  • Publication number: 20240091866
    Abstract: A drill for forming through holes in a glass fiber reinforced substrate includes a drill body having a cutting edge part on a front end side, and a neck part on a base end side. The cutting edge part has a larger diameter than the neck part. The drill body has a step formed between the cutting edge and neck parts and a single continuous chip evacuation groove having main and secondary grooves. The main groove has an L-shaped cross section and is extending from front end of the cutting edge part over the step to the neck part. The secondary groove has a U-shaped cross section and smaller groove width and depth than the main groove and is extending along the main groove from the front end of the cutting edge part over the step to the neck part and merging into the main groove at the neck part.
    Type: Application
    Filed: September 20, 2023
    Publication date: March 21, 2024
    Applicant: IBIDEN CO., LTD.
    Inventor: Soma OKUDA
  • Publication number: 20240098892
    Abstract: A printed wiring board includes a first conductor layer, a resin insulating layer laminated on the first conductor layer and including resin material and inorganic particles, a second conductor layer formed on a first surface of the insulating layer such that the first conductor layer is facing a second surface of the insulating layer, and a via conductor formed in an opening extending through the insulating layer and connecting the first and second conductor layers. The insulating layer is formed such that the inorganic particles include first inorganic particles partially embedded in the resin and second inorganic particles completely embedded in the resin, the first inorganic particles have first portions protruding from the resin and second portions embedded in the resin respectively, and the first surface of the resin insulating layer includes a surface of the resin and surfaces of the first portions exposed from the surface of the resin.
    Type: Application
    Filed: April 27, 2023
    Publication date: March 21, 2024
    Applicant: IBIDEN CO., LTD.
    Inventors: Susumu KAGOHASHI, Jun SAKAI, Kyohei YOSHIKAWA
  • Publication number: 20240098897
    Abstract: A wiring substrate includes an insulating layer having through holes, a first conductor layer formed on first surface of the insulating layer, a second conductor layer formed on second surface of the insulating layer, and interlayer conductors formed along wall surfaces surrounding the through holes such that each interlayer conductor has a film-like shape and is connecting the first and second conductor layers. The interlayer conductors include first conductors formed in first region of the insulating layer and second conductors formed in second region of the insulating layer at density higher than density of the first conductors, and a thickness of each first interlayer conductor in its end part is substantially same as or larger than a thickness of each second conductor in its end part and a thickness of each first conductor in its center part is larger than a thickness of each second conductor in its center part.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Applicant: IBIDEN CO., LTD.
    Inventor: Yoshio MIZUTANI
  • Patent number: 11935801
    Abstract: An electronic component built-in wiring board includes a substrate having a cavity, an electronic component accommodated in the cavity of the substrate and having pads on a surface of the component, a coating insulating layer formed on the substrate such that the insulating layer is covering the component and has via holes, via conductors formed in the via holes such that the via conductors are penetrating through the insulating layer, and a resin coating formed between the component and the insulating layer and having through holes such that the through holes are partially exposing the pads in the via holes and that the coating has adhesion to the component that is stronger than adhesion of the insulating layer to the component. The via conductors are formed in the via holes and the through holes such that the via conductors are connected to the pads on the surface of the component.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: March 19, 2024
    Assignee: IBIDEN CO., LTD.
    Inventors: Yusuke Tanaka, Tomohiro Futatsugi, Yuichi Nakamura, Yoshiki Matsui, Keinosuke Ino, Tomohiro Fuwa, Seiji Izawa
  • Patent number: 11935822
    Abstract: A wiring substrate includes a resin insulating layer, a via conductor formed in the resin insulating layer such that the via conductor is penetrating through the resin insulating layer, a conductor pad formed on the resin insulating layer and connected to the via conductor, a coating insulating layer formed on the resin insulating layer such that the coating insulating layer is covering the conductor pad, and a metal post formed on the conductor pad and protruding from the coating insulating layer. The conductor pad is formed such that a central axis of the conductor pad is shifted in a predetermined direction with respect to a central axis of the via conductor, and the metal post is formed such that a central axis of the metal post is shifted in the predetermined direction with respect to the central axis of the conductor pad.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: March 19, 2024
    Assignee: IBIDEN CO., LTD.
    Inventors: Isao Ohno, Tomoya Daizo, Yoji Sawada, Kazuhiko Kuranobu
  • Patent number: 11932178
    Abstract: The present invention provides a sound-absorbing material having sound absorption performance with an average sound absorption coefficient of 0.70 or more in the frequency range of 800 to 5000 Hz. The present invention provides a sound-absorbing material including: a fiber layer including a plurality of holes open to a surface thereof and having a thickness of 3 mm or more; and an inorganic material layer mainly containing a calcium-based material and having a thickness of 0.4 to 0.6 mm on the surface of the fiber layer, the holes being blind holes each penetrating through the inorganic material layer and having a bottom inside the fiber layer, each hole having a depth corresponding to 50 to 90% of the thickness of the fiber layer.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: March 19, 2024
    Assignees: IBIDEN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takanori Kawai, Tomoki Mabuchi
  • Publication number: 20240088484
    Abstract: A heat transfer suppression sheet for a battery pack, the heat transfer suppression sheet being used in a battery pack in which battery cells are connected in series or in parallel, and being interposed between the battery cells, the heat transfer suppression sheet containing a heat-insulating material containing at least one of inorganic particles or inorganic fibers, and a covering material covering at least a part of the heat-insulating material, in which a gap is formed between the heat-insulating material and the covering material.
    Type: Application
    Filed: January 14, 2022
    Publication date: March 14, 2024
    Applicant: IBIDEN CO., LTD.
    Inventors: Hisashi ANDO, Naoki TAKAHASHI
  • Patent number: 11925180
    Abstract: In an antimicrobial substrate, a cured material of a binder containing a copper compound and a polymerization initiator is fixed onto a surface of a base material. At least a part of the copper compound is exposed on a surface of the cured material of the binder.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: March 12, 2024
    Assignee: IBIDEN CO., LTD.
    Inventors: Katsutoshi Horino, Kozo Takada, Kazuhiro Ito, Kohei Otsuka, Kiyotaka Tsukada
  • Patent number: 11930589
    Abstract: A printed wiring board includes a lower layer including conductor layers and insulating layers, a conductor layer formed on the outermost insulating layer in the lower layer, and a solder resist layer formed on the conductor layer such that the solder resist layer is covering the conductor layer on the outermost insulating layer, and a two-dimensional code structure formed on the lower layer and including the conductor layer and a portion of the solder resist layer such that the portion of the solder resist layer has openings forming exposed portions of the conductor layer and that the openings of the solder resist layer and the exposed portions of the conductor layer form the two-dimensional code structure. The conductor layer includes a portion corresponding to the two-dimensional code structure such that the portion of the conductor layer has a residual copper rate that allows the two-dimensional code structure to be read.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: March 12, 2024
    Assignee: IBIDEN CO., LTD.
    Inventor: Yoshihiko Hayashi
  • Patent number: 11930601
    Abstract: A method for manufacturing a printed wiring board includes forming a seed layer on a surface of a resin insulating layer, applying a dry film onto the seed layer using a laminating roll device, cutting the dry film applied onto the seed layer to a predetermined size, applying pressure and heat to the dry film, forming a plating resist on the seed layer from the dry film using photographic technology, forming an electrolytic plating film on part of the seed layer exposed from the resist, removing the resist from the seed layer, and removing the part of the seed layer exposed from the electrolytic plating film. The applying of the pressure and heat includes applying the pressure and heat to the dry film applied onto the seed layer such that the pressure and heat are applied to the entire surface of the dry film cut to the predetermined size simultaneously.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: March 12, 2024
    Assignee: IBIDEN CO., LTD.
    Inventors: Yuji Kadowaki, Tomomi Kano