Patents Assigned to Lintec Corporation
  • Patent number: 10438831
    Abstract: A base film for dicing sheets that is used in a dicing sheet comprising the base film and a pressure sensitive adhesive layer laminated on one surface of the base film. The base film comprises at least a first resin layer that is in contact with the pressure sensitive adhesive layer of the dicing sheet and a second resin layer that comes into contact with the first resin layer when the base film for dicing sheets is wound up. The second resin layer has a crystallinity of 28% to 45%. The ratio of a tensile elastic modulus of the first resin layer to a tensile elastic modulus of the second resin layer is 1.2 to 3.0. The ratio of a thickness of the first resin layer to a thickness of the base film for dicing sheets is 25% to 80%.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: October 8, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Naoki Taya, Yuki Nito, Yusuke Miyatake
  • Publication number: 20190300710
    Abstract: The invention is a curable composition comprising the following component (A), component (B) and component (C), Component (A): a curable polysilsesquioxane compound having a repeating unit represented by the following specific formula (a-1) R1SiO3/2??(a-1) Component (B): a particulate having an average primary particle diameter of 5 to 40 nm Component (C): a particulate having an average primary particle diameter of larger than 0.04 ?m to 8 ?m, and a method for producing the curable composition, and a cured product obtained by curing the curable composition, and a method for using the curable composition as an adhesive for an optical element-fixing material, and a method for using the curable composition as a sealant for an optical element-fixing material. One aspect of the curable composition according to the invention can provide a cured product excellent in adhesiveness, peeling resistance and heat resistance, and a curable composition excellent in workability in coating process.
    Type: Application
    Filed: December 21, 2016
    Publication date: October 3, 2019
    Applicant: LINTEC CORPORATION
    Inventors: Hidekazu NAKAYAMA, Mikihiro KASHIO
  • Publication number: 20190283334
    Abstract: A dielectric welding film capable of achieving a tight welding through a short period of dielectric heating, and a welding method using the dielectric welding film are provided. The dielectric welding film is configured to weld a pair of adherends of the same material or different materials through dielectric heating, the dielectric welding film including a thermoplastic resin as an A component and a dielectric filler as a B component and satisfying the conditions (i) and (ii): (i) a melting point or softening point measured in accordance with JIS K 7121 (1987) is in a range from 80 to 200 degrees C.; and (ii) heat of fusion measured in accordance with JIS K 7121 (1987) is in a range from 1 to 80 J/g.
    Type: Application
    Filed: October 18, 2017
    Publication date: September 19, 2019
    Applicant: LINTEC CORPORATION
    Inventor: Masakazu ISHIKAWA
  • Patent number: 10403807
    Abstract: The present invention provides a thermoelectric conversion material having a reduced thermal conductivity and having an improved figure of merit, and a method for producing the material. The thermoelectric conversion material has, as formed on a resin substrate having recesses, a thermoelectric semiconductor layer formed of a thermoelectric semiconductor material, wherein the resin substrate comprises one formed by curing a resin layer of a curable resin composition. The production method for the thermoelectric conversion material comprises a resin substrate formation step of transcribing a protruding structure from an original plate having the protruding structure onto a resin layer of a curable resin composition and curing the layer, and a film formation step of forming a thermoelectric semiconductor layer of a thermoelectric semiconductor material on the resin substrate.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: September 3, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Kunihisa Kato, Tsuyoshi Mutou
  • Patent number: 10399306
    Abstract: Provided is a sheet 2 for forming a protective film including a protective film-forming film 1 of which the light transmittance at a wavelength of 1600 nm is 25% or greater, and light transmittance at a wavelength of 550 nm is 20% or less, and a release sheet 21 which is laminated on one or both surfaces of the protective film-forming film 1. According to such a sheet 2 for forming a protective film, cracks existing in a workpiece or a manufactured product obtained by processing the workpiece can be inspected and a protective film in which grinding marks existing in the workpiece or the manufactured product are not visually recognized can be formed.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: September 3, 2019
    Assignee: Lintec Corporation
    Inventors: Naoya Saiki, Daisuke Yamamoto, Hiroyuki Yoneyama, Ken Takano
  • Publication number: 20190264061
    Abstract: This laminate is a laminate (10A) comprising a base (1) and a gas barrier unit (4), the gas barrier unit (4) comprising a first barrier layer (2a), a second barrier layer (2b), and an organic intermediate layer (3) that is situated between the first barrier layer (2a) and the second barrier layer (2b), and has a modulus of elasticity at 90° C. of 1.5 GPa or more, a ratio (X/Y1) of a thickness (X) of the organic intermediate layer (3) to a thickness (Y1) of the first barrier layer (2a) being 3 to 18, and a ratio (X/Y2) of the thickness (X) of the organic intermediate layer (3) to a thickness (Y2) of the second barrier layer (2b) being 3 to 18. The present invention provides a laminate that exhibits an excellent gas barrier capability, and rarely shows deterioration in gas barrier capability even when a thermal load is applied.
    Type: Application
    Filed: May 15, 2019
    Publication date: August 29, 2019
    Applicant: LINTEC Corporation
    Inventors: Yuuta SUZUKI, Koichi NAGAMOTO, Takeshi KONDO
  • Patent number: 10388556
    Abstract: A substrate for back grind tape of the present invention includes a substrate film having a Young's modulus of 600 MPa or more; and a buffer layer provided on one face of the substrate film, the buffer layer formed of a urethane-containing cured material and having a peak temperature of tan ? of 60° C. or lower.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: August 20, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Yuki Morita, Yosuke Saito, Shigeto Okuji
  • Patent number: 10377870
    Abstract: The present invention is a long gas barrier laminate including a base, a functional layer, a smoothing layer, and a gas barrier layer, the functional layer being stacked on one side of the base, the smoothing layer and the gas barrier layer being sequentially stacked on the other side of the base, and a coefficient of static friction between a surface of the functional layer that is situated opposite to the base and a surface of the gas barrier layer that is situated opposite to the base being 0.35 to 0.80; and a method for producing the long gas barrier laminate.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: August 13, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Wataru Iwaya, Koichi Nagamoto, Satoshi Naganawa, Yuuta Suzuki, Takeshi Kondo
  • Patent number: 10370498
    Abstract: The present invention is a curable polysilsesquioxane compound comprising at least one structural unit represented by CHR1X0-D-SiO3/2, the curable polysilsesquioxane compound having a 29Si nuclear magnetic resonance spectrum that has a first peak top within a range of ?73 ppm or more and less than ?65 ppm, has a second peak top within a range of ?82 ppm or more and less than ?73 ppm, and substantially does not have a peak within a range of ?65 ppm or more and less than ?55 ppm, and a method for producing the curable polysilsesquioxane compound, and a curable composition comprising the curable polysilsesquioxane compound and a silane coupling agent, and a cured product obtained by heating the curable composition, and a method for using the curable polysilsesquioxane compound or the curable composition, as an optical device-securing material.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: August 6, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Masami Matsui, Mikihiro Kashio
  • Publication number: 20190232611
    Abstract: The present invention provides a laminate film comprising at least a base and a gas barrier layer, elongation strain (?) generated in a surface of the gas barrier layer, which is calculated by a following formula (1), is 0.8% or less; an electronic device member including the laminate film; and an electronic device equipped with the electronic device member. In formula (1), T is a distance [m] from a surface farthest from the gas barrier layer to the gas barrier layer in a thickness direction of the laminate film, and ? is a distance, from the surface of the laminate film, of a hypothetical plane (?) in the laminate film in which stress does not occur. According to the present invention, there are provided a laminate film excellent in gas barrier properties and bending properties, an electronic device member including this laminate film, and an electronic device equipped with this electronic device member.
    Type: Application
    Filed: October 20, 2017
    Publication date: August 1, 2019
    Applicant: LINTEC CORPORATION
    Inventors: Satoshi NAGANAWA, Takehiro OHASHI, Wataru IWAYA
  • Patent number: 10364115
    Abstract: A sheet sticking apparatus includes a feeder configured to feed an adhesive sheet, a folding unit configured to fold the fed adhesive sheet, and an attaching unit configured to press the folded adhesive sheet onto an adherend to stick the adhesive sheet to the adherend. The adhesive sheet includes a first sheet and a second sheet having a feeding-direction leading end temporarily attached to a feeding-direction rear end of the first sheet. The folding unit includes a deflecting section configured to deflect the second sheet into a reverse V-shape.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: July 30, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Shuji Oda, Akira Dangami
  • Patent number: 10363718
    Abstract: The present invention relates to a pressure sensitive adhesive sheet containing, laminated in this order, a supporting substrate, a pressure sensitive adhesive layer (X), a continuous void-containing layer including a composition containing fine particles (excepting silica), and a pressure sensitive adhesive layer (Y), the continuous void-containing layer having a mass concentration of the fine particles of from 45 to 100%.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: July 30, 2019
    Assignees: LINTEC CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.
    Inventors: Kazue Uemura, Kiichiro Kato, Shigeru Saito, Yumiko Amino, Masanori Kido, Shinji Nishioka, Masato Kishi
  • Publication number: 20190218430
    Abstract: Provided is an adhesive composition containing the following components (A) and (B), wherein as a result of measuring a storage elastic modulus of a solid content, a storage elastic modulus at 23° C. is 0.1 to 600 MPa, and a storage elastic modulus at 80° C. is 0.1 MPa or lower: Component (A): modified polyolefin-based resin Component (B): polyfunctional epoxy compound. Also provided are: a sealing sheet having an adhesive layer formed using the adhesive composition, and a sealed body comprising a seal object that is sealed with the sealing sheet. An aspect of the present invention provides an adhesive composition which is easy to form into a sheet and excellent in unevenness followability, a sealing sheet having an adhesive layer which is formed of this adhesive composition and excellent in unevenness followability, and a sealed body having a seal object sealed with the sealing sheet.
    Type: Application
    Filed: September 7, 2017
    Publication date: July 18, 2019
    Applicant: LINTEC CORPORATION
    Inventors: Kenta NISHIJIMA, Tatsuki HASEGAWA
  • Patent number: 10336876
    Abstract: The present invention is a long gas barrier laminate including a base, a functional layer, a smoothing layer, and a gas barrier layer, the functional layer being stacked on one side of the base, the smoothing layer and the gas barrier layer being sequentially stacked on the other side of the base, and a coefficient of static friction between a surface of the functional layer that is situated opposite to the base and a surface of the gas barrier layer that is situated opposite to the base being 0.35 to 0.80; and a method for producing the long gas barrier laminate.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: July 2, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Wataru Iwaya, Koichi Nagamoto, Satoshi Naganawa, Yuuta Suzuki, Takeshi Kondo
  • Patent number: 10323317
    Abstract: The present invention is a gas barrier laminate comprising a base and a gas barrier unit, the gas barrier unit comprising at least two inorganic layers, at least one of the at least two inorganic layers being a silicon oxynitride layer, the silicon oxynitride layer including a composition-gradient region that has a thickness of 25 nm or more, the composition-gradient region being a region in which a content ratio of oxygen decreases and a content ratio of nitrogen increases in a thickness direction toward the base, and a ratio of the thickness of the composition-gradient region to the thickness of the entire silicon oxynitride layer being 0.15 or more. The present invention also relates to: an electronic device member that includes the gas barrier laminate, and an electronic device that includes the electronic device member.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 18, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Yuuta Suzuki, Wataru Iwaya, Koichi Nagamoto, Takeshi Kondo
  • Patent number: 10326106
    Abstract: The present invention is a sealing sheet comprising at least a base resin layer and a sealing resin layer, the base resin layer having a microstructure that is provided to one surface of the base resin layer, the sealing resin layer being provided on a side of the base resin layer on which the microstructure is provided, and the microstructure having a protrusion that has a maximum difference in height (H) of 1 to 50 ?m and is arranged two-dimensionally on the surface of the base resin layer, and an electronic device member, and an electronic device. The sealing sheet according to the invention exhibits an excellent gas barrier capability that suppresses or reduces the entry of a gas (e.g., water vapor) not only in the vertical direction, but also in the horizontal direction (from the edge) with respect to the surface of the sealing sheet.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: June 18, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Tsutomu Hara, Takeshi Kondo, Emi Fuchi
  • Patent number: 10315394
    Abstract: The substrate for surface protective sheet of the present invention is a substrate for surface protective sheet including a support film and an antistatic layer provided on one face of the support film, wherein a stress relaxation rate of the substrate for surface protective sheet is 60% or more; the antistatic layer is one formed by curing an antistatic layer-forming composition containing a curing component and a metal filler; and the content of a metal filler is 55 mass % or more relative to the total mass of the curing component and the metal filler, and the curing component includes a urethane acrylate oligomer.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: June 11, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Keishi Fuse, Kazuyuki Tamura, Shigeto Okuji
  • Patent number: 10315923
    Abstract: A sheet manufacturing device includes: a holder configured to hold a grown form of carbon nanotubes; a drawing unit configured to draw the carbon nanotubes from the grown form held by the holder; and a support unit configured to support the carbon nanotubes drawn by the drawing unit, the drawing unit including: a single drawing member configured to draw the carbon nanotubes; and a movable unit configured to move the drawing member, the drawing unit bringing the drawn carbon nanotubes to be supported by the support unit.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: June 11, 2019
    Assignees: LINTEC OF AMERICA INC., LINTEC CORPORATION
    Inventors: Raquel Ovalle, Carter Haines
  • Patent number: 10308850
    Abstract: The present invention is a curable composition comprising a component (A) and a component (B), the curable composition producing a cured product that has a solid-state Si nuclear magnetic resonance spectrum in which a peak is observed within a range from ?80 ppm or more to less than ?40 ppm, and a half-width of the peak is 500 to 900 Hz, the component (A) being a curable polysilsesquioxane compound that comprises a repeating unit represented by a formula (a-1), R1SiO3/2??(a-1) the component (B) being at least one silane coupling agent selected from a group consisting of a silane coupling agent that comprises a nitrogen atom in its molecule, and a silane coupling agent that comprises an acid anhydride structure in its molecule, and a method for producing the curable composition, and a cured product, and a method for using the curable composition, and an optical device.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: June 4, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Mikihiro Kashio, Masami Matsui, Yae Ishikawa, Hidekazu Nakayama
  • Patent number: 10310367
    Abstract: Provided is a projection screen which can effectively diffuse incident light coming from a wide angle, despite that the number of laminated sheets of a light diffusion control film is small such as 3 to 4 sheets, and can thereby provide a wide viewing angle even if the projection screen is applied to a large-sized screen. Disclosed is a projection screen having a light diffusion control plate, the light diffusion control plate being formed by laminating a plurality of sheets of a light diffusion control film, the light diffusion control film being a light diffusion control film having a single light diffusion layer having a first internal structure and a second internal structure sequentially from the lower part along the film thickness direction, in which the first internal structure is a predetermined louver structure, and the second internal structure is a predetermined columnar structure.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: June 4, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Kentaro Kusama, Baku Katagiri