Patents Assigned to Dexerials Corporation
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Patent number: 11693156Abstract: There is provided a novel, improved optical body, the micro concave-convex structure of which can be protected without the use of a protective film, a film adhesive body, and a method for manufacturing an optical body, the optical body including: an optical film, on one surface of which is formed a first micro concave-convex structure in which an average cycle of concavities and convexities is less than or equal to a visible light wavelength; and a master film that covers the first micro concave-convex structure. The master film is provided with a second micro concave-convex structure formed on a surface that faces the first micro concave-convex structure, the second micro concave-convex structure is made of a cured curing resin, and has a reverse shape of the first micro concave-convex structure, and the optical film and the master film are separable from each other.Type: GrantFiled: June 18, 2015Date of Patent: July 4, 2023Assignee: DEXERIALS CORPORATIONInventor: Shunichi Kajiya
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Patent number: 11692118Abstract: A thermally conductive resin composition capable of maintaining high thermal conductivity and a thermally conductive sheet using the same, a thermally conductive resin composition contains an addition reaction type silicone resin, a thermally conductive filler, an alkoxysilane compound, and a carbodiimide compound in which a subcomponent is in an inactive state with respect to an alkoxysilane compound, and contains 55 to 85% by volume of the thermally conductive filler. A thermally conductive resin composition contains an addition reaction type silicone resin, an alkoxysilane compound, a thermally conductive filler, and a carbodiimide compound in which a subcomponent is in an inactive state with respect to the alkoxysilane compound, and exhibits thermal conductivity of 5 W/m*K or more after curing.Type: GrantFiled: May 24, 2021Date of Patent: July 4, 2023Assignee: DEXERIALS CORPORATIONInventor: Masayuki Matsushima
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Patent number: 11685137Abstract: An anisotropic conductive film which suppresses occurrence of short circuit at the time of anisotropic conductive connection, prevents reduction in capturing capability of electrically conductive particles, enables favorable pushing of electrically conductive particles and exhibits not only favorable initial conductivity but also favorable conduction reliability, contains a first electrically conductive particle group and a second electrically conductive particle group, each including a plurality of electrically conductive particles, in an insulating binder. The first electrically conductive particle group and the second electrically conductive particle group are present in a first region and a second region, respectively, which differ from each other in the thickness direction of the anisotropic conductive film and are parallel to the plane direction.Type: GrantFiled: October 6, 2016Date of Patent: June 27, 2023Assignee: DEXERIALS CORPORATIONInventors: Hiromi Kubode, Yasushi Akutsu, Reiji Tsukao
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Publication number: 20230191392Abstract: Provided is a test chip capable of significantly suppressing unevenness in the color development. The test chip includes a sheet shape and includes a first layer on a front side and a second layer on a back side, wherein the first layer and the second layer are located adjacent to each other. One of the first layer and the second layer has a liquid receiving section A. The first layer has at least a detection confirmation section B. The second layer has at least a liquid flow section D adjacent to the detection confirmation section B and a liquid passage E connected to the liquid flow section D.Type: ApplicationFiled: April 1, 2021Publication date: June 22, 2023Applicant: Dexerials CorporationInventors: Takuya MONJU, Motoki SUMA
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Publication number: 20230197392Abstract: A protective element includes a fuse element, a movable member, a concave member, and a press. The fuse member includes, a first end, a second end, and a cut part positioned between the first end and the second end. The fuse element is energized in a first direction from the first end to the second end. The movable member and the concave member are disposed facing each other such that the cut part is interposed therebetween. The press applies a force to the movable member in a pressing direction in which a distance between the movable member and the concave member shortens. At a temperature at or above a softening temperature of the fuse element, the cut part is cut by the force of the press.Type: ApplicationFiled: May 26, 2021Publication date: June 22, 2023Applicant: DEXERIALS CORPORATIONInventors: Yutaka WADA, Yoshihiro YONEDA
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Publication number: 20230198186Abstract: A connection body capable of achieving fine pitch and miniaturization, and a method of manufacturing the connection body. A connection body includes: a substrate having a first terminal array; a connector having second terminal array; and an adhesive layer formed by curing a thermosetting connection material connecting the first terminal array and the second terminal array, wherein the second terminal array is disposed on the bottom surface of the connector and forms a level difference canceling portion for canceling a level difference in the bottom surface, and wherein the thermosetting connection material contains solder particles and a flux component. Thus, the first terminal array and the second terminal array can be connected, so that the terminal array can be made to have a fine pitch, and the connected body can be miniaturized.Type: ApplicationFiled: March 18, 2021Publication date: June 22, 2023Applicant: DEXERIALS CORPORATIONInventors: Ryosuke ODAKA, Ryo ITO, Hiroyuki KUMAKURA, Tomoyuki ABE, Daisuke SATO, Katsuhisa ORIHARA, Kazuhisa AOKI
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Publication number: 20230182349Abstract: There are provided a master and a method for manufacturing the master, the master having, on its outer peripheral surface, a concave-convex structure in which concavities or convexities are continuously arranged with high precision. The master includes: a substrate with a hollow cylindrical shape or cylindrical shape; and a concave-convex structure on an outer peripheral surface of the substrate. The concave-convex structure has concavities or convexities continuously arranged at a predetermined pitch in a circumferential direction of the substrate. The concavities or convexities are arranged with a predetermined phase difference between circumferential rows adjacent in an axial direction of the substrate.Type: ApplicationFiled: February 7, 2023Publication date: June 15, 2023Applicant: DEXERIALS CORPORATIONInventors: Yutaka MURAMOTO, Masanao KIKUCHI
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Patent number: 11675225Abstract: An optical device manufacturing method and an optical device capable of forming a desired cured resin layer regardless of shapes of cover members. The method includes closely laminating a cover member having an opening onto a mold member having a fitting projection which fits to the opening so that the fitting projection is fitted to the opening to form a hollow laminated body capable of being filled with a curable resin; filling the hollow portion of the laminated body with the curable resin; curing the curable resin to form a cured resin layer on the cover member; peeling off the mold member from the cover member; and bonding the cured resin layer and an optical member.Type: GrantFiled: February 7, 2018Date of Patent: June 13, 2023Assignee: DEXERIALS CORPORATIONInventor: Takao Hashimoto
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Publication number: 20230176263Abstract: A pseudo random dot pattern is easily created by a geometric approach. A pseudo random dot pattern 1A is created by arranging zigzag arrangements R at a predetermined pitch in an x direction on an xy plane while periodically altering positions thereof in a y direction, the zigzag arrangements R each including an arrangement Rb and an arrangement Rc repeatedly provided at predetermined intervals in the y direction, the arrangement Rb including dots arranged at a positive inclination, the arrangement Rc including dots arranged at a negative inclination.Type: ApplicationFiled: February 6, 2021Publication date: June 8, 2023Applicant: DEXERIALS CORPORATIONInventor: Reiji TSUKAO
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Publication number: 20230159797Abstract: An anisotropic conductive film, capable of connecting a terminal formed on a substrate having a wavy surface such as a ceramic module substrate with conduction characteristics stably maintained, includes an insulating adhesive layer, and conductive particles regularly arranged in the insulating adhesive layer as viewed in a plan view. The conductive particle diameter is 10 ?m or more, and the thickness of the film is 1 or more times and 3.5 or less times the conductive particle diameter. The variation range of the conductive particles in the film thickness direction is less than 10% of the conductive particle diameter.Type: ApplicationFiled: January 18, 2023Publication date: May 25, 2023Applicant: DEXERIALS CORPORATIONInventors: Daisuke SATO, Yasushi AKUTSU, Ryousuke ODAKA, Yusuke TANAKA
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Patent number: 11650445Abstract: Provided are a method for manufacturing a transparent panel formed with a wall member having high accuracy, a uniform height from a surface to adhere to an optical member, and smoothness. This method comprises: a step of preparing a transparent panel 4 for an optical device 1 to be bonded to an optical member 2; a step of forming a mask layer 15 so as to form an opening 6 along a periphery of an outer shape of the transparent panel 4; a step of applying a curable resin material 7 to the opening 6 and the mask layer 15; a step of pressing a flat plate 10 against the curable resin material 7; a step of curing the resin composition 7 to form a cured resin layer 11; a step of detaching the flat plate 10; and a step of removing the mask layer 15 together with the cured resin layer 11 formed on the mask layer 15 to obtain a wall member 12 along the periphery of the outer shape of the transparent panel 4.Type: GrantFiled: September 11, 2018Date of Patent: May 16, 2023Assignee: DEXERIALS CORPORATIONInventor: Yoshikazu Nagasawa
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Publication number: 20230146486Abstract: A protection element includes: an insulating substrate; a fuse element provided on the insulating substrate; a heating element to blow the fuse element; a heating element power supply electrode; a first extraction electrode leading from the heating element power supply electrode and connected to a first end of the heating element; an intermediate electrode connected to the fuse element; a heating element connecting electrode connecting the heating element and the intermediate electrode; a second extraction electrode leading from the heating element connection electrode and connected to a second end of the heating element; and an insulating layer that covers the heating element, the first extraction electrode, and the second extraction electrode, and on which the intermediate electrode is laminated. The intermediate electrode does not overlap with the first extraction electrode and overlaps with the second extraction electrode with the insulating layer interposed therebetween.Type: ApplicationFiled: April 15, 2021Publication date: May 11, 2023Applicant: DEXERIALS CORPORATIONInventors: Yuji KIMURA, Chisato KOMORI
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Patent number: 11644605Abstract: A polarizing element has a wire grid structure, and includes a transparent substrate, and projections, which are arrayed on the main surface of the substrate at a pitch p40 that is narrower than the wavelength of the light in the used light region, and extend along the Y-direction. The projections have a laminated structure in which two or more sets of a dielectric layer and a conductive layer are laminated alternately along the Z-direction. The conductive layers include a first conductive layer having absorption properties relative to the light in the used light region and a second conductive layer having reflective properties relative to the light in the used light region. The first conductive layer is provided as the conductive layer closest to the incident side of the light.Type: GrantFiled: November 18, 2019Date of Patent: May 9, 2023Assignee: DEXERIALS CORPORATIONInventors: Tomu Takeda, Hideto Sagawa
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Publication number: 20230128723Abstract: A method for fabricating an imprint master 1 comprises a first forming step of forming micro-protrusion-and-recess structures 23 having a first average pitch on one surface of a substrate 10 and a second forming step of forming main recesses 21 or main protrusions 22 having a second average pitch larger than the first average pitch on the one surface of the substrate 10 having the micro-protrusion-and-recess structures 23 formed thereon, in a manner maintaining a shape of at least a portion of the micro-protrusion-and-recess structures 23 in the main recesses 21 or the main protrusions 22 while the main recesses 21 or the main protrusions 22 are being formed.Type: ApplicationFiled: March 17, 2021Publication date: April 27, 2023Applicant: Dexerials CorporationInventor: Masanao KIKUCHI
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Publication number: 20230132244Abstract: Provided are a face shield that can easily be combined and used with various masks and a mask-equipped face shield. A face shield 1-1 is the face shield 1-1 that is attachable/detachable to/from a mask 2, and covers at least an eye of a face of a user who wears the mask 2. The face shield 1-1 is made of a film 101-1 having flexibility and translucency. At least a pair of cut lines 102L and 102R through which straps 202 of the mask 2 can be inserted are formed in both left and right parts of the face shield 1-1. The cut lines 102 have engagement parts 102a and 102b to be engaged with the straps 202 inserted through the cut lines 102.Type: ApplicationFiled: April 23, 2021Publication date: April 27, 2023Applicant: DEXERIALS CORPORATIONInventors: Shinya SUZUKI, Chihiro NISHIKAWA
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Publication number: 20230126879Abstract: Provided is a roll mold that has a plurality of linear grooves arranged side by side on its outer peripheral surface and in which an optical step between adjacent linear grooves is sufficiently small. A roll mold comprising, on an outer peripheral surface thereof, n linear grooves extending in a roll axial direction or a direction inclined with respect to the roll axial direction and arranged side by side, where n is 800 or more, wherein the n linear grooves are arranged in a manner that a gradual decrease and a gradual increase in groove depth are repeated, and the number of points at which a transition from the decrease to the increase in groove depth occurs is m or less, where m is selected from 2 to 8.Type: ApplicationFiled: April 5, 2021Publication date: April 27, 2023Applicant: Dexerials CorporationInventors: Katsuhiro DOI, Kazuhiko NODA
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Patent number: 11634581Abstract: A thermally conductive resin composition capable of maintaining high thermal conductivity and a thermally conductive sheet using the same. A thermally conductive resin composition contains: an addition reaction type silicone resin; a hindered phenol-based antioxidant; a thiol-based antioxidant; a dispersant having a hydrophilic functional group and a silicone chain; and a thermally conductive filler, wherein the thermally conductive resin composition contains 65 to 90% by volume of the thermally conductive filler.Type: GrantFiled: April 5, 2021Date of Patent: April 25, 2023Assignee: DEXERIALS CORPORATIONInventor: Masayuki Matsushima
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Publication number: 20230124524Abstract: It would be helpful to provide an optical body having excellent antireflection performance over a wide wavelength range from the visible light region to the near-infrared region. The present disclosure discloses an optical body 1 including a transparent substrate 10 and a fine uneven layer 20 with a fine uneven structure in at least one surface of the substrate 10. A maximum value (Ra) of reflectance for light in a wavelength region of 400 nm to 950 nm is 1 % or less, and a wavelength at which the reflectance is at a local minimum value (Rb) is 650 nm or more.Type: ApplicationFiled: March 17, 2021Publication date: April 20, 2023Applicant: Dexerials CorporationInventor: Hiroshi TAZAWA
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Publication number: 20230118485Abstract: An anisotropic conductive film includes conductive particles disposed in an insulating resin layer. Zigzag arrangements are arranged at a predetermined pitch in an x direction on an xy plane in a plan view of the anisotropic conductive film with positions thereof in a y direction being periodically altered. The zigzag arrangements each include an arrangement Rb and an arrangement Rc repeatedly provided at predetermined intervals in the y direction. The arrangement Rb includes the conductive particles arranged at a positive inclination, and the arrangement Rc includes the conductive particles arranged at a negative inclination. This configuration can form a pseudo random regular disposition.Type: ApplicationFiled: February 6, 2021Publication date: April 20, 2023Applicant: DEXERIALS CORPORATIONInventor: Reiji TSUKAO
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Publication number: 20230119906Abstract: Provided are a conductive laminate having low electric resistance and high transmittance over a long period of time, various optical elements provided with the conductive laminate, and a method for manufacturing the conductive laminate. In the conductive laminate 1 according to the present technology, a first transparent material layer 3, a metal layer 4 mainly composed of silver, and a second transparent material layer 5 are laminated on at least one surface of the transparent substrate 2 in this order from the transparent substrate 2 side. The first transparent material layer 3 is composed of a composite metal oxide containing at least zinc and tin and containing 10 atomic % or more and 90 atomic % or less of tin. The second transparent material layer 5 is composed of a metal oxide containing zinc and having a tin content of 10 atom % or less.Type: ApplicationFiled: February 25, 2021Publication date: April 20, 2023Applicant: DEXERIALS CORPORATIONInventor: Hitoshi WAKO