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1.发明申请公开(公告)号：US20180020284A1
公开(公告)日：2018-01-18
申请号：US15552947
申请日：2016-02-22
Applicant: NITTO DENKO CORPORATION
Inventor： Bunta HIRAI , Satoru FURUYAMA , Masaaki MORI , Hajime YAMAMOTO
CPC classification number: H04R1/2811 , H04R1/10 , H04R1/28 , H04R1/2823 , H04R1/2869
Abstract: An acoustic resistor for use in an audio device includes a resin film having air permeability in a thickness direction of the resin film, and the resin film is a non-porous film having through holes formed to extend straight through the resin film in the thickness direction. This acoustic resistor is used in an audio device including: a transducing part that performs conversion between sound and an electrical signal and that includes an acoustic element; a housing enclosing the transducing part and having at least one opening; and a passage for gas that is present inside the housing and communicates with the opening and in which the acoustic element is placed. The acoustic resistor is placed between the opening and the acoustic element in the passage. The variation in properties of the acoustic resistor of the present disclosure can be made smaller than that of conventional acoustic resistors.
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公开(公告)号：US20160304679A1
公开(公告)日：2016-10-20
申请号：US14778482
申请日：2014-03-26
Applicant: NITTO DENKO CORPORATION
Inventor： Satoru FURUYAMA , Yuuzou MURAKI , Yozo NAGAI , Ichiro AMINO , Yosuke YURI , Takahiro YUYAMA , Tomohisa ISHIZAKA , Ikuo ISHIBORI , Ken-ichi YOSHIDA , Yasunari MAEKAWA , Hiroshi KOSHIKAWA , Tetsuya YAMAKI , Masaharu ASANO
CPC classification number: C08J5/18 , C08J7/123 , C08J2300/20
Abstract: The method of the present disclosure includes: (I) irradiating a polymer film (1) with an ion beam composed of ions (2) accelerated in a cyclotron so as to form a polymer film that has collided with the ions in the beam; and (II) chemically etching the polymer film formed in the irradiation (I) so as to form openings (4b) and/or through holes (4a) corresponding to tracks (3) left by the colliding ions in the polymer film. In the irradiation (I), a beam current value of the ion beam is detected upstream and/or downstream of the polymer film in a path of the ion beam, and an irradiation conditioning factor in the irradiation of the polymer film with the ion beam is controlled based on the detected beam current value so that the polymer film can be irradiated with the ions at a predetermined irradiation density. The method of the present disclosure is suitable for industrial production of porous polymer films.
Abstract translation: 本公开的方法包括：（I）用在回旋加速器中加速的离子（2）组成的离子束照射聚合物膜（1），以形成与梁中的离子相撞的聚合物膜; 和（II）化学蚀刻在照射（I）中形成的聚合物膜，从而形成与聚合物膜中的碰撞离子留下的轨道（3）相对应的开口（4b）和/或通孔（4a）。 在照射（I）中，在离子束的路径中在聚合物膜的上游和/或下游检测离子束的束电流值，并且在离子束照射聚合物膜时照射调节因子 基于检测到的光束电流值进行控制，使得聚合物膜可以以预定的照射密度照射离子。 本公开的方法适用于工业生产多孔聚合物膜。
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公开(公告)号：US20180315409A1
公开(公告)日：2018-11-01
申请号：US15569573
申请日：2016-04-26
Applicant: NITTO DENKO CORPORATION
Inventor： Naoyuki MATSUO , Satoru FURUYAMA
Abstract: A polymer resin film of the present disclosure has a plurality of through holes extending through the thickness of the polymer resin film. The through holes penetrate a substrate structure of the resin film. The through holes have openings formed in both a first principal surface and a second principal surface of the film. The through holes have a shape in which the area of a cross-section perpendicular to a direction in which the through holes extend is constant from the first principal surface of the film to the second principal surface of the film or increases from the first principal surface toward the second principal surface. The openings in the first principal surface have a diameter of 3 μm or more and 80 μm or less. A variation in a porosity defined by the openings in the first principal surface is 10% or less.
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4.发明申请WATERPROOF GAS-PERMEABLE MEMBRANE, WATERPROOF GAS-PERMEABLE MEMBER AND WATERPROOF GAS-PERMEABLE STRUCTURE INCLUDING SAME, AND WATERPROOF SOUND-PERMEABLE MEMBRANE 审中-公开防水气体渗透膜，防水气体可渗透构件和防水气体包括其的结构以及防水透气膜公开(公告)号：US20160207006A1
公开(公告)日：2016-07-21
申请号：US14914978
申请日：2014-08-29
Applicant: NITTO DENKO CORPORATION
Inventor： Satoru FURUYAMA , Masaaki MORI , Yuichi ABE , Keiko FUJIWARA
CPC classification number: B01D69/12 , B01D67/0032 , B01D67/0088 , B01D69/10 , B01D71/48 , B01D2325/38 , B32B3/04 , B32B3/266 , B32B27/06 , B32B2307/10 , B32B2307/724 , B32B2307/7265 , B32B2307/73 , B32B2457/00 , H04R1/023 , H04R1/086 , H04R2499/11 , H05K5/0213
Abstract: Provided is a waterproof gas-permeable membrane (1) having higher levels of both gas permeability and waterproofness than conventional ones. The waterproof gas-permeable membrane (1) includes: a non-porous resin film (2) having through holes (21a to 21g) formed to extend through the thickness of the resin film (2); and a liquid-repellent layer (3) formed on a principal surface of the resin film (2) and having openings (31) positioned in register with the through holes (21a to 21g). The through holes (21a to 21g) extend straight and have a diameter of 15 μm or less. The through holes (21a to 21g) are distributed at a hole density of 1×103 holes/cm2 or more and 1×109 holes/cm2 or less in the resin film (2). The through holes (21a to 21g) extend in oblique directions with respect to a direction perpendicular to the principal surface of the resin film (2). The through holes (21a to 21g) that extend in different oblique directions are present together.
Abstract translation: 本发明提供一种防水透气膜（1），其比透气性和防水性都高。 防水透气膜（1）包括：具有形成为延伸穿过树脂膜（2）的厚度的通孔（21a至21g）的无孔树脂膜（2）; 以及形成在所述树脂膜（2）的主表面上并且具有与所述通孔（21a〜21g）对准的开口（31）的防液层（3）。 通孔（21a〜21g）直线延伸，直径为15μm以下。 通孔（21a〜21g）在树脂膜（2）中以1×10 3孔/ cm 2以上1×10 9孔/ cm 2以下的孔密度分布。 通孔（21a〜21g）相对于与树脂膜（2）的主面垂直的方向在倾斜方向延伸。 以不同的倾斜方向延伸的通孔（21a〜21g）一起存在。
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公开(公告)号：US20250018350A1
公开(公告)日：2025-01-16
申请号：US18709940
申请日：2022-11-08
Applicant: NITTO DENKO CORPORATION
Inventor： Kodai UEDA , Yu KAMAMOTO , Yuichi TAKAMURA , Satoru FURUYAMA
Abstract: An air-permeable filter includes a porous fluorine resin membrane having one principal surface and the other principal surface, and treated with an oil-repellent agent for oil-repellency. In a measurement of its absorption spectrum by Fourier-transform infrared spectroscopy, an absorbance ratio Rf of the one principal surface and an absorbance ratio Rb of the other principal surface calculated by Aa/Am are not substantially the same. The Aa indicates an absorbance at a peak derived from the oil-repellent agent in the absorption spectrum, and the Am indicates an absorbance at a peak derived from a C—F bond in the absorption spectrum.
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Patent Agency Ranking
公开(公告)号：US20170292000A1
公开(公告)日：2017-10-12
申请号：US15513736
申请日：2015-09-24
Applicant: NITTO DENKO CORPORATION
Inventor： Satoru FURUYAMA , Masaaki MORI , Yozo NAGAI , Yuuzou MURAKI , Toshimitsu TACHIBANA , Hajime YAMAMOTO
IPC: C08J5/18 , C08J7/12 , C08J7/04 , B25J15/06 , H01G4/12 , H05K5/02 , G10K13/00 , B01D71/48 , C04B33/32
CPC classification number: C08J5/18 , B01D71/48 , B01D2325/022 , B01D2325/38 , B25J15/0691 , C04B33/32 , C04B2235/66 , C08J7/04 , C08J7/12 , C08J7/123 , C08J9/00 , C08J2367/02 , G10K13/00 , H01G4/12 , H05K5/0217 , H05K5/06
Abstract: The polymer film of the present invention has through holes extending from one principal surface of the polymer film to the other principal surface of the polymer film. The through holes are straight holes having a central axis extending straight, and have a shape in which the area of a cross-section perpendicular to the direction of the central axis increases from the one principal surface of the polymer film toward the other principal surface. This polymer film has passages in its thickness direction, has an unconventional structure, and can be used in various applications, such as in a waterproof sound-permeable membrane, in a waterproof gas-permeable membrane, and in a suction sheet. The ratio a/b of the opening diameter a of the through holes at the one principal surface to the opening diameter b of the through holes at the other principal surface is 80% or is less than 80%.
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公开(公告)号：US20160289402A1
公开(公告)日：2016-10-06
申请号：US14778498
申请日：2014-03-26
Applicant: NITTO DENKO CORPORATION
Inventor： Satoru FURUYAMA , Yozo NAGAI , Junichi MORIYAMA , Yosuke YURI , Takahiro YUYAMA , Tomohisa ISHIZAKA , Ikuo ISHIBORI , Ken-ichi YOSHIDA , Yasunari MAEKAWA , Hiroshi KOSHIKAWA , Tetsuya YAMAKI , Masaharu ASANO
CPC classification number: C08J5/18 , C08J7/123 , C08J2300/00
Abstract: The method of the present disclosure is a method for producing a porous polymer film including: irradiating a strip-shaped polymer film with an ion beam while moving the polymer film transversely to the ion beam, so as to form a polymer film that has collided with ions in the beam; and chemically etching the formed polymer film so as to form openings and/or through holes corresponding to tracks left by the colliding ions in the polymer film. The ion beam (11) with which the polymer film is irradiated is obtained by folding a tail of an original beam (51) inwardly toward a center of the original beam by nonlinear focusing. The original beam is composed of ions accelerated in a cyclotron and has a cross-sectional intensity distribution profile in which an intensity is maximum at the center of the original beam and continuously decreases from the center toward the tail of the original beam, and the profile is an intensity distribution profile in a cross section perpendicular to a direction of the original beam.
Abstract translation: 本公开的方法是一种多孔聚合物膜的制造方法，包括：在离子束横向移动聚合物膜的同时，用离子束照射带状聚合物膜，形成与 梁中的离子; 并化学蚀刻所形成的聚合物膜，以形成与聚合物膜中的碰撞离子留下的轨道相对应的开口和/或通孔。 聚合物膜照射的离子束（11）通过非原子聚焦将原始光束（51）的尾部朝向原始光束的中心向内折叠而获得。 原始光束由在回旋加速器中加速的离子组成，并且具有横截面强度分布分布，其中在原始光束的中心处的强度最大，并且从原始光束的中心向尾部连续减小，并且轮廓 是垂直于原始光束的方向的横截面中的强度分布分布。
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公开(公告)号：US20180193804A1
公开(公告)日：2018-07-12
申请号：US15741612
申请日：2016-06-01
Applicant: NITTO DENKO CORPORATION
Inventor： Hajime YAMAMOTO , Tsukasa MIYAZAKI , Yuuki TAKEDA , Satoru FURUYAMA
CPC classification number: B01D69/06 , B01D69/00 , B01D71/48 , B01D71/64 , B23K15/00 , B23K15/08 , B29C67/20 , C08J9/00
Abstract: A resin film has through holes formed to extend through the thickness of the resin film. The through holes are pillar-shaped. An average density of the through holes is 1×106 to 1×1012 holes/cm2. An average diameter of the through holes is 1 to 310 nm. A degree of variability of the diameter of the through holes is 30% or less, the degree of variability of the diameter of the through holes obtained by dividing a standard deviation of the diameter of the through holes by the average diameter of the through holes and multiplying the resulting value by 100.
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公开(公告)号：US20180160748A1
公开(公告)日：2018-06-14
申请号：US15576978
申请日：2016-05-27
Applicant: NITTO DENKO CORPORATION
Inventor： Kei YOSHIDA , Satoru FURUYAMA , Hajime OOYA
CPC classification number: A41D13/11 , A62B18/02 , A62B23/025
Abstract: The mask of the present disclosure is adapted to be worn on a face including a main body that covers at least a portion of the face, and the main body includes a resin film having air permeability through the thickness thereof. The resin film is a non-porous film having through holes extending through the thickness of the film. The diameter of the through holes is 0.01 μm or more and 30 μm or less. The density of the through holes in the resin film is 10 holes/cm2 or more and 1×108 holes/cm2 or less. The mask of the present disclosure is completely different in structure from conventional masks, has high flexibility in the design of various properties such as shielding ability, air permeability, transparency, and sound permeability, and is capable, for example, of exhibiting high shielding ability, high air permeability, high transparency, and high sound permeability.
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10.发明申请公开(公告)号：US20180035203A1
公开(公告)日：2018-02-01
申请号：US15552901
申请日：2016-02-22
Applicant: NITTO DENKO CORPORATION
Inventor： Bunta HIRAI , Satoru FURUYAMA , Masaaki MORI , Hajime YAMAMOTO
Abstract: A waterproof sound transmission structure of the present disclosure includes: a wall separating a first space from a second space where water can be present, the wall being provided with a sound transmission port for transmission of sound between the first and second spaces; and a waterproof sound-permeable membrane placed to cover the sound transmission port, the waterproof sound-permeable membrane being adapted to permit transmission of sound between the first and second spaces and being further adapted to prevent ingress of water from the second space into the first space through the sound transmission port. The first space is sealed when the second space is filled with water, the sealed first space having a volume of 300 mm3 or less. The waterproof sound transmission structure of the present disclosure has higher levels of both waterproofness and sound permeability than conventional waterproof sound transmission structures.
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