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公开(公告)号：US10455951B2
公开(公告)日：2019-10-29
申请号：US15547996
申请日：2016-02-05
IPC分类号： A47C31/00 , A47C27/00 , A61B5/00 , C08G18/32 , G01L1/24 , A61G7/05 , A61B5/11 , C08G18/76 , C08J5/18 , A47C17/04 , A61G7/015
摘要： The cushioning material having a sensor 1 includes a resin sheet 4 composed of photoelastic resin, a cushioning material 21 laminated on the resin sheet 4, a photosensor 15 including a light generating unit 5 and a light receiving unit 8 that are disposed to face each other so as to sandwich the resin sheet 4, and a processor 3 that detects a stress applied to the resin sheet 4 based on the light signal detected by the photosensor 15.
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22.发明授权公开(公告)号：US09937688B2
公开(公告)日：2018-04-10
申请号：US15036076
申请日：2014-12-03
发明人： Tetsuo Yoshida , Yoshiro Tajitsu , Atsuko Kato , Tomoka Yoshimura
IPC分类号： B32B27/08 , B32B27/36 , B32B37/15 , H01L41/45 , H01L41/193 , H01L41/333 , B29C47/00 , B29C47/06 , H01L41/113 , H01L41/09 , B29K67/00
CPC分类号： B32B27/08 , B29C47/0004 , B29C47/0021 , B29C47/0066 , B29C47/065 , B29K2067/046 , B32B27/36 , B32B37/153 , B32B2307/20 , B32B2307/516 , B32B2307/72 , B32B2457/00 , H01L41/0986 , H01L41/113 , H01L41/193 , H01L41/333 , H01L41/45
摘要： The object of the present invention is to provide a laminated film made of polylactic acids which is not prone to delamination while having excellent piezoelectric properties and a manufacturing method thereof. That is, the present invention is obtained by the stretched laminated film manufactured by a co-extrusion process for use in piezoelectric polymer materials, containing a layer (A) which has poly-L-lactic acid as the primary component and contains an impact modifier in the range of 0.1 to 10 mass % and a layer (B) which has poly-D-lactic acid as the primary component and contains an impact modifier in the range of 0.1 to 10 mass %.
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公开(公告)号：US09343653B2
公开(公告)日：2016-05-17
申请号：US14376812
申请日：2013-01-28
发明人： Shingo Kaimori , Jun Sugawara , Yoshiro Tajitsu
IPC分类号： H01L41/09 , H01L41/193 , H01L41/45 , H01L41/113 , H01L41/257 , C08J9/36 , B32B7/02 , B32B7/12 , B32B27/08 , B32B27/32
CPC分类号： H01L41/193 , B32B7/02 , B32B7/12 , B32B27/08 , B32B27/322 , B32B2307/20 , B32B2307/306 , B32B2307/412 , B32B2457/00 , C08J9/365 , C08J2327/18 , C08J2429/10 , H01L41/1132 , H01L41/257 , H01L41/45 , Y10T428/249975
摘要： There is provided a piezoelectric element, including: a porous fluororesin film made of a first fluororesin; and a nonporous fluororesin layer stacked on at least one surface of the porous fluororesin film and made of a second fluororesin, wherein the first fluororesin is different in type from the second fluororesin, and when 50 pores are selected in descending order from a pore having the longest thickness-direction length, of pores present in a cut surface of the porous fluororesin film in a thickness direction, an average value A50 of thickness-direction lengths of the 50 pores is 3 μm or smaller.
摘要翻译： 提供一种压电元件，包括：由第一氟树脂制成的多孔氟树脂膜; 和在多孔氟树脂膜的至少一个表面上堆叠并由第二氟树脂制成的无孔氟树脂层，其中第一氟树脂的类型与第二氟树脂不同，并且当从具有第二氟树脂的孔中降序选择50个孔时 在多孔氟树脂膜的厚度方向的切断面中存在的孔的最长厚度方向长度，50个孔的厚度方向长度的平均值A50为3μm以下。
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公开(公告)号：US20150015120A1
公开(公告)日：2015-01-15
申请号：US14376812
申请日：2013-01-28
发明人： Shingo Kaimori , Jun Sugawara , Yoshiro Tajitsu
IPC分类号： H01L41/193 , C08J9/36
CPC分类号： H01L41/193 , B32B7/02 , B32B7/12 , B32B27/08 , B32B27/322 , B32B2307/20 , B32B2307/306 , B32B2307/412 , B32B2457/00 , C08J9/365 , C08J2327/18 , C08J2429/10 , H01L41/1132 , H01L41/257 , H01L41/45 , Y10T428/249975
摘要： There is provided a piezoelectric element, including: a porous fluororesin film made of a first fluororesin; and a nonporous fluororesin layer stacked on at least one surface of the porous fluororesin film and made of a second fluororesin, wherein the first fluororesin is different in type from the second fluororesin, and when 50 pores are selected in descending order from a pore having the longest thickness-direction length, of pores present in a cut surface of the porous fluororesin film in a thickness direction, an average value A50 of thickness-direction lengths of the 50 pores is 3 μm or smaller.
摘要翻译： 提供一种压电元件，包括：由第一氟树脂制成的多孔氟树脂膜; 和在多孔氟树脂膜的至少一个表面上堆叠并由第二氟树脂制成的无孔氟树脂层，其中第一氟树脂的类型与第二氟树脂不同，并且当从具有第二氟树脂的孔中降序选择50个孔时 在多孔氟树脂膜的厚度方向的切断面中存在的孔的最长厚度方向长度，50个孔的厚度方向长度的平均值A50为3μm以下。
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公开(公告)号：US11723280B2
公开(公告)日：2023-08-08
申请号：US16490154
申请日：2018-03-01
IPC分类号： H01L41/193 , H10N30/857 , B06B1/02
CPC分类号： H10N30/857 , B06B1/0292
摘要： An electretized film of the present invention includes a cyclic olefin polymer, in which the electretized film is a non-porous film, and a piezoelectric constant d33 in a thickness direction, which is measured by applying a pressing force to the electretized film in the thickness direction, under conditions of a load of 0.5 N, a dynamic load of ±0.25 N, a frequency of 110 Hz, a temperature of 23° C., and a humidity of 50%, is equal to or more than 100 pC/N.
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公开(公告)号：US09184372B2
公开(公告)日：2015-11-10
申请号：US14451585
申请日：2014-08-05
发明人： Mitsunobu Yoshida , Shunsuke Fujii , Hitoshi Onishi , Yoshiro Tajitsu , Taizo Nishimoto , Kazuhiro Tanimoto , Kenichi Goto
IPC分类号： H01L41/193 , C08L67/04 , H01L41/45 , B29C55/00 , B29C55/04 , B29C71/00 , B29C71/02 , H01L41/18 , C08L27/16 , B29K67/00 , B29K105/00 , B29L7/00 , B29L31/34
CPC分类号： H01L41/193 , B29C55/005 , B29C55/04 , B29C71/0009 , B29C71/02 , B29C2071/022 , B29K2067/046 , B29K2105/256 , B29K2995/0003 , B29K2995/0026 , B29K2995/004 , B29K2995/0051 , B29K2995/0088 , B29L2007/002 , B29L2031/34 , C08L27/16 , C08L67/04 , H01L41/183 , H01L41/45
摘要： A piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 40% to 80%; a transmission haze with respect to visible light of 50% or less; and a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 μm, of from 40 to 700.
摘要翻译： 一种压电聚合物材料，其包含重均分子量为50,000〜1,000,000的螺旋手性聚合物和光学活性，所述压电聚合物材料具有通过DSC法从40％至80％得到的结晶度; 相对于可见光的透射雾度为50％以下; 以及用参考厚度为50μm的微波透射型分子取向仪测定的结晶度和标准化分子取向MORc的乘积为40〜700。
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公开(公告)号：US20150295163A1
公开(公告)日：2015-10-15
申请号：US14439394
申请日：2013-10-29
发明人： Tetsuya Komeda , Yuki Yamanaka , Yoshiro Tajitsu
IPC分类号： H01L41/193 , D06N3/04 , D06N3/00
CPC分类号： H01L41/193 , D06N3/0006 , D06N3/0011 , D06N3/0056 , D06N3/047 , D06N2201/029 , D06N2203/044 , D06N2205/20 , D06N2209/04 , D06N2213/02 , H01G7/02 , H01G7/028 , H01L41/0533 , H01L41/183 , H01L41/37
摘要： A piezoelectric stack includes a porous resin sheet, and a surface coating layer disposed on an exterior surface of the porous resin sheet, the exterior surface including at least one of a front surface and a back surface of the porous resin sheet, the surface coating layer having a volume resistivity of not less than 1×1013 Ω·cm, the porous resin sheet and the surface coating layer having different elastic moduli.
摘要翻译： 压电堆叠包括多孔树脂片和设置在多孔树脂片的外表面上的表面涂层，所述外表面包括多孔树脂片的前表面和后表面中的至少一个，表面涂层 体积电阻率不小于1×1013＆OHgr·cm，多孔树脂片和表面涂层具有不同的弹性模量。
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公开(公告)号：US20150280102A1
公开(公告)日：2015-10-01
申请号：US14434874
申请日：2013-10-10
申请人： TEIJIN LIMITED , KANSAI UNIVERSITY
IPC分类号： H01L41/08 , H01L41/113
CPC分类号： H01L41/082 , G01L1/16 , G06F3/0414 , H01L41/087 , H01L41/0986 , H01L41/1132 , H01L41/193 , H01L41/29 , H01L41/45 , H02N2/18
摘要： A fibrous or cloth piezoelectric element capable of extracting an electric output with relatively small stress produced by rubbing the surface with a finger. The piezoelectric element includes a piezoelectric unit including two conductive fibers and one piezoelectric fiber, all of which are arranged substantially on the same plane while they have contact points between them.
摘要翻译： 一种纤维或布压电元件，其能够通过用手指摩擦表面而产生的相对较小的应力来提取电输出。 压电元件包括一个包括两个导电纤维和一个压电纤维的压电单元，它们都基本位于相同的平面上，同时它们之间具有接触点。
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