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    ADSORPTIVE TEMPORARY FIXING SHEET AND METHOD FOR MANUFACTURING SAME
    1.
    发明申请
    ADSORPTIVE TEMPORARY FIXING SHEET AND METHOD FOR MANUFACTURING SAME 审中-公开

    公开(公告)号：US20200030772A1

    公开(公告)日：2020-01-30

    申请号：US16603388

    申请日：2018-01-22

    申请人： NITTO DENKO CORPORATION

    发明人： Toru ISEKI ,  Kohei DOI ,  Mitsuhiro KANADA ,  Kazumichi KATO ,  Hideyuki TOKUYAMA

    IPC分类号： B01J20/26 ,  B01J20/28 ,  B01J20/30 ,  C09J7/10 ,  H01L21/683

    摘要： Provided is an adsorption temporary fixing sheet having a sufficient shear adhesive strength in a direction parallel to its surface, and having a weak adhesive strength in a direction vertical to the surface. Also provided is a method of producing such adsorption temporary fixing sheet. The adsorption temporary fixing sheet includes a foam layer including an open-cell structure, wherein, when a silicon chip vertical adhesive strength of a surface of the foam layer after 20 hours at each of such different temperatures as −40° C., 23° C., or 125° C. is represented by V1 (N/1 cm□), V2 (N/1 cm□), or V3 (N/1 cm□) and when a silicon chip shearing adhesive strength of the surface of the foam layer after 20 hours at each of the different temperatures (−40° C., 23° C., or 125° C.) is represented by H1 (N/1 cm□), H2 (N/1 cm□), or H3 (N/1 cm□), relationships of V1

    FOAMED SHEET, ELECTRIC OR ELECTRONIC DEVICE, AND DEVICE WITH TOUCH SCREEN
    3.
    发明申请
    FOAMED SHEET, ELECTRIC OR ELECTRONIC DEVICE, AND DEVICE WITH TOUCH SCREEN 有权

    公开(公告)号：US20210178734A1

    公开(公告)日：2021-06-17

    申请号：US16322776

    申请日：2017-07-06

    申请人： NITTO DENKO CORPORATION

    发明人： Kazumichi KATO ,  Hideyuki TOKUYAMA

    IPC分类号： B32B27/06 ,  G06F3/041 ,  C08J9/30

    摘要： There is provided a foamed sheet having the excellent impact absorbability and the excellent resistance to repetitive impacts. The foamed sheet of the present invention has an average cell diameter of 10 to 200 μm, a resiliency of 6.0 N/cm2 or less when compressed to 50% of an original thickness thereof, and a thickness recovery rate defined by the following equation of 90% or more: thickness recovery rate (%)=(thickness 0.5 seconds after compressed state is released)/(original thickness)×100 original thickness: a thickness of the foamed sheet before a load is applied, thickness 0.5 seconds after compressed state is released: a thickness of the foamed sheet after a compressed state in which a load of 100 g/cm2 is applied to the foamed sheet is kept for 120 seconds followed by release of the foamed sheet from the compression and an elapse of 0.5 seconds from the release.

    PRESSURE-SENSITIVE ADHESIVE SHEET
    4.
    发明公开
    PRESSURE-SENSITIVE ADHESIVE SHEET 审中-公开

    公开(公告)号：US20240343949A1

    公开(公告)日：2024-10-17

    申请号：US18294708

    申请日：2021-12-16

    申请人： NITTO DENKO CORPORATION

    发明人： Kazumichi KATO ,  Shusaku UENO ,  Takamasa HIRAYAMA

    IPC分类号： C09J7/38 ,  C09J133/08

    CPC分类号： C09J7/385 ,  C09J133/08 ,  C09J2203/326 ,  C09J2301/312 ,  C09J2467/006

    摘要： A pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer of which adhesive face has wettability difficult to change even when exposed to an atmospheric environment, and on which positional deviation or drop is difficult to occur in conveying an electronic component. The pressure-sensitive adhesive layer has an adhesive face protected by a release liner and has a displacement of water contact angles θ1 and θ2 against the adhesive face 10a under the following conditions T1 and T2 of 5° or less:



    T1: immediately after separating the release liner R1 under an environment of 23° C.
    T2: after 2 hour exposure of the adhesive face 10a to an atmospheric environment after separating the release liner R1 under an environment of 23° C.
    θ1: water contact angle (°) of the adhesive face 10a under T1
    θ2: water contact angle (°) of the adhesive face 10a under T2






    Displacement R(°)=θ2−θ1.

    ADSORPTIVE TEMPORARY FIXING SHEET
    8.
    发明申请
    ADSORPTIVE TEMPORARY FIXING SHEET 审中-公开

    公开(公告)号：US20200255711A1

    公开(公告)日：2020-08-13

    申请号：US16648044

    申请日：2018-06-11

    申请人： NITTO DENKO CORPORATION

    发明人： Toru ISEKI ,  Kazumichi KATO ,  Hideyuki TOKUYAMA ,  Mitsuhiro KANADA

    IPC分类号： C09J183/04 ,  C09J11/04 ,  C08J9/30 ,  C08J9/00

    摘要： Provided is an adsorption temporary fixing sheet having a sufficient shear adhesive strength in a direction parallel to its surface, having a weak adhesive strength in a direction vertical to the surface, and having excellent antistatic performance. The adsorption temporary fixing sheet includes a foam layer including an open-cell structure, and has a surface resistivity of from 1.0×104 to 1.0×1010Ω/□, wherein, when a silicon chip vertical adhesive strength of a surface of the foam layer after 18 hours at each of such different temperatures as −30° C., 23° C., or 80° C. is represented by V1, V2, or V3 (N/1 cm□), and when a silicon chip shearing adhesive strength of the surface of the foam layer after 18 hours at each of such different temperatures as −30° C., 23° C., or 80° C. is represented by H1, H2, or H3 (N/1 cm□), relationships of V1

    RESIN FOAM SHEET AND RESIN FOAM MEMBER
    10.
    发明申请
    RESIN FOAM SHEET AND RESIN FOAM MEMBER 审中-公开
    树脂泡沫板和树脂泡沫成员

    公开(公告)号：US20130224434A1

    公开(公告)日：2013-08-29

    申请号：US13777606

    申请日：2013-02-26

    申请人： NITTO DENKO CORPORATION

    发明人： Itsuhiro HATANAKA ,  Makoto SAITOU ,  Kazumichi KATO

    IPC分类号： C08L23/12

    CPC分类号： C08L23/12 ,  C08L23/10 ,  C08L2201/02 ,  C08L2203/14 ,  C09J7/26 ,  C09J2201/606 ,  Y10T428/24273 ,  Y10T428/24331 ,  C08L23/16

    摘要： Disclosed is a resin foam sheet which has a low apparent density, is thin and flexible, and can be wound satisfactorily stably. The resin foam sheet has an apparent density of 0.02 to 0.30 g/cm3, a tensile strength of 0.5 to 3.0 MPa, a thickness of 0.20 to 0.70 mm, a length of 5 m or more, and a width of 300 mm or more and has openings on both sides. The resin foam sheet preferably has a value of 30% or less determined according to following Expression (1): (Thickness tolerance)/(Median thickness)×100  (1)

    摘要翻译： 公开了一种表观密度低，薄而柔软的树脂发泡片，并且可以令人满意地稳定地卷绕。 树脂发泡体片的表观密度为0.02〜0.30g / cm 3，拉伸强度为0.5〜3.0MPa，厚度为0.20〜0.70mm，长度为5μm以上，宽度为300mm以上， 双方有开口。 树脂发泡体片材优选为根据下述式（1）确定的30％以下的值：（厚度公差）/（中值厚度）×100（1）