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31 条记录 (耗时 0.011 秒)

    Magnetic tape
    2.
    发明公开
    Magnetic tape 失效
    磁带

    公开(公告)号：EP0500018A3

    公开(公告)日：1993-05-19

    申请号：EP92102612.6

    申请日：1992-02-17

    申请人： TEIJIN LIMITED

    发明人： Etchu, Masami ,  Hamano, Hisashi ,  Hosoi, Masahiro ,  Saeki, Yasuhiro

    IPC分类号： G11B5/704

    CPC分类号： G11B5/7305 ,  Y10S428/90 ,  Y10T428/24355 ,  Y10T428/31786

    摘要： A magnetic tape for audio cassettes wherein a magnetic layer is provided on base film characterized in that the base film is biaxially oriented polyethylene-2,6-naphthalate film having a Young's modulus in the longitudinal direction of 850 Kg/mm² or more, a Young's modulu in the transverse direction of 550 Kg/mm² or more a surface roughness Ra in the range of 0.015 to 0.040 µm, and a thermal shrinkage rate in the longitudinal direction of 0.3 % or less in case where it was held at a temperature of 100°C for 1 hour. A magnetic tape for audio cassettes is provided which is capable of long-time recording and wherein deterioration of magnetic characteristics does not easily occur in use, storage and the like at a high temperature, for example in the open at summer seasons or in cars, compared to conventional ones.

    Laminated polyester film and magnetic recording medium using it as base film
    5.
    发明公开
    Laminated polyester film and magnetic recording medium using it as base film 失效
    Laminierter聚酯薄膜和薄膜薄膜Alstr Substrat verwendender magnetischerAufzeichnungsträger。

    公开(公告)号：EP0567279A1

    公开(公告)日：1993-10-27

    申请号：EP93303003.3

    申请日：1993-04-19

    申请人： TEIJIN LIMITED

    发明人： Etchu, Masami ,  Hosoi, Masahiro ,  Nishiyama, Masanori ,  Saeki, Yasuhiro

    IPC分类号： G11B5/704 ,  G11B5/64 ,  B32B27/36

    CPC分类号： B32B27/08 ,  B32B27/36 ,  B32B2307/518 ,  B32B2309/105 ,  B32B2429/02 ,  G11B5/73 ,  Y10T428/2495 ,  Y10T428/24975 ,  Y10T428/26 ,  Y10T428/266

    摘要： A laminated polyester film for use in a magnetic recording medium, which comprises (A) a first layer of a first polyester which contains at least 95 mol%, based on the total content of its dicarboxylic acid components, of a 2,6-naphthalenedicarboxylic acid component and whose main recurring unit is composed of ethylene-2,6-naphthalenedicarboxylate, and (B) a second layer of a second polyester containing 93 to 99 mol%, based on the total content of its recurring units, of an ethylene-2,6-naphthalenedicarboxylate recurring unit. The second layer is laminated on at least one surface of two surfaces of the above first layer.

    摘要翻译： 一种用于磁记录介质的叠层聚酯膜，其包含（A）第一聚酯的第一层，其基于二羧酸组分的总含量至少为95摩尔％的2,6-萘二羧酸 酸性成分，其主要重复单元由乙烯-2,6-萘二甲酸酯组成，和（B）第二层含有93〜99摩尔％的第二聚酯的重复单元的总量为乙烯 - 2,6-萘二羧酸酯重复单元。 第二层被层压在上述第一层的两个表面的至少一个表面上。

    Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film and magnetic tape therefrom
    6.
    发明公开
    Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film and magnetic tape therefrom 失效
    的双轴取向，由此在与磁带产生的方向延伸聚2,6-萘二甲酸膜。

    公开(公告)号：EP0532172A1

    公开(公告)日：1993-03-17

    申请号：EP92307194.8

    申请日：1992-08-06

    申请人： TEIJIN LIMITED

    发明人： Etchu, Masami ,  Hamano, Hisashi ,  Hosoi, Masahiro ,  Saeki, Yasuhiro

    IPC分类号： C08L67/02 ,  C08J5/18 ,  H01F10/28

    CPC分类号： C08J5/18 ,  B29C55/14 ,  B29K2067/00 ,  B29K2105/16 ,  C08J2367/02 ,  C08K3/26 ,  C08K3/36 ,  G11B5/733 ,  Y10S428/90 ,  Y10T428/25 ,  Y10T428/31 ,  Y10T428/31786 ,  C08L67/02

    摘要： A biaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film,

    (A) which contains

    (a) 0.05 to 04 % by weight of first inert solid particles having an average particle diameter of 0.05 to 0.3 µm, and
    (b) 0.005 to 0.05 % by weight of second inert solid particles having an average particle diameter of 0.3 to 1.0 µm, this average particle diameter being greater than the average particle diameter of the first inert solid particles by at least 0.2 µm,
    wherein:
    (B) the Young's modulus in the length direction is at least 650 kg/mm², the Young's modulus in the width direction is at least 600 kg/mm², the Young's modulus in the length direction is greater than the Young's modulus in the width direction,
    (C) the heat shrinkage factor in the length direction in heat treatment at 70° C for 1 hour under no load is not more than 0.08 %, and
    (D) the surface roughness, Ra, is 3 to 10 nm; and a magnetic tape obtained therefrom.

    摘要翻译： 双轴取向，单向长聚2,6-萘二甲酸的电影，（A），它含有（a）0.05至04重量％的具有上的0点05分至0.3微米平均粒径第一惰性固体颗粒，和（b） 0.005〜0.05％（重量）具有在0.3至1.0微米平均粒径第二惰性固体颗粒，该平均颗粒直径小于至少0.2微米，worin第一惰性固体颗粒的平均粒径更大的：（ B）的杨氏模量在长度方向上是至少为650千克/毫米<2>中，杨氏模量在宽度方向上是至少600千克/毫米<2>中，杨氏模量在长度方向上比杨氏更大 模量在宽度方向上，（C）在热处理在70℃下1小时在无负载下的长度方向上的热收缩率是在不超过0.08％，和（D）的表面粗糙度Ra为3〜 10纳米; 和磁带从那里得到。 p

    Magnetic tape
    7.
    发明公开
    Magnetic tape 失效
    磁铁乐队

    公开(公告)号：EP0500018A2

    公开(公告)日：1992-08-26

    申请号：EP92102612.6

    申请日：1992-02-17

    申请人： TEIJIN LIMITED

    发明人： Etchu, Masami ,  Hamano, Hisashi ,  Hosoi, Masahiro ,  Saeki, Yasuhiro

    IPC分类号： G11B5/704

    CPC分类号： G11B5/7305 ,  Y10S428/90 ,  Y10T428/24355 ,  Y10T428/31786

    摘要： A magnetic tape for audio cassettes wherein a magnetic layer is provided on base film characterized in that the base film is biaxially oriented polyethylene-2,6-naphthalate film having a Young's modulus in the longitudinal direction of 850 Kg/mm² or more, a Young's modulu in the transverse direction of 550 Kg/mm² or more a surface roughness Ra in the range of 0.015 to 0.040 µm, and a thermal shrinkage rate in the longitudinal direction of 0.3 % or less in case where it was held at a temperature of 100°C for 1 hour.
    A magnetic tape for audio cassettes is provided which is capable of long-time recording and wherein deterioration of magnetic characteristics does not easily occur in use, storage and the like at a high temperature, for example in the open at summer seasons or in cars, compared to conventional ones.

    摘要翻译： 一种用于音频盒的磁带，其中在基膜上提供磁性层，其特征在于，基膜是长度方向上的杨氏模量为850Kg / mm 2以上的双轴取向的聚2,6-萘二甲酸乙二醇酯膜 横向的杨氏模量为550Kg / mm 2以上，表面粗糙度Ra为0.015〜0.040μm的范围，纵向的热收缩率为0.3％以下， 在100℃的温度下保持1小时。 提供一种用于音频盒的磁带，其能够进行长时间记录，并且其特征在于，在高温下（例如在夏季开放或在汽车中）的使用，储存等中不易发生劣化， 与常规相比。

    Magnetic tape for use in cassette for digital audio tape recorder and biaxially oriented polyester base film therefor
    10.
    发明公开
    Magnetic tape for use in cassette for digital audio tape recorder and biaxially oriented polyester base film therefor 失效
    盒式磁带用于数字磁带录音机使用和该双轴取向聚酯膜。

    公开(公告)号：EP0616320A1

    公开(公告)日：1994-09-21

    申请号：EP94301810.1

    申请日：1994-03-15

    申请人： TEIJIN LIMITED

    发明人： Chujo, Takao ,  Hamano, Hisashi ,  Nishiyama, Masanori ,  Saeki, Yasuhiro ,  Ogawa, Tatsuya ,  Endou, Kouhei

    IPC分类号： G11B5/704 ,  G11B5/70 ,  B32B27/36

    CPC分类号： B32B27/36 ,  B32B27/08 ,  B32B2307/518 ,  B32B2307/538 ,  B32B2307/736 ,  B32B2309/025 ,  B32B2309/105 ,  B32B2367/00 ,  B32B2429/02 ,  C08J5/18 ,  C08J2367/02 ,  G11B5/7305 ,  G11B5/738

    摘要： There is provided a biaxially oriented polyester base film for a magnetic tape for use in a cassette for a digital audio tape recorder. The film has (a) a stress when the biaxially oriented polyester base film is extended in the longitudinal direction by 5 % of at least 12 kg/mm², (b) a residual extension in the longitudinal direction of 0.2 % or less and a residual extension in the transverse direction of 0.3 % or less, (c) a heat shrinkage in the longitudinal direction of 1.5 % or less, (d) at least one surface of which has a surface roughness, Ra, of 25 nm or less, and (e) a film thickness of in the range of from 3 to 12 µm. A magnetic tape for use in a cassette for a digital audio tape recorder is also provided.

    摘要翻译： 提供了一种用于在一个带盒使用用于数字音频磁带录音机磁带提供了一种双轴取向聚酯基膜。 该薄膜具有（a）的应力。当双轴由至少12千克/毫米<2>，（b）以0.2％或更小的长度方向的残留伸长5％取向聚酯基膜在纵向方向上延伸 和残留伸长在0.3％或更少的横向方向上，为25nm（c）以1.5％或更小的长度方向的热收缩率，（d）至少一个表面，该表面具有一表面粗糙度Ra，或 以下，和（e）的在3至12微米的范围内的膜厚度。 因此提供了一种用于在一个带盒使用用于数字音频磁带录音机的磁带。