MAGNETIC RECORDING MEDIUM
    11.
    发明申请
    MAGNETIC RECORDING MEDIUM 失效
    磁记录介质

    公开(公告)号:US20010003630A1

    公开(公告)日:2001-06-14

    申请号:US09052033

    申请日:1998-03-30

    IPC分类号: G11B005/706

    摘要: A magnetic recording medium is described, which comprises a support having thereon a magnetic layer comprising a ferromagnetic metal powder dispersed in a binder, which is a magnetic recording medium for recording signals of from 0.17 to 2 G bit/inch2 of areal recording density, wherein the coercive force of said magnetic layer is 1,800 Oe or more, said ferromagnetic metal powder comprises Fe and Co, and the atomic ratio of Al/(FenullCo) is from 3.0 to 15.4%.

    摘要翻译: 描述了一种磁记录介质,其包括其上具有包含分散在粘合剂中的铁磁性金属粉末的磁性层的支撑体,该磁性层是用于记录0.17至2G位/英寸2的面积记录密度的信号的磁记录介质,其中 所述磁性层的矫顽力为1800Oe以上,所述强磁性金属粉末含有Fe和Co,Al /(Fe + Co)的原子比为3.0〜15.4%。

    Magnetic recording medium and process for producing same
    12.
    发明授权
    Magnetic recording medium and process for producing same 失效
    磁记录介质及其制造方法

    公开(公告)号:US5456977A

    公开(公告)日:1995-10-10

    申请号:US53347

    申请日:1993-04-28

    摘要: A magnetic recording medium is disclosed, comprising a nonmagnetic support having thereon a magnetic layer containing a ferromagnetic powder and a binder, wherein the magnetic layer contains at least one of .alpha.-Al.sub.2 O.sub.3 and Cr.sub.2 O.sub.3 in an amount of 5 to 15% by weight based on the weight of the ferromagnetic powder, the density of at least one of .alpha.-Al.sub.2 O.sub.3 and Cr.sub.2 O.sub.3 in the surface of the magnetic layer is less than 0.25/.mu.m.sup.2, the intensity ratio of Al spectrum to Fe spectrum as determined by ESCA is in the range of 0.05 to 0.20, or the intensity ratio of Cr spectrum to Fe spectrum as determined by ESCA is in the range of 0.02 to 0.08, and the magnetic layer contains a fatty acid or a fatty acid ester, and the fatty acid or fatty acid ester is orientated in the surface of the magnetic layer. And further a process for producing the above magnetic recording medium is disclosed.

    摘要翻译: 公开了一种磁记录介质,其包括其上具有含有铁磁性粉末和粘合剂的磁性层的非磁性载体,其中所述磁性层含有以重量计5至15%的量的α-Al 2 O 3和Cr 2 O 3中的至少一种 铁磁粉末的重量,磁性层表面中的α-Al2O3和Cr2O3中的至少一种的密度小于0.25 /μm2,通过ESCA测定的Al光谱与Fe光谱的强度比在 或者通过ESCA测定的Cr光谱与Fe光谱的强度比在0.02〜0.08的范围内,磁性层含有脂肪酸或脂肪酸酯,脂肪酸或脂肪酸 酯定向在磁性层的表面。 并且还公开了制造上述磁记录介质的方法。

    Magnetic recording medium
    13.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US4716077A

    公开(公告)日:1987-12-29

    申请号:US884450

    申请日:1986-07-11

    摘要: A magnetic recording medium is described, comprising a non-magnetic support and a magnetic layer, said magnetic layer containing as a binder at least one compound selected from each of compound groups (A) and (B) that has been exposed to radiation, wherein(A) is polyvinyl chloride type compounds containing at least one polar group and at least one carbon-carbon unsaturated bond per molecule; and(B) is polyurethane type compounds containing at least one --CO.sub.2 H group and at lease one carbon-carbon unsaturated bond per molecule.

    摘要翻译: 描述了一种磁记录介质,其包括非磁性载体和磁性层,所述磁性层含有至少一种选自化合物组(A)和(B)中的每一种已被暴露于辐射的化合物作为粘合剂,其中 (A)是每分子含有至少一个极性基团和至少一个碳 - 碳不饱和键的聚氯乙烯型化合物; 和(B)是每分子含有至少一个-CO 2 H基团和至少一个碳 - 碳不饱和键的聚氨酯型化合物。

    Magnetic recording medium
    15.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US4246316A

    公开(公告)日:1981-01-20

    申请号:US887766

    申请日:1978-03-17

    摘要: This invention relates to a magnetic recording medium comprising a non-magnetic support and magnetic layer provided thereon containing a ferromagnetic metal powder, the magnetic layer having a multilyaer structure consisting of a lower layer containing acicular grains obtained by dry process reduction and an upper layer containing chain-like grains obtained by wet process reduction, the upper layer being provided on the lower layer. This magnetic recording medium is particularly suitable for high density recording.

    摘要翻译: 本发明涉及一种包含非磁性载体和磁性层的磁记录介质,其中含有强磁性金属粉末,该磁性层具有多层结构,该多层结构由含有通过干法还原获得的针状颗粒的下层和含有 通过湿法还原获得的链状颗粒,上层设置在下层上。 该磁记录介质特别适用于高密度记录。

    Process for production of ferromagnetic powder
    16.
    发明授权
    Process for production of ferromagnetic powder 失效
    铁磁粉生产工艺

    公开(公告)号:US4217152A

    公开(公告)日:1980-08-12

    申请号:US524860

    申请日:1974-11-18

    CPC分类号: B22F9/24 C21B15/00

    摘要: A process for producing a ferromagnetic powder comprising effecting the oxidation-reduction reaction in an aqueous solution of a metal salt containing at least Fe and capable of forming a ferromagnetic substance, by the use of at least one member selected from the group consisting of boron hydride compound and a derivative thereof, and in the presence of a Ti compound.

    摘要翻译: 一种铁磁性粉末的制造方法,其特征在于,使用至少一种选自由氢化硼构成的组中的至少一种,其中,所述铁磁性粉末包括在至少含有Fe并能够形成铁磁性物质的金属盐的水溶液中进行氧化还原反应 化合物及其衍生物,并在Ti化合物存在下进行。

    Magnetic recording medium
    17.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US4009111A

    公开(公告)日:1977-02-22

    申请号:US624017

    申请日:1975-10-20

    摘要: A magnetic recording medium for high density recording comprising a support having thereon a magnetic recording layer comprising a ferromagnetic metal powder of the Fe-Co-Cr-B system and having a coercive force of about 700 to 1500 orsteds in the oriented direction of the magnetic substance and a residual magnetic flux density of about 1500 gauses or more, the residual magnetic flux density of which after storage for 160 hours under the conditions of a temperature of 60.degree. C and 90%RH is 85% or more of the initial value thereof before storage under these conditions in a binder. The magnetic recording medium is especially suitable for high density recording, having sufficient sensitivity and excellent resistance.

    摘要翻译: 一种用于高密度记录的磁记录介质,包括其上具有磁记录层的载体,所述磁记录层包含Fe-Co-Cr-B系统的铁磁性金属粉末,并且在磁性方向上具有约700至1500埃的矫顽力 物质和剩余磁通密度约为1500高斯或以上,在60℃,90%RH的温度条件下保存160小时后的剩余磁通密度为初始值的85%以上 在这些条件下在粘合剂中储存之前。 磁记录介质特别适用于高密度记录,具有足够的灵敏度和优异的电阻。

    Image and information processor
    19.
    再颁专利

    公开(公告)号:USRE44367E1

    公开(公告)日:2013-07-16

    申请号:US13548564

    申请日:2012-07-13

    申请人: Masashi Aonuma

    发明人: Masashi Aonuma

    IPC分类号: G03B42/02

    摘要: The image and information processor includes an image information processing unit having a function for inputting patient information and radiation image capture information related to the patient information, a function for receiving a first radiation image having been read by a radiation image reading device and a function for performing image processing on the first radiation image, an image display device for the displaying at least one of the first radiation image and second radiation image having been subjected to the image processing and an external storage device for temporarily storing at least one of the first radiation image and the second radiation image in relation to the patient information; wherein the image information processing unit is constructed such that a serial radiography based on a plurality of radiographic conditions of the image capture information relating to one patient inputted by the input function can be reserved as a single inspection. The image information processing unit may be connected via a network to one or more radiation image reading devices and one or more image output devices for outputting the second radiation images.