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    • 92. 发明授权
    • Magnetic recording medium
    • 磁记录介质
    • US6074724A
    • 2000-06-13
    • US918864
    • 1997-08-26
    • Hiroo InabaKiyomi EjiriMasaki SuzukiKoji NaoeYuichiro MurayamaHiroaki Takano
    • Hiroo InabaKiyomi EjiriMasaki SuzukiKoji NaoeYuichiro MurayamaHiroaki Takano
    • G11B5/702G11B5/706
    • B82Y15/00G11B5/7021G11B5/7022G11B5/70621Y10S428/90Y10T428/24355Y10T428/25Y10T428/257Y10T428/265
    • A magnetic recording medium is disclosed, which comprises a support having thereon a magnetic layer comprising a binder and a ferromagnetic powder dispersed therein, wherein said binder comprises a polyurethane resin having at least one cyclic hydrocarbon group and at least one ether linkage, and said ferromagnetic powder is a ferromagnetic metallic powder which comprises Fe and has a mean major-axis length of from 0.05 to 0.19 .mu.m and a crystallite size of from 100 to 230 .ANG.; and further a magnetic recording medium is disclosed, comprising a support having thereon in succession an undercoat layer comprising a binder U and an inorganic powder dispersed therein and a magnetic layer comprising a binder M and a ferromagnetic powder dispersed therein, wherein at least either of the binder U or M comprises a polyurethane resin having at least one cyclic hydrocarbon group and at least one ether linkage and said ferromagnetic powder is a ferromagnetic metallic powder which comprises Fe and has a mean major-axis length of from 0.05 to 0.19 .mu.m and a crystallite size of from 100 to 230 .ANG..
    • 公开了一种磁记录介质,其包括其上具有包含粘合剂和分散在其中的铁磁粉末的磁性层的载体,其中所述粘合剂包含具有至少一个环状烃基和至少一个醚键的聚氨酯树脂,并且所述铁磁性 粉末是含铁的铁磁性金属粉末,其平均长轴长度为0.05至0.19μm,微晶尺寸为100至230安培; 并且还公开了一种磁记录介质,包括其上连续地具有包含粘合剂U和分散在其中的无机粉末的底涂层的支撑体和包含粘合剂M和分散在其中的铁磁性粉末的磁性层,其中, 粘合剂U或M包含具有至少一个环状烃基和至少一个醚键的聚氨酯树脂,并且所述铁磁性粉末是包含Fe并且具有0.05至0.19μm的平均长轴长度的铁磁性金属粉末,以及 微晶尺寸为100至230安培。
    • 96. 发明授权
    • Positioning table
    • 定位台
    • US4610442A
    • 1986-09-09
    • US621922
    • 1984-06-18
    • Kenichi OkuMasaki Suzuki
    • Kenichi OkuMasaki Suzuki
    • H01L21/30B23Q1/48G01B21/00G03F9/00G05D3/00G12B5/00H01L21/027H01L21/68B23Q1/04
    • B23Q1/4866
    • A positioning table device which includes a flat table supported so as to be displaceable both angularly and linearly in a plane. Three pushers having end faces abutting respective rollers are provided such that linear movements of the pushers in a plane parallel to the plane of the table in different reciprocal directions allows exact positioning and rotational movements of the table with any arbitrary position on the table as the center of rotation. In the preferred embodiments, the rollers are rotatable about axes of rotation perpendicular to the plane of the table and two of the end faces are parallel, the third being perpendicular thereto.
    • PCT No.PCT / JP83 / 00363 Sec。 371日期1984年6月18日 102(e)日期1984年6月18日PCT提交1983年10月19日。一种定位台装置,其包括平台,所述平台被支撑成可在平面内成角度地和线性地位移。 具有端面邻接各个辊的三个推动器被设置成使得推动器在平行于工作台的平面的平面中在不同的往复方向上的直线运动允许工作台的精确定位和旋转运动在桌子上的任意位置作为中心 的旋转。 在优选实施例中,辊可以绕垂直于工作台平面的旋转轴线旋转,并且两个端面是平行的,第三个与其垂直。