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    • 4. 发明授权
    • 자기 헤드 및 자기 기록 재생 장치
    • 자기헤드및자기기록재생장치
    • KR100448677B1
    • 2004-09-13
    • KR1020027004718
    • 2000-10-10
    • 파나소닉 주식회사
    • 하세가와겐지무라오카순사쿠나츠이아키나가오사노고이치다카하시겐
    • G11B5/147
    • G11B5/537G11B5/0086G11B5/105G11B5/133G11B5/147G11B5/1475G11B5/255G11B5/53G11B15/61G11B15/62
    • A magnetic head that is less prone to wear and has a long still duration and a magnetic recording/reproducing apparatus including a high-speed rotary drum unit using the same are provided. Thus, in a magnetic head including two magnetic core halves 4 and 8, each including at least one magnetic film 2, 6 made of a soft magnetic metallic material and a pair of substrates 1, 3 and 5, 7 sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap 9 being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves, at least a part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic single crystal ferrite material and a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is set to be approximately ä110ü while a direction of the non-magnetic single crystal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape.
    • 本发明提供一种不易磨损且具有较长静止持续时间的磁头以及包括使用该磁头的高速旋转磁鼓单元的磁记录/再现装置。 因此,在包括两个磁芯半体4和8的磁头中,每个磁体半体包括至少一个由软磁金属材料制成的磁性膜2,6和夹在该磁性膜之间的一对衬底1,3和5,7, 使得其端面彼此相对,并在它们之间形成磁隙9以通过每个磁芯半部中的磁膜形成磁路,每个基板相对于磁带的滑动表面的至少一部分 由非磁性单晶铁氧体材料制成,并且滑动表面处的非磁性单晶铁氧体材料的晶面取向设定为大约110°; 而< 110> 非磁性单晶铁氧体材料的方向大致平行于磁头相对于磁带的滑动方向。 <图像>