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    • 2. 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>
    • 6. 发明公开
    • 자기기록재생기의 헤드드럼 접지장치
    • 磁记录/播放装置接地头磁鼓装置
    • KR1020000037897A
    • 2000-07-05
    • KR1019980052709
    • 1998-12-03
    • 주식회사 엘지이아이
    • 문기성
    • G11B5/10
    • G11B5/53G11B5/11G11B21/04G11B23/0007G11B23/50G11B33/14
    • PURPOSE: A grounding device of head drum is provided to prevent an operating noise in a tip brush for grounding an upper drum and to exactly assemble the tip brush. CONSTITUTION: After a middle shaft(30) is forcibly inserted into a lower drum and a upper drum is inserted in the middle shaft(30), a ring collar(60) is combined in the middle shaft(30) by combining a combining screw in a combining slot of the ring collar(30) in a state pre-compressed with the ring collar(60). An assembling is finished by pushing one end of a large diameter portion of a grounding spring(55) of a tip brush(50) with a stator while the tip brush(50) is inserted in an installing slot(61) of the ring collar(60) and the stator(28) is combined. The one end of the large diameter portion of the grounding spring(55) is stuck in a grounded face of the installing slot. And a brush body connected with the grounding spring(55) is accepted in an accepting portion of small diameter through a small diameter portion(56).
    • 目的:提供头鼓的接地装置,以防止尖端刷中的操作噪音使上鼓接地并精确组装尖刷。 构成:在中轴(30)被强制地插入下鼓中并且上鼓被插入中轴(30)中之后,通过组合螺钉将组合螺钉(60)组合在中轴(30)中, 在环形环(30)的组合槽中以与环套环(60)预压缩的状态。 通过将末端电刷(50)插入到环形套环的安装槽(61)中的同时用定子推动尖端电刷(50)的接地弹簧(55)的大直径部分的一端来完成组装 (60)和定子(28)组合。 接地弹簧(55)的大直径部分的一端卡在安装槽的接地面上。 与接地弹簧(55)连接的刷体通过小直径部分(56)被接纳在小直径的接收部分中。