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    • 2. 发明授权
    • Vertical magnetic head having a magnetic circuit with a non-embedded part and having an integrated coil surrounding the non-embedded part
    • 具有具有非嵌入部分的磁路并具有围绕非嵌入部分的集成线圈的垂直磁头
    • US06335846B1
    • 2002-01-01
    • US09667546
    • 2000-09-22
    • Pierre GaudHenri SibuetMichel Di Gioia
    • Pierre GaudHenri SibuetMichel Di Gioia
    • G11B517
    • G11B5/3183G11B5/127G11B5/17G11B5/313Y10T29/4906
    • Magnetic head for use in magnetic recording and including an integrated coil having at least one winding around a non-embedded part of the magnetic circuit. The winding includes a lower sheet of conductors placed in a chamber etched in the substrate and which is integrated into this substrate. The magnetic head is manufactured in a process including forming on a solid substrate a magnetic circuit with a first and second polar part having embedded portions positioned side by side and separated by a nonmagnetic air gap. The magnetic circuit includes at least one non-embedded bridging part no portion of which is embedded in the substrate. A conductor coil is formed around the non-embedded part of the circuit by making a lower sheet of conductors passing underneath the non-embedded bridging part and by embedding the lower sheet in at least one chamber made in the substrate, and by making an upper sheet of conductors astride the non-embedded bridging part of the magnetic circuit.
    • 磁头用于磁记录并且包括具有围绕磁路的非嵌入部分的至少一个绕组的集成线圈。 绕组包括放置在蚀刻在衬底中并且被集成到该衬底中的腔室中的下导体片。 磁头的制造方法包括在固体基板上形成具有第一和第二极性部分的磁路,所述第一和第二极性部分具有并排设置并且由非磁性空气间隙分开的嵌入部分。 磁路包括至少一个未嵌入的桥接部分,其中没有一部分嵌入基板中。 导体线圈是通过在非嵌入式桥接部分下面通过下面的导体通过嵌入底板至少制造在衬底中的至少一个腔体中而形成在电路的非嵌入部分周围,并且通过使上部 导线横跨磁路的非嵌入式桥接部分。