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    • 8. 发明授权
    • Process for producing information recording medium
    • 生产信息记录介质的方法
    • US4981538A
    • 1991-01-01
    • US380330
    • 1989-07-17
    • Yasushi Kikuchi
    • Yasushi Kikuchi
    • B29C65/08G11B7/24G11B7/26G11B23/00
    • G11B23/0035B29C65/08B29C65/7811B29C66/3022B29C66/472B29C66/8322G11B7/24G11B7/26B29C66/452B29C66/73771B29C66/73921B29C66/7394B29L2011/00B29L2017/005
    • Disclosed is a process for producing an information recording medium of air-sandwich type for optically recording or reproducing information which comprises an information recording disc and hubs provided on both sides at the center thereof. In the process, using a receiving tool provided with a disc-shaped raised portion for receiving a substrate at its center and a hub-receiving center axis extended upward from the center, a circular hole of the disc is fitted to the raised portion of the receiving tool, then a magnetizable hub having a magnetizable substance and a clamping hole at the center is fitted coaxially to the recording disc, and the hub is joined to the disc. Thereafter, the disc joined with the hub is turned over and fitted onto other receiving tool, and the other hub is joined to the disc. Otherwise, after one hub is joined to the recording disc on one side, another magnetizable hub may be joined to the back side of the recording disc by fitting the magnetizable hub to a different receiving tool and then fitting the above-obtained disc onto the magnetizable hub.
    • 公开了一种制造用于光学记录或再现信息的空气夹层型信息记录介质的方法,该信息记录介质包括信息记录盘和设置在其中心两侧的轮毂。 在该过程中,使用设置有圆盘形凸起部分的接收工具,用于在其中心处接收基板,并且从中心向上延伸的毂接收中心轴线,盘的圆形孔装配到 接收工具,然后将具有可磁化物质的可磁化轮毂和位于中心的夹紧孔同轴地安装在记录盘上,轮毂与盘相连接。 此后,将与轮毂接合的盘翻转并安装到其他接收工具上,另一个轮毂连接到盘。 否则,在一个轮毂在一侧连接到记录盘之后,另一个可磁化轮毂可以通过将可磁化轮毂装配到不同的接收工具上而将其连接到记录盘的后侧,然后将上述获得的盘装配到可磁化的 枢纽。