发明授权
- 专利标题： Optical recording disk
- 专利标题（中）： 光盘录像机
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申请号： US199203申请日： 1988-05-26
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公开(公告)号： US5036510A公开(公告)日： 1991-07-30
- 发明人: Ryutaro Hayashi , Toshikazu Yoshino , Yukio Kimura
- 申请人： Ryutaro Hayashi , Toshikazu Yoshino , Yukio Kimura
- 申请人地址： JPX Tokyo
- 专利权人： Pioneer Electronic Corporation
- 当前专利权人： Pioneer Electronic Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX62-104962[U] 19870708
- 主分类号： G11B7/24
- IPC分类号： G11B7/24
摘要：
An optical recording disk of air sandwich type includes a transparent disk carrying a transferring layer and a protection disk which are symmetrically disposed with respect to a central plane between the transparent and protection disks, the protection disk being the same as the transparent disk in material and shape and having a dummy layer which is the same as the transferring layer in material and shape.
公开/授权文献
- US5683647A Process for producing resin hose 公开/授权日：1997-11-04
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