发明授权
- 专利标题： Magnetic recording medium comprising two magnetic layers each layer comprising ferromagnetic powder, binder, a branched and unbranched silicone, with carbon black in the upper layer
- 专利标题（中）： 磁记录介质包括两层磁性层，每层包含铁磁性粉末，粘合剂，支链和非支化硅氧烷，上层为炭黑
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申请号： US69681申请日： 1993-06-01
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公开(公告)号： US5316845A公开(公告)日： 1994-05-31
- 发明人: Masatoshi Takahashi , Hiroo Inaba , Kazuaki Taga
- 申请人： Masatoshi Takahashi , Hiroo Inaba , Kazuaki Taga
- 申请人地址： JPX Kanagawa
- 专利权人： Fuji Photo Film Co., Ltd.
- 当前专利权人： Fuji Photo Film Co., Ltd.
- 当前专利权人地址： JPX Kanagawa
- 优先权： JPX2-101568 19900419
- 主分类号： G11B5/708
- IPC分类号： G11B5/708 ; B32B27/18 ; B32B33/00 ; C09C1/48 ; C09D5/23 ; C09D7/12 ; C10M103/02 ; C10M105/24 ; C10M105/34 ; C10M107/50 ; C10N40/18 ; C10N70/00 ; G11B5/71 ; G11B5/716 ; G11B5/00
摘要：
A magnetic recording medium comprising a nonmagnetic support and at least two magnetic layers on the support, each magnetic layer containing a ferromagnetic powder and a binder, wherein the lower magnetic layer comprises at least one layer containing a branched fatty acid-modified silicone, but not carbon black, and the upper magnetic layer comprises at least one layer containing a branched fatty acid-modified silicone and carbon black having a DBP absorption oil amount of 100 to 250 ml/100 g. The magnetic recording medium has improved lubricating characteristics.
公开/授权文献
- US6138261A Concatenated coding system for satellite communications 公开/授权日：2000-10-24
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