发明申请
- 专利标题： Polyimide film and polyimide composite sheet
- 专利标题（中）： 聚酰亚胺膜和聚酰亚胺复合片
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申请号： US11237731申请日： 2005-09-29
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公开(公告)号： US20060068184A1公开(公告)日： 2006-03-30
- 发明人: Kazuyuki Hamada , Takashi Amane , Yasuhiro Nagoshi , Kazuhiro Fujiwara , Kiyotaka Kobayashi , Taei Uchida , Norihisa Komoda
- 申请人： Kazuyuki Hamada , Takashi Amane , Yasuhiro Nagoshi , Kazuhiro Fujiwara , Kiyotaka Kobayashi , Taei Uchida , Norihisa Komoda
- 申请人地址： JP Ube-shi 755-8633
- 专利权人： Ube Industries, Ltd.
- 当前专利权人： Ube Industries, Ltd.
- 当前专利权人地址： JP Ube-shi 755-8633
- 优先权： JP2004-283665 20040929
- 主分类号： B32B27/32
- IPC分类号： B32B27/32
摘要：
An aromatic polyimide film favorably employable for the chip-on-film (COF) system is composed of a polyimide derived from 3,3′,4,4′-biphenyltetracarboxylic acid dianhydride and p-phenylenediamine and a powdery inorganic filler, in which the film has a thickness in the range of 25 to 35 μm and does not have protrusions of 1 μm or higher, and the filler has a mean diameter of less than 1 μm.