发明授权
- 专利标题: Photosensitive resin composition, patterning method, and electronic components
- 专利标题(中): 感光树脂组合物,图案化方法和电子部件
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申请号: US09401196申请日: 1999-09-23
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公开(公告)号: US06342333B1公开(公告)日: 2002-01-29
- 发明人: Akihiro Sasaki , Noriyoshi Arai , Makoto Kaji , Toshiki Hagiwara , Brian C. Auman
- 申请人: Akihiro Sasaki , Noriyoshi Arai , Makoto Kaji , Toshiki Hagiwara , Brian C. Auman
- 主分类号: G03C152
- IPC分类号: G03C152
摘要:
A photosensitive resin composition comprising an aromatic polyimide precursor, wherein a 10 &mgr;m thick layer of precursor has light transmittance at a wavelength of 365 nm of at least 1% and a 10 &mgr;m thick polyimide film made from the resin composition by imidation ring closure and deposited on a silicon substrate results in a residual stress of at most 25 MPa. The composition can be patterned through i-line exposure followed by development with alkaline solutions, and can be imidized into low-stress polyimide patterns. Electronic components having the polyimide patterns have high reliability.
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