发明授权
- 专利标题: Devices for stretching polymer films
- 专利标题(中): 聚合物膜拉伸装置
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申请号: US11461837申请日: 2006-08-02
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公开(公告)号: US07316558B2公开(公告)日: 2008-01-08
- 发明人: William W. Merrill , Jeffery N. Jackson , Andrew T. Ruff , Desiree L. Thompson , John A. Wheatley , Jeffrey D. Amundson , Curtis A. Harvey
- 申请人: William W. Merrill , Jeffery N. Jackson , Andrew T. Ruff , Desiree L. Thompson , John A. Wheatley , Jeffrey D. Amundson , Curtis A. Harvey
- 申请人地址: US MN St. Paul
- 专利权人: 3M Innovative Properties Company
- 当前专利权人: 3M Innovative Properties Company
- 当前专利权人地址: US MN St. Paul
- 主分类号: B29C55/08
- IPC分类号: B29C55/08
摘要:
Stretched polymeric films can be used in a variety of applications, including optical applications. The stretching conditions and shape of the stretching tracks in a stretching apparatus can determine or influence film properties. Methods and stretching apparatuses can include adjustable or zone-defined stretching regions.
公开/授权文献
- US20060257515A1 METHODS AND DEVICES FOR STRETCHING POLYMER FILMS 公开/授权日:2006-11-16
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