| 发明名称 |
Methods and devices for stretching polymer films |
| 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.
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| 申请公布号 |
US7104776(B2) |
申请公布日期 |
2006.09.12 |
| 申请号 |
US20040010774 |
申请日期 |
2004.12.13 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
MERRILL WILLIAM W.;JACKSON JEFFERY N.;RUFF ANDREW T.;THOMPSON DESIREE L.;WHEATLEY JOHN A.;AMUNDSON JEFFREY D.;HARVEY CURTIS A |
| 分类号 |
B29C55/08;B29C55/16 |
主分类号 |
B29C55/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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