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.
申请公布号
WO2004050331(A2)
申请公布日期
2004.06.17
申请号
WO2003US33310
申请日期
2003.10.21
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.,
