Biaxially oriented film
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United States of America Patent
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Feb 5, 2013
Grant Date -
Feb 16, 2012
app pub date -
Oct 19, 2011
filing date -
Jan 29, 2004
priority date (Note) -
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Abstract
An object of the present invention is to provide a thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a single layered or laminated biaxially oriented film comprising an aromatic polyester (a) and a polyolefin (b) having a melting point of from 230 to 280° C., wherein the ratio of the polyolefin (b) is from 5 to 30% based on the entire weight of the film, and the film thickness is from 1 to 10 μm.
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