Biaxially oriented film

Details Biaxially oriented film Biaxially oriented film

2005-01-28

2011-11-29

Chen, Vivian (Department: 1787)

Stock material or miscellaneous articles

Magnetic recording component or stock

Magnetic recording media substrate

C428S332000, C428S336000, C428S339000, C428S480000, C428S483000, C428S500000, C428S910000, C428S846000, C428S847000, C428S847200, C428S847300

Reexamination Certificate

active

08067105

ABSTRACT:
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 laminated biaxially oriented film comprising: at least one layer comprising an aromatic polyester (a); and at least one layer of a polyolefin (b) having a melting point of from 230 to 280° C.; wherein the ratio of the polyolefin (b) is from 2 to 60% based on the entire weight of the film, and the film thickness is from 1 to 10 μm.

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