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Patent Searching and Data


Title:
高寸法安定性高分子フィルムおよびそれを用いた磁気記録媒体
Document Type and Number:
Japanese Patent JP4161378
Kind Code:
B2
Abstract:
An aromatic polyamide-based polymer film has a Poisson's ratio of a width direction (TD) to a lengthwise direction (MD) of not > 0.4,which has less susceptibility to reading error and excellent electromagnetic transducing characteristics.

Inventors:
Tsukuda Meiko
Toshiya Ieshiro
Yuichi Nakajima
Application Number:
JP56032399A
Publication Date:
October 08, 2008
Filing Date:
September 28, 1999
Export Citation:
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Assignee:
TORAY INDUSTRIES,INC.
International Classes:
B29C55/12; B29D7/01; C08J5/18; G11B5/73; B29K77/00; B29L7/00
Domestic Patent References:
JP8173892A
JP10205352A