Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Reexamination Certificate
2005-12-13
2005-12-13
Pyon, Harold (Department: 1772)
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
C428S480000, C428S473500, C428S910000, C428S213000, C428S215000
Reexamination Certificate
active
06974620
ABSTRACT:
A polyester film for use in a capacitor having high heat resistance, which consists of a biaxially oriented film containing a polyester (A) as a main component and a polyimide (B) and has a glass transition temperature of 105° C. to 145° C. and an elongation at break in the machine direction of 70% to 150%, offers a high glass transition temperature and excellent insulation volume resistance and insulation breakdown voltage at high ambient temperatures. This film can produce a metallized film for use in a capacitor having high heat resistance and also a film capacitor having high heat resistance.
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Asakura Masayoshi
Tsunekawa Tetsuya
Yamagata Tetsuya
DLA Piper Rudnick Gray Cary US LLP
Pyon Harold
Simone Catherine A.
Toray Industries Inc.
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