FIELD: dielectric materials.
SUBSTANCE: polyimides and copolyimides are intended for the manufacture of thermally stable dielectric materials with a set of high-performance characteristics that can be used in microelectronics. Polyimide is a compound of the general formula as follows
,
where x=1, 2; n=20÷100, m=80÷0.
EFFECT: resulting polyimides and copolyimides have increased thermal and oxidative stability, solubility, low yellowness index, and good optical transparency.
1 cl, 2 tbl, 2 ex
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|
RU2753691C1 |
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| COPOLYMIDES | 1977 |
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