Method for smoothing a perfluoro alkoxy alkane film surface

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United States of America Patent

PATENT NO 9957406
SERIAL NO

14638391

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Abstract

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Method for increasing the smoothness of the free surface area of a PFA film, provided on a component by sequentially exposing it to a temperature higher than its melting temperature so as to melt at least the free surface area, lowering the temperature to solidify the melted portion, remelting the free surface area by exposing it to a temperature of at least the PFA melting temperature and again lowering the temperature. The PFA film may be provided on Al2O3, Ni or NiF2 film.

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Patent Owner(s)

Patent OwnerAddress
TOHOKU UNIVERSITY2-1-1 KATAHIRA AOBA-KU SENDAI-SHI MIYAGI 980-8577

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akutsu, Isao Chiba, JP 13 43
Iwaki, Masamichi Kasbihara, JP 10 23
Ohmi, Tadahiro Sendai, JP 798 14083
Ohyama, Kenji Sendai, JP 5 1

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