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2 133 059

(13)

C1

(51)

IPC

(21) (22)

Application

97119396/28, 1997-12-02

(22)

Actual filing date

1997-12-02

(45)

Published

1999-07-10

(72)

Inventor

Gonopol'Skij A.M.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

FRICTION SURFACE COATING Russian patent published in 1999 - IPC

Abstract RU 2133059 C1

FIELD: data storage primarily for audio and video recorders. SUBSTANCE: coating on friction surfaces of tape drive for audio and video recorders at points where they contact the tape is characterized in that self-diffusion activation energy of coating and magnetic tape materials is almost the same. Coating contacting ferromagnetic layer of tape may be composed of fused and polished material of Ni-Cr-Si-B system deposited by plasma evaporation. EFFECT: elimination of premature wear of tape due to escape of ferromagnetic layer caused by sticking of tensioned tape when drive is stopping. 2 cl, 8 dwg

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RU 2 133 059 C1

Authors

Gonopol'Skij A.M.

Dates

1999-07-10—Published

1997-12-02—Filed

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