High impact resistance plastic hard disk using plasma-based ion-implantation

High impact resistance plastic hard disk using plasma-based ion-implantation

A new technique for producing high impact resistance plastic hard disks is introduced. Plasma-based ion-implantation (PBII) using hi-polar high-voltage pulses is applied to the plastic substrate, then magnetic and hard-coat layers are fabricated on the substrate. The PBII-treated plastic hard disk h...

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Veröffentlicht in:IEEE transactions on magnetics 2000-09, Vol.36 (5), p.2689-2691
Hauptverfasser: Tonosaki, M., Okita, H., Ohuchi, H., Kobayashi, M., Takino, H., Takei, Y., Chayahara, A., Horino, Y., Tsubouchi, N.
Format: Artikel
Sprache:eng
Schlagworte:
Acceleration
Aluminum
Applied sciences
Disks
Electronics
Exact sciences and technology
Hard disks
Impact resistance
Impact tests
Ion implantation
Life estimation
Magnetic devices
Magnetism
Other magnetic recording and storage devices (including tapes, disks, and drums)
Plasma accelerators
Plastics
Pulse transformers
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Surface resistance
Testing
Tribology
Voltage
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Zusammenfassung:A new technique for producing high impact resistance plastic hard disks is introduced. Plasma-based ion-implantation (PBII) using hi-polar high-voltage pulses is applied to the plastic substrate, then magnetic and hard-coat layers are fabricated on the substrate. The PBII-treated plastic hard disk had a critical acceleration value of 230 G from an impact test, while an aluminum hard disk had a value of less than 90 G.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.908560