
Dedicated sputtering equipment developed for forming Ni film of disc stamper.
| Vacuum characteristics |
Ultimate pressure |
3 x 10-5 Pa |
|---|---|---|
| Pumping characteristics |
Within 5min to 2 x 10-5 Pa | |
| Sputtering characteristics |
Substrate dimensions |
Max. diameter Φ240 Max. thickness 6mm |
| Film thickness distribution |
Within ±5% (withinΦ120) | |
| Sputtering source |
5-inch (within Φ127) cathode x 1 unit DC500W | |
| Film forming speeds |
Ni 8 to 24nm/min | |
| Cycle time (reference value) | Stamper for disc 20min/disc (Condition: base pressure 2 × 10-3 Pa film thickness 50nm) |
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