| 供货周期： | 一周 |
| 品牌： | |
| 规格： | 30nm to 500nm |
| 货号： | 617-4 |
| CAS号： |
particle sizes range from 30nm to 500nm
When operating at low accelerating voltages or using older instruments, difficulties may be experienced in imaging the standard gold on carbon resolution specimens. This may be due to inferior resolution at low voltage or poor signal to noise ratio when operating at high scanning rates with small spot sizes. The larger gold islands give high contrast while retaining small gaps for resolution measurement. This makes the specimen easier to use at non-optimal operating conditions
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