产品描述
Mains |
115V or 240V AC switchable |
Width |
Standard 19" rack mounting, 500 =mm deep |
Height |
4U |
Inputs |
Computer (desktop PC or laptop) |
Outputs |
Individual cards supply the following: |
.
Instrument Type |
TFE Module Emitter Type |
||
Amray |
YPS-174-A |
|
|
Applied / OPAL |
|
|
YPS-M20-A |
FEI (pre 2002) |
YPS-174-F |
|
|
FEI |
|
YPS-184-F |
|
Hitachi (TFE) SEM |
YPS-174-H |
|
|
Hitachi (TFE) CDSEM |
YPS-174-C |
|
|
JEOL (TFE) |
YPS-174-J |
|
|
LEO (Gemini) |
YPS-174-L |
|
|
PHI |
YPS-174-P |
|
|
Riber |
YPS-174-R |
|
|
Tescan |
|
YPS-184-T |
|
ZEISS (Gemini) |
YPS-174-Z |
|
|
Emitter Type |
Thermionic |
Thermionic |
Schottky FE |
Cold FE |
Cathode material |
W |
LaB6 |
ZrO/W (100) |
W(310) |
Operating temperature [K] |
2,800 |
1,900 |
1,800 |
300 |
Cathode radius [nm] |
60,000 |
10,000 |
< 1,000 |
< 100 |
Effective source radius [nm] |
>15,000 |
>5,000 |
~15 (*) |
~2.5(*) |
Emission current density [A/cm2] |
3 |
30 |
5,300 |
17,000 |
Total emission current [μA] |
200 |
80 |
100-500 |
5-10 |
Normalized brightness [A/cm2.sr.kV] |
1 x 104 |
1 x 105 |
1 x 107 |
2 x 107 |
Maximum probe current [nA] |
1000 |
Up to 10,000 |
Up to 1000 |
~2-5 |
Energy spread @ cathode [eV] |
>0.59 |
>0.50 |
0.5-0.8 |
>0.23 |
Energy spread @ gun exit [eV] |
1.5 - 2.5 |
1.3 - 2.5 |
0.5 - 0.8 |
0.3 - 0.7 |
Beam noise [%] |
1 |
1 |
1 |
5 - 10 |
Emission current drift [%/h] |
0.1 |
0.2 |
< 0.5 |
5 |
Operating vacuum mbar |
< 1 x 10-5 |
< 1 x 10-6 |
< 1 x 10-9 |
< 1 x 10-10 |
Typical Cathode life [h] |
100 |
> 1000 |
> 5000 |
> 2000 |
Cathode regeneration |
not required |
not required |
not required |
every 6 to 8 hours |
Sensitivity to external influence |
Minimal |
minimal |
low |
high |
友情链接