Veeco MPS-3000 CE, Technical Manual

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14
HC
The HC power supply is part of the MPS-3000 CE HC.
• The letters HC appear above the MODULE switch indicating
that Hollow Cathode power supply has been selected.
• The hollow cathode keeper voltage limit is the only adjustable
parameter on the Hollow Cathode power supply.
• The keeper voltage limit may be adjusted in Manual mode or
through a remote microprocessor.
NEUT
The Neutralizer power supply is part of the MPS-3000 CE FC.
• The letters NEUT appear above the MODULE switch indicating
that Neutralizer power supply has been selected.
• Neutralizer filament current and current limit are adjustable in
Manual mode and through a computer.
HCN
The HCN power supply is part of the MPS-3000 CE HC.
• The letters HCN appear above the MODULE switch indicating
that Hollow Cathode Neutralizer power supply has been
selected.
• The heater current may be viewed by selecting HEATER with
the FUNCTION switch in Manual or Local mode.
PBN
The PBN power supply is part of the MPS-3000 CE PBN
• The letters PBN appear above the MODULE switch indicating
that PBN power supply has been selected.
• The PBN filament limit may be adjusted either in Manual mode
or through a remote computer.
• The emission current may be adjusted only in Manual mode.
• The PBN filament current may be viewed in Manual or Local
mode by selecting LIMIT with the FUNCTION switch.
Do not adjust the filament current limit below the actual filament current.
NOTE