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INFICON XTC/3 Thin Film Deposition Controller Operating Manual User Manual

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XTC/3 Operating Manual

NOTE: The following are Deposit states.

CONTROL DELAY
(Deposit state)

Constant Power at Soak Power 2. Begins
rate control when the control delay time
elapses. [Delay Option, Control Delay,
Control Delay Time]

Active

Active

DEPOSIT

Thickness zeroed upon entry or reset to
stored value on Stop/Start without Reset.
Rate control. [Rate, Final Thickness, PID
Control, Process Gain, Primary Time
Constant, System Dead Time]

Active

Active

RATEWATCHER
(SAMPLE)
(Deposit state)

Rate control. [RateWatch Accuracy]

Active

Active

RATEWATCHER
(HOLD)
(Deposit state)

Constant power, based on last sample’s
average power. [RateWatch Hold Time]

Active

Inactive

RATE RAMP

Rate control, desired rate changing. [New
Rate , Start Ramp, Ramp Time ]

Active

Active

MANUAL

Source power controlled by handheld
controller or front panel Up/Down cursor
keys.

Active

Active

TIME-POWER

Crystal failed; source maintained at
average control power prior to crystal
failure. [Time Power Yes/No]

Active

Active

NOTE: The following are Post-Deposit states.

IDLE RAMP

Source changing to Idle Power. [Idle Ramp
Time, Idle Power]

Inactive

Inactive

IDLE (=0% Power)

Source maintained at zero power; will
accept a START command.

Inactive

Inactive

IDLE (>0% Power)

Source resting at Idle Power; will accept a
START command. Rise 1 and Soak 1 will
be skipped.

Inactive

Inactive

STOP
Note: Stop is not a
separate state but a
suspension of the current
state.

Source output set to zero power. The
display is frozen at the last rate and
thickness values.
Ref:

Recovering from STOP, see section

3.5.1.3

Inactive

Inactive

Table 3-1 State descriptions (continued)

STATE

CONDITION

RELAY CONTACT

STATUS

Source

Shutter

Sensor

Shutter