Chapter 4 sqm-142 card, 6 sqm-142 specifications – INFICON SID-142 Thin Film Deposition Controller User Manual

Page 60

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Chapter 4 SQM-142 Card

4-5

4.6 SQM-142 Specifications

Sensor Inputs ...................................................................4 (BNC)
Input Frequency................................................................1 to 10 MHz
Input Type ........................................................................Active Oscillator
Sample Period ...................................................................1 to 2 sec.
Thickness Resolution* ........................................................2Å @ .25sec.

.025Å @ 2sec.

Thickness Accuracy* ..........................................................5% + 1 count

Control Outputs ................................................................2 (dual phone jack)
Output Voltage..................................................................0 to

±

10VDC

Output Resolution .............................................................15 bits
Output Impedance ............................................................1 Kohm

Computer Interface
Interface Type ..................................................................16 bit ISA
IRQ Select........................................................................5, 10, 11, 12, 14, 15
Address Select .................................................................140, 180, 1C0, 220

Density=1, Z-Factor=1, Sensor Freq.=6MHz

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