Agilent Technologies 4155B, User Manual

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Agilent 4155B/4156B VXIplug&play Driver User’s Guide, Edition 4
4-13
Sample Application Programs for HP VEE
Using sample1.vee
Table 4-2 Execution Flow of sample1.vee
Object Explanation
1 H/W Configuration Defines execution mode. Set the mode before running sample1.vee.
2 Save Directory,
Init G data dir Defines name of the subdirectory to save the measurement result
data. See “Installing the Sample Programs” on page 10.
3 Save Info File Defines and saves the information file (info.txt) which contains title,
date, and comments for the subdirectory. You can enter comments.
See “Measurement Data Files” on page 8.
4 Init Prober Initializes Cascade Summit series semi-auto prober, if used.
5 Init Instrument Initializes instrument, if used.
6 1, Init G 1st meas Sets G_1st_meas value. If G_1st_meas=1, header lines are written in
vth1.txt and vth2.txt. See “Measurement Data Files” on page 8.
7 Until Break Repeats the following sequence until a break occurs.
8 Start Measurement Triggers the start of the measurement.
9 X Index, Init G xidx,
Y Index, Init G yidx Defines X and Y index of the die tested. The index must be defined in
the *.ppd file used.
10 Goto Next Die, Break Probes the die specified by the X-Y index. Breaks if X index < 0.
11 Device1 Vth Measurement
Device2 Vth Measurement Executes Id-Vg measurement, extracts Vth, and saves measurement
results. See “Measurement Data Files” on page 8.
12 Device1 Vg-Id Graph
Device2 Vg-Id Graph Displays Id-Vg measurement result graphs of Device 1 and 2. See
Figure 4-6.
13 Show Result Displays Vth value and wafer map. See Figure 4-6. Dev1 Vth and
Dev2 Vth show Vth value, and the field below shows wafer map.
14 Update G 1st meas Sets G_1st_meas variable to 0.
15 Reset Instrument Resets the instruments.
16 Reset Prober Resets the prober.