4-8
Agilent 4155B/4156B VXIplug&play Driver User’s Guide, Edition 4
Sample Application Programs for HP VEE
Introduction
Measurement Data Files
The sample programs create three types of data files, as shown below.
info.txt
Information file. Title, date, and comment are included.
vth
n
.txt
Vth data file. If 5 dies are tested, 5 data are included. For the file
name,
n
is 1 or 2 (1 for device1, 2 for device2).
d
n
vgid
xy
.txt
Row measurement data file of Id-Vg curve. If 5 dies are tested,
the program creates 10 data files (5 files/device). The file names
n
,
x
, and
y
indicate the following:
n
: 1 or 2 (1 for device1, 2 for device2).
x
: X-index of the die position.
y
: Y-index of the die position.
Figure 4-3
Example of Data Files Created by Sample Programs
Data Save Directory for HP4155B/4156B Sample Program
Mon 15/Jun/1998 14:14:30
Comment :
Device 1 Vth Table
X Index
Y Index
"Vth [V]"
5
7
9.21E-01
7
5
9.19E-01
5
5
7.32E-01
3
5
9.20E-01
5
3
9.22E-01
Device 2 Vth Table
X Index
Y Index
"Vth [V]"
5
7
9.10E-01
7
5
9.19E-01
5
5
9.06E-01
3
5
9.22E-01
5
3
9.09E-01
(5,5) Device 1 Vg-Id Data
Vg [V]
Id [A]
Id Status
-5.00E-01
8.00E-15
0
-4.13E-01
8.00E-15
0
-3.25E-01
7.06E-15
0
-2.38E-01
6.06E-15
0
-1.50E-01
6.00E-15
0
-6.25E-02
6.00E-15
0
2.50E-02
5.06E-15
0
1.13E-01
6.89E-15
0
2.00E-01
2.87E-14
0
2.88E-01
4.61E-13
0
3.75E-01
9.17E-12
0
4.63E-01
1.66E-10
0
5.50E-01
2.91E-09
0
(5,5) Device 2 Vg-Id Data
Vg [V]
Id [A]
Id Status
-5.00E-01
9.00E-15
0
-4.13E-01
8.00E-15
0
-3.25E-01
8.00E-15
0
-2.38E-01
8.00E-15
0
-1.50E-01
7.00E-15
0
-6.25E-02
6.00E-15
0
2.50E-02
6.00E-15
0
1.13E-01
6.00E-15
0
2.00E-01
5.00E-15
0
2.88E-01
6.99E-15
0
3.75E-01
2.99E-14
0
4.63E-01
4.85E-13
0
5.50E-01
9.67E-12
0
info.txt
vth1.txt
vth2.txt
d1vgid55.txt
d2vgid55.txt