
Wafer Prober DUT Board and Probe Card 4 Test Head Filling and DUT Board Considerations
System Reference, January 2001
107
Probe Card-Pogo Pad Assignment
See the same drawing as in
“DUT Board of Wafer Prober”
on page 105
In Figure 47 on page 107, you are given a schematic
drawing of a probe card.
Figure 47 Schematic Drawing of Probe Card- View from DUT Side
In Figure 47 on page 107now, you can see the general
structure of the eight probe card segments. Each segment
consists of smaller units indicated by the lines.
signal line pogo pads The units with the black numbers away from the circle’s
center contain the pogo pads for the signal lines.
utility line pogo pads The units named UT1-8 are the areas where the pogo pads
of the utility lines are placed.
231
229
227
225
226
228
230
232
UT4
115
113
111
109116
114
112
110
UT3
215
213
211
209
216
214
212
210
UT7
217
219
221
223
218
220
222
224
UT8
125
127
129
131
126
128
130
132
UT5
117
119
121
123
118
120
122
124
102
UT1
101
103
105
107
104
106
108
UT2
202
201
203
205
207
204
206
208
UT6
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
3
4
2
1
2
3
4
1
2
3
4
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
4
3
3
4
S
e
g
.
8
Se
g
.
2
S
e
g
.
6
Se
g
.
5
S
e
g
.
1
S
e
g
.
4
S
e
g
.
3
S
e
g
.
7
Seg. = Segment
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