4
3
DWG.NO.
.
BOARD's
FHS
D
Note 11
4.724
1
1
REV.
A
HOLE SCHEDULE
COUNT
PLATED
.009
4229
YES
.0236
.410
YES
.04015748
.
SH
2815
COMMENT
8
YES
.041
. 52
YES
3
.057
.
8
YES
6
6
.059055118
.
1
NO
.078740157
.
4
NO
.078740157
.
1
YES
.106
.
.16692913
.
2
0.095"
+/-.008"
YES
8
YES
1.
2.
3.
4.
5. Signal 5
6
6
7. Signal 7
6. Ground 3
8. Ground 5
3
9. Ground 6
6
6
10. Signal 8
11. Ground 4
12. Signal 6
13. Power 2
6
6
14. Signal 3
15. Ground 1
3
C
6.181
Signal 1, Top
Ground 2
Signal 2
Power 1
6
6
6
6
Note 12
D
Layer Order:
[mils]
Note 10
16. Signal 4, Bottom
C
Board Characteristics: 16-Layer Board
0. All dimension in inches unless specified otherwise.
1. Material: FR4, Tg > 170 C.
9.183
2. Board Thickness: 0.095"+/-0.008"
3. Minimum Trace Width 0.005"
Minimum clearrence 0.004" on all signal layers.
4. 1 oz Copper for top, bottom and power layers; 1/2 oz Copper for embedded signal layers.
5. Electroless Nickel/Immersion Gold
plating; apply solder mask.
min 25 um Cu, 2.5-5 um Ni, 0.05-0.2 um Au (Electroless Ni/Immersion Au).
6. Silkscreen on Both Sides
.502
Note 12
7. Interlayer spacing : as specified.
8. FHS tolerances : +/- 0.003" unless specified otherwise.
9. Impedance 50 Ohm
B
for all 5-mil traces
B
10. This is a pressfit tech. thru hole with the following specs:
- Diameter of drilled hole: 0.7mm +/-0.02mm
- Diameter of finished plated through hole: 0.6 mm +/-0.05mm
Note 11
.768
- Hole Plating: min 25 um Cu, 2.5-5 um Ni, 0.05-0.2 um Au (Electroless Ni/Immersion Au).
11. 45 degree chamfer
12. Mill the Top and Bottom of Board on the Slder Side to a thickness of 0.063" +/- 0.008".
1.270
Width of the milled areas: 0.1" +0 / -0.05"
.522
UNLESS OTHERWISE SPECIFIED
CONTRACT NO.
THE UNIVERSITY OF CHICAGO
DIMENSIONS ARE IN INCHES
TOLERANCES ARE:
FRACTIONS
DECIMALS
ELECTRONICS DEVELOPMENT GROUP
ANGLES
.008
A
APPROVALS
.
DATE
TITLE
DO NOT SCALE DRAWING
DRAWN
TREATMENT
CHECKED
M. Bogdan
5/8/13
H. Sanders
5/8/13
Dark Matter Search
SIZE
FINISH
FSCM NO.
ACT.WT
CALC WT
SCALE
THIS SHEET IS COMPUTER GENERATED
4
3
DWG.NO.
REV.
2815
ISSUED
SIMILAR TO
2
A
MUX Transition Board
1/2
SHEET
1
A
1 of 1