Title: PTH Process ?????
1PTH Process?????
- ???????
- Hurricane chemical co.,ltd.
- Tel 886-3-2127720
- Fax 886-3-3524476
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3PTH?????
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?? ?? ?? ?? ???
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4 ??/????? ??????,
??????,???? ????????????????
???????????????? ????????.
?? P-840 ???? 1. ?? 50 60 C
2. ?? 4 8 ??
3. ?? 8 12
5HOLE WALL AFTER DRILL
??
????
6AFTER CLEANER / CONDITIONER
??
????
7 ?????
?????????????????? ????.
?? SPS ???? 1. ?? 21 32 C
2. ?? 1 2 ??
3. ?? SPS 90-120g/L
H2SO410-20Ml/L
Cult25g/L 4. ????
40-60u
8 ??????
???????????, ???????? ??.
?? P-850 ???? 1. ?? 20 30 C
2. ?? 1 3 ??
3. ?? P-850 200-240g/L
P-850(Sp.gr) 1.14-1.18
HCL 2.5
9 ?????
??????????, ??????(Pd/Sn2/Sn4)
???????????????? ??, ????????.
?? P-860 ???? 1. ?? 42 46 C
2. ?? 4 6 ??
3. ?? P-860 3
HCL 2.5
10HOLE WALL AFTER ACTIVATOR
11 ?????
???????????????? ????,????????????.
?? P-870 ???? 1. ?? 20 30 C
2. ?? 56 ??
3. ?? 0.8 1.2 N
12CHEMICAL STRUCTURE OF PALLADIUM-TIN CATALYST
SnCl3
n-
SnCl3
SnCl3
Pd/Sn
SnCl3
SnCl3
SnCl3
SnCl3
13HOLE WALL AFTER ACCELERATOR
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
Pd
14 ???????????, ?????,
????????????????.
15???????
CuSO4 Cu²? SO4²?
Pd
2HCHO 2NaOH 2CHO? 2Na?
2H2O
Pd
Cu²? 2e? Cu
Cu²?SO4²?2CHO2Na?2OH?
CuNa2SO4H2HCOOH
HCOOH NaOH HCOONa H2O
16?????????
?? P-880A P-880B
P-880M 800Y 800Z
???? 1. ?? 25 30 C
2. ?? 1518 ??
3. ?? ???15-20g/L
Cu 1.5-3.2g
NaOH 10-18g/L
HCHO
510g/L 4.???? 15 20 u
17HOLE WALL AFTER ELECTROLESS COPPER
HOLE WALL AFTER DRILL
15-20u Cu
18???? ( 1 )
??????????SEM??,?????????????????.
19???? ( 2 )
??????????SEM??,????????????????.