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41
DPC
temperature /Pressure falling curve
0
100
0.1
1
10
0.01
(kPa
)
Pump exhaust 50L/min
Pump exhaust 260L/min
(kPa)
0.01
10
1
0.1
100
0
0.1
1000
5
10
15
DP43C/63Cpressure falling
characteristics
time(min)
V
a
ccum Degree
(
TOrr
)
1
10
100
DP63C
DP43C
0
5
10
15
DP23C/33C temperature falling
characteristics
(
center of furnace
)
[Vaccum state 1Torr (0.1kPa)以下]
time
(
hour
)
temp
(
)
100
200
240
DP33C
DP23C
DP43C
DP63C
150
100
50
temp
(
)
time
(
hour
)
[Vaccum state 1Torr (0.1kPa)以下]
15
10
5
0
200
DP23C
DP33C
100
10
1
time(min
)
DP23C/33C pressure falling
characteristics
15
10
5
1000
0.1
DP43C/63C temperature falling
characteristics
(
center of furnace
)
V
a
ccum Degree
(
TOrr
)