參數(shù)資料
型號： F4655-01
廠商： Hamamatsu Photonics
英文描述： WIDE DYNAMIC RANGE MCP ASSEMBLY FOR HELIUM LEAK DETECTOR
中文描述： 寬動態(tài)范圍MCP的大會氦質(zhì)譜檢漏儀
文件頁數(shù)： 1/2頁
文件大小： 59K
代理商： F4655-01
PRELIMINARY DATA
MAY 1998
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject
to change without notice. No patent rights are granted to any of the circuits described herein.
1998 Hamamatsu Photonics K.K.
The F4655-01 is a very compact MCP assembly developed for
helium leak detector as well as mass spectrometer. It uses a
wide dynamic range MCP for extracting a high output current of
10
μ
A* with high stability.
* : At an MCP resistance of 20M
APPLICATIONS
Helium leak detector
Mass spectrometer
FEATURES
Wide dynamic range
Compact and lightweight
Good cost performance
Compact MCP assembly optimized for helium leak detector and
mass spectrometer using a wide dynamic range MCP
WIDE DYNAMIC RANGE
MCP ASSEMBLY
FOR HELIUM LEAK DETECTOR
F4655-01
Figure 1: MCP Output Linearity Characteristiscs
10
-7
10
-8
0
50
100
150
10
-6
10
-5
OUTPUT CURRENT (A)
R
10
-4
CONVENTIONAL
MCP (2 stage)
Wide Dynamic Range
MCP (2 stage)
Wide Dynamic Range
MCP (1 stage)
TMCPB0080EA
SPECIFICATIONS
GENERAL
Parameter
Value
30.0
14.5
8.5
12
1
Unit
mm
mm
mm
μ
m
-
Assembly Outer Diameter
Effective Diameter
Maximum Height
MCP Channel Diameter
Number of MCP Stages
Two-stage MCP type is also available on request
.
MAXIMUM RATINGS (Absolute Values)
MCP Supply Voltage (In-Out)
MCP-Out to Anode Voltage
1
kV
kV
0.5
Electric Potential at Each
Terminal
MCP-In: -1.5
MCP-Out: -0.5
Anode: GND
6.7
×
10
kV
Operating Vacuum Condition
Baking Temperature
Baking Time
Baking Vacuum Condition
Baking cannot be performed.
CHARACTERISTICS (at 1.3
×
10
Gain
Plate Resistance
Dark Current
-4
(5
×
10
-
-
-
B
-6
)
Pa (Torr)
°
C
h
Pa (Torr)
- 4
Pa (1
×
10
- 6
Torr), Ta=+25
°
C)
1
×
10
5 to 50
0.5
4
-
M
pA/cm
2
A
A
B
B
B
TMCPF0089
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