WIDE DYNAMIC RANGE
MICROCHANNEL PLATES
F6584 SERIES
20 µA Output Current is Available *
The F6584 series is a wide dynamic range MCP that offers more than ten - fold increase in maximum output current
compared to conventional MCPs. This increased current capability is due to low plate resistance. When operated in pulse
counting mode, the F6584 series MCPs also provide maximum counting capability that is more than ten - fold higher than
conventional MCPs. The design is optimized to prevent resistance reduction resulting from high power consumption or
high temperature operation.
The F6584 series MCPs therefore offer excellent stability and reliability even during high current or high temperature
operations. This results in a very wide dynamic range, making these MCPs ideal for various applications such as mass
spectrometers and usage for high counting PMTs.
FEATURES
q
Wide Dynamic Range Typ. 20 µA Maximum Output Current *
q
Operable in high temperature condition (+350°C Max.
c
)
q
High Gain and Low Noise
* When the MCP resistance is less than 10 MΩ.
APPLICATIONS
q
MS Detector
q
GC-MS
q
ESCA
q
ICP-MS
q
LC-MS
q
Mössbauer Detector
SPECIFICATIONS
GENERAL
Parameter
Outer Diameter
Effective Diameter
Plate Thickness
Channel Diameter
Channel Pitch
Bias Angle
Open Area Ratio
Electrode Material
F6584-01
F6584-09
24.9
20
0.48
12
15
5,15
60
Inconel
0.43
10
12
Unit
mm
mm
mm
µm
µm
degree
%
–
CURRENT GAIN
Figure 1: Typical Current Gain vs. Supply Voltage
TMCPB0043EA
10
4
CHARACTERISTICS
(at 1000V, 1.3×10
-4
Pa(1×10
-6
Torr), +25°C)
Gain
Plate Resistance
Maximum Dark Current
Maximum Linear Output Signal
More than 10
4
2 to 30
5
×
10
-13
10 to 20% of the strip current
a
–
MΩ
A/cm
2
–
10
3
MAXIMUM RATINGS (Absolute Values)
Supply Voltage
b
Ambient Temperature
C
1000
-50 to +350
V
°C
10
2
500
600
700
800
900
1000
1100
NOTE:
a:
The strip current is the current flowing through the channel
walls, which supplies the current released from the channel
walls. It is given by : Supply voltage / Plate resistance.
b:
At a vacuum of 1.3
×
10
-4
Pa(1
×
10
-6
Torr) or less.
C:
Single plate operation
SUPPLY VOLTAGE (V)
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.
WIDE DYNAMIC RANGE MICROCHANNEL PLATES F6584 SERIES
Figure 2: MCP Saturation Characteristics (D.C. MODE)
TMCPB0041EB
Figure 3: MCP Saturation Characteristics
(COUNTING MODE)
10
8
TMCPB0042EC
150
NUMBER OF COUNTS (cps)
WIDE DYNAMIC RANGE MCP
R=10.8 MΩ
V
MCP
=800 V
RELATIVE GAIN [%]
10
7
STANDARD MCP
RESISTANCE :
400 MΩ/ 2 STAGE MCP
GAIN : 5×10
6
100
STANDARD MCP
R=550 MΩ
V
MCP
=800 V
50
10
6
10
5
F6584 WIDE DYNAMIC RANGE MCP
RESISTANCE : 22.4 MΩ/ 2 STAGE MCP
GAIN : 8×10
6
10
-7
10
-6
10
-5
10
-4
0
10
-8
10
-7
10
-6
10
-5
10
-4
10
4
10
-8
OUTPUT CURRENT [A]
OUTPUT CHARGE (C/s)
Figure 4: MCP Dimensional Outline (Unit : mm)
INDICATOR*
T
EFFECTIVE
AREA
ELECTRODE
INPUT SIDE
24.9
20
θ
F6584-01 F6584-09
T
0.48
0.43
θ
: Bias Angle
*This indicator shows the MCP input side and the direction of channel bias.
TMCPA0030EB
PRECAUTIONS FOR USE
q
Avoid touching the MCP or MCP assem-
bly with bare hands.
q
Handle the MCP only in a clean room
since dust and humidity may adversely
affect MCP characteristics.
q
The MCP should be operated in vacuum
below 1.33 x 10
-4
Pa(1
×
10
-6
torr).
q
The MCP should be kept in vacuum or dry
nitrogen gas atmosphere during long
periods of storage.
q
When outgassing from the MCP occurs,
baking the MCP at 400°C maximum in a
vacuum system is recommended. In ad-
dition electron bombarding may be effec-
tive.
HAMAMATSU PHOTONICS K.K., Electron Tube Center
314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205
U.S.A.:
Hamamatsu Corporation: 360 Foothill Road, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1)908-231-0960, Fax: (1)908-231-1218
Germany:
Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658
France:
Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10
United Kingdom:
Hamamatsu Photonics UK Limited: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: (44)181-367-3560, Fax: (44)181-367-6384
North Europe:
Hamamatsu Photonics Norden AB: Färögatan 7, S-164-40 Kista, Sweden, Telephone: (46)8-703-29-50, Fax: (46)8-750-58-95
Italy:
Hamamatsu Photonics Italia S.R.L.: Via Della Moia, 1/E 20020 Arese, (Milano), Italy, Telephone: (39)2-935 81 733, Fax: (39)2-935 81 741
TMCP1012E04
MAR. 1998. SI (9603)
Printed in Japan (500)
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