Microchannel Plate with Solid Border MCP B 25-6

Microchannel Plate is intended for operation in vacuum inside Image Intensifier Tubes as a multi-channel secondary-electron multiplier of electron images.

Alternative specification may be made on customer’s order.

Size-shape factors

Parameter

Dimension

Value

Outside Diametermm32.8
Active Area Diametermmnot less than 26
Plate Thicknessmm0.3
Pore Sizeum6
Channel Pitchum8
Channel Biasdegrees5
Electrical and Image Characteristics

Parameter

Dimension

Value

Electron Gain at 800 V-1000
Resistance×108 Ohms1 - 3
Minimum Limiting Resolutionlp/mm75
Maximum Dark Current Density×10-14 A/cm25
Noise factor, typical value-2.5
Open Area Ratio%not less than 59

MTTF (mean time to failure) – not less than 7500 hrs.

Absolute maximum ratings

Description

Units

Limiting Value

Operating VoltageVне более 1000
Field StrengthV/mm10000
Input Current Density×10-8 A/cm21
Output Current Density×10-7 A/cm24

Vacuum Bakeout Limiting Temperature: 440° С during not more than 6 hrs. at 5×10-6Torr.

Warranties:

Shelf-life: the MCP shall be stored in container provided by the manufacturer during 6 months, in vacuum (1.33×10-3 Pa) during 1 year or 15 years as a part of an image intensifier tube. The shelf-life is to be calculated from the acceptance date of manufacturer’s quality inspection, and in a case of reacceptance from the reacceptance date.