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  • Microchannel plates (MCPs) for Night Vision Devices

Extended specification

Circular microchannel plates

24.8 mm microchannel plates

Parameter, unit

Microchannel plate type

Rimmed MCP 18-3

Rimmed MCP 18-4

Rimmed MCP 18-5

Rimmed MCP 18-6

Rimmed MCP 18-6A

Rimmed MCP 18-8

Rimmed MCP 18-8A

Rimmed MCP 18-10

Rimmed MCP 18-10A

Reference value

Geometrics

     

Outer diameter D, mm

24,85 24,8 24,85

Active area diameter DA, mm

18,8 18,6

Contact electrode diameter DC, mm

23,7

Thickness L, mm

0,24 0,30 0,275 0,3 0,3 0,32 0,32 0,425 0,39

Channel bias angle θ, degrees

12° 12° 12°

End surface flatness tolerance, mm

0,03 0,025 0,02 0,03

End surface parallelity tolerance, mm

0,01

Solid border width, mm

1,6

Chamfer width, mm

0,014 to 0,18

Structural parameters

Channel diameter, µm

3,4 4,6 от 5,0 до 5,5 6 7,5 10 9,5

Center-to-center spacing, µm

4,2 5,5 6,5 8 9,5 12,2 to 12,9 12,5

Contact electrode material

Chrome

Identification mark indicates channel bias direction

Input

Electrical parameters

      

Operating voltage at gain 103, V

900 950 850 800

Nominal voltage at gain 104, V

1000 1250 1100 1150 1100

Gain at voltage 800 V

-

Gain at voltage 1100 V

-

MCP resistance, ×108Ω

0,3-1,0 0,5-2,5 0,8-1,5 1-3 1-2,5

Dark current density, A/cm2

2,2×10-14 1,6×10-13  1×10-13 2,2×10-13

Limiting resolution, lp/mm

86 60 86 70 60 45


32.8 mm microchannel plates

Parameter, unit

Microchannel plate type

Rimmed MCP 25-3

Rimmed MCP 25-6

Rimmed MCP 25-6 A

Rimmed MCP 25-8

Rimmed MCP 25-8 A

Rimmed MCP 25-10

Rimmed MCP 25-10 A

Reference value

Geometrics

Outer diameter D, mm

32,85

Active area diameter DA, mm

26

Contact electrode DC, mm

31,7

Thickness L, mm

0,26 0,3 0,3 0,32 0,32 0,4 0,42

Channel bias angle θ, degrees

12° 12° 12°

End surface flatness tolerance, mm

0,05 0,03 0,05

End surface parallelity tolerance, mm

0,01

Solid border width, mm

1,6

Chamfer width, mm

0,014 to 0,18

Structural parameters

Channel diameter, µm

3,4 6,5 7,5 10 10,3

Center-to-center spacing, µm

4,2 8 9,5 12,5 12,2 to 12,9

Contact electrode material

Chrome

Identification mark indicates channel bias direction

Input

Electrical parameters

Operating voltage at gain 103, V

- 850 800 -

Nominal voltage at gain 104, V

- 1100 -

Gain at voltage 800 V

- 2500

Gain at voltage 1100 V

1000 -

MCP resistance, ×108Ω

1-3 0,8-3,0 0,7-2,5 0,75-2,5

Dark current density, A/cm2

2,2×10-12 2,2×10-13

Limiting resolution, lp/mm

- 70 60 45