Functional purpose: amplification of weak signals.
MCPs are used to amplify weak signals and determine position parameters of particles in a variety of image detectors, as part of photoelectronic and X-ray vacuum devices, field-ion microscopes.
Specification
Schematic diagram
Rectangular microchannel plate
| Parameter, unit | Microchannel plate type | ||
|---|---|---|---|
| MCP 36×36 | MCP 20×90 | MCP 100×100-15 | |
| Nominal value | |||
Geometrics |
|||
| Outside dimensions А×А1,mm | 36×36 | 90×20 | 100×100 |
| Active area dimensions В×В1, mm | 34×34 | 86×26 | 96×96 |
| Thickness L, mm | 0.70±0.1 | 0.9 | 1.0–1.2 |
| Channel bias angle θ, degrees | 9°±1 | 7° | 8°±2 |
Structural parameters |
|||
| Channel diameter, μm | 12 | 15±0.5 | |
| Channel pitch, μm, | 19 max | 19 max | |
| Contact electrode material | Chromium | ||
Electrical ratings |
|||
| Rated voltage at gain of 104, V | 1100 max | – | 1200 max |
| MCP resistance, ×108 Ohm | 0.5–5 | 0.5–2.5 | 0.2–10 |