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 |
| Plate Diameter | mm | 32.8 |
| Active Area Diameter | mm | not less than 26 |
| Plate Thickness | mm | 0.3 |
| Channel Diameter | um | 6 |
| Center-to-Center Spacing | um | 8 |
| Bias Angle | degrees | 5 |
| Electrical and Image Characteristics | ||
Parameter |
Dimension |
Value |
| Electron Gain at 800 V | - | 1000 |
| Resistance | ×108 Ohms | 1 - 3 |
| Minimum Limiting Resolution | lp/mm | 75 |
| Maximum Dark Current Density | ×10-14 A/cm2 | 5 |
| 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 Voltage | V | не более 1000 |
| Field Strength | V/mm | 10000 |
| Input Current Density | ×10-8 A/cm2 | 1 |
| Output Current Density | ×10-7 A/cm2 | 4 |
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.