Ground plane insulating coating for proximity focused devices
Abstract
A thin layer of alumina (aluminum oxide) is coated onto the ground plane of a microchannel plate (MCP) without covering the pores of the MCP so it does not effect the performance. The coating is sputtered onto the ground plane at a very steep angle. The addition of the thin dielectric coating of alumina greatly improves the spatial resolution of proximity focused image intensifiers using a narrow gap between the phosphor screen and the MCP. With the coating on the ground plane and the same gap the phosphor screen can be ran at 9000 volts, as compared to 3 kV without the coating.
- Inventors:
-
- Manteca, CA
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- OSTI Identifier:
- 871710
- Patent Number(s):
- 5780961
- Assignee:
- Regents of University of California (Oakland, CA)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- ground; plane; insulating; coating; proximity; focused; devices; layer; alumina; aluminum; oxide; coated; microchannel; plate; mcp; covering; pores; effect; performance; sputtered; steep; angle; addition; dielectric; greatly; improves; spatial; resolution; image; intensifiers; narrow; gap; phosphor; screen; ran; 9000; volts; compared; kv; phosphor screen; channel plate; image intensifier; ground plane; aluminum oxide; spatial resolution; microchannel plate; narrow gap; insulating coating; greatly improves; focused image; image intensifiers; dielectric coating; /313/
Citation Formats
Power, Gary D. Ground plane insulating coating for proximity focused devices. United States: N. p., 1998.
Web.
Power, Gary D. Ground plane insulating coating for proximity focused devices. United States.
Power, Gary D. Thu .
"Ground plane insulating coating for proximity focused devices". United States. https://www.osti.gov/servlets/purl/871710.
@article{osti_871710,
title = {Ground plane insulating coating for proximity focused devices},
author = {Power, Gary D},
abstractNote = {A thin layer of alumina (aluminum oxide) is coated onto the ground plane of a microchannel plate (MCP) without covering the pores of the MCP so it does not effect the performance. The coating is sputtered onto the ground plane at a very steep angle. The addition of the thin dielectric coating of alumina greatly improves the spatial resolution of proximity focused image intensifiers using a narrow gap between the phosphor screen and the MCP. With the coating on the ground plane and the same gap the phosphor screen can be ran at 9000 volts, as compared to 3 kV without the coating.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 1998},
month = {Thu Jan 01 00:00:00 EST 1998}
}
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