Interface techniques for coupling a microchannel plate to a...

Details Interface techniques for coupling a microchannel plate to a... Interface techniques for coupling a microchannel plate to a...

2011-07-05

2011-07-05

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S207000

Reexamination Certificate

active

07973272

ABSTRACT:
Techniques are disclosed that can be used to interface a microchannel plate (MCP) with readout circuitry. The techniques can be employed, for instance, with MCP based devices used in a numerous sensing/detection applications, and are particularly suitable for applications where it is desirable to interface an MCP having a relatively large active area to a readout circuit having a relatively smaller active area. The interface effectively decouples anode geometry from ROIC geometry and may also be configured with flexible anode pad geometry, which allows for compensation of optical blur variations as well as a very high fill factor. The interface can be made using standard semiconductor materials and photolithography techniques, and can be configured with thermal expansion qualities that closely track or otherwise match that of the readout circuitry.

REFERENCES:
patent: 5544722 (1996-08-01), McKenzie
patent: 7485872 (2009-02-01), Frisch et al.
Martin et al., Characterization of a Microchannel Plate Photomultiplier Tube with High Sensitivity GaAs Photocathode, 6 pages.
Microchannel Plates and MCP Detectors and Imaging Systems, downloaded on Jan. 28, 2009 from http://www.dmphotonics.com/MCP—MCPImageIntensifiers/mcp—references.htm, 14 pages.
“Medipix”, downloaded on Feb. 17, 2009 from http://en.wikipedia/wiki/Medipix, 2 pages.
Tremsin et al., The Latest Developments of High Gain Si Microchannel Plates; Proc. SPIE, vol. 4854, “Future EUV-UV and Visible Space Astrophysics Missions and Instrumentation”, Hawaii (2002); 10 pages.

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