Method of constructing low crosstalk faceplates

Details Method of constructing low crosstalk faceplates Method of constructing low crosstalk faceplates

1994-04-08

1995-08-29

Duda, Kathleen

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making electrical device

430319, 430320, 430330, 430396, G03F 700

Patent

active

054459214

ABSTRACT:
A method of constructing a low crosstalk faceplate for a multiple section photomultiplier tube is disclosed. To prevent scatter of incident radiation into adjacent sections, a glass barrier which absorbs the incident radiation is formed within the faceplate around each clear glass section and across the entire thickness of the faceplate. The construction method involves the use of a glass whose transmission characteristic can be varied by exposure to ultraviolet radiation. Thus, the faceplate is constructed of the U.V. sensitive glass, specific areas are masked, and then the glass is exposed to the required radiation and a following heat treatment. The boundary regions around each photocathode are thereby converted to opaque glass.

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patent: 5077504 (1991-12-01), Hewy
patent: 5083017 (1992-01-01), Anno et al.
patent: 5303282 (1994-04-01), Kwasnick

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