Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1991-05-21
1991-10-22
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250368, 250367, 25036302, G01T 120, G01T 1164
Patent
active
050597981
ABSTRACT:
Photomultiplier tubes are bonded using silicone gel, which cures to a soft state. Small glass or plastic spheres are placed in the gel before it has cured so as to weaken it and make it easier to shear when the photomultiplier tubes are twisted or tipped. The resulting bond is mechanically and optically adequate but not so strong as to make it impossible to remove a photomultiplier tube which must be replaced.
REFERENCES:
patent: 4029964 (1977-06-01), Ashe
patent: 4292538 (1981-09-01), Carlson
patent: 4731534 (1988-03-01), Klein et al.
patent: 4795910 (1989-01-01), Henderson et al.
patent: 5012103 (1991-04-01), Tanaka et al.
Dunn Drew A.
Fields Carolyn E.
Jay Mark H.
Siemens Gammasonics Inc.
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