Photomultiplier assembly having universal alignment means

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For shield

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313356, 313103R, 313292, H01J 153, H01J 4300

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active

043968597

ABSTRACT:
A photomultiplier assembly includes a tubular member of high magnetic permeability and a photomultiplier tube disposed within the tubular member. The photomultiplier tube has an encapsulated voltage distribution network attached thereto. A universal member extends longitudinally along at least a portion of the photomultiplier tube and provides a slip-fit between the photomultiplier tube and the tubular member so as to space the photomultiplier tube from the tubular member. The universal member has a retaining shoulder which projects radially inwardly between the photomultiplier tube and the voltage distribution network. A plurality of locking members are affixed between the universal member and the tubular member.

REFERENCES:
patent: 2425682 (1947-08-01), Liebmann
patent: 2493919 (1950-01-01), Holmes
patent: 2518048 (1950-08-01), Moore
patent: 3109050 (1963-10-01), Lusic
patent: 3152217 (1964-10-01), Balchaitis
patent: 3614519 (1981-10-01), Figlewicz et al.
patent: 3716739 (1973-02-01), Say
patent: 4115722 (1978-09-01), Johnson
patent: 4218712 (1980-08-01), Clymer et al.
patent: 4220890 (1980-09-01), Beekmans
Photomultiplier Handbook, RCA PMT-62, pp. 45-47, 76 and 89-90.

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