Photomultiplier tube

Details Photomultiplier tube Photomultiplier tube

2005-01-25

2005-01-25

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S207000, C313S533000, C313S541000, C313S1030CM

Reexamination Certificate

active

06847028

ABSTRACT:
A photomultiplier tube excellent in vibration resistance and having an anode with good pulse linearity characteristic. The photomultiplier tube has a mesh anode (A) composed of an anode frame (A11) and a mesh electrode (A12) supported and surrounded by the anode frame (A11). The central portion of one long side (A11B) of the anode frame (A11) serves as an electron converging part (F). The inner side of the anode frame (A11) swells toward the inner part of the anode (A), more from the middle of the long side (A11B) toward the corners of the anode frame (A11) along the long side (A11B), and therefore the thickness of the anode frame (A11) increases from the middle of the long side (A11) to the corners along the long side (A11B).

REFERENCES:
patent: 4415832 (1983-11-01), Faulkner et al.
patent: 4577137 (1986-03-01), Kaiser
patent: 5936348 (1999-08-01), Shimoi et al.
patent: 6794629 (2004-09-01), Kato et al.
patent: 52-8377 (1977-02-01), None

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