4-layer structure reflection type photocathode and photomultipli

Details 4-layer structure reflection type photocathode and photomultipli 4-layer structure reflection type photocathode and photomultipli

1992-09-11

1994-08-09

Yusko, Donald J.

Electric lamp and discharge devices

Photosensitive

Photomultiplier

313542, 313530, 2502141, 250207, H01J 134, H01J 4308

Patent

active

053369661

ABSTRACT:
A high performance reflection type photocathode for use in a photomultiplier tube is formed by sequentially depositing three layers on a substrate made of nickel. The first layer is made of either one of chromium, manganese and magnesium as a major component and is deposited over the substrate. The second layer is made of aluminum as a major component and is deposited over the first layer. The third layer is made of antimony and at least one kind of alkaline metals and is deposited over the second layer.

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patent: 4604545 (1986-08-01), McDonie et al.
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