Electron tube and method for manufacturing electron tube

Details Electron tube and method for manufacturing electron tube Electron tube and method for manufacturing electron tube

2006-06-28

2010-06-22

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

Photosensitive

Secondary emitter type

C313S1030CM, C313S532000, C313S541000, C313S542000, C313S544000, C250S207000

Reexamination Certificate

active

07741759

ABSTRACT:
A photomultiplier tube1is an electron tube comprising an envelope5including a frame3bhaving at least one end part formed with an opening and an upper substrate2airtightly joined to the opening, and a photocathode6contained within the envelope5, the photocathode6emitting a photoelectron into the envelope5in response to light incident thereon from the outside; wherein multilayer metal films10b,10aeach constituted by a metal film made of titanium, a metal film made of platinum, and a metal film made of gold laminated in this order are formed at the opening and the joint part between the upper substrate2and opening; and wherein the frame3band upper side substrate2are joined to each other by holding a joint layer14containing indium between the respective multilayer metal films10b,10a.

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patent: 2003-175500 (2003-06-01), None
patent: 2004-226632 (2004-08-01), None

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