Photokathodenvorrichtung für Subnanosekunden-Gating und Verfahren zur Herstellung davon sowie Vorrichtung zur Erkennung Sichtbarer und Ultravioletter Strahlung

Details

Veröffentlichungs-Nr.

EP4769473

Anmeldetag

27. Dezember 2024

Veröffentlichung

1. Juli 2026

Rechtsraum

EP

IPC

H01J1/34, H01J9/12

Abstract

Photocathode device for sub-nanosecond gating comprising an active photo-emission region (3) surrounded by an electrode region (5), the device comprising:- a substrate (7);- a photocathode layer (9) deposited on the substrate;wherein the device also comprises:- a conductive underlayer (11) deposited between the substrate and the photocathode layer in the active photo-emission region;- a layer of aluminium oxide (17) deposited between the conductive underlayer and the photocathode layer. In a preferred embodiment, the underlayer comprises a gold layer (15) deposited on a seed layer (13).Method of manufacturing of the photocathode device, and visible and ultraviolet radiation detection device comprising the photocathode device.

Anmelder

Firma

Photonis Netherlands B.V.

Land

🇳🇱 Niederlande

Fachgebiete