GETTER DEVICE FOR LARGE-SIZE ELECTRON TUBE

PURPOSE:To obtain a getter device for a large-size electron tube which can scatter a sufficient amount of getter material to a large-size electron tube stably. CONSTITUTION:In a metallic getter container 1, a getter material 2 which consists of a mixture of a Ba-Al alloy of 40 to 60wt.%, and Ni of 6...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: OKAI TADAKI, SUZUKI MASAAKI, NAKAYAMA SHOJI
Format: Patent
Sprache:eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:PURPOSE:To obtain a getter device for a large-size electron tube which can scatter a sufficient amount of getter material to a large-size electron tube stably. CONSTITUTION:In a metallic getter container 1, a getter material 2 which consists of a mixture of a Ba-Al alloy of 40 to 60wt.%, and Ni of 60 to 40wt.%, for example, is filled, so as to Qbtain. a getter device for a large size electron tube. The getter material 2 is filled in the condition that at least a part of it is made in a granulated powder, and thereby, the filling property of the getter material 2 is improved.