Manufacture of electrical rectifiers

470,973. Static contact rectifiers. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd. Feb. 25, 1936, No. 5636. Convention date, Oct. 23, 1935. Drawings to Specification. [Class 37] Copper blanks intended for the production of elements for copper-oxide rectifiers are heated at oxidizing temperature for a per...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: DOWLING PHILIP H
Format: Patent
Sprache:eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:470,973. Static contact rectifiers. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd. Feb. 25, 1936, No. 5636. Convention date, Oct. 23, 1935. Drawings to Specification. [Class 37] Copper blanks intended for the production of elements for copper-oxide rectifiers are heated at oxidizing temperature for a period of time not exceeding eight minutes, cooled to a lower temperature about 1050‹ F., maintained at this temperature for a period of the order of two hours and subsequently quenched. The elements may thereafter be baked at a temperature of about 212‹ F. for 16-72 hours.