Accession Number:

AD0610837

Title:

SOLDER-GLASS SEALING OF MICROWAVE ANTENNA WINDOWS,

Descriptive Note:

Corporate Author:

HARRY DIAMOND LABS WASHINGTON D C

Personal Author(s):

Report Date:

1964-11-13

Pagination or Media Count:

15.0

Abstract:

Simple solder-glass techniques are described for vacuum-tight sealing of mica and glass microwave windows in a metal frame having a compatible coefficient of thermal expansion. The seal is made by applying 0.020 in. diameter threads of Corning No. 7570 solder glass to heated frame and window. A hand torch and quartz boat proved satisfactory for heating with mica of thicknesses of 0.003 in. or greater. A simple cone resistance heater with variac and a metal table provided more precise heating for sealing thinner windows. The materials are inexpensive the procedure and equipment are simple. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE