PRODUCTION ENGINEERING MEASURE FOR TYPE FW-202 BARRIER GRID STORAGE TUBE.
Quarterly progress rept. no. 11, 1 Jan-31 Mar 64,
ITT ELECTRON TUBE DIV ROANOKE VA
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Nine additional barrier grid tubes were assembled and exhausted during this report period. The beam current problem reported in AD-604 732 is still unresolved. A new gun was designed and will be assembled and tested during the next quarter. One barrier grid tube which meets complete specification was placed on life test. The circuitry for operating the barrier grid monitor tube was completed and is in operation. Author