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EL34 assembly |
EL34 assembly |
Mounting grid radiators and two halves of EL34 plate |
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Welding of EL34 plate |
Installation of pins and evacuation tubulation in glass tube base |
Installation of pins and evacuation tubulation in glass tube base |
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Heat sealing of glass tube base to evacuation stem and forming of glass to metal seals around the pins |
Mounting of EL34 getters |
Putting EL34 assembly into glass envelope in preparation for sealing |
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Sealing of SV6550C envelope to glass base |
Sealing of SV6550C envelope to glass base |
Cooling apparatus for sealed SV6L6GC envelope assemblies |
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Quality inspection of SV6L6GC |
Testing EL34 |
EL34 Matching |
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