Nuvistor Vacuum Tubes
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TECHNOLOGY
Electronics
Nuvistor Vacuum Tubes
A vacuum tube nearly as small as a transistor reshaped electronics in 1959
3 days ago
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What manufacturing innovation allowed nuvistors to achieve their compact size compared to traditional vacuum tubes?
Using conventional vacuum fittings but with smaller glass envelopes
Assembly and sealing inside vacuum chambers using robotic devices without external vacuum fittings
Replacing vacuum with solid-state components inside the tube
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TECHNOLOGY
Electronics
Nuvistor Vacuum Tubes
A vacuum tube shrunk to transistor size challenged the future of electronics
9 Feb 2026
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What was the primary manufacturing innovation that allowed nuvistors to be much smaller than conventional vacuum tubes?
They used a new type of glass that could be molded into smaller shapes.
They were made from solid-state materials instead of vacuum tubes.
They were assembled and sealed inside vacuum chambers using robotic devices, eliminating the need for a vacuum fitting.
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