Philco_Surface_Barrier_transistor=1953.jpg
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Summary
| Description |
English:
This is a rare Philco "experimental" surface barrier transistor that is encapsulated in a sealed vacuum tube and was developed in early 1953. This item is in my private archive collection, that I had acquired from a former Philco engineer employee that worked at the Lansdale Tube company - Philco division. Philco had made its production models of the surface barrier transistor in late 1953, which were hermetically sealed in a small aluminum can.
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| Date | |
| Source | Own work |
| Author | Historianbuff |
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