ge first transistors

[Jon Elson]

On 11/14/2019 09:00 AM, Chuck Guzis via cctalk wrote:
> Julius Edgar Lilienfeld filed a patent in 1925 (US 1745175)
My understanding is he got a single transistor to work ONCE 
for a few hours.  Maybe actually he got a couple to work, 
but they were very fragile and degraded quickly.  The Bell 
Labs guys got their to work for at least weeks and could 
make them fairly reliably. Lillienfeld's transistor was a 
field effect type, not BJT.  I think the ability in 1947 to 
manufacture semiconductor materials and understanding of 
doping and other processing was why the Bell Labs guys were 
so much more successful.
It was only 5 years before commercial transistorized 
products started to appear.

Jon