Diffused junction transistor: Difference between revisions

Revision as of 02:12, 11 April 2021

Revision as of 11:50, 23 November 2021

Line 5:

==Diffused-base transistor==

The earliest diffused junction transistors were '''diffused-base transistors'''. These transistors still had alloy emitters and sometimes alloy collectors like the earlier alloy-junction transistors. Only the base was diffused into the substrate. Sometimes the substrate formed the collector, but in transistors like [[Philco]]'s [[micro-alloy diffused transistor]]s the substrate was the bulk of the base.

==Double diffusion==