diffused base造句

The emitter well is etched very shallow into this diffused base layer.
One complication may arise from Alstom's diffuse base of equity and debt holders.
The diffused base layer was created on top of this.
Then two alloy beads, one P-type and one N-type were fused on top of the diffused base layer.
On January 12, 1956, a diffused base transistor was unveiled at Laureldale before top military brass at a solid-state diffusion symposium.
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A doping-engineered electric field was created in the diffused base layer to reduce the charge carrier base transit time ( similar to the drift-field transistor ).
While these two events were significant, the event that started the Silicon Age was the invention of the diffused base silicon transistor by Tanenbaum and Fuller in 1955.
For high-speed operation, the collector well is etched all the way through the diffused base layer and through most of the intrinsic base semiconductor region, forming an extremely thin base region.
The Philco micro-alloy diffused transistor had a mechanical weakness that ultimately limited their speed; the thin diffused base layer would break if made too thin, but to get high speed it needed to be as thin as possible.