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Name the process that is used to overcome the increase in collector series resistance, which occurs due to the presence of collector contact at the top of integrated transistor.

(a) Buried n^+ layer

(b) Buried p^+ layer

(c) Triple diffused layer

(d) Buried epitaxial layer

The question was asked during an online exam.

This question is from Active and Passive Components of IC topic in portion IC Fabrication of Linear Integrated Circuits

1 Answer

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by (39.8k points)
Accurate answer is (a) Buried n^+ layer

Illuminate the topic with: The value of collector series resistance of an integrated transistor can be easily reduced by a process known as “buried layer” or “Buried n^+ layer”.

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