September 1, 2022

SEM deep dive #1 : weekend die-shot

SEM not only allows to see smaller things - it can also have larger depth of focus (so we can see things more in "3d") and shows texture/material differently. Let's look at few select chips of the past 2 years.

First K122UN2 - dual stage audio amplifier:

1KT901 - 5 channel analog MOSFET commutator:

National LM710CH - Voltage Comparator:

Motorola MC1596G - balanced modulator/demodulator: