[Wurlitzer]

Article is big on business numbers and small on the actual device.

I like the achievement but more meat on the device would have been helpful.

What is the capacitance range
What is the Max Voltage.
What is its leakage
What is its internal resistance

Unless it has a usable capacitance and voltage rating and unless resistors, ICs are reduced in size seems this might be a nice device on paper waiting for an application.

[Red Badger]

The voltage cannot be much over about 25 volts. The physical size alone it seems would preclude anything larger..........

[backwoods-engineer]

Unless it has a usable capacitance and voltage rating and unless resistors, ICs are reduced in size seems this might be a nice device on paper waiting for an application.

No. Even capacitors in the picoFarad (billionth of a volt-amp) range are useful in radio-frequency communications modules. When your carrier frequency is in GHz, and your inductor is in nanoHenries, it is natural for the capacitance to be just a few picoFarads.