ARCTek3

Pros and Cons of vacuum tube and MOSFET

+ High power

+ High performance

+ Radiation hard

- Bulky, Fragile

- Expensive

- Short Lifetime

- Power consumption

Vacuum Tube

+ Cheap

+ Reliable

+ Long lifetime

+ Range of applications

- End of scaling

- Low breakdown

MOSFET

+ CMOS process

+ Cheap

+ Long lifetime

+ High power

+ High performance

+ Range of applications

+ Radiation hard

Nano Vacuum Tube

Cathode Anode

Back gate

Vacuum ambient

<5nm

<50nm

ARCTek3

Preliminary Nano Vacuum Tube Structure

E

C

G

G

S

D

-4 -2 0 2 4 6 8 10 12

0

5

10

15

20

25

Co

llect

or

curr

ent,

Ic (

A)

Co

llect

or

curr

ent,

I c (µA

)

Gate voltage, Vg (V)

10-12

10-10

10-8

10-6

SS=4.2V/dec

VT=8.8V

150 nm

MOSFET

Vacuum field-emission transistor