Nanoscale Vacuum Tubes
2
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
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Transcript of Nanoscale Vacuum Tubes
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
