Page 12 - Demo
P. 12
Unique Grids Are Key to High Beam Performance
+ENB kV
2r
d
t
~r j E3 2A
0 NB (d+t+r)2
K(r)ηn(ENB) neutralization
INB ~
extraction gap limited
efficiency transparency
§ 5-axis CNC machined slitted grids § 2.5 mm thickness, 35 cm diameter,
3 m curvature
§ Machining accuracy ~ 20 μm
by breakdown onset:
dmin ~ (ENB )α, α >1
grid
-1 kV
0 kV
24th CAARI – Forth Worth, TX, November 2, 2016
12