Field emission devices using carbon nanotubes modified by energy, plasma ...

~10 -250|.Lm 3°00 EDGE '<—L>' FLAT TOP BOWL-SHAPED TOP

\-7 EDGE BUNDLES (3040) ~ ~ ~300pm BUNDLE K ‘ , ’_/ s(3o4o) POROUSTOP % LAYER (3020)

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SUBSTRATE (3010)

K 4000 TRANSPARENT INSULATING

GA GA
,,,,,,,,,,<,, LAYER (4050) POWER

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SUBSTRATE
S , ANODE CONDUCTOR LAYER (4080)
A N O D E “M '//1'J////////////Q////////////////////Q7////////////////////////////////////////////(Q
(4030) TE \- PHOSPHOR I TE
(4070) .\ n\
r////////////////.I///////1///////1//4
CATHODE \\
(4010)

FIG. 4

ELECTROPHORESIS / DEPOSITION
SOLUTION I
CNT 0.44 9 A A
IPA 150 ml
ELECTRODE /I \
5006
V~ (

AI (9 mm x 9 mm) X 3 \ T SPACER» R

VOLTAGE

T
00 100 v —a
I / 5000

CURRENT 5002 /(5004 3.8 mA A) \ IPA SOLUT om / TIME so min

F/G. 5

SCHEMATIC OF EMISSION MEASUREMENT

6 mm x 6 mm PHOSPHOR ON ITO
I U | TOP VIEW
I I FIG. 7A
ANODE (ITO)
CATHODE (AI) 1
I 7 I SIDE VIEW
I xiv‘/NV PI"IO$PI'IOR

PATTERNED CNT \ VACUUM IN EMISSION CHAMBER 5 x 10'9 TORR