
98-6 Displays and Recorders
98.6 Color CRTs Using Shadow Masks
Color has been a part of the CRT world since the early 1950s. A sound understanding of human color per-
ception
is im
portant
fo
r
a de
tailed
un
derstanding
of co
lor
in CR
Ts
. Re
aders
in
terested
in an ex
cellent
co
m-
prehensive
tr
eatment
of co
lor
sc
ience
sh
ould
re
fer
to Wy
szecki
an
d
St
iles
[2
1]
or Ro
bertson
an
d
Fi
sher
[2
2]
fo
r
a br
ief
ov
erview
. e mo
st
co
mmon
me
thod
of in
troducing
co
lor
to th
e
CR
T
is th
e
th
ree-gun
sh
adow
ma
sk
te
chnique
. e sh
adow
ma
sk
is a me
tal
gr
id
of ma
ny
ti
ny
ap
ertures
he
ld
in pl
ace
im
mediately
be
fore
th
e
ph
osphor
sc
reen
. e ph
osphor
sc
reen
is an ar
ray
of th
ree
di
er ...