<s>
SELF-SCAN	B-Device
is	O
a	O
family	O
of	O
plasma	O
displays	O
introduced	O
by	O
Burroughs	O
Corporation	O
during	O
the	O
1970s	O
.	O
</s>
<s>
The	O
most	O
common	O
format	O
was	O
a	O
single-row	O
dot	B-General_Concept
matrix	I-General_Concept
display	O
in	O
sizes	O
from	O
16	O
to	O
40	O
ASCII	B-Protocol
characters	I-Protocol
wide	O
.	O
</s>
<s>
Other	O
formats	O
were	O
also	O
produced	O
,	O
including	O
the	O
SELF-SCAN	B-Device
II	O
40	O
wide	O
by	O
12	O
or	O
6	O
line	O
high	O
displays	O
,	O
and	O
a	O
variety	O
of	O
custom	O
displays	O
showing	O
gauges	O
or	O
pointers	O
.	O
</s>
<s>
The	O
SELF-SCAN	B-Device
displays	O
were	O
an	O
important	O
stepping-stone	O
technology	O
between	O
printer-based	O
teletype-like	O
terminals	O
of	O
the	O
1960s	O
and	O
the	O
widespread	O
use	O
of	O
cathode	B-Device
ray	I-Device
tube	I-Device
(	O
CRT	O
)	O
displays	O
from	O
the	O
mid-1970s	O
on	O
.	O
</s>
<s>
They	O
were	O
often	O
used	O
for	O
operator	O
terminals	O
on	O
mainframe	B-Architecture
and	O
minicomputers	B-Architecture
,	O
and	O
after	O
that	O
continued	O
to	O
see	O
some	O
use	O
in	O
demanding	O
environments	O
where	O
their	O
thinness	O
,	O
on	O
the	O
order	O
of	O
1	O
inch	O
,	O
and	O
resistance	O
to	O
interference	O
from	O
magnetic	O
and	O
electric	O
fields	O
that	O
cause	O
problems	O
for	O
CRTs	O
.	O
</s>
<s>
The	O
introduction	O
of	O
low-cost	O
liquid	B-Device
crystal	I-Device
displays	I-Device
(	O
LCD	B-Device
)	O
s	O
replaced	O
plasma	O
displays	O
in	O
these	O
uses	O
by	O
the	O
mid-1990s	O
.	O
</s>
