<s>
Micropattern	B-Algorithm
gaseous	I-Algorithm
detectors	I-Algorithm
(	O
MPGDs	O
)	O
are	O
a	O
group	O
of	O
gaseous	B-Algorithm
ionization	I-Algorithm
detectors	I-Algorithm
consisting	O
of	O
microelectronic	O
structures	O
with	O
sub-millimeter	O
distances	O
between	O
anode	O
and	O
cathode	O
electrodes	O
.	O
</s>
<s>
Examples	O
of	O
MPGDs	O
include	O
the	O
microstrip	O
gas	O
chamber	O
,	O
the	O
gas	O
electron	O
multiplier	O
and	O
the	O
Micromegas	B-Algorithm
detector	I-Algorithm
.	O
</s>
