Development of Electric and Chemical Microthrusters

Table 1

Space experience of indium LMIS (up to September 2009).

Experiment	Function	Spacecraft	Na. of LMIS	Operation time
LOGION	Test of LMIS in μ-gravity	MIR	1	24 h (1991)
MIGMAS/A	Mass spectrometer	MIR	1	120 h (1991–1994)
EFE-IE	S/C potential control	GEOTAIL	8	600 h (1992–)
PCD	S/C potential control	EQUATOR-S	8	250 h (1998)
ASPOC	S/C potential control	CLUSTER	32	Ariane 5 launch failure 1996 still operational after crash
ASPOC-II	S/C potential control	CLUSTER-II	32	6516 (2000–)
COSIMA	Mass spectrometer	ROSETTA	2	Launched 2004 (tested in space)
ASPOC/DSP	S/C potential control	DoubleStar	4	8979 h (2004–)