I recollect that some years ago a japanese company had demonstrated a
miro"plane" a device that could move out of plane.  I'm not sure which one
it was, but it was one of the participants in the Japanese micromachine
program run by neDO and managed by micromachine center

Shekhar


________________________________________________________________
Shekhar Bhansali Ph.D
STA Fellow
National Research Laboratory of Metrology
1-1-4 Umezono
Tsukuba, Ibaraki 305 JAPAN
Phone +81 298 54 4052       Fax:  +81 298 54 4135