Complex sentence: The bulk of semiconductors fabricated today have resist critical dimensions above 250 nm; this is also true of MEMS technology, GaAs, InP, LiNbO 3, and other substrate-type technologies.
Split into simpler sentences: The bulk of semiconductors fabricated today have resist critical dimensions above 0.25um. This is also true of MEMS technology, GaAs, InP, LiNbO3, and other substrate-type technologies.