Complex sentence: Since the mid 90's, Saraswat has worked on technology for scaling MOS technology to sub- 10 nm regime and pioneered several new concepts of 3-D ICs with multiple layers of heterogeneous devices.
Split into simpler sentences: Since the mid 90's, Saraswat has been working on technology for scaling MOS technology to sub- 10 nm regime. He has pioneered several new concepts of 3-D ICs with multiple layers of heterogeneous devices.