CMOS process enhancements Questions with Complete Correct Answers | Grade A+

CMOS process enhancements Ans: 1.Transistors 2.Interconnect 3.Circuit elements 4.Beyond conventional CMOS Transistors Ans: 1.Multiple threshold voltage and oxide thickness 2.Silicon on insulator 3.Floating body voltage 4.High k gate dielectrics 5.Low leakage transistors 6.Higher mobility 7.Plastic transistors 8.High voltage transistors Multiple threshold voltage and oxide thickness Ans: 1.Some processes offer multiple threshold voltages and oxide thickness 2.Low threshold transistors deliver more ON current and have large subthreshold leakage 3.Multiple masks and implantation are used to set the various thresholds 4.Thin gate oxides also permit more ON currents 5.Very thin oxides contribute to large gate leakage currents 6.Multiple masks are used to define the different oxides Silicon On Insulator Ans: In this process,transistors are fabricated on an insulator.SOI process is of 2 types a).Sapphire substrate based SOI process b).Silicon based SOI process Sapphire substrate based SOI process Ans: 1.In this process,a thin laye