A CMOS FinFET fabricated on bulk silicon substrate is demonstrated.Besides owning a FinFET structure similar to the original FinFET on SOI,the device combines a grooved planar MOSFET in the Si substrate and the fabric...A CMOS FinFET fabricated on bulk silicon substrate is demonstrated.Besides owning a FinFET structure similar to the original FinFET on SOI,the device combines a grooved planar MOSFET in the Si substrate and the fabrication processes are fully compatible with conventional CMOS process,including salicide technology.The CMOS device,inverter,and CMOS ring oscillator of this structure with normal poly silicon and W/TiN gate electrode are fabricated respectively.Driving current and sub threshold characteristics of CMOS FinFET on Si substrate with actual gate length of 110nm are studied.The inverter operates correctly and minimum per stage delay of 201 stage ring oscillator is 146ps at V d=3V.The result indicates the device is a promising candidate for the application of future VLSI circuit.展开更多
An SOI MOSFET with FINFET structure is simulated using a 3 D simulator. I V characteristics and sub threshold characteristics,as well as the short channel effect(SCE) are carefully investigated.SCE can be well c...An SOI MOSFET with FINFET structure is simulated using a 3 D simulator. I V characteristics and sub threshold characteristics,as well as the short channel effect(SCE) are carefully investigated.SCE can be well controlled by reducing fin height.Good performance can be achieved with thin height,so fin height is considered as a key parameter in device design.Simulation results show that FINFETs present performance superior to conventional single gate devices.展开更多
文摘A CMOS FinFET fabricated on bulk silicon substrate is demonstrated.Besides owning a FinFET structure similar to the original FinFET on SOI,the device combines a grooved planar MOSFET in the Si substrate and the fabrication processes are fully compatible with conventional CMOS process,including salicide technology.The CMOS device,inverter,and CMOS ring oscillator of this structure with normal poly silicon and W/TiN gate electrode are fabricated respectively.Driving current and sub threshold characteristics of CMOS FinFET on Si substrate with actual gate length of 110nm are studied.The inverter operates correctly and minimum per stage delay of 201 stage ring oscillator is 146ps at V d=3V.The result indicates the device is a promising candidate for the application of future VLSI circuit.
文摘An SOI MOSFET with FINFET structure is simulated using a 3 D simulator. I V characteristics and sub threshold characteristics,as well as the short channel effect(SCE) are carefully investigated.SCE can be well controlled by reducing fin height.Good performance can be achieved with thin height,so fin height is considered as a key parameter in device design.Simulation results show that FINFETs present performance superior to conventional single gate devices.