Abstract:
In one exemplary embodiment of the invention, an asymmetric P-type field effect transistor includes: a source region coupled to a drain region via a channel; a gate structure overlying at least a portion of the channel; a halo implant disposed at least partially in the channel, where the halo implant is disposed closer to the source region than the drain region; and a body-tie coupled to the channel. In a further exemplary embodiment, the asymmetric P-type field effect transistor is operable to act as a symmetric P-type field effect transistor.
Abstract:
PROBLEM TO BE SOLVED: To provide an integrated semiconductor device formed on a substrate having different crystal orientation. SOLUTION: A method of forming a hybrid substrate containing strained Si and a strained Si containing hybrid substrate formed by this method are provided. In the present invention, a strained Si layer is formed on a semiconductor material, a second semiconductor layer, or both of them. According to the present invention, the strained Si layer has the same crystal orientation as either of a regrown semiconductor layer or the second semiconductor layer. This method provides the hybrid substrate wherein at least one of device layers contains the strained Si. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a nanowire mesh of a single gate inverter and a method of fabricating the same. SOLUTION: The field effect transistor (FET) includes a plurality of device layers disposed vertically in a stack, each device layer has a source region, a drain region and a plurality of nanowire channels 110 connecting the source region and the drain region, wherein the source and drain regions of one or more of the device layers are doped with an n-type dopant or a p-type dopant. The FET inverter further includes a common gate 150 surrounding the plurality of nanowire channels, a first contact 156 to the source regions of the one or more device layers doped with the n-type dopant, a second contact 158 to the source regions of the one or more device layers doped with the p-type dopant, and a common third contact 152 to the drain regions of each of the device layers. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To reduce the parasitic capacitance of an semiconductor-on-insulator device by providing the semiconductor-on-insulator device with a body contact. SOLUTION: In one embodiment, the invention provides a semiconductor device that includes: a substrate including a semiconductor layer positioned overlaying an insulating layer, the semiconducting layer including a semiconducting body and isolation regions present around a perimeter of the semiconducting body; a gate structure overlaying the semiconducting layer of the substrate, the gate structure present on a first portion on an upper surface of the semiconducting body; and a silicide body contact that is in direct physical contact with a second portion of the semiconducting body that is separated from the first portion of the semiconducting body by a non-silicide semiconducting region. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To mount a body contact on a semiconductor-on-insulator device, thereby reducing parasitic capacitance in the device. SOLUTION: A substrate includes a semiconductor layer arranged so as to be covered on an insulating layer. The semiconductor layer includes the substrate including a semiconductor body and an separation region existing around the outer periphery of the semiconductor body, and a gate structure covered on the semiconductor layer of the substrate. A method for manufacturing a semiconductor device is provided. The semiconductor device includes the gate structure existing on a first part of an upper face of the semiconductor body and a silicide body contact directly physically brought into contact with a second part of the semiconductor body separated from the first part of the semiconductor body by a non-silicide semiconductor region. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
A method of forming CMOS semiconductor (10) materials with PFET (16) and NFET (14) areas formed on a semiconductor substrate (12), covered respectively with a PFET (16) and NFET (14) gate dielectric layers composed of silicon oxide and different degrees of nitridation (18D and 18E) thereof. Provide a silicon substrate (12) with a PFET (16) area and an NFET (14) area and form PFET and NFET gate oxide layers thereover. Provide nitridation of the PFET gate oxide layer above the PFET area to form the PFET gate dielectric layer (42) above the PFET area with a first concentration level of nitrogen atoms in the PFET gate dielectric I ayer above the PFET area. Provide nitridation of the NFET gate oxide layer to form the NFET gate dielectric layer (40) above the NFET area with a different concentration level of nitrogen atoms from the first concentration level. The NFET gate dielectric layer (40) and the PFET gate dielectric layer (42) can have the same thickness.
Abstract:
In one exemplary embodiment of the invention, an asymmetric N-type field effect transistor includes: a source region coupled to a drain region via a channel; a gate structure overlying at least a portion of the channel; a halo implant disposed at least partially in the channel, where the halo implant is disposed closer to the source region than the drain region; and a body-tie coupled to the channel. In a further exemplary embodiment, the asymmetric N-type field effect transistor is operable to act as a symmetric N-type field effect transistor.