Abstract:
A semiconductor structure includes a substrate. A gate structure is disposed over the substrate. The gate structure includes: a pair of gate spacers extending generally vertically from the substrate, gate metal disposed between the spacers, and a self-aligned contact (SAC) cap disposed over the gate metal to form a top of the gate structure. A resistor is disposed directly upon the SAC cap such that no additional layer is disposed between the resistor and SAC cap. The resistor is composed of a material suitable to provide a predetermined resistance to a current to be conducted therethrough. A pair of resistor contacts are electrically connected to the resistor and spaced to provide the predetermined resistance to the current.
Abstract:
An inductor/transformer device is disclosed including a lower inductor/transformer structure including a first inner core material and a first outer cap layer, an upper inductor/transformer structure positioned above and vertically spaced apart from the lower inductor/transformer structure, the upper inductor/transformer structure including a second inner core material and a second outer cap layer, wherein the lower surface area of the upper inductor/transformer structure is different than the upper surface area of the lower inductor/transformer structure, and an insulating material positioned between the upper surface of the lower inductor/transformer structure and the lower surface of the upper inductor/transformer structure.
Abstract:
A method for accurately electrically measuring a width of a fin of a FinFET, using a semiconductor fin quantum well structure is provided. The semiconductor fin quantum well structure includes a semiconductor substrate and at least one semiconductor fin coupled to the substrate. Each of the semiconductor fin is sandwiched by an electrical isolation layer from a top and a first side and a second side across from the first side, to create a semiconductor fin quantum well. At least one gate material is provided on each side of the electrical isolation layer. A dielectric layer is provided over the top of the electrical isolation layer to further increase the electrical isolation between the gate materials. The width of the semiconductor fin is measured accurately by applying a resonant bias voltage across the fin by applying voltage on the gate materials from either side. The peak tunneling current generated by the applied resonant bias voltage is used to measure width of the fin.
Abstract:
A first layer on a substrate includes an insulator material portion adjacent an energy-reactive material portion. The energy-reactive material portion evaporates upon application of energy during manufacturing. Processing patterns the first layer to include recesses extending to the substrate in at least the energy-reactive material portion. The recesses are filled with a conductor material, and a porous material layer is formed on the first layer and on the conductor material. Energy is applied to the porous material layer to: cause the energy to pass through the porous material layer and reach the energy-reactive material portion; cause the energy-reactive material portion to evaporate; and fully remove the energy-reactive material portion from an area between the substrate and the porous material layer, and this leaves a void between the substrate and the porous material layer and adjacent to the conductor material.
Abstract:
A diode includes a plurality of fins defined in a semiconductor substrate. An anode region is defined by a doped region in a first surface portion of each of the plurality of fins and in a second surface portion of the semiconductor substrate disposed between adjacent fins in the plurality of fins. The doped region includes a first dopant having a first conductivity type and is contiguous between the adjacent fins. A cathode region is defined by an inner portion of each of the plurality of fins positioned below and contacting the first surface portion and a third portion of the semiconductor substrate positioned below and contacting the second surface portion. The cathode region is contiguous and the dopants in the cathode region and anode region have opposite conductivity types. A junction is defined between the anode region and the cathode region. A first contact interfaces with the anode region.
Abstract:
The present disclosure relates to semiconductor structures and, more particularly, to high-voltage, analog bipolar devices and methods of manufacture. The structure includes: a base region formed in a substrate; a collector region formed in the substrate and comprising a deep n-well region and an n-well region; and an emitter region formed in the substrate and comprising a deep n-well region and an n-well region.
Abstract:
A semiconductor structure includes a semiconductor substrate of n-type or p-type, a well of a type opposite the substrate, the well acting as the base of a diode, a first region of the same type as the substrate at a top of the well, a second region of the same type as the substrate is situated separate from the first region at the top of the well, the first region acting as an emitter of the diode and the second region acting as a collector of the diode, and a gate situated between the first region and second region over a top surface of the well.
Abstract:
Approaches for altering the threshold voltage (e.g., to zero threshold voltage) in a fin-type field effect transistor (FinFET) device are provided. In embodiments of the invention, a first N+ region and a second N+ region are formed on a finned substrate that has a p-well construction. A region of the finned substrate located between the first N+ region and the second N+ region is doped with a negative implant species to form an n-well. The size and/or composition of this n-well region can be adjusted in view of the existing p-well construction of the substrate device to change the threshold voltage of the FinFET device (e.g., to yield a zero threshold voltage FinFET device).
Abstract:
Semiconductor devices and fabrication methods thereof are provided. The semiconductor devices include: a substrate, the substrate including a p-type well adjoining an n-type well; a first p-type region and a first n-type region disposed within the n-type well of the substrate, where the first p-type region at least partially encircles the first n-type region; and a second p-type region and a second n-type region disposed in the p-type well of the substrate, where the second n-type region at least partially encircles the second p-type region. In one embodiment, the first p-type region fully encircles the first n-type region and the second n-type region fully encircles the second p-type region. In another embodiment, the semiconductor device may be a bipolar junction transistor or a rectifier.
Abstract:
Semiconductor devices and methods for manufacturing an LDMOS FinFET integrated circuit. The intermediate semiconductor device includes a substrate, a first well in the substrate, a second well in the substrate, and at least two polysilicon gates. The first well overlaps the second well and the at least one first gate is disposed over the first well and at least one second gate is disposed over the second well. The method includes forming a channel region and a drift region in the substrate, wherein the channel region overlaps the drift region, forming a shallow trench isolation region in the drift region, forming at least one first gate over the channel region, forming at least one second gate over the shallow trench isolation region, and applying at least one metal layer over the at least one first gate and the at least one second gate.