H01L27/1203

IMAGE SENSOR WITH VERTICAL ELECTRODES
20180012925 · 2018-01-11 ·

An image sensor arranged inside and on top of a semi-conductor substrate having a front surface and a rear surface, the sensor including a plurality of pixels, each including: a photosensitive area, a reading area, and a storage area extending between the photosensitive area and the reading area; a vertical insulated electrode including an opening of transfer between the photosensitive area and the storage area; and at least one insulation element among the following: a) a layer of an insulating material extending under the surface of the photosensitive area and of the storage area and having its front surface in contact with the rear surface of the electrode; and b) an insulating wall extending vertically in the opening, or under the opening.

SURFACE DEVICES WITHIN A VERTICAL POWER DEVICE
20180012981 · 2018-01-11 · ·

A semiconductor device comprises a vertical power device, such as a superjunction MOSFET, an IGBT, a diode, and the like, and a surface device that comprises one or more lateral devices that are electrically active along a top surface of the semiconductor device.

Electrostatic discharge (ESD) protection circuits using tunneling field effect transistor (TFET) and impact ionization MOSFET (IMOS) devices

Electrostatic discharge (ESD) protection is provided in circuits which use of a tunneling field effect transistor (TFET) or an impact ionization MOSFET (IMOS). These circuits are supported in silicon on insulator (SOI) and bulk substrate configurations to function as protection diodes, supply clamps, failsafe circuits and cutter cells. Implementations with parasitic bipolar devices provide additional parallel discharge paths.

DIFFERENTIAL SG/EG SPACER INTEGRATION WITH EQUIVALENT NFET/PFET SPACER WIDTHS & DUAL RAISED SOURCE DRAIN EXPITAXIAL SILICON AND TRIPLE-NITRIDE SPACER INTEGRATION ENABLING HIGH-VOLTAGE EG DEVICE ON FDSOI

A method of forming matched PFET/NFET spacers with differential widths for SG and EG structures and a method of forming differential width nitride spacers for SG NFET and SG PFET structures and PFET/NFET EG structures and respective resulting devices are provided. Embodiments include providing PFET SG and EG structures and NFET SG and EG structures; forming a first nitride layer over the substrate; forming an oxide liner; forming a second nitride layer on sidewalls of the PFET and NFET EG structures; removing horizontal portions of the first nitride layer and the oxide liner over the PFET SG and EG structures; forming RSD structures on opposite sides of each of the PFET SG and EG structures; removing horizontal portions of the first nitride layer and the oxide liner over the NFET SG and EG structures; and forming RSD structures on opposite sides of each of the NFET SG and EG structures.

METHODS, APPARATUS AND SYSTEM FOR PROVIDING NMOS-ONLY MEMORY CELLS

At least one method, apparatus and system disclosed involves a memory device having a memory cell comprising NMOS only transistors. An SRAM bit cell comprises a first pass gate (PG) NMOS transistor coupled to a first bit line signal and a word line signal; a second PG NMOS transistor coupled to a second bit line signal and the word line signal; a first pull down (PD) NMOS transistor operatively coupled to the first PG NMOS transistor; a second PD NMOS transistor operatively coupled to the second PG NMOS transistor; a first pull up (PU) NMOS transistor operatively coupled to the first PD NMOS transistor; and a second PU NMOS transistor operatively coupled to the second PD NMOS transistor. Each of the back gates of the first and second PU NMOS transistors are coupled to a predetermined voltage signal for biasing the first and second PU NMOS transistors.

SEMICONDUCTOR-ON-INSULATOR SUBSTRATE FOR RF APPLICATIONS
20230238274 · 2023-07-27 ·

A semiconductor-on-insulator substrate for use in RF applications, such as a silicon-on-insulator substrate, comprises a semiconductor top layer, a buried oxide layer and a passivation layer over a support substrate. In addition, a penetration layer is provided between the passivation layer and the silicon support substrate to ensure sufficient high resistivity below RF features and avoid increased migration of dislocations in the support substrate. RE devices may be fabricated on and/or in such a semiconductor-on-insulator substrate.

STRESS LAYOUT OPTIMIZATION FOR DEVICE PERFORMANCE

The present disclosure relates to semiconductor structures and, more particularly, to a layout optimization for radio frequency (RF) device performance and methods of manufacture. The structure includes: a first active device on a substrate; source and drain diffusion regions adjacent to the first active device; and a first contact in electrical contact with the source and drain diffusion regions and which is spaced away from the first active device to optimize a stress component in a channel region of the first active device.

METHOD FOR FORMING A HANDLING SUBSTRATE FOR A COMPOSITE STRUCTURE INTENDED FOR RF APPLICATIONS AND HANDLING SUBSTRATE

A handle substrate for a composite structure comprises a base substrate including an epitaxial layer of silicon on a monocrystalline silicon wafer obtained by Czochralski pulling, a passivation layer on and in contact with the epitaxial layer of silicon, and a charge-trapping layer on and in contact with the passivation layer. The monocrystalline silicon wafer of the base substrate exhibits a resistivity of between 10 and 500 ohm.Math.cm, while the epitaxial layer of silicon exhibits a resistivity of greater than 2000 ohm.Math.cm and a thickness ranging from 2 to 100 microns. The passivation layer is amorphous or polycrystalline. A method is described for forming such a substrate.

MANUFACTURE OF SEMICONDUCTOR DEVICE WITH OPTICAL TRANSMISSION CHANNEL BETWEEN OPTICAL COUPLER AND OUTSIDE OF THE SEMICONDUCTOR DEVICE

A method for manufacturing a semiconductor device is provided. The method includes: providing a semiconductor-on-insulator substrate including a first substrate, a first insulating layer on the first substrate, and a semiconductor layer on the first insulating layer; patterning the semiconductor layer to form a grating coupler; forming one or more functional layer stacked with each other on a side of the semiconductor layer that faces away from the first insulating layer; bonding the one or more functional layer to a carrier substrate on a side of the one or more functional layer that faces away from the semiconductor layer; and completely removing the first substrate to provide, by the first insulating layer instead of the first substrate, an optical transmission channel between the grating coupler and an outside of the semiconductor device that is located on a side, facing away from the semiconductor layer, of the first insulating layer.

Fully depleted SOI transistor with a buried ferroelectric layer in back-gate

Provided are techniques for generating fully depleted silicon on insulator (SOI) transistor with a ferroelectric layer. The techniques include forming a first multi-layer wafer comprising a semiconductor layer and a buried oxide layer, wherein the semiconductor layer is formed over the buried oxide layer. The techniques also including forming a second multi-layer wafer comprising the ferroelectric layer, and bonding the first multi-layer wafer to the second multi-layer wafer, wherein the bonding comprises a coupling between the buried oxide layer and the second multi-layer wafer.