H01L31/062

Solid-state imaging device, manufacturing method thereof, and electronic apparatus
11164904 · 2021-11-02 · ·

Disclosed herein is a solid-state imaging device including: a laminated semiconductor chip configured to be obtained by bonding two or more semiconductor chip sections to each other and be obtained by bonding at least a first semiconductor chip section in which a pixel array and a multilayer wiring layer are formed and a second semiconductor chip section in which a logic circuit and a multilayer wiring layer are formed to each other in such a manner that the multilayer wiring layers are opposed to each other and are electrically connected to each other; and a light blocking layer configured to be formed by an electrically-conductive film of the same layer as a layer of a connected interconnect of one or both of the first and second semiconductor chip sections near bonding between the first and second semiconductor chip sections. The solid-state imaging device is a back-illuminated solid-state imaging device.

Flexible and strechable imager, method of making a flexible and stretchable imager, and method of using an imaging device having a flexible and stretchable imager

A flexible and stretchable imager includes a first rigid substrate carrying at least one first photodetector, a second rigid substrate carrying at least one second photodetector, and a flexible and stretchable arm connected to the first and second rigid substrates. The first rigid substrate, the second rigid substrate, and the flexible and stretchable arm are made of a same material.

Interconnection structure, fabricating method thereof, and semiconductor device using the same

A semiconductor device includes a semiconductor substrate, a contact region present in the semiconductor substrate, and a silicide present on a textured surface of the contact region. A plurality of sputter ions is present between the silicide and the contact region. Since the surface of the contact region is textured, the contact area provided by the silicide is increased accordingly, thus the resistance of an interconnection structure in the semiconductor device is reduced.

Semiconductor device

A semiconductor device includes a semiconductor substrate, a gate structure, a source region, a drain region, and a plurality of field plates. The gate structure is disposed on the semiconductor substrate. The source region and the drain region are disposed in the semiconductor substrate and located at two opposite sides of the gate structure in a first direction respectively. The field plates are disposed on the semiconductor substrate. Each of the field plates is partly located above the gate structure and partly located between the gate structure and the drain region. The gate structure is electrically connected with at least one of the field plates, and the source region is electrically connected with at least one of the field plates.

Three-dimensional field effect device

A method of forming stacked fin field effect devices is provided. The method includes forming a layer stack on a substrate, wherein the layer stack includes a first semiconductor layer on a surface of the substrate, a second semiconductor layer on the first semiconductor layer, a third semiconductor layer on the second semiconductor layer, a separation layer on the third semiconductor layer, a fourth semiconductor layer on the separation layer, a fifth semiconductor layer on the fourth semiconductor layer, and a sixth semiconductor layer on the fifth semiconductor layer. The method further includes forming a plurality of channels through the layer stack to the surface of the substrate, and removing portions of the second semiconductor layer and fifth semiconductor layer to form lateral grooves.

High voltage semiconductor device

A high voltage semiconductor device includes a semiconductor substrate, a gate structure, a drift region, a drain region, and an isolation structure. The gate structure is disposed on the semiconductor substrate. The drift region is disposed in the semiconductor substrate and partially disposed at a side of the gate structure. The drain region is disposed in the drift region. The isolation structure is at least partially disposed in the drift region. A part of the isolation structure is disposed between the drain region and the gate structure. The isolation structure includes a curved bottom surface.

Solar cell, manufacturing method thereof, and photovoltaic module
11804564 · 2023-10-31 · ·

Provided is a solar cell, including: an N-type semiconductor substrate having a front surface and a rear surface opposite to the front surface; a boron diffusion layer arranged on the front surface of the N-type semiconductor substrate, a first passivation layer is provided on a surface of the boron diffusion layer, and a first electrode is provided passing through the first passivation layer to form an electrical connection with the N-type semiconductor substrate; and a phosphorus-doped polysilicon layer arranged on the rear surface of the N-type semiconductor substrate. A silicon oxide layer containing nitrogen and phosphorus is provided between the rear surface of the N-type semiconductor substrate and the phosphorus-doped polysilicon layer, a second passivation layer is provided on a surface of the phosphorus-doped polysilicon layer, and a second electrode is provided passing through the second passivation layer to form an electrical connection with the phosphorus-doped polysilicon layer.

Solar cell, manufacturing method thereof, and photovoltaic module
11804564 · 2023-10-31 · ·

Provided is a solar cell, including: an N-type semiconductor substrate having a front surface and a rear surface opposite to the front surface; a boron diffusion layer arranged on the front surface of the N-type semiconductor substrate, a first passivation layer is provided on a surface of the boron diffusion layer, and a first electrode is provided passing through the first passivation layer to form an electrical connection with the N-type semiconductor substrate; and a phosphorus-doped polysilicon layer arranged on the rear surface of the N-type semiconductor substrate. A silicon oxide layer containing nitrogen and phosphorus is provided between the rear surface of the N-type semiconductor substrate and the phosphorus-doped polysilicon layer, a second passivation layer is provided on a surface of the phosphorus-doped polysilicon layer, and a second electrode is provided passing through the second passivation layer to form an electrical connection with the phosphorus-doped polysilicon layer.

Semiconductor device

A semiconductor device includes a semiconductor substrate, a gate structure, a source region, a drain region, and a plurality of field plates. The gate structure is disposed on the semiconductor substrate. The source region and the drain region are disposed in the semiconductor substrate and located at two opposite sides of the gate structure in a first direction respectively. The field plates are disposed on the semiconductor substrate. Each of the field plates is partly located above the gate structure and partly located between the gate structure and the drain region. The gate structure is electrically connected with at least one of the field plates, and the source region is electrically connected with at least one of the field plates.

Semiconductor devices and methods of manufacturing thereof

A method of fabricating a semiconductor device is disclosed. The method includes forming semiconductor fins on a substrate. A first dummy gate is formed over the semiconductor fins. A recess is formed in the first dummy gate, and the recess is disposed between the semiconductor fins. A dummy fin material is formed in the recess. A portion of the dummy fin material is removed to expose an upper surface of the first dummy gate and to form a dummy fin. A second dummy gate is formed on the exposed upper surface of the first dummy gate.