H01L29/7835

THERMOELECTRIC COOLING OF SEMICONDUCTOR DEVICES

An integrated circuit (IC) device includes a chip having a semiconductor substrate and a thermoelectric module embedded in the semiconductor substrate, where the thermoelectric module includes a first semiconductor structure electrically connected to a second semiconductor structure, where a bottom portion of thermoelectric module extends through a thickness of the semiconductor substrate, and where the first semiconductor structure and the second semiconductor structure include dopants of different conductivity types.

HIGH VOLTAGE TRANSISTOR STRUCTURE

A high voltage transistor structure including a substrate, a first isolation structure, a second isolation structure, a gate structure, a first source and drain region, and a second source and drain region is provided. The first isolation structure and the second isolation structure are disposed in the substrate. The gate structure is disposed on the substrate, at least a portion of the first isolation structure, and at least a portion of the second isolation structure. The first source and drain region and the second source and drain region are located in the substrate on two sides of the first isolation structure and the second isolation structure. The depth of the first isolation structure is greater than the depth of the second isolation structure.

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME

A semiconductor device includes a semiconductor layer, a drift region, a source area, a well region, a drain area, and a dielectric film. The drift region and the source area are formed in the semiconductor layer. The well region is formed in the semiconductor layer and between the drift region and the source area. The drain area is formed in the drift region. The dielectric film is formed in the drift region and is located between the source area and the drain area. The dielectric film includes a proximate end portion and a distal end portion which are proximate to and distal from the source area, respectively, and which are asymmetrical to each other.

Lateral semiconductor device and method of manufacture

A method and apparatus include an n-doped layer having a first applied charge, and a p.sup.−-doped layer having a second applied charge. The p.sup.−-doped layer may be positioned below the n-doped layer. A p.sup.+-doped buffer layer may have a third applied charge and be positioned below the p.sup.−-doped layer. The respective charges at each layer may be determined based on a dopant level and a physical dimension of the layer. In one example, the n-doped layer, the p.sup.−-doped layer, and the p.sup.+-doped buffer layer comprise a lateral semiconductor manufactured from silicon carbide (SiC).

High voltage semiconductor device and manufacturing method of high voltage semiconductor device
11581434 · 2023-02-14 · ·

A semiconductor device includes a deep well region located on a substrate, a drift region located in the deep well region, a first gate electrode that overlaps with the first body region and the drift region, a second gate electrode that overlaps with the second body region and the drift region, a first source region and a second source region located in the first and second body regions, respectively, a drain region located in the drift region and disposed between the first gate electrode and the second gate electrode, a silicide layer located on the substrate, a first non-silicide layer located between the drain region and the first gate electrode, wherein the first non-silicide layer extends over a top surface of the first gate electrode, and a first field plate contact plug in contact with the first non-silicide layer.

Method for manufacturing a lateral double-diffused metal-oxide-semiconductor (ldmos) transistor

A semiconductor device can include: a substrate having a first doping type; a first well region located in the substrate and having a second doping type, where the first well region is located at opposite sides of a first region of the substrate; a source region and a drain region located in the first region, where the source region has the second doping type, and the drain region has the second doping type; and a buried layer having the second doping type located in the substrate and below the first region, where the buried layer is incontact with the first well region, where the first region is surrounded by the buried layer and the first well region, and the first doping type is opposite to the second doping type.

METAL FIELD PLATES AND METHODS OF MAKING THE SAME
20230045468 · 2023-02-09 ·

Integrated semiconductor devices and method of making the integrated semiconductor are disclosed. The integrated semiconductor device may include a first transistor comprising a first gate and at least one first active region, a second transistor comprising a second gate and at least one second active region, wherein the second transistor is spaced a first distance from the first transistor, a dielectric sidewall spacer formed on a gate sidewall of the first transistor and a gate sidewall of the second transistor, a first dielectric layer formed over the first transistor and the second transistor, wherein a thickness of the first dielectric layer is greater than half the first distance, and a patterned metal layer formed on the first dielectric layer and partially covering the second gate.

Latch-up Free High Voltage Device
20230044360 · 2023-02-09 ·

An apparatus includes a first drain/source region and a second drain/source region surrounded by an isolation ring formed over a substrate, the isolation ring formed being configured to be floating, and a first diode connected between the substrate and the isolation ring, wherein the first diode is a Schottky diode.

Semiconductor device and method for manufacturing the same

A semiconductor device includes: a substrate (10); a semiconductor layer (20) disposed on a main surface of this substrate (10); and a first main electrode (30) and a second main electrode (40), which are disposed on the substrate (10) separately from each other with the semiconductor layer (20) sandwiched therebetween and are individually end portions of a current path of a main current flowing in an on-state. The semiconductor layer (20) includes: a first conductivity-type drift region (21) through which a main current flows; a second conductivity-type column region (22) that is disposed inside the drift region (21) and extends in parallel to a current path; and an electric field relaxation region (23) that is disposed in at least a part between the drift region (21) and the column region (22) and is either a low-concentration region in which an impurity concentration is lower than in the same conductivity-type adjacent region or a non-doped region.

Semiconductor device and manufacturing method thereof

A semiconductor device includes: a drift region of a first conductive type including a contact section and extension sections extending along the main surface of a substrate; column regions of a second conductive type which alternate with the extension sections in a perpendicular direction to the extension direction of the extension sections and each includes an end connecting to the contact section; a well region of a second conductive type which connects to the other end of each column region and tips of the extension sections; and electric field relaxing electrodes which are provided above at least some of residual pn junctions with an insulating film interposed therebetween. Herein, the residual pn junctions are pn junctions other than voltage holding pn junctions formed in interfaces between the extension sections and the column regions.