H10D30/478

FIELD EFFECT DIODE AND METHOD OF MANUFACTURING THE SAME
20170110598 · 2017-04-20 ·

A field effect diode comprises: a substrate; a nucleation layer, a back barrier layer, a channel layer, a first barrier layer and a second barrier layer sequentially located on the substrate; and an anode and a cathode located on the second barrier layer, wherein a groove is formed in the second barrier layer, two-dimensional electron gas is formed at an interface between the first barrier layer and the channel layer except for a part of the interface under the groove when a reverse bias voltage or no external voltage is applied to the field effect diode, and is formed at all parts of the interface when a forward bias voltage is applied to the field effect diode.

FinFETs with strained well regions

A device includes a substrate and insulation regions over a portion of the substrate. A first semiconductor region is between the insulation regions and having a first conduction band. A second semiconductor region is over and adjoining the first semiconductor region, wherein the second semiconductor region includes an upper portion higher than top surfaces of the insulation regions to form a semiconductor fin. The second semiconductor region also includes a wide portion and a narrow portion over the wide portion, wherein the narrow portion is narrower than the wide portion. The semiconductor fin has a tensile strain and has a second conduction band lower than the first conduction band. A third semiconductor region is over and adjoining a top surface and sidewalls of the semiconductor fin, wherein the third semiconductor region has a third conduction band higher than the second conduction band.

Vertical super junction III/nitride HEMT with vertically formed two dimensional electron gas
09601610 · 2017-03-21 · ·

A HEMT device comprising a M-plane III-Nitride material substrate, a p-doped epitaxial layer of III-Nitride material grown on said substrate; a recess etched in said p-doped epitaxial layer, the recess having a plane wall parallel to a polar plane of the III-Nitride material; a carrier carrying layer formed on said plane wall of the recess; a carrier supply layer formed on said at least one carrier carrying layer, such that a 2DEG region is formed in the carrier carrying layer at the interface with the carrier supply layer along said plane wall of the recess; a doped source region formed at the surface of said p-doped epitaxial layer such that the doped source region is separated from said 2DEG region by a channel region; a gate insulating layer formed on the channel region; and a gate contact layer formed on the gate insulating layer.

Compound semiconductor device and method for manufacturing the same
09595594 · 2017-03-14 · ·

A compound semiconductor device includes: a compound semiconductor region having a surface in which a step is formed; a first electrode formed so as to overlie the upper surface of the step, the upper surface being a non-polar face; and a second electrode formed along a side surface of the step so as to be spaced apart from the first electrode in a vertical direction, the side surface being a polar face.

Two-dimensional material containing electronic components

In various embodiments, an electronic component is provided. The electronic component may include a dielectric structure; and a two-dimensional material containing structure over the dielectric structure. The dielectric structure is doped with dopants to change the electric characteristic of the two-dimensional material containing structure.

Lateral III-nitride devices including a vertical gate module

A lateral III-N device has a vertical gate module with III-N material orientated in an N-polar or a group-III polar orientation. A III-N material structure has a III-N buffer layer, a III-N barrier layer, and a III-N channel layer. A compositional difference between the III-N barrier layer and the III-N channel layer causes a 2DEG channel to be induced in the III-N channel layer. A p-type III-N body layer is disposed over the III-N channel layer in a source side access region but not over a drain side access region. A n-type III-N capping layer over the p-type III-N body layer. A source electrode that contacts the n-type III-N capping layer is electrically connected to the p-type III-N body layer and is electrically isolated from the 2DEG channel when the gate electrode is biased relative to the source electrode at a voltage that is below a threshold voltage.

Nitride semiconductor device

A nitride semiconductor device includes: a substrate; a nitride semiconductor layer above the substrate; a high-resistance layer above the nitride semiconductor layer; a p-type nitride semiconductor layer above the high-resistance layer; a first opening penetrating through the p-type nitride semiconductor layer and the high-resistance layer to the nitride semiconductor layer; an electron transport layer and an electron supply layer covering an upper portion of the p-type nitride semiconductor layer and the first opening; a gate electrode above the electron supply layer; a source electrode in contact with the electron supply layer; a second opening penetrating through the electron supply layer and the electron transport layer to the p-type nitride semiconductor layer; a potential fixing electrode in contact with the p-type nitride semiconductor layer at a bottom part of the second opening; and a drain electrode.

Vertical field-effect transistor and method for forming same
12255252 · 2025-03-18 · ·

A vertical field effect transistor, including a drift region having a first conductivity type, a trench structure on or above the drift region, a shielding structure, and a source/drain electrode. The trench structure includes at least one side wall at which a field effect transistor (FET) channel region is formed. The FET channel region includes a III-V heterostructure for forming a two-dimensional electron gas at a boundary surface of the III-V heterostructure. The shielding structure is situated laterally adjacent to the at least one side wall of the trench structure and extends vertically into the drift region or vertically further in the direction of the drift region than the trench structure. The shielding structure has a second conductivity type that differs from the first conductivity type. The source/drain electrode is electroconductively connected to the III-V heterostructure of the trench structure and to the shielding structure.

SEMICONDUCTOR LAYER STRUCTURE
20250081501 · 2025-03-06 ·

Apparatuses and methods relating to semiconductor layer structures are disclosed. A method for producing a semiconductor layer structure ay involve providing a Si substrate comprising a top surface, forming a first semiconductor layer on the substrate, the first semiconductor layer comprising a plurality of vertical nanowire structures, arranged perpendicularly to the top surface of the substrate, the first semiconductor layer comprising AlN, and epitaxially growing a second semiconductor layer which laterally and vertically encloses the plurality of vertical nanowire structures thereby encapsulating dislocations in shells around the nanowires, wherein the second semiconductor layer comprises Al.sub.xGa.sub.1-xN, wherein 0x0.95.

Non-volatile memory devices and manufacturing methods thereof

There is provided a method of manufacturing a non-volatile memory device including: alternatively stacking a plurality of insulating layers and a plurality of conductive layers on a top surface of a substrate; forming an opening that exposes the top surface of the substrate and lateral surfaces of the insulating layers and the conductive layers; forming an anti-oxidation layer on at least the exposed lateral surfaces of the conductive layers; forming a gate dielectric layer on the anti-oxidation layer, the gate dielectric layer including a blocking layer, an electric charge storage layer, and a tunneling layer that are sequentially formed on the anti-oxidation layer; and forming a channel region on the tunneling layer.