H10B51/20

SEMICONDUCTOR DEVICE INCLUDING MEMORY CELLS AND METHOD FOR MANUFACTURING THEREOF

A semiconductor device includes logic circuitry including a transistor disposed over a substrate, multiple layers each including metal wiring layers and an interlayer dielectric layer, respectively, disposed over the logic circuitry, and memory arrays. The multiple layers of metal wiring include, in order closer to the substrate, first, second, third and fourth layers, and the memory arrays include lower multiple layers disposed in the third layer.

DUAL SACRIFICIAL MATERIAL REPLACEMENT PROCESS FOR A THREE-DIMENSIONAL MEMORY DEVICE AND STRUCTURE FORMED BY THE SAME
20220336486 · 2022-10-20 ·

A vertical repetition of a unit layer stack includes an insulating layer, a first sacrificial material layer, another insulating layer, and a second sacrificial material layer. A memory opening is formed through the vertical repetition, and a memory opening fill structure is formed in the memory opening. A backside trench is formed through the alternating stack. The first sacrificial material layers are replaced with first electrically conductive layers, and the second sacrificial material layer are replaced with second electrically conductive layers after formation of the first electrically conductive layers.

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SEMICONDUCTOR DEVICE
20230074522 · 2023-03-09 · ·

A semiconductor device includes: a stack structure including conductive patterns and insulating layers, which are alternately stacked; a channel structure penetrating the stack structure; and a memory layer penetrating the stack structure, the memory layer being disposed between the channel structure and the stack structure. The memory layer includes memory parts and dummy parts, which are alternately arranged. Each of the memory parts includes a first part between the insulating layers and a second part between the dummy parts. The first part of the memory parts have ferroelectricity.

SEMICONDUCTOR DEVICE INCLUDING INTERLAYER INSULATION STRUCTURE INCLUDING METAL-ORGANIC FRAMEWORK LAYER
20220336497 · 2022-10-20 · ·

A semiconductor device according to an embodiment of the present disclosure includes a substrate, a gate structure disposed over the substrate, a dielectric structure disposed to contact a sidewall surface of the gate structure over the substrate, and a channel layer disposed on a sidewall surface of the dielectric structure over the substrate. The gate structure includes a gate electrode layer and an interlayer insulation structure which are alternately stacked. The interlayer insulation structure includes a metal-organic framework layer.

INTEGRATED CIRCUIT, MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME
20230071284 · 2023-03-09 ·

A memory cell, an integrated circuit and method of manufacturing the same are provided. The memory device includes a substrate, gate layers and insulating layers, an isolation column, a channel layer, a first conductive feature, a second conductive feature, a storage layer and a pair of isolation structures. The isolation column extends through the gate layers and the insulating layers along a first direction. The channel layer laterally covers the isolation column. The first conductive feature and second conductive feature extend along the first direction and adjacent to the isolation column. The storage layer is disposed between the gate layers and the channel layer. The pair of isolation structures extends along the first direction. The pair of isolation structures includes a first isolation structure disposed between the first conductive feature and the gate layers, and a second isolation structure disposed between the second conductive feature and the gate layers.

THREE-DIMENSIONAL NOR MEMORY STRING ARRAYS OF THIN-FILM FERROELECTRIC TRANSISTORS
20230077181 · 2023-03-09 ·

A memory structure includes storage transistors organized as horizontal NOR memory strings where the storage transistors are thin-film ferroelectric field-effect transistors (FeFETs) having a ferroelectric gate dielectric layer formed adjacent a semiconductor channel. In some embodiments, the semiconductor channel is formed by an oxide semiconductor material and the ferroelectric storage transistors are junctionless transistors with no p/n junction in the channel. In some embodiments, the ferroelectric storage transistors in each NOR memory string share a first conductive layer as a common source line and a second conductive layer as a common bit line, the first and second conductive layers being in electrical contact with the semiconductor channel. The ferroelectric storage transistors in a multiplicity of NOR memory strings are arranged to form semi-autonomous three-dimensional memory arrays (tiles) with each tile individually addressed and controlled by circuitry in the semiconductor substrate underneath each tile in cooperation with a memory controller.

NON-VOLATILE MEMORY DEVICE AND OPERATING METHOD OF THE SAME

Provided are a non-volatile memory device and a method of operating the same. The non-volatile memory device includes a substrate, a plurality of word lines extending in a first direction on the substrate, a plurality of ferroelectric patterns respectively provided on the word lines, a blocking insulating film covering the ferroelectric patterns, a plurality of bit line pairs including a first bit line and a second bit line extending in a second direction crossing the word lines and the ferroelectric patterns on the blocking insulating film and intersecting the first direction, and a channel pattern provided between the first bit line and the second bit line of each of the bit line pairs on the blocking insulating film, wherein the channel pattern has an ambipolar conduction characteristic.

NON-VOLATILE MEMORY DEVICE AND OPERATING METHOD OF THE SAME

Provided are a non-volatile memory device and a method of operating the same. The non-volatile memory device includes a substrate, a plurality of word lines extending in a first direction on the substrate, a plurality of ferroelectric patterns respectively provided on the word lines, a blocking insulating film covering the ferroelectric patterns, a plurality of bit line pairs including a first bit line and a second bit line extending in a second direction crossing the word lines and the ferroelectric patterns on the blocking insulating film and intersecting the first direction, and a channel pattern provided between the first bit line and the second bit line of each of the bit line pairs on the blocking insulating film, wherein the channel pattern has an ambipolar conduction characteristic.

SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD OF THE SEMICONDUCTOR MEMORY DEVICE

There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.

SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD OF THE SEMICONDUCTOR MEMORY DEVICE

There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.