H10B12/01

MEMORY DEVICE HAVING 2-TRANSISTOR VERTICAL MEMORY CELL
20230030364 · 2023-02-02 ·

Some embodiments include apparatuses and methods of forming the apparatuses. One of the apparatuses includes a memory cell, first, second, and third data lines, and first and second access lines. Each of the first, second, and third data lines includes a length extending in a first direction. Each of the first and second access lines includes a length extending in a second direction. The memory cell includes a first transistor including a charge storage structure, and a first channel region electrically separated from the charge storage structure, and a second transistor including a second channel region electrically coupled to the charge storage structure. The first data line is electrically coupled to the first channel region. The second data line is electrically coupled to the first channel region. The third data line is electrically coupled to the second channel region, the second channel region being between the charge storage structure and the third data line. The first access line is located on a first level of the apparatus and separated from the first channel by a first dielectric. The second access line is located on a second level of the apparatus and separated from the second channel by a second dielectric. The charge storage structure is located on a level of the apparatus between the first and second levels.

SEMICONDUCTOR MEMORY DEVICE OF 2T-1C STRUCTURE AND METHOD OF FABRICATING THE SAME

A semiconductor memory device may include first and second bit lines spaced apart from each other, an interlayer insulating layer covering the first and second bit lines and including a groove extending to cross both of the first and second bit lines, a first channel pattern connected to the first bit line and in contact with an inner side surface of the groove and covering a top surface of the interlayer insulating layer, a second channel pattern connected to the second bit line and in contact with an opposite inner side surface of the groove and covering the top surface of the interlayer insulating layer, a word line in the groove, first and second electrodes on the interlayer insulating layer and in contact with the first and second channel patterns, respectively, and a dielectric layer between the first and second electrodes.

SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME

A semiconductor memory device includes a stack structure comprising a plurality of layers vertically stacked on a substrate, each layer including a semiconductor pattern, a gate electrode extending in a first direction on the semiconductor pattern, and a data storage element electrically connected to the semiconductor pattern, a plurality of vertical insulators penetrating the stack structure, the vertical insulators arranged in the first direction, and a bit line provided at a side of the stack structure and extending vertically. The bit line electrically connects the semiconductor patterns which are stacked. Each of the vertical insulators includes first and second vertical insulators adjacent to each other. The gate electrode includes a connection portion disposed between the first and second vertical insulators.

METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE, SEMICONDUCTOR STRUCTURE, AND CAPACITOR STRUCTURE
20230034079 · 2023-02-02 ·

A method for manufacturing a semiconductor structure, a semiconductor structure, and a capacitor structure are provided. The method includes: providing a substrate, a plurality of blind holes or grooves being provided in a surface of the substrate; forming filling layers in the plurality of blind holes or grooves, top surfaces of the filling layers being flush with a top surface of the substrate; and forming a cap layer on the top surfaces of the filling layers and the top surface of the substrate, in which the cap layer includes at least a film-stacked structure, the film-stacked structure includes a first cap film and a second cap film, and a doping material source of the first cap film is different from a doping material source of the second cap film.

Semiconductor memory device

A semiconductor device includes a substrate, a peripheral circuit layer, a first active pattern, a gate electrode, a first insulating layer, a conductive contact, and a second active pattern. The peripheral circuit layer is disposed on the substrate, and the peripheral circuit layer includes logic transistors and an interconnection layer that is disposed on the logic transistors. The first active pattern is disposed on the peripheral circuit layer. The gate electrode is disposed on a channel region of the first active pattern. The first insulating layer is disposed on the first active pattern and the gate electrode. The conductive contact is disposed in the first insulating layer and is electrically connected to a first source/drain region of the first active pattern, and the second active pattern is disposed on the first insulating layer. The channel region of the second active pattern vertically overlaps with the conductive contact.

Multi-layer random access memory and methods of manufacture
11605636 · 2023-03-14 · ·

A semiconductor structure for a DRAM is described having multiple layers of arrays of memory cells. Memory cells in a vertical string extending through the layers have an electrical connection to one terminal of the memory cells in that string. Word lines couple the strings together. Each layer of the array also includes bit line connections to memory cells on that layer. Select transistors enable the use of folded bit lines. The memory cells preferably are thyristors. Methods of fabricating the array are described.

FUSE COMPONENT, SEMICONDUCTOR DEVICE, AND METHOD FOR MANUFACTURING A FUSE COMPONENT
20230125837 · 2023-04-27 ·

A fuse component, a semiconductor device, and a method of manufacturing a fuse component are provided. The fuse component includes an active region having a surface, a fuse dielectric layer extending from the surface of the active region into the active region, and a gate metal layer surrounded by the fuse dielectric layer.

PRODUCTION METHOD FOR SEMICONDUCTOR MEMORY DEVICE
20230127781 · 2023-04-27 ·

A dynamic flash memory cell is formed by: stacking a first insulating layer, a first material layer, a second insulating layer, a second material layer, a third insulating layer, and a third material layer on a first impurity layer on a P-layer substrate; making a first hole that extends through the insulating layers and the material layers formed on the P-layer substrate; forming a semiconductor pillar by filling the first hole; making a second hole and a third hole by removing the first material layer and the second material layer; forming a first gate insulating layer and a second gate insulating layer by oxidizing a surface layer of the semiconductor pillar exposed inside the second hole and inside the third hole; and forming a first gate conductor layer and a second gate conductor layer by filling the second hole and the third hole.

SEMICONDUCTOR STRUCTURE AND METHOD FOR FABRICATING SAME
20230125245 · 2023-04-27 ·

Embodiments discloses a semiconductor structure and a fabricating method. The method includes: forming a contact hole on a substrate; forming a first doped layer on a surface of the contact hole, and annealing the first doped layer; forming at least one second doped layer on the first doped layer, and annealing each of the at least one second doped layer; and forming a third doped layer on the at least one second doped layer to fill up the contact hole. A thickness of the at least one second doped layer is greater than a thickness of the third doped layer, and the thickness of the third doped layer is greater than the thickness of the first doped layer. Annealing not only can repair lattice mismatch and lattice defect in the first doped layer/second doped layer, but also can improve surface roughness of the first doped layer/second doped layer.

Multicolor approach to DRAM STI active cut patterning

Apparatuses and methods to provide a patterned substrate are described. A plurality of patterned and spaced first lines and carbon material lines and formed on the substrate surface by selectively depositing and etching films extending in a first direction and films extending in a second direction that crosses the first direction to pattern the underlying structures.