Some embodiments include an integrated assembly having digit lines which extend along a first direction, and which are spaced from one another by intervening regions. Each of the intervening regions has a first width along a cross-section. Pillars extend upwardly from the digit lines; and the pillars include transistor channel regions extending vertically between upper and lower source/drain regions. Storage elements are coupled with the upper source/drain regions. Wordlines extend along a second direction which crosses the first direction. The wordlines include gate regions adjacent the channel regions. Shield lines are within the intervening regions and extend along the first direction. The shield lines may be coupled with at least one reference voltage node. Some embodiments include methods of forming integrated assemblies.

Embodiments provide an integrated capacitor disposed directly over and aligned to a vertical gate all around memory cell transistor. In some embodiments, an air gap may be provided between adjacent word lines to provide a low k dielectric effect between word lines. In some embodiments, a bottom bitline structure may be split across multiple layers. In some embodiments, a second tier of vertical cells may be positioned over a first tier of vertical cells.

A semiconductor device and a data storage system including the same, the semiconductor device including a substrate structure; a stack structure; a vertical memory structure; a vertical dummy structure; and an upper separation pattern, wherein hen viewed on a plane at a first height level, higher than a height level of a lowermost end of the upper separation pattern, the dummy channel layer includes a first dummy channel region facing the dummy data storage layer and a second dummy channel region facing the dummy data storage layer, the first dummy channel region having a thickness different from a thickness of the second dummy channel region.

A semiconductor structure, a method for manufacturing the same and a memory are provided. The semiconductor structure includes a substrate, multiple first active pillars above the substrate, a memory structure, multiple transistors, and multiple second active pillars. The multiple first active pillars are arranged in an array along a first direction and a second direction. The substrate includes an isolation structure on which the first active pillars are located. The memory structure includes first electrode layers, a dielectric layer and a second electrode layer. The first electrode layer covers a sidewall of the first active pillar, the dielectric layer covers at least surfaces of the first electrode layers, the second electrode layer covers a surface of the dielectric layer. Each of the second active pillars is located above a corresponding one of the first active pillars; a channel structure of each transistor is located in the second active pillar.

A semiconductor structure, a method for manufacturing a semiconductor structure, and a memory are provided. The semiconductor structure includes: a plurality of first semiconductor pillars, a plurality of second semiconductor pillars, a first support layer, and a storage structure. The plurality of first semiconductor pillars are arranged in an array in a first direction and in a second direction. Each of the first direction and the second direction is perpendicular to an extending direction of each first semiconductor pillar, and the first direction intersects with the second direction. The first support layer covers sidewalls of top portions of the plurality of first semiconductor pillars. Each second semiconductor pillar is arranged on a respective one of the plurality of first semiconductor pillars. The storage structure is arranged around at least sidewalls of the plurality of first semiconductor pillars and sidewalls of the plurality of second semiconductor pillars.

A semiconductor memory device includes a bit line extending in a first direction, a channel pattern on the bit line, the channel pattern including first and second vertical portions facing each other and a horizontal portion connecting the first and second vertical portions, first and second word lines provided on the horizontal portion and between the first and second vertical portions and extended in a second direction crossing the bit line, and a gate insulating pattern provided between the first word line and the channel pattern and between the second word line and the channel pattern.

In certain aspects, a three-dimensional (3D) memory device includes a first semiconductor structure, a second semiconductor structure, and a bonding interface between the first semiconductor structure and the second semiconductor structure. The first semiconductor structure includes a peripheral circuit. The second semiconductor structure includes an array of memory cells and a plurality of bit lines coupled to the memory cells and each extending in a second direction perpendicular to the first direction. Each of the memory cells includes a vertical transistor extending in a first direction, and a storage unit coupled to the vertical transistor. A respective one of the bit lines and a respective storage unit are coupled to opposite ends of each one of the memory cells in the first direction. Two adjacent vertical transistors of the vertical transistors in the second direction are mirror-symmetric to one another. The array of memory cells is coupled to the peripheral circuit across the bonding interface.

The present disclosure provides a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes: an array region, where the array region is provided with a plurality of active pillars; a plurality of bit lines extending along a first direction, where the bit line is located at a bottom of the active pillar; and a plurality of word lines extending along a second direction, where any one of the word lines covers sidewalls of a column of the active pillars arranged along the second direction; and the first direction and the second direction form a predetermined angle, and the predetermined angle is an acute angle or an obtuse angle.

In a method for manufacturing a semiconductor device, a doped region is formed in a substrate from a first main surface. An insulating layer is formed over the doped region of the substrate. Contacts are formed in the insulating layer such that the contacts extend into the doped region. A portion of the substrate is removed from a second main surface. A trench, a first conductive line, and a second conductive line are formed from the doped region of the substrate through etching the substrate from the second main surface. The trench extends through the substrate to expose the insulating layer. The first and second conductive lines are spaced apart from each other by the trench. The contacts are positioned along and in contact with the first and second conductive lines. The trench is filled with a dielectric material.

A method of forming an array of capacitors comprises forming a plurality of horizontally-spaced groups that individually comprise a plurality of horizontally-spaced lower capacitor electrodes having a capacitor insulator thereover. Adjacent of the groups are horizontally spaced farther apart than are adjacent of the lower capacitor electrodes within the groups. A void space is between the adjacent groups. An upper capacitor electrode material is formed in the void space and in the groups over the capacitor insulator and the lower capacitor electrodes. The upper capacitor electrode material in the void space connects the upper capacitor electrode material that is in the adjacent groups relative to one another. The upper capacitor electrode material less-than-fills the void space. At least a portion of the upper capacitor electrode material is removed from the void space to disconnect the upper capacitor electrode material in the adjacent groups from being connected relative to one another. A horizontally-elongated conductive line is formed atop and is directly electrically coupled to the upper capacitor electrode material in individual of the groups. Other methods, including structure independent of method of manufacture, are disclosed.