Patent classifications
H10B12/0387
Semiconductor structure formation
Methods, apparatuses, and systems related to semiconductor structure formation are described. An example method includes forming an opening through silicon (Si) material, formed over a semiconductor substrate, to a first depth to form pillars of Si material. The example method further includes depositing an isolation material within the opening to fill the opening between the Si pillars. The example method further includes removing a portion of the isolation material from between the pillars to a second depth to create a second opening between the pillars and defining inner sidewalls between the pillars. The example method further includes depositing an enhancer material over a top surface of the pillars and along the inner sidewalls of the pillars down to a top portion of the isolation material.
METHOD OF MANUFACTURING SEMICONDUCTOR STRUCTURE, SEMICONDUCTOR STRUCTURE AND MEMORY
Embodiments of the present disclosure relate to the field of semiconductors, and in particular to a method of manufacturing a semiconductor structure, a semiconductor structure and a memory. The method of manufacturing a semiconductor structure includes: forming a first semiconductor layer on a substrate, the first semiconductor layer including a first trench region and a to-be-doped region on two opposite sides of the first trench region; forming a word line, the word line surrounding a sidewall surface of a part of the first semiconductor layer in the first trench region, and at least a part of a projection of a part of the first semiconductor layer in the to-be-doped region on a surface of the substrate coinciding with a projection of the word line on the surface of the substrate; forming a doping body portion, the doping body portion including first dopant ions.
SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREOF
Semiconductor structure and manufacturing method thereof are provided. The method includes providing a substrate provided with trenches spaced apart from each other and bit line structures spaced apart from each other, the bit line structures being at least partially located in the trenches; forming a first protection layer at least including a first side wall layer covering a side wall of each of the bit line structures and a second side wall layer covering a surface of each of the trenches; forming a second protection layer fully filling each of the trenches together with the first protection layer and at least including a silicon oxide layer formed by a thermal oxidation method; and forming a third protection layer at least covering a top surface, away from the substrate, of the second protection layer, the second and third protection layers covering a surface of the first side wall layer.
SEMICONDUCTOR STRUCTURE AND METHOD FOR FORMING SAME
Semiconductor structure and method forming the same are provided. The method includes: providing a substrate and discrete conductive structures on the substrate; forming an insulating layer on an upper surface of each of the conductive structures; forming an isolation structure on a side wall of each of the conductive structures and on a side wall of each of the insulating layers; removing part of the isolation structure located on the side wall of the insulating layer; removing part of the insulating layer that is far away from a respective one of the conductive structures, to form and surround trenches by a surface of the substrate, the side walls of the isolation structures and the side walls of the insulating layers, a width of an opening of each trench being larger than a width of a bottom of each trench in a direction perpendicular to side walls of the trenches.
MIRROR CONTACT CAPACITOR
A semiconductor structure and a method for fabricating the same. The semiconductor structure includes a substrate and a bonding layer in contact with a top surface of the substrate. At least one transistor contacts the bonding layer. The transistor includes at least one gate structure disposed on and in contact with a bottom surface of a semiconductor layer of the transistor. The semiconductor further includes a capacitor disposed adjacent to the transistor. The capacitor contacts the semiconductor layer of the transistor and extends down into the substrate. The method includes forming at least one transistor and then flipping the transistor. After the transistor has been flipped, the transistor is bonded to a new substrate. An initial substrate of the transistor is removed to expose a semiconductor layer. A capacitor is formed adjacent to the transistor and contacts with the semiconductor layer. A contact node is formed adjacent to the capacitor.
BIT LINES HAVING HIGH ELECTRICAL CONDUCTIVITY AND LOW MUTUAL CAPACITANCE AND RELATED APPARATUSES, COMPUTING SYSTEMS, AND METHODS
Bit lines having high electrical conductivity and low mutual capacitance and related apparatuses, computing systems, and methods are disclosed. An apparatus includes an electrically insulating material and bit lines including copper in the electrically insulating material. The electrically insulating material defines air gaps between the bit lines. A method of manufacturing a memory device includes forming trenches in an electrically insulating material on or in circuitry of the memory device, forming a first electrically conductive material in the trenches, removing portions of the electrically insulating material to form air gaps between the trenches, recessing the first electrically conductive material, and replacing the first electrically conductive material that was removed with a second electrically conductive material. The second electrically conductive material is more electrically conductive than the first electrically conductive material. A memory device includes the apparatus. A computing system includes the memory device.
Low warpage high density trench capacitor
A capacitor structure and method of forming the capacitor structure is provided, including a providing a doped region of a substrate having a two-dimensional trench array with a plurality of segments defined therein. Each of the plurality of segments has an array of a plurality of recesses extending along the substrate, where the plurality of segments are rotationally symmetric about a center of the two-dimensional trench array. A first conducting layer is presented over the surface and a bottom and sidewalls of the recesses and is insulated from the substrate by a first dielectric layer. A second conducting layer is presented over the first conducting layer and is insulated by a second dielectric layer. First and second contacts respectively connect to an exposed top surface of the first conducting layer and second conducting layer. A third contact connects to the substrate within a local region to the capacitor structure.
SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREFOR
A method of fabricating a semiconductor device. The method includes forming a dummy structure over a substrate, forming conductive features on opposite sides of the dummy gate structure, removing the dummy structure and a portion of the substrate beneath the dummy gate structure to form a trench, and filling the trench with a dielectric material.
SEMICONDUCTOR DEVICE
A method of forming a semiconductor device includes the following steps. First of all, a substrate is provided, and a dielectric layer is formed on the substrate. Then, at least one trench is formed in the dielectric layer, to partially expose a top surface of the substrate. The trench includes a discontinuous sidewall having a turning portion. Next, a first deposition process is performed, to deposit a first semiconductor layer to fill up the trench and to further cover on the top surface of the dielectric layer. Following these, the first semiconductor layer is laterally etched, to partially remove the first semiconductor layer till exposing the turning portion of the trench. Finally, a second deposition is performed, to deposit a second semiconductor layer to fill up the trench.
MEMORY DEVICE AND METHOD FOR MANUFACTURING MEMORY DEVICE
A memory device and a method for manufacturing a memory device are provided. The memory device includes: a substrate, and a plurality of first capacitors embedded in the substrate; a plurality of first vertical transistors and a plurality of second vertical transistors, in which the plurality of first vertical transistors and the plurality of second vertical transistors are arranged on the substrate, and in which each of the plurality of first vertical transistors is electrically connected to a respective one of the plurality of first capacitors; and a plurality of second capacitors arranged on the plurality of first vertical transistors and the plurality of second vertical transistors, in which each of the plurality of second capacitors is electrically connected to a respective one of the plurality of second vertical transistors.