Patent classifications
H10D30/6893
Discrete storage element formation for thin-film storage device
Provided is a method of forming a decoupling capacitor device and the device thereof. The decoupling capacitor device includes a first dielectric layer portion that is deposited in a deposition process that also deposits a second dielectric layer portion for a non-volatile memory cell. Both portions are patterned using a single mask. A system-on-chip (SOC) device is also provided, the SOC include an RRAM cell and a decoupling capacitor situated in a single inter-metal dielectric layer. Also a method for forming a process-compatible decoupling capacitor is provided. The method includes patterning a top electrode layer, an insulating layer, and a bottom electrode layer to form a non-volatile memory element and a decoupling capacitor.
SEMICONDUCTOR MEMORY DEVICE
According to one embodiment, a semiconductor memory device includes a semiconductor layer, a first electrode, first and second oxide layers, and a storage layer. The first oxide layer is provided between the semiconductor layer and the first electrode. The second oxide layer is provided between the first oxide layer and the first electrode. The storage layer is provided between the first and second oxide layers. The storage layer includes a first region including silicon nitride, a second region provided between the first region and the second oxide layer and including silicon nitride, and a third region provided between the first and second regions. The third region includes a plurality of first metal atoms. A first density of bond of the first metal atoms in the third region is lower than a second density of bond of the first metal atom and a nitrogen atom in the third region.
Weighting device, neural network, and operating method of the weighting device
Provided are a weighting device that may be driven at a low voltage and is capable of embodying multi-level weights, a neural network, and a method of operating the weighting device. The weighting device includes a switching layer that may switch between a high resistance state and a low resistance state based on a voltage applied thereto and a charge trap material layer that traps or discharges charges according to a resistance state of the switching layer. The weighting device may be used for controlling a weight in a neural network.
Semiconductor device
A semiconductor device includes a first pillar-shaped semiconductor layer, a first selection gate insulating film, a first selection gate, a first gate insulating film, a first contact electrode, a first bit line connected to an upper portion of the first pillar-shaped semiconductor layer and an upper portion of the first contact electrode, a second pillar-shaped semiconductor layer, a layer including a first charge storage layer, a first control gate, a layer including a second charge storage layer and formed above the first control gate, a second control gate, a second gate insulating film, a second contact electrode having an upper portion connected to an upper portion of the second pillar-shaped semiconductor layer, and a first lower internal line that connects a lower portion of the first pillar-shaped semiconductor layer and a lower portion of the second pillar-shaped semiconductor layer.
METHODS AND STRUCTURES FOR A SPLIT GATE MEMORY CELL STRUCTURE
A method of forming a split gate memory cell structure using a substrate includes forming a gate stack comprising a select gate and a dielectric portion overlying the select gate. A charge storage layer is formed over the substrate including over the gate stack. A first sidewall spacer of conductive material is formed along a first sidewall of the gate stack extending past a top of the select gate. A second sidewall spacer of dielectric material is formed along the first sidewall on the first sidewall spacer. A portion of the first sidewall spacer is silicided using the second sidewall spacer as a mask whereby silicide does not extend to the charge storage layer.
SILICON NANO-TIP THIN FILM FOR FLASH MEMORY CELLS
A quantum nano-tip (QNT) thin film, such as a silicon nano-tip (SiNT) thin film, for flash memory cells is provided to increase erase speed. The QNT thin film includes a first dielectric layer and a second dielectric layer arranged over the first dielectric layer. Further, the QNT thin film includes QNTs arranged over the first dielectric layer and extending into the second dielectric layer. A ratio of height to width of the QNTs is greater than 50 percent. A QNT based flash memory cell and a method for manufacture a SiNT based flash memory cell are also provided.
Scalable split gate memory cell array
A split gate memory array includes a first row having memory cells; a second row having memory cells, wherein the second row is adjacent to the first row; and a plurality of segments. Each segment includes a first plurality of memory cells of the first row, a second plurality of memory cells of the second row, a first control gate portion which forms a control gate of each memory cell of the first plurality of memory cells, and a second control gate portion which forms a control gate of each memory cell of the second plurality of memory cells. The first control gate portion and the second control gate portion converge to a single control gate portion between neighboring segments of the plurality of segments.
Method of forming semiconductor structure of control gate, and semiconductor device
A method of forming a semiconductor structure of a control gate is provided, including depositing a first dielectric layer overlying a substrate, forming a surface modification layer from the first dielectric layer; and forming semiconductor dots on the surface modification layer. The surface modification layer has a bonding energy to the semiconductor dots less than the bonding energy between the first dielectric layer and the semiconductor dots. Therefore the semiconductor dots have higher density to form on the surface modification layer than that to directly form on the first dielectric layer. And a semiconductor device is also provided to tighten threshold voltage (Vt) and increase programming efficiency.
DISCRETE STORAGE ELEMENT FORMATION FOR THIN-FILM STORAGE DEVICE
Provided is a method of forming a decoupling capacitor device and the device thereof. The decoupling capacitor device includes a first dielectric layer portion that is deposited in a deposition process that also deposits a second dielectric layer portion for a non-volatile memory cell. Both portions are patterned using a single mask. A system-on-chip (SOC) device is also provided, the SOC include an RRAM cell and a decoupling capacitor situated in a single inter-metal dielectric layer. Also a method for forming a process-compatible decoupling capacitor is provided. The method includes patterning a top electrode layer, an insulating layer, and a bottom electrode layer to form a non-volatile memory element and a decoupling capacitor.
Method for integrating non-volatile memory cells with static random access memory cells and logic transistors
A method of making a semiconductor device is described. The method comprises depositing a first polysilicon layer in a non-volatile memory (NVM) region and a logic region of a substrate. A first coating layer is deposited over the first polysilicon layer. The first coating layer and the first polysilicon layer are patterned to form a first gate in the NVM region. A memory cell is formed including the first gate. The first coating layer and the first layer of polysilicon in the logic region are removed and a logic gate polysilicon layer is deposited. The logic gate polysilicon layer is patterned to form a second gate in the logic region while the logic gate polysilicon layer is removed from the NVM region. Source/drain regions of the memory cell and the second gate are implanted concurrently.