Patent classifications
H10B41/00
SEMICONDUCTOR STRUCTURE OF SPLIT GATE FLASH MEMORY CELL
The present invention provides a semiconductor structure for a split gate flash memory cell and a method of manufacturing the same. The split gate flash memory cell provided by the present invention at least includes a select gate and a floating gate formed on the substrate, one side of the select gate is formed with an isolation wall, and the floating gate is on the other side of the isolation wall. An ion implantation region is formed in an upper portion of the substrate below the isolation wall, wherein the ion implantation type of the ion implantation region is different from the ion implantation type of the substrate. The manufactured split gate flash memory cell can reduce the influence of the channel inversion region on the channel current, thereby improving the characteristics of the channel current of the flash cell and optimizing the device performance.
Logic drive with brain-like elasticity and integrality based on standard commodity FPGA IC chips using non-volatile memory cells
A chip package comprises an interposer; an FPGA IC chip over the interposer, wherein the FPGA IC chip comprises a programmable logic block configured to perform a logic operation on its inputs, wherein the programmable logic block comprises a look-up table configured to be provided with multiple resulting values of the logic operation on multiple combinations of the inputs of the programmable logic block respectively, wherein the programmable logic block is configured to select, in accordance with one of the combinations of its inputs, one from the resulting values into its output, and multiple non-volatile memory cells configured to save the resulting values respectively; multiple first metal bumps between the interposer and the FPGA IC chip; and an underfill between the interposer and the FPGA IC chip, wherein the underfill encloses the first metal bumps.
Method for manufacturing memory device
A method for manufacturing a memory device is provided. The method includes the following steps: providing a substrate; forming a plurality of first gate structures; forming a lining layer on the substrate; forming a spacer layer on the lining layer; forming a stop layer on the spacer layer; forming a first sacrificial layer on the stop layer; removing a portion of the first sacrificial layer to expose the stop layer on the first gate structures, and to expose the stop layer at the bottoms of the trenches; removing the stop layer at the bottoms of the trenches to expose the spacer layer; removing the remaining first sacrificial layer; forming a second sacrificial layer on the substrate; and removing the second sacrificial layer, and removing the spacer layer and the lining layer at the bottoms of the plurality of trenches to expose the substrate.
Method of forming split gate memory cells with thinned side edge tunnel oxide
A memory device includes a semiconductor substrate with memory cell and logic regions. A floating gate is disposed over the memory cell region and has an upper surface terminating in opposing front and back edges and opposing first and second side edges. An oxide layer has a first portion extending along the logic region and a first thickness, a second portion extending along the memory cell region and has the first thickness, and a third portion extending along the front edge with the first thickness and extending along a tunnel region portion of the first side edge with a second thickness less than the first thickness. A control gate has a first portion disposed on the oxide layer second portion and a second portion vertically over the front edge and the tunnel region portion of the first side edge. A logic gate is disposed on the oxide layer first portion.
MULTI-TYPE HIGH VOLTAGE DEVICES FABRICATION FOR EMBEDDED MEMORY
Various embodiments of the present application are directed to an IC device and associated forming methods. In some embodiments, a memory region and a logic region are integrated in a substrate. A memory cell structure is disposed on the memory region. A plurality of logic devices disposed on a plurality of logic sub-regions of the logic region. A first logic device is disposed on a first upper surface of a first logic sub-region. A second logic device is disposed on a second upper surface of a second logic sub-region. A third logic device is disposed on a third upper surface of a third logic sub-region. Heights of the first, second, and third upper surfaces of the logic sub-regions monotonically decrease. By arranging logic devices on multiple recessed positions of the substrate, design flexibility is improved and devices with multiple operation voltages are better suited.
METHOD FOR MANUFACTURING NON-VOLATILE MEMORY DEVICE
A method for manufacturing a non-volatile memory device is provided. The method includes forming a trench through a sacrificial layer and extending into a substrate, filling a first insulating material into the trench, and implanting a dopant in the first insulating material by an implantation process. Then, the first insulating material is partially removed to form a first recess between the sacrificial layers. The lowest point of the first recess is lower than the top surface of the substrate. The method includes filling a second insulating material in the first recess and removing the sacrificial layer to form a second recess adjacent to the second insulating material The method includes forming a first polycrystalline silicon layer in the second recess, and sequentially forming a dielectric layer and a second polycrystalline silicon layer on the first polycrystalline silicon layer.
Semiconductor device structures with liners
Methods of forming semiconductor devices, memory cells, and arrays of memory cells include forming a liner on a conductive material and exposing the liner to a radical oxidation process to densify the liner. The densified liner may protect the conductive material from substantial degradation or damage during a subsequent patterning process. A semiconductor device structure, according to embodiments of the disclosure, includes features extending from a substrate and spaced by a trench exposing a portion of a substrate. A liner is disposed on sidewalls of a region of at least one conductive material in each feature. A semiconductor device, according to embodiments of the disclosure, includes memory cells, each comprising a control gate region and a capping region with substantially aligning sidewalls and a charge structure under the control gate region.
MEMORY STACKED ON PROCESSOR FOR HIGH BANDWIDTH
Embodiments of the present disclosure relate to memory stacked on processor for high bandwidth. Systems and methods are disclosed for providing a one-level memory for a processing system by stacking bulk memory on a processor die. In an embodiment, one or more memory dies are stacked on the processor die. The processor die includes multiple processing tiles, where each tile includes a processing unit, mapper, and tile network. Each memory die includes multiple memory tiles. The processing tile is coupled to each memory tile that is above or below the processing tile. The vertically aligned memory tiles comprise the local memory block for the processing tile. The ratio of memory bandwidth (byte) to floating-point operation (B:F) may improve 50× for accessing the local memory block compared with conventional memory. Additionally, the energy consumed to transfer each bit may be reduced by 10×.
Semiconductor memory
A semiconductor memory includes first to fourth stacked bodies. The first stacked body includes a first conductor, and an alternating stack of first insulators and second conductors above the first conductor in a region. The second stacked body includes a third conductor, and an alternating stack of second insulators and fourth conductors above the third conductor in another region. The third stacked body includes a fifth conductor adjacent to the first conductor via a third insulator in a separation region. The fourth stacked body includes a seventh conductor adjacent to the third conductor via a fifth insulator in the separation region. The fifth conductor is electrically insulated from the seventh conductor.
LOGIC DRIVE BASED ON STANDARD COMMODITY FPGA IC CHIPS USING NON-VOLATILE MEMORY CELLS
A field-programmable-gate-array (FPGA) IC chip includes multiple first non-volatile memory cells in the FPGA IC chip, wherein the first non-volatile memory cells are configured to save multiple resulting values for a look-up table (LUT) of a programmable logic block of the FPGA IC chip, wherein the programmable logic block is configured to select, in accordance with its inputs, one from the resulting values into its output; and multiple second non-volatile memory cells in the FPGA IC chip, wherein the second non-volatile memory cells are configured to save multiple programming codes configured to control a switch of the FPGA IC chip.