A manipulating method of a nonvolatile memory is provided and comprises following steps. The nonvolatile memory having a plurality of memory cell is provided. Two adjacent memory cells correspond to one bit and comprise a substrate, a first and another first doping regions, a second doping region, a charge trapping layer, a control gate, a first bit line, a source line and a second bit line different from the first bit line. A first and a second channel are formed. The charge trapping layer is disposed on the first and the second channels. The two adjacent memory cells are programmed by following steps. A first positive and negative voltages are applied to the control gate between the first and the second doping regions and the control gate between the second and the another first doping regions, respectively. A first voltage is applied to the source line.

Nonvolatile memory and manipulating method thereof

A method for programming a non-volatile memory cell is described. The memory cell includes a substrate, a gate over the substrate, a charge-trapping structure at least between the substrate and the gate, and first and second S/D regions in the substrate beside the gate. The method includes performing a channel-initiated secondary electron (CHISEL) injection process to inject electrons to the charge-trapping structure.

Method for programming non-volatile memory cell, non-volatile memory array and non-volatile memory apparatus

A flash memory structure includes a memory gate on a substrate, a select gate adjacent to the memory gate, and an oxide-nitride spacer between the memory gate and the select gate, where the oxide-nitride spacer further includes an oxide layer and a nitride layer having an upper nitride portion and a lower nitride portion, and the upper nitride portion is thinner than the lower nitride portion.

Flash memory and method of manufacturing the same

An operating method of a memory device includes providing the memory device and performing an erase operation The memory device includes a substrate, a gate dielectric layer formed on the substrate, a gate conductive layer formed on the gate dielectric layer, a charge trapping layer, a charge blocking layer, a source region, and a drain region The charge trapping layer has a vertical portion formed on a sidewall of the gate conductive layer and a horizontal portion formed between the substrate and the gate conductive layer The charge blocking layer is formed between the substrate and the charge trapping layer The source and drain regions are formed in the substrate and located at two sides of the gate conductive layer respectively Performing the erase operation includes applying an erase voltage to the gate conductive layer for inducing a BBHH injection and a FN hole tunneling

Operating method of memory device

A method for manufacturing a non-volatile memory structure includes providing a substrate having a gate structure, performing a first oxidation process to form a first SiO layer at least covering a bottom corner of the conductive layer, performing a first etching process to remove the first SiO layer and a portion of the dielectric layer to form a cavity, performing a second oxidation process to form a second SiO layer covering sidewalls of the cavity and a third SiO layer covering a surface of the substrate, forming a first SiN layer filling in the cavity and covering the gate structure on the substrate, and removing a portion of the first SiN layer to form a SiN structure including a foot portion filling in the cavity and an erection portion upwardly extended from the foot portion, and the erection portion covering sidewalls of the gate structure.

Non-volatile memory device with undercut ONO trapping structure and manufacturing method thereof

A manufacturing method of a non-volatile memory is disclosed. A gate structure is formed on a substrate and includes a gate dielectric layer and a gate conductive layer. The gate dielectric layer is partly removed, thereby a symmetrical opening is formed among the gate conductive layer, the substrate and the gate dielectric layer, and a cavity is formed on end sides of the gate dielectric layer. A first oxide layer is formed on a sidewall and bottom of the gate conductive layer, and a second oxide layer is formed on a surface of the substrate. A nitride material layer is formed covering the gate structure, the first and second oxide layer and the substrate and filling the opening. An etching process is performed to partly remove the nitride material layer, thereby a nitride layer is formed on a sidewall of the gate conductive layer and extending into the opening.

Non-volatile memory and manufacturing method thereof

A non-volatile memory includes a substrate, a gate dielectric layer, a gate conductive layer, a nitride layer, a spacer, a first oxide layer, and a second oxide layer The gate conductive layer, substrate and gate dielectric layer cooperatively constitute a symmetrical opening thereamong The nitride layer has an L-shape and formed with a vertical part extending along a sidewall of the gate conductive layer and a horizontal part extending into the opening, wherein the vertical part and the horizontal part are formed as an integral structure and a height of the vertical part is below a top surface of the gate conductive layer The spacer is disposed on the substrate and the nitride layer The first oxide layer is disposed among the gate conductive layer, the nitride layer and the gate dielectric layer The second oxide layer is disposed among the gate dielectric layer, the nitride layer and the substrate

Non-volatile memory

A method for manufacturing a non-volatile memory is disclosed. A gate structure is formed on a substrate and includes a gate dielectric layer and a gate conductive layer. The gate dielectric layer is partly removed, thereby a symmetrical opening is formed among the gate conductive layer, the substrate and the gate dielectric layer, and a cavity is formed on end sides of the gate dielectric layer. A first oxide layer is formed on a sidewall and bottom of the gate conductive layer, and a second oxide layer is formed on a surface of the substrate. A nitride material layer is formed covering the gate structure, the first and second oxide layer and the substrate and filling the opening. An etching process is performed to partly remove the nitride material layer, thereby forming a nitride layer on a sidewall of the gate conductive layer and extending into the opening.

Method for manufacturing non-volatile memory

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Non-volatile memory and manufacturing method thereof

Non-volatile memory

Method for manufacturing non-volatile memory