An object is to provide a semiconductor device of which a manufacturing process is not complicated and by which cost can be suppressed, by forming a thin film transistor using an oxide semiconductor film typified by zinc oxide, and a manufacturing method thereof. For the semiconductor device, a gate electrode is formed over a substrate; a gate insulating film is formed covering the gate electrode; an oxide semiconductor film is formed over the gate insulating film; and a first conductive film and a second conductive film are formed over the oxide semiconductor film. The oxide semiconductor film has at least a crystallized region in a channel region.

Semiconductor device, and manufacturing method thereof

A memory cell array has a first and a second storage area. The first storage area has a memory elements selected by an address signal. The second storage area has a memory elements selected by a control signal. A control circuit has a fuse element. When the fuse element has been blown, the control circuit inhibits at least one of writing and erasing from being done on the second storage area.

Nonvolatile Semiconductor Memory Device

Provided are a semiconductor device, which can facilitate a salicide process and can prevent a gate from being damaged due to misalign, and a method of manufacturing of the semiconductor device. The method includes forming a first insulation layer pattern on a substrate having a gate pattern and a source/drain region formed at both sides of the gate pattern, the first insulation layer pattern having an exposed portion of the source/drain region, forming a silicide layer on the exposed source/drain region, forming a second insulation layer on the entire surface of the substrate to cover the first insulation layer pattern and the silicide layer, and forming a contact hole in the second insulation layer to expose the silicide layer.

Semiconductor devices and methods of manufacturing the same

Provided are a non-volatile memory device that may expand to a stacked structure and may be more easily highly integrated and an economical method of fabricating the non-volatile memory device. The non-volatile memory device may include at least one semiconductor column. At least one first control gate electrode may be arranged on a first side of the at least one semiconductor column. At least one second control gate electrode may be arranged on a second side of the at least one semiconductor column. A first charge storage layer may be between the at least one first control gate electrode and the at least one semiconductor column. A second charge storage layer may be between the at least one second control gate electrode and the at least one semiconductor column.

Non-volatile memory device and method of fabricating the same

A multi-layered non-volatile memory device and a method of manufacturing the same. The non-volatile memory device may include a plurality of first semiconductor layers having a stack structure. A plurality of control gate electrodes may extend across the first semiconductor layers. A first body contact layer may extend across the first semiconductor layers. A plurality of charge storage layers may be interposed between the control gate electrodes and the first semiconductor layers.

Non-volatile memory device and method of manufacturing the same

A nonvolatile semiconductor memory device includes a memory cell array region including a plurality of NAND cells, each NAND cell having a plurality of memory cell transistors, and which are arranged in series, and a plurality of select transistors. A trench-type isolation region is formed between columns in the array of the NAND columns. The trench-type isolation region is formed in self-alignment with end portions of the channel region and a floating gate of the memory cell transistor, formed in self-alignment with the end portion of a channel region of the select transistor, and has a recess formed in at least the upper surface between the floating gates of the memory cell transistors.

Nonvolatile semiconductor memory device having trench-type isolation region, and method of fabricating the same

According to one embodiment, a memory cell includes a charge storage layer. A first air gap is provided between charge storage layers adjacent in a word line direction. A second air gap is provided between charge storage layers adjacent in a bit line direction.

Nonvolatile semiconductor memory device and manufacturing method of nonvolatile semiconductor memory device

According to one embodiment, a plurality of memory cells are provided on a semiconductor substrate. In each memory cell, a control gate electrode is provided on a charge accumulation layer with an inter-electrode insulation film interposed between the control gate electrode and the charge accumulation layer, an air gap is provided between the charge accumulation layers adjacent to each other in a word line direction, and an insulation film disposed below the inter-electrode insulation film is divided into an upper part and a lower part by the air gap.

Non-volatile semiconductor memory device and method of manufacturing non-volatile semiconductor memory device

A semiconductor device including a first isolation region dividing a semiconductor substrate into first regions; memory cells each including a tunnel insulating film, a charge storing layer, an interelectrode insulating film, and a control gate electrode above the first region; a second isolation region dividing the substrate into second regions in a peripheral circuit region; and a peripheral circuit transistor including a gate insulating film and a gate electrode above the second region. The first isolation region includes a first trench, a first element isolation insulating film filled in a bottom portion of the first trench, and a first gap formed between the first element isolation insulating film and the interelectrode insulating film. The second isolation region includes a second trench and a second element isolation insulating film filled in the second trench. The first and the second element isolation insulating films have different properties.

Semiconductor storage device and method of manufacturing the same

PROBLEM TO BE SOLVED: To restrain an un-etched part from being left on a floating gate layer at the side of an element isolation insulating film when the floating gate layer is patterned so as to prevent a short circuit from occurring between gates, in a nonvolatile semiconductor memory equipped with memory cells and peripheral transistors having a laminated gate structure. SOLUTION: In a NAND flash memory, the sides of an element isolation region 107 and the ends of an element region and floating gates 103 and 104 are formed in a self-aligned manner, and a part of the top of the element isolation region 107 is recessed to serve as a recess 111 in the mutual region of the adjacent floating gates. COPYRIGHT: (C)2005,JPO&NCIPI

Nonvolatile semiconductor memory device, its manufacturing method, electronic card, and electronic device

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