摘要:
A nonvolatile semiconductor memory device, includes: a stacked structural unit including electrode films alternately stacked with inter-electrode insulating films; first and second semiconductor pillars piercing the stacked structural unit; a connection portion semiconductor layer electrically connect the first and second semiconductor pillars; a connection portion conductive layer provided to oppose the connection portion semiconductor layer; a memory layer and an inner insulating film provided between the first and semiconductor pillars and each of the electrode films, and between the connection portion conductive layer and the connection portion semiconductor layer; an outer insulating film provided between the memory layer and each of the electrode films; and a connection portion outer insulating film provided between the memory layer and the connection portion conductive layer. The connection portion outer insulating film has a film thickness thicker than a film thickness of the outer insulating film.
摘要:
A nonvolatile semiconductor memory device, includes: a stacked structural unit including a plurality of stacked component units stacked in a first direction, each of the stacked component units including a first conducting film made of a semiconductor of a first conductivity type provided perpendicular to the first direction and a first insulating film stacked in the first direction with the first conducting film; a semiconductor pillar piercing the stacked structural unit in the first direction and including a conducting region of a second conductivity type, the semiconductor pillar including a first region opposing each of the first conducting films, and a second region provided between the first regions with respect to the first direction, the second region having a resistance different from a resistance of the first region; and a second insulating film provided between the semiconductor pillar and the first conducting film.
摘要:
A storage device includes a recording medium, a probe, a substrate, and a processing unit. The recording medium stores a signal. The probe reads or writes the signal to/from the recording medium. The substrate is provided with the probe via a conductive anchor interposed therebetween and a first connection terminal connected to the probe. The processing unit is provided on the substrate and has a second connection terminal. The second connection terminal is connected to the first connection terminal.
摘要:
A nonvolatile semiconductor memory device includes: a memory unit; and a control unit. The memory unit includes a multilayer structure including electrode films and inter-electrode insulating films alternately stacked in a first direction; a semiconductor pillar piercing the multilayer structure in the first direction; a memory layer provided between the semiconductor pillar and the electrode films; a inner insulating film provided between the memory layer and the semiconductor pillar; a outer insulating film provided between the memory layer and the electrode films; and a wiring electrically connected to the first semiconductor pillar. In erasing operation, the control unit sets the first wiring at a first potential and sets the electrode film at a second potential lower than the first potential, and then sets the first wiring at a third potential and sets the electrode film at a fourth potential higher than the third potential.
摘要:
A nonvolatile semiconductor memory device includes: a semiconductor substrate; a multilayer structure; a semiconductor pillar; a third insulating film; and a fourth insulating film layer. The a multilayer structure is provided on the semiconductor substrate and including a plurality of constituent multilayer bodies stacked in a first direction perpendicular to a major surface of the semiconductor substrate. Each of the plurality of constituent multilayer bodies includes an electrode film provided parallel to the major surface, a first insulating film, a charge storage layer provided between the electrode film and the first insulating film, and a second insulating film provided between the charge storage layer and the electrode film. The semiconductor pillar penetrates through the multilayer structure in the first direction. The third insulating film is provided between the semiconductor pillar and the electrode film. The fourth insulating film is provided between the semiconductor pillar and the charge storage layer.
摘要:
According to one embodiment, a nonvolatile semiconductor memory device includes a substrate, a stacked body, a semiconductor pillar, a charge storage film, and a drive circuit. The stacked body is provided on the substrate. The stacked body includes a plurality of insulating films alternately stacked with a plurality of electrode films. A through-hole is made in the stacked body to align in a stacking direction. The semiconductor pillar is buried in an interior of the through-hole. The charge storage film is provided between the electrode film and the semiconductor pillar. The drive circuit supplies a potential to the electrode film. The diameter of the through-hole differs by a position in the stacking direction. The drive circuit supplies a potential to reduce a potential difference with the semiconductor pillar as a diameter of the through-hole piercing the electrode film decreases.
摘要:
A nonvolatile semiconductor memory device includes: a memory unit; and a control unit. The memory unit includes a multilayer structure including electrode films and inter-electrode insulating films alternately stacked in a first direction; a semiconductor pillar piercing the multilayer structure in the first direction; a memory layer provided between the semiconductor pillar and the electrode films; a inner insulating film provided between the memory layer and the semiconductor pillar; a outer insulating film provided between the memory layer and the electrode films; and a wiring electrically connected to the first semiconductor pillar. In erasing operation, the control unit sets the first wiring at a first potential and sets the electrode film at a second potential lower than the first potential, and then sets the first wiring at a third potential and sets the electrode film at a fourth potential higher than the third potential.
摘要:
A semiconductor memory device provided with a cell array section and a peripheral circuit section, the device includes: a back gate electrode; a stacked body provided on the back gate electrode; a plurality of semiconductor pillars extending in a stacking direction; connection members, each of the connection members connecting one of the semiconductor pillars to another one of the semiconductor pillars; a back-gate electrode contact applying a potential to the back gate electrode; a gate electrode provided in the peripheral circuit section; and a gate electrode contact applying a potential to the gate electrode, the back gate electrode and the gate electrode respectively including: a lower semiconductor layer; a conductive layer provided on the lower semiconductor layer; and an upper semiconductor layer provided on the conductive layer, the connection members being provided in or on the upper semiconductor layer, the back-gate electrode contact and the gate electrode contact being in contact with the conductive layer.
摘要:
A nonvolatile semiconductor memory device, includes: a stacked structural unit including a plurality of stacked component units stacked in a first direction, each of the stacked component units including a first conducting film made of a semiconductor of a first conductivity type provided perpendicular to the first direction and a first insulating film stacked in the first direction with the first conducting film; a semiconductor pillar piercing the stacked structural unit in the first direction and including a conducting region of a second conductivity type, the semiconductor pillar including a first region opposing each of the first conducting films, and a second region provided between the first regions with respect to the first direction, the second region having a resistance different from a resistance of the first region; and a second insulating film provided between the semiconductor pillar and the first conducting film.
摘要:
A nonvolatile semiconductor memory device, includes: a stacked structural unit including a plurality of insulating films alternately stacked with a plurality of electrode films in a first direction; a selection gate electrode stacked on the stacked structural unit in the first direction; an insulating layer stacked on the selection gate electrode in the first direction; a first semiconductor pillar piercing the stacked structural unit, the selection gate electrode, and the insulating layer in the first direction, a first cross section of the first semiconductor pillar having an annular configuration, the first cross section being cut in a plane orthogonal to the first direction; a first core unit buried in an inner side of the first semiconductor pillar, the first core unit being recessed from an upper face of the insulating layer; and a first conducting layer of the first semiconductor pillar provided on the first core unit to contact the first core unit.