摘要:
According to an aspect of the present invention, there is provided a non-volatile semiconductor memory device, including a ferroelectric capacitor being stacked a first electrode, a ferroelectric film and a second electrode in order, a first protective film with hydrogen barrier performance, the first protective film being formed under the first electrode and on a side-wall of the ferroelectric capacitor, the first protective film being widened from the second electrode towards the first electrode, a second protective film with hydrogen barrier performance, the second protective film being formed over the second electrode and on the first protective film formed on the side-wall of the ferroelectric capacitor, the second protective film being widened from the first electrode towards the second electrode, a cell transistor, a source of the cell transistor being connected to the first electrode, a drain of the cell transistor being connected to a bit line and a gate being connected to a word line.
摘要:
A semiconductor device comprising a semiconductor substrate and memory cells. Each memory cell comprises a switching transistor and a ferroelectric capacitor, both formed on the substrate. The ferroelectric capacitor includes a lower electrode, an upper electrode and a ferroelectric film held between the lower and upper electrodes. A first wire formed from a deposited wire-material film is connected to the upper electrode of the ferroelectric capacitor. A second wire formed by damascene process is provided on the first wire.
摘要:
A semiconductor memory device including a memory cell block having a plurality of memory transistors formed on a semiconductor substrate. The memory transistors include first and second impurity-diffused regions and a gate formed therebetween. A plurality of memory cells are also included in the memory cell block and have lower electrodes connected to the first impurity-diffused regions, ferroelectric films formed on the lower electrodes and first upper electrodes formed on the ferroelectric films and connected to the second impurity-diffused regions. Further included are block selecting transistors formed on the semiconductor substrate and being connected to one end of the memory cell block. Second upper electrodes are also formed adjoined to the block selecting transistors and being disconnected from the first upper electrode of the memory cells.
摘要:
A plurality of bit line contacts provided on one bit line BL are arranged on every other one of spaces each provided between every adjacent two of word lines WL and a plurality of bit line contacts provided on an adjacent bit line BL are arranged on every other one of spaces each provided between every adjacent two of word lines WL which is different from the space in which a corresponding one of the bit line contacts formed on the former bit line is arranged.
摘要:
A semiconductor memory device comprises a semiconductor substrate, a plurality of memory cells including a plurality of MOS transistors, each having a source, a drain and a gate, and a plurality of capacitors formed on the semiconductor substrate in a matrix manner, an interlayer insulating film formed on the memory cells and having a plurality of openings selectively formed, a plurality of plug electrodes formed in the openings of the interlayer insulating film, a plurality of bit lines, each bit line being connected to one of the source and the drain of each of the MOS transistors through a corresponding one of the plug electrodes, and a plurality word lines, each word line being the gate of each of the MOS transistors. The capacitors each comprise a storage node electrode having a cylindrical portion layered on another one of the source and the drain of each of the MOS transistors, a capacitor dielectric film formed on the storage node electrode, and a plate electrode formed to be opposed to at least the storage node electrode interposing the capacitor dielectric film therebetween. The bit lines are formed on the interlayer insulating film and connected to the upper surface of the plug electrode. The plug electrode has a pad electrode comprised of a lower side conductive member formed with a same layer as the storage node electrode and a cylindrical side wall conductive member, and an upper side conductive member formed on the pad electrode.
摘要:
The invention provides a method of forming a coating film by forming in sequence a pigmented base coat and a clear top coat on a substrate followed by finishing by the two-coat one-bake technique, the method being characterized by using, as a coating composition for pigmented base coat formation, a composition comprising, as essential components thereof,(1) an OH-containing resin,(2) an amino resin,(3) a polyorganosiloxane which has, on an average, at least two groups, per molecule, each selected from the class consisting of a silanol group and an alkoxysilane group and has a number average molecular weight of at least 1,000,(4) a metal chelate compound(5) a flaky metal powder and/or a mica powder, and(6) an organic solvent,and using, as a coating composition for clear top coat formation, a composition comprising, as essential components thereof,(1) an OH- and epoxy-containing base resin which further contains at least one group selected from the group consisting of a silanol group and a hydrolyzable group bound directly to a silicon atom,(2) a curing catalyst, and(3) an organic solvent.
摘要:
A system for controlling an unmanned vehicle by detection of a guide line based on a picture image picked up by a camera on the vehicle, including a parameter (.rho., .theta.) deriving unit for deriving parameters (.rho., .theta.) of point extracted from a picture image picked up by a camera, and a maximum density parameter detection unit for integrating the densities of parameters derived by the parameter deriving unit and determining the maximum density parameter from the integrated densities of the parameters. The maximum density parameter is determined from the parameter derived by the parameter deriving unit, for the parameter area having at the center thereof the parameter estimated from the maximum density parameter, and the detected maximum density parameter is decided as the parameter of said guide line. The determination of steered amount by a fuzzy inference can be used.
摘要:
An image processing system mainly used in an image verification system for detecting and correcting distortion of an input image includes the following devices; an image memory for storing a digitized image before, during, and after correction, a working memory for temporarily storing intermediate data of the image on correction, density level extension devices for extending the density level or gradation of the image by repeatedly reading out the contents of the image memory and the working memory by using a matrix window containing picture elements of the image, a density slope detection device for detecting the extended density level and calculating a density slope or gradient by using the matrix window, and a correction device for correcting density distribution and line width of the image based on the extended density level and the calculated density slope.
摘要:
In one embodiment, a nonvolatile semiconductor memory includes a memory cell array, a first silicon nitride film and a second silicon nitride film. The memory cell array includes NAND cell units. Each of the NAND cell units has memory cell transistors, a source-side select gate transistor and a drain-side select gate transistor. The source-side select gate transistors is disposed in such a manner as to face each other and the drain-side select gate transistors is disposed in such a manner as to face each other. The first silicon nitride film is present in a region between the source-side select gate transistors and is disposed at a position lowest from the upper surface of the semiconductor substrate. The second silicon nitride film is formed in a region between the drain-side select gate transistors and is disposed at a position lowest from the upper surface of the semiconductor substrate.
摘要:
According to a method for manufacturing a semiconductor memory device of the present invention, a capacitor lower electrode film is left on the wiring layer located above a dummy transistor. In this manner, when processing of the capacitors is performed by removing a capacitor upper electrode film and a ferroelectric film, removal of the wiring layer can be prevented, and the connection between the diffusion layer of a select transistor and a bit line can be secured.