摘要:
The semiconductor device comprises a device isolation region formed in a semiconductor substrate, a lower electrode formed in a device region defined by the device isolation region and formed of an impurity diffused layer, a dielectric film of a thermal oxide film formed on the lower electrode, an upper electrode formed on the dielectric film, an insulation layer formed on the semiconductor substrate, covering the upper electrode, a first conductor plug buried in a first contact hole formed down to the lower electrode, and a second conductor plug buried in a second contact hole formed down to the upper electrode, the upper electrode being not formed in the device isolation region. The upper electrode is not formed in the device isolation region, whereby the short-circuit between the upper electrode and the lower electrode in the cavity can be prevented.
摘要:
A SRAM includes a first CMOS inverter of first and second MOS transistors connected in series, a second CMOS inverter of third and fourth MOS transistors connected in series and forming a flip-flop circuit together with the first CMOS inverter, and a polysilicon resistance element formed on a device isolation region, each of the first and third MOS transistors is formed in a device region of a first conductivity type and includes a second conductivity type drain region at an outer side of a sidewall insulation film of the gate electrode with a larger depth than a drain extension region thereof, wherein a source region is formed deeper than a drain extension region, the polysilicon gate electrode has a film thickness identical to a film thickness of the polysilicon resistance element, the source region and the polysilicon resistance element are doped with the same dopant element.
摘要:
An image forming apparatus and process cartridge that achieves extended operating life of a two-component developer without generating such problems as toner scattering, etc. either in the initial period or over time. The gap between the image support member and the developer support member is set to 0.3±0.1 mm. A substance having a resin cover layer on the surface of a core material is used as the carrier. The resin cover layer provides a conductive covering layer comprising a tin dioxide layer on the surface of base particles and an indium oxide layer, and comprises conductive particles formed such that the oil adsorption is 10 to 300 mL/100 g. A substance that provides a bonding resin comprising a hybrid resin having vinyl polymers and polyester polymers is used as the toner. The amount of hybrid resin contained in relation to the amount of releasing agent is set to the range of 0.5 to 3.
摘要:
The semiconductor device comprises a device isolation region 14 formed in a semiconductor substrate 10, a lower electrode 16 formed in a device region 12 defined by the device isolation region and formed of an impurity diffused layer, a dielectric film 18 of a thermal oxide film formed on the lower electrode, an upper electrode 20 formed on the dielectric film, an insulation layer 26 formed on the semiconductor substrate, covering he upper electrode, a first conductor plug 30a buried in a first contact hole 28a formed down to the lower electrode, and a second conductor plug 30b buried in a second contact hole 28b formed down to the upper electrode, the upper electrode being not formed in the device isolation region. The upper electrode 20 is not formed in the device isolation region 14, whereby the short-circuit between the upper electrode 20 and the lower electrode 16 in the cavity can be prevented. Thus, a capacitor of high reliability can be provided.
摘要:
A semiconductor device having: a semiconductor substrate having first and second regions defined in a principal surface of the semiconductor substrate; a first underlying film formed in the second region; a first lamination structure formed in a partial area of the first region, the first lamination structure having a conductive film and an insulating film stacked in this order from the substrate side; and a second lamination structure formed on the first underlying film and having a conductive film and an insulating film stacked in this order from the substrate side, wherein the insulating films of the first and second lamination structures are made of the same material and the height of the upper surface of the second lamination structure as measured from the principal surface of the semiconductor substrate is equal to or lower than the height of the upper surface of the first lamination structure as measured from the principal surface of the semiconductor substrate. Plug electrodes of a SAC structure are prevented from being electrically shorted when a plurality of elements having different heights are formed on the same substrate.
摘要:
A semiconductor device having: a semiconductor substrate having first and second regions defined in a principal surface of the semiconductor substrate; a first underlying film formed in the second region; a first lamination structure formed in a partial area of the first region, the first lamination structure having a conductive film and an insulating film stacked in this order from the substrate side; and a second lamination structure formed on the first underlying film and having a conductive film and an insulating film stacked in this order from the substrate side, wherein the insulating films of the first and second lamination structures are made of the same material and the height of the upper surface of the second lamination structure as measured from the principal surface of the semiconductor substrate is equal to or lower than the height of the upper surface of the first lamination structure as measured from the principal surface of the semiconductor substrate. Plug electrodes of a SAC structure are prevented from being electrically shorted when a plurality of elements having different heights are formed on the same substrate.
摘要:
A decoding apparatus comprises: decoding means which receives a first code sequence of a hierarchical structure as an input, decodes a code sequence of a selected first layer and higher layers in the first code sequence, outputs a detection signal when an error is detected while the code sequence is being decoded, and detects a second code sequence indicating the start of the first layer and higher layers in a set code sequence parsing position of the first sequence; and means for setting a code sequence parsing position which receives the detection signal and sets the parsing position of the code sequence in such a way that code sequence parsing performed by the decoding means is returned from a point at which code sequence parsing is being performed to a point at which code sequence parsing has been performed in the first code sequence.
摘要:
A steam injector includes a casing having water supply port and a steam intake port, the casing being generally composed of two halves fastened integrally, a water nozzle and a steam nozzle both disposed in the casing and communicated with the water supply port and the steam intake port, respectively, a steam-water mixing nozzle disposed on the downstream side in the casing and a diffuser disposed further downstream side in the casing. The steam injector further includes a guide member such as guide vane or spacer ring for guiding the steam to the steam-water mixing nozzle. The steam injector may includes a needle valve disposed in a steam jetting nozzle, disposed axially in the central portion of the casing, which is provided with a heat transfer preventing structure such as hollow wall structure provided on the outer peripheral surface of the steam jetting nozzle. The water nozzle may be composed of a wear resisting material and the wear resisting material may be provided on the surfaces of the steam jetting nozzle and the diffuser.
摘要:
A mass spectrometer using a plasma ion source for analyzing an ultra-trace element includes a plasma generation system for generating a plasma including the composition of a sample, an ion beam formation system for extracting ions in the form of a beam from the plasma generating the ions, a mass spectrometry system for performing mass spectrometry of the ion beamn, and an ion detection system for detecting the ions subjected to the mass spectrometry, in which a lens system made up of a cylindrical first electrode, a cylindrical second electrode with a photon stopper disposed on the central axis thereof, and a cylindrical third electrode is further provided between the ion beam formation system and the mass spectrometry system. By the provision of the lens system, the ions generated in the plasma are transported more efficiently to the side of the mass spectrometry system and by the provision of the photon stopper in the above described position, it is achieved, with a simpler structure, to prevent photons from entering the ion detection system.
摘要:
A microwave induced plasma source includes a coaxial waveguide made up of a cylindrical outer conductor and an inner conductor which has the form of a helical coil, a discharge tube inserted into the helical coil in the axial direction thereof, and having an inner tube for introducing a sample and an outer tube for introducing a plasma gas so that a double tube structure is formed, a discharge-tube cooling device for causing a cooling gas to flow along the outer periphery of the discharge tube in directions parallel to the axis thereof, and a microwave power source for supplying microwave power to the coaxial waveguide. When the microwave induced plasma source is used as the light source of a spectrometer or the ion source of a mass spectrometer, a trace element can be readily determined qualitatively or quantitatively.