Patent application number | Description | Published |
20080238384 | Current source circuit and method of outputting current - A current source circuit includes a voltage output section which outputs a voltage signal; a current source section and a conversion section. The current source section has at least one current source block comprising a plurality of current sources, each of which outputs an output current. The conversion section is provided between the voltage output section and the current source section and outputs a reference current to the plurality of current sources of the at least one current source block based on the voltage signal such that the output current from each of the plurality of current sources is set based on the reference current. | 10-02-2008 |
20090002973 | Mount Board and Electronic Device - An object of the present invention is to allow stress that may be applied to a semiconductor package to be suppressed, when the semiconductor package is mounted on a curved board. In a mount board | 01-01-2009 |
20090107703 | WIRING BOARD, PACKAGING BOARD AND ELECTRONIC DEVICE - To restrain the stress concentration at the connecting portion of the electronic component and the curved board and the area around the connecting portion even when the electronic component is mounted on the curved board. A flexible wiring board in which a plurality of insulation layers ( | 04-30-2009 |
20110001222 | ELECTRONIC DEVICE, LAYERED SUBSTRATE, AND METHODS OF MANUFACTURING SAME - An electronic device comprises an electronic element package and a mounting substrate on which the electronic element package is mounted. The electronic element package has an LGA electrode. The mounting substrate has a through-hole having a conductor which covers an inner wall. The LGA electrode has an area larger than an opening area of the through-hole on a side facing the LGA electrode. The electronic element package is mounted on the mounting substrate so that at least a part of the opening of the through-hole overlaps with the LGA electrode. The LGA electrode and the conductor of the through-hole are electrically connected to a conductive material provided inside the through-hole. In the LGA electrode, at least a part of the region that does not overlap with the opening of the through-hole is joined to the mounting substrate by an adhesive. | 01-06-2011 |
20110242780 | MOUNT BOARD AND ELECTRONIC DEVICE - An object of the present invention is to allow stress that may be applied to a semiconductor package to be suppressed, when the semiconductor package is mounted on a curved board. In a mount board | 10-06-2011 |
20120212471 | DRIVING CIRCUIT AND VOLTAGE GENERATING CIRCUIT AND DISPLAY UNIT USING THE SAME - To provide a liquid crystal display capable of implementing a symmetrical frame and a narrower frame without lowering drive capability of a common drive circuit. | 08-23-2012 |
20140003015 | MOUNT BOARD AND ELECTRONIC DEVICE | 01-02-2014 |
Patent application number | Description | Published |
20100296342 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - When bit lines or sense amplifiers are checked whether they are defective during a test performed to check whether the bit lines are defectively open, an electrical current supplied from one sense amplifier is detected by another sense amplifier. Thus, if plural bit lines are defectively open, they can be detected simultaneously. Consequently, the test time can be shortened greatly. | 11-25-2010 |
20100309733 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device is provided, which includes an input buffer provided with a first inverter that can electrically adjust circuit threshold values, a circuit: threshold value monitor provided with a second inverter having the same circuit configuration as the first inverter to detect the circuit threshold values of the first inverter when the input and output of the second inverter are short-circuited, respectively, a memory storing parameter values that correspond to the circuit threshold values detected by the circuit threshold value monitor, and a data-reader circuit reading the parameter values given to the first inverter from the memory. | 12-09-2010 |
20140003154 | SEMICONDUCTOR MEMORY DEVICE | 01-02-2014 |
20140286093 | SEMICONDUCTOR MEMORY DEVICE - According to one embodiment, a semiconductor memory device includes a NAND string and a sense amplifier. The NAND string includes a memory cell transistor to be capable of holding any of three or more levels of values. The NAND string includes one end connected to a bit line and the other end connected to a source line. The sense amplifier connects the bit line. A first voltage is applied to the source line when a first read voltage is applied to a selected word line connected to a selected memory cell transistor. A second voltage is applied to the source line when a second read voltage is applied to the selected word line. The first voltage is higher than the second voltage. The first read voltage is the lowest voltage of a plurality of read voltage. The second read voltage is higher than the first read voltage. | 09-25-2014 |
Patent application number | Description | Published |
20090011349 | Photoreceptor for Electrophotography - An object of the invention is to provide a photoreceptor for electrophotography which has a low residual potential in an initial stage, is inhibited from increasing in residual potential, is prevented from decreasing in charge potential, undergoes little fatigue deterioration even upon repeated use, and is less apt to pose a problem concerning toxicity or environmental pollution. The invention relates to a photoreceptor for electrophotography which has a photosensitive layer containing an aromatic hydroxycarboxylic acid metal complex represented by the following general formula (1): | 01-08-2009 |
20090053633 | P-TERPHENYL COMPOUND MIXTURE AND ELECTROPHOTOGRAPHIC PHOTORECEPTORS MADE BY USING THE SAME - An object of the invention is to provide: a p-terphenyl compound mixture useful as a charge-transporting agent which has improved solubility in organic solvents to thereby diminish a cracking phenomenon, which poses problems concerning photoreceptor characteristics, and can realize an electrophotographic photoreceptor having high sensitivity and high durability; and an electrophotographic photoreceptor employing the compound mixture. The invention relates to: a p-terphenyl compound mixture which includes two symmetric p-terphenyl compounds respectively represented by the following general formula (1) and general formula (2) and an asymmetric p-terphenyl compound represented by the following general formula (3) which has both a group of substituents of the compound represented by general formula (1) and a group of substituents of the compound represented by general formula (2); and an electrophotographic photoreceptor containing the compound mixture. | 02-26-2009 |
20090104552 | PHOTORECEPTOR FOR ELECTROPHOTOGRAPHY - An object of the present invention is to provide an electrophotographic photoreceptor which is not impaired in electrophotographic properties such as charge potential and residual potential and which is also excellent in repetition stability. The invention relates to an electrophotographic photoreceptor including a conductive support having thereon a photosensitive layer containing a zirconium compound represented by the following general formula (1): | 04-23-2009 |
20100015542 | P-TERPHENYL COMPOUND AND PHOTOSENSITIVE BODY FOR ELECTROPHOTOGRAPHY USING SUCH COMPOUND - The present invention provides p-terphenyl compounds represented by the following general formula (1) and (2): | 01-21-2010 |
20100104964 | PHOTORECEPTOR FOR ELECTROPHOTOGRAPHY - An object of the invention is to provide a photoreceptor for electrophotography which has a low residual potential in an initial stage, is inhibited from increasing in residual potential, is prevented from decreasing in charge potential, and undergoes little fatigue deterioration even upon repeated use. The invention relates to a photoreceptor for electrophotography which has a photosensitive layer containing a cyclic phenol sulfide represented by the following general formula (1): | 04-29-2010 |
20100291480 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE BODY - An object of the present invention is to provide an electrophotographic photosensitive body having improved electrophotographic characteristics such as sensitivity and residual potential and also having excellent durability. The present invention provides an electrophotographic photosensitive body having a layer containing at least one specific p-terphenyl compound and at least one polycarbonate resin represented by the general formula (I): | 11-18-2010 |
20120208117 | DIPHENYLNAPHTHYLAMINE DERIVATIVES - [Problems] To provide a novel compound which has a high carrier mobility and is useful as a charge-transporting agent that is not only capable of stably forming a photosensitive layer without precipitating crystals or forming pinholes at the time of forming the photosensitive layer but is also capable of forming an organic photosensitive material for electrophotography that has a high sensitivity and a low residual potential. | 08-16-2012 |
20130071780 | TRIPHENYLAMINE DERIVATIVES - [Problems] To provide a novel compound useful as an electric charge transporting agent having a high carrier mobility, and making it possible not only to stably form a photosensitive layer without precipitating crystals or developing pinholes when the photosensitive layer is being formed but also to prepare an organic photosensitive material for electrophotography featuring a high sensitivity and a low residual potential. | 03-21-2013 |
20130266343 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE BODY - An object of the present invention is to provide an electrophotographic photosensitive body having improved electrophotographic characteristics such as sensitivity and residual potential and also having excellent durability. The present invention provides an electrophotographic photosensitive body having a layer containing at least one specific p-terphenyl compound and at least one polycarbonate resin represented by the general formula (I): | 10-10-2013 |
20130280652 | P-TERPHENYL COMPOUND MIXTURE AND ELECTROPHOTOGRAPHIC PHOTORECEPTORS MADE BY USING THE SAME - An object of the invention is to provide a method of making a p-terphenyl compound mixture which includes two symmetric p-terphenyl compounds respectively represented by formula (1) and formula (2) and an asymmetric p-terphenyl compound represented by formula (3) | 10-24-2013 |
Patent application number | Description | Published |
20090283972 | BONDED PISTON SEAL - A bonded piston ring, which comprises a metal ring, and a rubbery elastomer seal as vulcanization-bonded thereto except the sliding site along which a mating seal member slides, where the rubbery elastomer seal in partially bonded to the metal ring through an adhesive layer, wherein the adhesive layers comprise (a) an underlayer adhesive layer comprising a phenol resin and an epoxy resin, and (b) an overlayer adhesive layer comprising a phenol resin, a halogenated polymer, and a metal oxide. Not only the distinguished initial adhesiveness, but also the distinguished water-resistance can be obtained by providing (a) the underlayer adhesive layer of the afore-mentioned components and (b) the overlayer adhesive layer of the afore-mentioned components. | 11-19-2009 |
20090311543 | Acrylic Rubber-Metal Composite - An acrylic rubber-metal composite, which comprises a metal, (a) an undercoat adhesive layer comprising phenol resin and epoxy resin, (b) an overcoat adhesive layer comprising phenol resin, halogenated polymer, and a metal oxide, and (c) an acrylic rubber layer, the layers (a), (b) and (c) being successively laid on the surface of the metal, having not only a distinguished initial adhesiveness, but also a good water resistance, where the acrylic rubber is bonded to the metal without surface treatment of the metal such as a chemical treatment, e.g. zinc phosphate treatment, etc., a blast treatment, or a primer treatment. | 12-17-2009 |
20100261019 | Primer Composition and Metal-Rubber Laminate Using the Same - A primer composition for use as a primer in the production of metal/primer/adhesive/rubber laminates, which comprises 100 parts by weight of polyparavinylphenol and 50-300 parts by weight of an organometallic compound can give distinguished water resistance and acid resistance, when used for vulcanization bonding of a plated steel sheet and unvulcanized rubber or for simple bonding of a plated steel sheet and vulcanized rubber, and metal-rubber laminates produced by using the primer composition can be effectively used as rubber-metal integrated type gaskets, particularly fuel cell gaskets, HDD cover gaskets (metallic separator-integrated type gaskets), etc. | 10-14-2010 |
20100285273 | ACRYLIC RUBBER-METAL COMPOSITE - An acrylic rubber-metal composite, which comprises an iron phosphate treated iron-based metal, and an adhesive layer comprising a phenol resin and a metal oxide, and preferably further a halogenated polymer, and an acrylic rubber layer, successively provided on the iron-based metal surface, has not only distinguished initial adhesiveness and water resistance, when the acrylic rubber is bonded to the metal owing to application of the iron phosphate treatment to the metal surface, but also can reduce the abrasion of the mating materials when brought into contact with rubber-unbaked parts of the sheet, because the surface roughness Ra[according to JIS 0601(1994)] of the surface treated steel sheet is 0.6 or less. | 11-11-2010 |
20110111219 | Vulcanizable Adhesive Composition - A vulcanizable adhesive composition, which comprises 45-75% by weight of phenol resin, preferably a mixture of novolak-type and resol-type phenol resins, 5-25% by weight of halogenated polymer, and 10-30% by weight of a metal oxide, can improve an interlayer adhesiveness between the acrylic rubber and metal without surface treatment of metal, such as a chemical treatment, e.g. zinc phosphate treatment, etc., blast treatment, or primer treatment, and thus can be effectively used in the production of a metal/adhesive layer/acrylic rubber composite. | 05-12-2011 |
Patent application number | Description | Published |
20080211469 | STEP-DOWN CIRCUIT - A step-down circuit generates a second power supply lower than a first power supply. The step-down circuit includes an output terminal connected to a load circuit, an output transistor connected between the first power supply and the output terminal, and having a gate terminal connected to a first node, a monitor transistor connected between the first power supply and a second node, and having a gate terminal connected to the first node, and a feedback circuit which sets a gate voltage of the output transistor in accordance with a difference between a voltage obtained by dividing a voltage of the second node and a reference voltage. A size of the monitor transistor is changed in accordance with an operation mode of the load circuit. | 09-04-2008 |
20080285324 | SEMICONDUCTOR MEMORY DEVICE - Shunt regions are formed at certain intervals in a memory cell array region as extending in a second direction. The shunt regions each include a contact formed to connect a word line or a signal line wired in the same direction to another metal wire. Extension regions are each formed of an extension of the shunt region in the data cache array region. Data input/output lines extend in a first direction and transfer data on bit lines simultaneously via a data cache array. Sense circuits are arranged around the data cache array and connected to the data input/output lines respectively. The data input/output lines are divided at a certain interval in the first direction. The divided portions are connected to respective leads formed in the extension region in the longitudinal direction thereof and connected to the sense circuits via the leads. | 11-20-2008 |
20100188913 | SEMICONDUCTOR MEMORY DEVICE HAVING SENSE AMPLIFIER - A semiconductor memory device includes a memory cell array, a page buffer, a data line pair, a differential amplifier and a precharger. The memory cell array includes a plurality of pages in which a plurality of memory cells are arranged. The page buffer is formed adjacent to the memory cell array, and includes a plurality of sense amplifiers configured to temporarily hold page data read from the memory cells in the page. The data line pair is arranged in the page buffer and is connected to the sense amplifiers. The differential amplifier is configured to amplify a potential difference between lines of the data line pair. The precharger is configured to precharge the data line pair to a predetermined potential. At least one of the differential amplifier and the precharger is formed in the page buffer, and the at least one circuit is electrically connected to the data line pair. | 07-29-2010 |
20110205806 | SEMICONDUCTOR MEMORY DEVICE - According to one embodiment, a semiconductor memory device includes memory cells, holding circuits, and a logical gate chain. The memory cells are associated with columns. The holding circuits are associated with the columns and capable of holding first information indicating whether associated one of the columns is a verify-failed column or not. The logical gate chain includes a plurality of first logical gates associated with the columns and connected in series. Each of the first logical gates outputs a logical level to a next-stage first logical gate in a series connection. The logical level indicates whether the verify-failed column exists or not based on the first information in associated one of the holding circuit. The content indicated by the logical level output from each of the first logical gates is inverted using one of the first logical gates associated with the verify-failed column as a border. | 08-25-2011 |
20110305089 | THRESHOLD DETECTING METHOD AND VERIFY METHOD OF MEMORY CELLS - According to one embodiment, a threshold detecting method for detecting threshold values of nonvolatile semiconductor memory cells comprises applying a preset voltage to a word line connected to the memory cells, and performing bit-line sense at two different timings during discharging of one of a bit line connected to the memory cells and a node corresponding to the bit line, while a potential of the word line is kept constant. | 12-15-2011 |
20120250424 | SEMICONDUCTOR MEMORY DEVICE - A sense amplifier circuit is connected to a bit-line and senses and amplifies a signal read from a memory cell. A first data latch is connected to a sense amplifier via a first bus. A second data latch is connected to a second bus. A plurality of circuit groups are repeatedly provided in a first direction, each circuit group comprising one sense amplifier circuit and one first data latch. The second data latch is provided between the circuit groups and an input/output buffer. | 10-04-2012 |
20120250425 | SEMICONDUCTOR MEMORY AND SEMICONDUCTOR MEMORY CONTROL METHOD - According to one embodiment, the semiconductor memory includes a memory cell array which includes memory cells to store data, a buffer circuit which includes latches, each of the latches including transistors as control elements and a flip-flop, and a control circuit which turns off the transistors to deactivate one or more of the latches. | 10-04-2012 |
20130214854 | SEMICONDUCTOR DEVICE AND METHOD OF DRIVING THE SAME - Provided is a semiconductor device, including an electrode, a first insulator, a first semiconductor having a bandgap of 2 eV or greater, a second insulator, and a second semiconductor, which are stacked on one another, and at least further including one or more electrodes in contact with the first semiconductor and two or more electrodes in contact with the second semiconductor. | 08-22-2013 |