Patent application number | Description | Published |
20080218195 | POWER SUPPLY NOISE MEASURING CIRCUIT AND POWER SUPPLY NOISE MEASURING METHOD - A power supply noise measuring circuit and measuring method are provided which are capable of evaluating a frequency component of power supply noise that affects performance and functions in a circuit by using a cross-correlation function. The power supply noise measuring circuit includes a SIN wave generating circuit which generates a sine wave signal having a variable frequency in a constant amplitude, a cross-correlation processing circuit which calculates and output a cross-correlation function between power supply noise and a sine wave signal fed from the SIN wave generating circuit, a comparator which compares a cross-correlation function output with a specified threshold voltage and which generates an output when the cross-correlation function output exceeds the threshold voltage, and a counter which counts the number of occurrences of the output from the comparator within a specified time of period. | 09-11-2008 |
20090167360 | Apparatus, circuit and method of monitoring performance - An apparatus includes a first sequential circuit which captures an input signal according to a first clock signal, a second sequential circuit which captures the input signal according to a second clock signal and outputs the captured input signal to a logic circuit, the second clock signal being modulated so that a period of the second clock signal is shorter than that of the first clock signal, a third sequential circuit which captures an output signal of the logic circuit according to the second clock signal, and a verification circuit which verifies whether an output signal of the first sequential circuit and an output signal of the third sequential circuit match with each other. | 07-02-2009 |
20090201011 | Apparatus, circuit and method of monitoring circuit characteristic - An apparatus includes a current source, a current monitor circuit which monitors a current amount of the current source, and outputs a current amount signal corresponding to the current amount being monitored, a counter circuit which counts a count value based on the current amount signal, the count value corresponding to a period being taken until when the current amount reaches a predetermined value, and a control circuit which modifies an operation parameter for operating a circuit unit according to the count value. | 08-13-2009 |
20100142587 | TEMPERATURE MEASUREMENT CIRCUIT - A temperature measurement circuit includes a diode including a pair of terminals between which a constant voltage is applied and passing therethrough a current that changes depending on a temperature; and a temperature detection section that detects the temperature based on the current passing through the diode. The temperature measurement circuit measures the temperature with a higher accuracy. | 06-10-2010 |
20100272149 | TEMPERATURE MEASURING DEVICE AND METHOD - Current reading means detects an output current of a current source whose output current varies with a variation in temperature and outputs a value proportional to the output current. The temperature of the current source corresponding to the output value of the current reading means which is proportional to the output current of the current source is measured, and a parameter for converting the output value to temperature information is determined from the output value of the current reading means and the measured value of the temperature of the current source corresponding to the output value. The output value of the current reading means is converted to the temperature information using the determined parameter. | 10-28-2010 |
20110025346 | POWER SUPPLY NOISE MEASURING CIRCUIT AND POWER SUPPLY NOISE MEASURING METHOD - A power-supply noise measuring circuit includes a voltage fluctuation detecting circuit, a unit time generating circuit: a current measuring circuit, and a sampling circuit. The voltage fluctuation detecting circuit generates a detection current in accordance with a voltage fluctuation of a power supply. The unit time generating circuit generates a unit time in accordance with a clock signal. The current measuring circuit treasures an amount of the detection current per unit time. The sampling circuit samples the amount of the detection current measured by the current measuring circuit, every unit time. The present invention provides the power-supply noise measuring circuit that has a small circuit area and enough accuracy. | 02-03-2011 |
Patent application number | Description | Published |
20090301518 | Substrate Processing Apparatus and Substrate Processing Method - A substrate processing apparatus includes: a polishing device | 12-10-2009 |
20110289795 | SUBSTRATE DRYING APPARATUS, SUBSTRATE DRYING METHOD AND CONTROL PROGRAM - A substrate drying apparatus includes a drying gas nozzle configured so that, assuming that a surface WA of the substrate W is a projection plane, regarding the drying gas flow Gf in the nozzle moving direction Dr, a collision position Gfw with the substrate W is located downstream of a projected discharge position Gfv′, the projected discharge position Gfv′ being a discharge position from the drying gas nozzle projected on the projection plane. In a three-dimensional space, the drying gas flow Gf is inclined, such that an angle α formed by an axis Ga of the drying gas flow Gf and a vertical line Wp of the substrate W is in a range from a half contact angle θ/2 to an angle determined by deducting the half contact angle θ/2 from 90°, the half contact angle θ/2 being a half of the contact angle θ. | 12-01-2011 |
20120160267 | CLEANING METHOD AND CLEANING APPARATUS - A cleaning method according to embodiments of the present invention is a cleaning method of cleaning residues from a semiconductor substrate by rotating a roll brush, the method having cleaning residues from the semiconductor substrate while pressing the roll brush against the semiconductor substrate with a first pressure of 7.35 kPa or lower, and cleaning residues from the semiconductor substrate while pressing the roll brush against the semiconductor substrate with a second pressure higher than 7.35 kPa. | 06-28-2012 |
20130219740 | SUBSTRATE DRYING APPARATUS, SUBSTRATE DRYING METHOD AND CONTROL PROGRAM - A substrate drying apparatus includes a drying gas nozzle configured so that, assuming that a surface WA of the substrate W is a projection plane, regarding the drying gas flow Gf in the nozzle moving direction Dr, a collision position Gfw with the substrate W is located downstream of a projected discharge position Gfv′, the projected discharge position Gfv′ being a discharge position from the drying gas nozzle projected on the projection plane. In a three-dimensional space, the drying gas flow Gf is inclined, such that an angle α formed by an axis Ga of the drying gas flow Gf and a vertical line Wp of the substrate W is in a range from a half contact angle θ/2 to an angle determined by deducting the half contact angle θ/2 from 90°, the half contact angle θ/2 being a half of the contact angle θ. | 08-29-2013 |
20140259728 | SUBSTRATE DRYING APPARATUS, SUBSTRATE DRYING METHOD AND CONTROL PROGRAM - A substrate drying apparatus includes a drying gas nozzle configured so that, assuming that a surface WA of the substrate W is a projection plane, regarding the drying gas flow Gf in the nozzle moving direction Dr, a collision position Gfw with the substrate W is located downstream of a projected discharge position Gfv′, the projected discharge position Gfv′ being a discharge position from the drying gas nozzle projected on the projection plane. In a three-dimensional space, the drying gas flow Gf is inclined, such that an angle α formed by an axis Ga of the drying gas flow Gf and a vertical line Wp of the substrate W is in a range from a half contact angle θ/2 to an angle determined by deducting the half contact angle θ/2 from 90°, the half contact angle θ/2 being a half of the contact angle θ. | 09-18-2014 |
Patent application number | Description | Published |
20090243564 | ELECTRIC CURRENT MONITORING DEVICE - An electric current monitoring device is provided to be used in conjunction with a measuring instrument that converts a physical quantity measured thereby to a signal current and outputs the signal current to a two-wire transmission line. The electric current monitoring device includes an electric current detector inserted in the transmission line for measuring an electric current value of the signal current outputted to the transmission line, and a supply voltage generator inserted in the transmission line for outputting a voltage generated due to the flow of the signal current. The electric current detector is driven by the voltage outputted from the supply voltage generator. | 10-01-2009 |
20100071476 | CAPACITIVE ELECTROMAGNETIC FLOWMETER - In a constant current circuit, a constant current is caused to flow through a resistor, thereby causing a constant voltage to occur across the resistor. This constant voltage is then superimposed on an output signal of an operational amplifier that is to be fed back to the drain of a field effect transistor, thereby maintaining the same potential in an AC manner between the output terminal of the operational amplifier and the drain of the field effect transistor. In this way, the gate and drain of the field effect transistor is caused to exhibit the same potential in an AC manner, so that no current will occur through the stray capacitance between the gate and drain of the field effect transistor. As a result, similarly to a case of using a feedback capacitor, the input impedance of the field effect transistor can be raised. | 03-25-2010 |
20120286982 | MODULATOR AND DELTASIGMA-TYPE D/A CONVERTER - The disclosed device easily and precisely satisfies a requested output range, and is provided with: a ΔΣ-modulator ( | 11-15-2012 |
20130108914 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME | 05-02-2013 |
20130119940 | LITHIUM SECONDARY BATTERY AND CONTROL SYSTEM THEREFOR, AND METHOD FOR DETECTING STATE OF LITHIUM SECONDARY BATTERY - There is provided a control system for a lithium secondary battery that can quantitatively sense a deterioration state inherent in a lithium secondary battery using silicon oxide as a negative electrode active material, that is, the nonuniform reaction state of a negative electrode. A control system for a lithium secondary battery including a positive electrode, a negative electrode using silicon oxide as a negative electrode active material, and a lithium reference electrode having a reference potential with respect to the negative electrode includes measurement means for measuring a voltage V of the negative electrode with respect to the lithium reference electrode and a discharge capacity Q of the lithium secondary battery during discharge of the lithium secondary battery; generation means for generating a V-dQ/dV curve representing a relationship between dQ/dV, which is a proportion of an amount of change dQ in the discharge capacity Q to an amount of change dV in the voltage V, and the voltage V; calculation means for calculating an intensity ratio of two peaks appearing on the V-dQ/dV curve for two voltage values in the voltage V; and sensing means for sensing a state of the negative electrode utilizing the intensity ratio. | 05-16-2013 |
20130252106 | NONAQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY, AND POSITIVE ELECTRODE AND NEGATIVE ELECTRODE USED IN THE SAME - Provided is a nonaqueous electrolytic solution secondary battery having a high energy density, and a positive electrode and a negative electrode used therefor. The nonaqueous electrolytic solution secondary battery includes a positive electrode and a negative electrode, wherein: the negative electrode contains a negative electrode active material having an initial charge/discharge efficiency of 75% or less when charged and discharged by employing metallic Li as a ocounter electrode; and the positive electrode contains a metal oxide (X) represented by A | 09-26-2013 |
20140045063 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY CELL, LITHIUM SECONDARY CELL EMPLOYING THE SAME, AND METHOD FOR PRODUCING THE SAME - Provided is a negative electrode active material for a lithium secondary cell, the material having the function of a binder for the active material, and being capable of stable reversible reactions with lithium. Also, provided are an extended-life lithium secondary cell having improved energy density and stable charge/discharge, and a method for producing the same. The negative electrode active material for a lithium secondary cell is polyimide represented by formula (1) (wherein R1 and R2 independently denote an alkyl, alkoxy, acyl, phenyl, or phenoxy group). | 02-13-2014 |
20140045069 | LITHIUM SECONDARY CELL - Provided is a lithium secondary cell in which elution of manganese from a manganese olivine compound into an electrolyte is suppressed, a high level of safety is obtained, the charge/discharge cycle efficiency and suppression of leakage of manganese during storage can be maintained over a long period, a long lifespan is obtained, a rapid decrease in cell voltage near the end of discharge is suppressed, and output characteristics are enhanced, when a manganese olivine compound having excellent stability during charge/discharge is used as the principal component in the positive electrode active material. The positive electrode contains a positive electrode active material containing an olivine compound represented by LiMm | 02-13-2014 |
20140076729 | METHOD FOR DOPING AND DEDOPING LITHIUM INTO AND FROM NEGATIVE ELECTRODE AND METHOD FOR PRODUCING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY - The object of an exemplary embodiment of the invention is to provide a negative electrode having excellent cycle property. An exemplary embodiment of the invention a method for doping and dedoping lithium for the first time after a negative electrode for a lithium secondary battery comprising silicon oxide as an active material is produced, comprising doping the lithium within the following current value range (A) and within the following doped amount range (B); current value range (A): a range of a current value in which a doped amount in which only one peak appears at 1 V or less on the V-dQ/dV curve becomes maximum, wherein the V-dQ/dV curve represents a relationship between voltage V of the negative electrode with respect to a lithium reference electrode and dQ/dV that is a ratio of variation dQ of lithium dedoped amount Q in the negative electrode to variation dV of the voltage V, and doped amount range (B): a range of a doped amount in which only one peak appears at 1 V or less on the V-dQ/dV curve. | 03-20-2014 |
20150037671 | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - It is an object of the exemplary embodiment of the present invention to provide a method for manufacturing a negative electrode for a lithium secondary battery by which conductive metal particles can be uniformly and easily formed in a conductive intermediate layer. The exemplary embodiment of the present invention is a method for manufacturing a negative electrode for a lithium secondary battery comprising a current collector comprising a metal, an active material layer comprising an active material and a binding agent, and a conductive intermediate layer comprising conductive metal particles between the current collector and the active material layer, comprising steps of (1) placing a polyamic acid on the current collector; (2) causing the metal to move from the current collector into the polyamic acid by generating migration phenomenon; and (3) heating and curing the polyamic acid, in this order, wherein the metal that has moved into the polyamic acid forms the conductive metal particles. | 02-05-2015 |
20150072220 | Lithium Secondary Battery and Method for Manufacturing Same - Provided are a lithium secondary battery wherein gas generation associated with charging and discharging can be suppressed even in case where silicon and silicon oxide are contained as negative electrode active materials, and wherein deformation due to the gas generation can be suppressed even in case where a resin film is used as an outer package; and a method for manufacturing the lithium secondary battery. A lithium secondary battery comprises a negative electrode containing a negative electrode active material, a positive electrode containing a positive electrode active material, and an electrolytic solution used to immerse the negative electrode active material and the positive electrode active material, wherein the negative electrode active material contains silicon and silicon oxide that have been subjected to a reduction treatment. | 03-12-2015 |
20150200425 | LITHIUM SECONDARY BATTERY AND CONTROL SYSTEM THEREFOR, AND METHOD FOR DETECTING STATE OF LITHIUM SECONDARY BATTERY - There is provided a control system for a lithium secondary battery that can quantitatively sense a deterioration state inherent in a lithium secondary battery using silicon oxide as a negative electrode active material, that is, the nonuniform reaction state of a negative electrode. A control system for a lithium secondary battery including a positive electrode, a negative electrode using silicon oxide as a negative electrode active material, and a lithium reference electrode having a reference potential with respect to the negative electrode includes measurement means for measuring a voltage V of the negative electrode with respect to the lithium reference electrode and a discharge capacity Q of the lithium secondary battery during discharge of the lithium secondary battery; generation means for generating a V-dQ/dV curve representing a relationship between dQ/dV, which is a proportion of an amount of change dQ in the discharge capacity Q to an amount of change dV in the voltage V, and the voltage V; calculation means for calculating an intensity ratio of two peaks appearing on the V-dQ/dV curve for two voltage values in the voltage V; and sensing means for sensing a state of the negative electrode utilizing the intensity ratio. | 07-16-2015 |