Abstract: An error check and correction circuit includes a Chien search unit. The Chien search unit includes a calculation circuit and a plurality of Chien search circuits. The calculation circuit is configured to calculate a first bit stream by multiplying a value of (n?k) bits by a plurality of elements and a second bit stream by multiplying a value of k bits by the plurality of elements. The plurality of Chien search circuits configured to calculate the element by connecting the first bit stream and the second bit stream, and substitute the calculated element into the error correction search equation.

Abstract: A combustion device for a melting furnace, capable of heating a melting target object and the ceiling portion of the furnace with the radiant heat of the flame, including a combustion space above the location of the melting target object, including a fuel injection nozzle having a plurality of fuel injecting portions, which portions include orifices disposed side by side horizontally relative to the direction of fuel injection, and formed side by side vertically relative to the same. The orifices are formed radially side by side as seen laterally, with a direction along a middle angle in the angular range between the fuel injection direction of the uppermost fuel injection orifice and the fuel injection direction of the lowermost fuel injection orifice being directed obliquely upwards. The fuel injection orifices of the upper fuel injecting portion are formed radially side by side as seen in the plane view.

Abstract: A component mounting method includes: placing a mounting component in contact with, and on top of, an electronic component on a substrate, pressing a spring member against the mounting component using a jig such that the mounting component is pushed against the electronic component by the spring member, and fixing the spring member to the substrate, and removing the jig in a direction heading away from a mounting face of the substrate after the spring member has been fixed to the substrate.

Abstract: A semiconductor memory device includes a first data bus having a first width, and a second data bus which is separate from the first data bus and which has a second width which is different from the first width. The semiconductor memory device further includes a data transfer unit configured for transferring data from memory cells connected to a plurality of bit lines. In a first operational mode, the data transfer unit connects a first number of bit lines from among the plurality of bit lines to the first data bus to transfer the data, the first number being equal to the first width. In a second operational mode, the data transfer unit connects a second number of bit lines from among the plurality of bit lines to the second data bus to transfer the data, the second number being equal to the second width.

Abstract: A semiconductor memory device includes a memory cell array having a plurality of bit lines and a plurality of word lines intersecting each other and a plurality of nonvolatile memory cells; and a page buffer for each bit line including a latch configured to store one of data to be written to a first nonvolatile memory cell selected by each word line and data read from the first nonvolatile memory cell, wherein before reading out data, the page buffer configured to store in a replica capacitor a voltage value of a word line adjacent to the selected word line when a second nonvolatile memory cell is turned on, the replica capacitor including a first capacitor and a second capacitor connected in parallel, and the page buffer is configured to vary when the latch judges the data from the first nonvolatile memory cell according to the voltage value.

Abstract: A data transfer unit includes a first page buffer to latch data of a normal bit line connected to a normal memory cell, a second page buffer to latch data of a parity bit line connected to a parity memory cell, and a third page buffer to be first replaced when the first page buffer is defective or when the second page buffer 102c is defective. An error code correction bus is connected to the first and second page buffers, and a data bus is connected to the first, second and third page buffers.

Abstract: A data transfer unit includes a page buffer to latch data of a normal bit line connected to a normal memory cell, a second page buffer to latch data of a parity bit line connected to a parity memory cell, and a third page buffer that is first replaced when the first page buffer is defective or when the second page buffer is defective. ECC Bus_1 is connected to the first, second, and third page buffers, respectively, and Data Bus_1 is connected to the first and third page buffers and.

Abstract: In a wheel for use in an omni-directional vehicle, gravel and other foreign matters are prevented from being trapped between free rollers forming the wheel, and traveling vibrations and noises are minimized at the same time. The wheel includes an annular member and a plurality of free rollers each rotatably supported by the annular member around a corresponding tangential line of the annular member, and a gap member is placed between each adjacent pair of the free rollers to fill a gap defined between the free rollers.

Abstract: Adverse effects when a carrier is open, such as particles adhesion to the substrate or natural oxidation film deposits on the substrate, as well as a rise in oxygen concentration and contamination of the substrate transfer chamber are prevented. Semiconductor manufacturing apparatus includes a carrier in which a cover unit is provided on a substrate loading/unloading opening for loading and unloading a substrate, a carrier open/close chamber continuously arranged to the carrier, a substrate transfer chamber continuously arranged to the carrier open/close chamber, a substrate processing chamber continuously arranged to the substrate transfer chamber, an exhaust means for exhausting the atmosphere in the carrier open/close chamber by suction, and an exhaust quantity adjuster means for adjusting the suction exhaust quantity of the exhaust means.

Abstract: A semiconductor memory device includes a first data bus having a first width, and a second data bus which is separate from the first data bus and which has a second width which is different from the first width. The semiconductor memory device further includes a data transfer unit configured for transferring data from memory cells connected to a plurality of bit lines. In a first operational mode, the data transfer unit connects a first number of bit lines from among the plurality of bit lines to the first data bus to transfer the data, the first number being equal to the first width. In a second operational mode, the data transfer unit connects a second number of bit lines from among the plurality of bit lines to the second data bus to transfer the data, the second number being equal to the second width.

Abstract: A substrate processing apparatus includes a processing vessel configured to process a substrate; a first purging part configured to perform a first purge to supply inert gas at a first flow rate into a substrate container accommodating the substrate; and a second purging part configured to perform a second purge to supply inert gas at a second flow rate into the substrate container, the second flow rate being lower than the first flow rate.

Abstract: Provided is an error check and correction (ECC) circuit which includes a Chien search unit configured to determine whether there is an error in a data string. The Chien search unit includes a circuit configured to calculate a first bit string by multiplying a plurality of elements of Galois Field GF(2n) and a value of (n-k)-bit, and calculate a second bit string by multiplying the plurality of elements and a value of k-bit; and a plurality of Chien search circuits configured to combine the first bit string and the second bit string to calculate the arbitrary element. The plurality of Chien search circuits are arranged in a matrix along a row direction and a column direction. The first bit string is provided in the row direction or the column direction, and the second bit string is provided in a direction different from the direction of the first bit string.

Abstract: An error check and correction circuit includes a Chien search unit. The Chien search unit includes a calculation circuit and a plurality of Chien search circuits. The calculation circuit is configured to calculate a first bit stream by multiplying a value of (n?k) bits by a plurality of elements and a second bit stream by multiplying a value of k bits by the plurality of elements. The plurality of Chien search circuits configured to calculate the element by connecting the first bit stream and the second bit stream, and substitute the calculated element into the error correction search equation.

Abstract: A furnace-heating combustion apparatus that allows adjustment of a ratio between the amount of primary air and the amount of secondary air. A double-tube elongate burner extends through a rear wall portion of an air box disposed away from a furnace wall. The leading end portion of the burner is disposed inside a tube section such that a secondary air conduit is formed between an outer circumferential face of the leading end portion and an inner circumferential face of the tube section. A primary air conduit is provided at the leading end portion of the burner to introduce the air inside the air box from the rear end portion and cause it to flow toward the leading end portion. A burner supporting means is provided for to allow adjustment of the position of the burner in the longitudinal direction relative to the rear wall of the air box.

Abstract: A repair method for detaching a part from a board in an electronic device module having at least the board and the part bonded with the board by a press fitting process. A repair use block having a repair use through hole is placed on the part, and a repair use bolt is fastened with a repair use female thread formed in the part, in advance, through the repair use through hole. The repair use bolt head abuts against the top surface of the repair use block, then is further fastened, whereupon the part is pulled up together with the repair use female thread upward above the board. When a repair use female thread cannot be directly formed in the part, a repair use auxiliary part which is to be pulled up integrally with the part, is interposed.

Abstract: An object of the present invention is to provide a combustion device which does not cause an increase in the amount of generated NOx or a degradation in efficiency due to a lower flame luminance, even when the combustion space is limited in the lengthwise direction of the flame. A fuel ejector is configured so as to be provided with at least a first fuel ejector and a second fuel ejector lined up in a specific direction as viewed in the lengthwise direction of fuel ejection, and is configured so that a first ejection stream ejected from the first fuel ejector and the second fuel ejector collide on the downstream side of ejection.

Abstract: [Task] To allow a wheel that provides a performance required for use in an omni-directional vehicle to be manufactured in an efficient manner. [Solution] An annular member (51) comprises a C-shaped main body (61) and a complementary member (62) defining an endless annular shape jointly with the main body (61), a joint (63) between the main body (61) and complementary member (62) includes mating surfaces that are non-perpendicular to the cross sectional center line of the annular member, and the main body (61) and the complementary member (62) are fixedly joined to each other by using a threaded bolt (64) passed radially through the mating surfaces.

Abstract: Heat generated by a drive source of a friction drive device such as an electric motor is allowed to efficiently dissipate to the atmosphere, and the friction drive device and an omni-directional vehicle using the same is designed in a highly compact manner. Left and right electric drive devices are placed on a central axial line of left and right rotatable drive members, and external teeth members serving as output members of the electric drive devices are directly connected to the respective rotatable drive members in a torque transmitting and heat transmitting relationship.

Abstract: In a friction drive device comprising first free rollers and second free rollers contacting each other at the outer circumferential surfaces thereof to frictionally transmit power from the second free rollers to the first free rollers, in order to minimize the slippage between the first and second free rollers, minimize the power loss and cause the first free rollers to move as designed, an outer peripheral part of each first free roller defining an outer circumferential surface thereof has a different stiffness from that of an outer peripheral part of each second free roller defining an outer circumferential surface thereof.

Abstract: A combustion device for a melting furnace, capable of heating a melting target object and the ceiling portion of the furnace with the radiant heat of the flame, including a combustion space above the location of the melting target object, including a fuel injection nozzle having a plurality of fuel injecting portions, which portions include orifices disposed side by side horizontally relative to the direction of fuel injection, and formed side by side vertically relative to the same. The orifices are formed radially side by side as seen laterally, with a direction along a middle angle in the angular range between the fuel injection direction of the uppermost fuel injection orifice and the fuel injection direction of the lowermost fuel injection orifice being directed obliquely upwards. The fuel injection orifices of the upper fuel injecting portion are formed radially side by side as seen in the plane view.