Patent application number | Description | Published |
20100136773 | Semiconductor Device Manufacturing Method and Substrate Processing Apparatus - A semiconductor device manufacturing method comprises the steps of loading a substrate into a processing chamber, mounting the substrate on a support tool in the processing chamber, processing the substrate mounted on the support tool by supplying process gas into the processing chamber, purging the interior of the processing chamber after the substrate processing step, and unloading the processed substrate from the processing chamber after the step of purging the interior of the processing chamber, wherein in the step of purging the interior of the processing chamber, exhaust is performed toward above the substrate and toward below the substrate in the processing chamber, and the exhaust rate toward above the substrate is set larger than the exhaust rate toward below the substrate. | 06-03-2010 |
20110124204 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF PROCESSING SUBSTRATE, AND SUBSTRATE PROCESSING APPARATUS - A semiconductor device manufacturing method includes: forming a layer on a substrate by supplying source gas into a process vessel; changing the layer into an oxide layer by supplying gases containing oxygen and hydrogen into the process vessel heated and kept lower than atmospheric pressure; and forming an oxide film on the substrate by alternately repeating the forming of the layer and the changing of the layer while purging an inside of the process vessel therebetween. In the forming of the layer, the source gas is supplied toward the substrate through a nozzle at a side of the substrate, and inert or hydrogen-containing gas is supplied together with the source gas through the nozzle toward the substrate, such that the velocity of the source gas flowing parallel to the substrate is greater than the velocity of the inert gas flowing parallel to the substrate in the purging of the process vessel. | 05-26-2011 |
20110130011 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF PROCESSING SUBSTRATE, AND SUBSTRATE PROCESSING APPARATUS - Provided is a method of manufacturing a semiconductor device. The method includes: (a) forming an oxide film having a predetermined thickness on a substrate by alternately repeating: (a-1) forming a layer containing a predetermined element on the substrate by supplying a source gas containing the predetermined element into a process vessel accommodating the substrate and exhausting the source gas from the process vessel; and (a-2) changing the layer containing the predetermined element into an oxide layer by supplying an oxygen-containing gas and an hydrogen-containing gas into the process vessel, wherein inside of the process vessel is under a heated atmosphere having a pressure lower than an atmospheric pressure; and exhausting the oxygen-containing gas and the hydrogen-containing gas from the process vessel; and (b) modifying the oxide film formed on the substrate by supplying the oxygen-containing gas and the hydrogen-containing gas into the process vessel, wherein the inside of the process vessel is under the heated atmosphere having the pressure lower than the atmospheric pressure, and exhausting the oxygen-containing gas and the hydrogen-containing gas from the process vessel. | 06-02-2011 |
20110230057 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF PROCESSING SUBSTRATE, AND SUBSTRATE PROCESSING APPARATUS - An excellent type of a film is realized by modifying conventional types of films. A carbonitride film of a predetermined thickness is formed on a substrate by performing, a predetermined number of times, a cycle including the steps of: supplying a source gas into a process vessel accommodating the substrate under a condition where a CVD reaction is caused, and forming a first layer including an element on the substrate; supplying a carbon-containing gas into the process vessel to form a layer including carbon on the first layer, and forming a second layer including the element and the carbon; supplying the source gas into the process vessel under a condition where a CVD reaction is caused to additionally form a layer including the element on the second layer, and forming a third layer including the element and the carbon; and supplying a nitrogen-containing gas into the process vessel to nitride the third layer, and forming a carbonitride layer serving as a fourth layer including the element, the carbon, and nitrogen. | 09-22-2011 |
20110256733 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF PROCESSING SUBSTRATE AND SUBSTRATE PROCESSING APPARATUS - An insulating film having features such as a low dielectric constant, a low etching rate and a high insulating property is formed. An oxycarbonitride film having a predetermined thickness is formed on a substrate in a process vessel by performing a cycle a predetermined number of times, wherein the cycle includes steps of: (a) performing a set of steps a predetermined number of times to form a carbonitride layer having a predetermined thickness on the substrate; and (b) supplying an oxygen-containing gas into the process vessel to oxidize the carbonitride layer having the predetermined thickness, thereby forming an oxycarbonitride layer, wherein the set of steps includes: (a-1) supplying a gas containing an element into the process vessel accommodating the substrate under a condition where a CVD reaction is caused to form a layer containing the element on the substrate; (a-2) supplying a carbon-containing gas into the process vessel to form a carbon-containing layer on the layer containing the element, thereby forming a layer including the element and a carbon; and (a-3) supplying a nitrogen-containing gas into the process vessel to nitride the layer including the element and the carbon, thereby forming the carbonitride layer. | 10-20-2011 |
20110294280 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND SUBSTRATE PROCESSING APPARATUS - Provided are a method of manufacturing a semiconductor device and a substrate processing apparatus capable of improving defects of conventional CVD and ALD methods, satisfying requirements of film-thinning, and realizing high film-forming rate. The method includes forming a first layer including a first element being able to become solid state by itself on a substrate by supplying a gas containing the first element into a process vessel in which the substrate is accommodated under a condition that a CVD reaction occurs, and forming a second layer including the first element and a second element being unable to become solid state by itself by supplying a gas containing the second element into the process vessel to modify the first layer, wherein a cycle including the forming of the first layer and the forming of the second layer is performed at least once to form a thin film including the first and second elements and having a predetermined thickness. | 12-01-2011 |
20110318940 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF PROCESSING SUBSTRATE, AND SUBSTRATE PROCESSING APPARATUS - A method of manufacturing a semiconductor device includes forming a layer containing a predetermined element on a substrate by supplying a source gas containing the predetermined element into a process vessel and exhausting the source gas from the process vessel to cause a chemical vapor deposition (CVD) reaction. A nitrogen-containing gas is supplied into the process vessel and then exhausted, changing the layer containing the predetermined element into a nitride layer. This process is repeated to form a nitride film on the substrate. The process vessel is purged by supplying an inert gas into the process vessel and exhausting the inert gas from the process vessel between forming the layer containing the predetermined element and changing the layer containing the predetermined element into the nitride layer. | 12-29-2011 |
20120184110 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF PROCESSING SUBSTRATE AND SUBSTRATE PROCESSING APPARATUS - An insulating film including characteristics such as low permittivity, a low etching rate and a high insulation property is formed. Supplying a gas containing an element, a carbon-containing gas and a nitrogen-containing gas to a heated substrate in a processing vessel to form a carbonitride layer including the element, and supplying the gas containing the element and an oxygen-containing gas to the heated substrate in the processing vessel to form an oxide layer including the element are alternately repeated to form on the substrate an oxycarbonitride film having the carbonitride layer and the oxide layer alternately stacked therein. | 07-19-2012 |
20120220137 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND METHOD OF PROCESSING SUBSTRATE AND SUBSTRATE PROCESSING APPARATUS - In a low-temperature, a silicon nitride film having a low in-film chlorine (Cl) content and a high resistance to hydrogen fluoride (HF) is formed. The formation of the silicon nitride film includes (a) supplying a monochlorosilane (SiH | 08-30-2012 |
20130019804 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND SUBSTRATE PROCESSING APPARATUS - Provided is a substrate processing apparatus. The apparatus includes: a process vessel, a heater, a source gas supply system, an oxygen-containing gas supply system, a hydrogen-containing gas supply system, a pressure regulator, and a controller. The controller is configured to control the parts so as to perform: (a) forming an oxide film on a substrate by alternately repeating: (a-1) forming a layer by supplying a source gas into the process vessel accommodating the substrate; and (a-2) changing the layer into an oxide layer by supplying an oxygen-containing gas and an hydrogen-containing gas into the process vessel, the inside of the process vessel being under a heated atmosphere having a low pressure; and (b) modifying the oxide film formed on the substrate by supplying the oxygen-containing gas and the hydrogen-containing gas into the process vessel, the inside of the process vessel being under the heated atmosphere having the low pressure. | 01-24-2013 |
20130059451 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND SUBSTRATE PROCESSING APPARATAUS - A method of manufacturing a semiconductor device, the method comprising: forming an oxide film on a substrate by alternately repeating: (a) forming an element-containing layer on the substrate by supplying a source gas containing an element into a process vessel accommodating the substrate; and (b) changing the element-containing layer to an oxide layer by supplying an oxygen-containing gas and a hydrogen-containing gas into the process vessel having an inside pressure lower than atmospheric pressure, reacting the oxygen-containing gas with the hydrogen-containing gas to generate an atomic oxygen, and oxidizing the element-containing layer by the atomic oxygen. | 03-07-2013 |
20130072027 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SUBSTRATE PROCESSING METHOD, SUBSTRATE PROCESSING APPARATUS AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM - Provided is a method of manufacturing a semiconductor device having a structure in which an oxide film and a nitride film are stacked. The method includes forming a stacked film having an oxide film and a nitride film stacked therein on a substrate in a processing container by alternately performing a first cycle and a second cycle a predetermined number of times, the first cycle comprising forming the oxide film by supplying a source gas, a nitriding gas and an oxidizing gas to the substrate in the processing container a predetermined number of times, and the second cycle comprising forming the nitride film by supplying the source gas and the nitriding gas to the substrate in the processing container a predetermined number of times, wherein the forming of the oxide film and the forming of the nitride film are consecutively performed while retaining a temperature of the substrate constant. | 03-21-2013 |
20130149873 | Method of Manufacturing Semiconductor Device, Method of Processing Substrate, Substrate Processing Apparatus and Non-Transitory Computer-Readable Recording Medium - A thin film including characteristics of low permittivity, high etching resistance and high leak resistance is to be formed. A method of manufacturing a semiconductor device includes forming a thin film containing a predetermined element on a substrate by performing a cycle a predetermined number of times, the cycle including: forming a first layer containing the predetermined element, nitrogen and carbon by alternately performing supplying a source gas containing the predetermined element and a halogen element to the substrate and supplying a first reactive gas containing three elements including the carbon, the nitrogen and hydrogen and having a composition wherein a number of carbon atoms is greater than that of nitrogen atoms to the substrate a predetermined number of times; and forming a second layer by supplying a second reactive gas different from the source gas and the first reactive gas to the substrate to modify the first layer. | 06-13-2013 |
20130149874 | Method of Manufacturing Semiconductor Device, Method of Processing Substrate, Substrate Processing Apparatus and Non-Transitory Computer-Readable Recording Medium - A method of manufacturing a semiconductor device is provided. The method includes: forming a thin film containing a predetermined element on a substrate by repeating a cycle, the cycle including: forming a first layer containing the predetermined element, nitrogen and carbon by alternately performing supplying a source gas containing the predetermined element and a halogen element to the substrate and supplying a first reactive gas containing three elements including the carbon, the nitrogen and hydrogen and having a composition wherein a number of carbon atoms is greater than that of nitrogen atoms to the substrate a predetermined number of times; forming a second layer by supplying a second reactive gas different from the source gas and the first reactive gas to the substrate to modify the first layer; and modifying a surface of the second layer by supplying a hydrogen-containing gas to the substrate. | 06-13-2013 |
20130252439 | Method of Manufacturing Semiconductor Device, Substrate Processing Apparatus and Non-Transitory Computer-Readable Recording Medium - A method includes: forming a thin film on a substrate by performing a cycle a predetermined number of times, the cycle including: (a) supplying a source gas to the substrate in a process chamber; and (b) supplying a reactive gas to the substrate in the process chamber, wherein at least one of (a) and (b) includes: (c) supplying the source gas or the reactive gas at a first flow rate with exhaust of an inside of the process chamber being suspended until an inner pressure of the process chamber reaches a predetermined pressure; and (d) supplying the source gas or the reactive gas at a second flow rate less than the first flow rate with exhaust of the inside of the process chamber being performed while maintaining the inner pressure of the process chamber at the predetermined pressure after the inner pressure of the process chamber reaches the predetermined pressure. | 09-26-2013 |
20140038429 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND METHOD OF PROCESSING SUBSTRATE AND SUBSTRATE PROCESSING APPARATUS - In a low-temperature, a silicon nitride film having a low in-film chlorine (Cl) content and a high resistance to hydrogen fluoride (HF) is formed. The formation of the silicon nitride film includes (a) supplying a monochlorosilane (SiH | 02-06-2014 |
20140170858 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SUBSTRATE PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM - Provided is a method including forming a film including a predetermined element, oxygen and at least one element selected from a group consisting of nitrogen, carbon and boron on a substrate by performing a cycle a predetermined number of times, the cycle including supplying a source gas to the substrate wherein the source gas contains the predetermined element, chlorine and oxygen with a chemical bond of the predetermined element and oxygen, and supplying a reactive gas to the substrate wherein the reactive gas contains the at least one element selected from the group consisting of nitrogen, carbon and boron. | 06-19-2014 |
20140287595 | Method of Manufacturing Semiconductor Device, Substrate Processing Apparatus, Substrate Processing System and Non-Transitory Computer-Readable Recording Medium - A thin film having excellent etching resistance and a low dielectric constant is described. A method of manufacturing a semiconductor device includes forming a thin film on a substrate, removing first impurities containing H | 09-25-2014 |
20140318451 | SUBSTRATE PROCESSING APPARATUS - A substrate processing apparatus capable of forming an oxide film on a substrate by forming a layer on the substrate by supplying a source gas into a process vessel accommodating the substrate via the first nozzle, and simultaneously supplying an oxygen-containing gas through a second nozzle and a hydrogen-containing gas through a first nozzle into the process vessel having an inside pressure thereof lower than atmospheric pressure; mixing and reacting the oxygen-containing gas with the hydrogen-containing gas in a non-plasma atmosphere within the process vessel to generate atomic oxygen; and oxidizing the layer with the atomic oxygen to change the layer into an oxide layer is disclosed. | 10-30-2014 |
Patent application number | Description | Published |
20080225313 | IMAGE PROCESSING APPARATUS AND METHOD AND COMPUTER-READABLE RECORDING MEDIUM HAVING STORED THEREIN THE PROGRAM - When image processing is performed on image data representing an image to obtain processed image data, an image processing condition setting unit calculates a recommended correction amount for compressing the dynamic range of the image. Further, a display unit displays information representing the recommended correction amount. | 09-18-2008 |
20090245625 | IMAGE TRIMMING DEVICE AND PROGRAM - An image trimming device involves: extracting a region of interest from an original image; detecting a set of features for each region of interest; determining whether each region of interest should be placed inside or outside a trimming frame based on the set of features and setting the trimming frame in the image; extracting an image inside the trimming frame; determining a positional relationship between each region of interest and the trimming frame and increasing or decreasing probability of each region of interest to be placed inside the trimming frame depending on if the region has a set of features similar to that of another region of interest previously placed inside the trimming frame or previously placed outside the trimming frame. | 10-01-2009 |
20140023252 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD AND IMAGE PROCESSING PROGRAM - A first processed signal is extracted by extracting an input spatial frequency component corresponding to a periodic pattern by performing filtering processing on an image signal. A subject component of an image included in the extracted first processed signal is extracted from the first processed signal. A second processed signal is extracted by subtracting the first processed signal from the image signal and also by adding the extracted subject component to the image signal. | 01-23-2014 |
20140023258 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD ANDIMAGE PROCESSING PROGRAM - A peak position and a peak width of a frequency spectrum corresponding to a periodic pattern are detected by performing, with respect to at least one direction, frequency analysis on an image signal representing an image including the periodic pattern. The passband characteristics of a one-dimensional filter suppressing a spatial frequency component corresponding to the periodic pattern in the image signal are determined based on the detected peak position and the detected peak width. | 01-23-2014 |
20140361192 | PERIODIC PATTERN DETECTION APPARATUS AND METHOD - The image obtaining unit obtains a radiation image from the radiation detector, the radiation field area detection unit detects a radiation field area from the radiation image. The analysis area setting unit detects a direct radiation area, a superabsorbent body area, and a high noise area as the areas where a periodic pattern is unlikely to present and sets an analysis area by excluding these areas. The frequency analysis unit performs a frequency analysis only on the analysis area and detects a frequency component of the periodic pattern arising from a grid. The filtering processing unit removes the frequency component of the periodic pattern arising from the grid from the radiation image. | 12-11-2014 |
20140363071 | IMAGE PROCESSING APPARATUS AND METHOD - A first frequency analysis unit performs frequency analysis on a reference radiographic image of plural radiographic images obtained by tomosynthesis imaging using a grid, and obtains a frequency characteristic of a periodic pattern caused by the grid and a frequency analysis result. A second frequency analysis unit performs, based on the frequency analysis result, limited frequency analysis on a radiographic image or images other than the reference radiographic image, and obtains a frequency characteristic of the periodic pattern about the radiographic image or images. A suppression unit performs, based on the frequency characteristic, processing for suppressing the periodic pattern in all of the radiographic images. | 12-11-2014 |
Patent application number | Description | Published |
20090122356 | FACSIMILE APPARATUS AND CONTROL METHOD THEREFOR - The present invention provides a facsimile apparatus which provides a facsimile function to a cooperative image forming apparatus connected to a network, the facsimile apparatus comprising a receiving unit configured to perform facsimile reception via a public line, a determining unit configured to, when the receiving unit receives data to be transferred to the cooperative image forming apparatus, determine whether a license of the cooperative image forming apparatus which can be provided with the facsimile function is valid or invalid, and a control unit configured to restrict transfer of the data to the cooperative image forming apparatus based on a determination result by the determining unit. | 05-14-2009 |
20100231982 | IMAGE PROCESSING SYSTEM AND CONTROL METHOD THEREOF - An image processing system comprises a first image reading apparatus which generates first image data by reading an image, transmits the first image data to a transmission destination via a network, and transmits, to a second image reading apparatus, information for combining image data which is transmitted by each of the first image reading apparatus and the second image reading apparatus to the transmission destination, the second image reading apparatus which generates second image data by reading an image, and transmits the second image data to the transmission destination via the network by using the transmitted information. | 09-16-2010 |
20100321718 | IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND RECORDING MEDIUM - An image forming apparatus communicates with an information apparatus through wireless communication. The image forming apparatus determines whether data received from the information apparatus is in an e-mail format. When it is determined that the received data is in an e-mail format, the image forming apparatus displays a letting screen for letting a user select forming an image of the e-mail text or forming an image of an attached file. When it is determined that the received data is not an e-mail format, the apparatus displays a setting screen for setting an image forming condition, upon reception of the data. | 12-23-2010 |
20110109427 | IMAGE PROCESSING APPARATUS AND METHOD OF CONTROLLING THE IMAGE PROCESSINGAPPARATUS - A process to generate a request for a copy process occurs at the side of a Web server before the copying is actually started since a user has selected the copy function of an MFP. If the user instructs logout from the MFP during the process, it is determined that the user has no right because the authentication context of the user is deleted from the MFP. Accordingly, it is not possible for the user to perform the copying. | 05-12-2011 |
20120086976 | IMAGE PROCESSING APPARATUS AND METHOD FOR CONTROLLING THE SAME - An image processing apparatus may include a storage unit, a generation unit, a recording unit, and a transmission unit. The storage unit is managed to allow access from an external information processing apparatus. The generation unit generates image data for audit for auditing the image data later. The image data is generated by a reading unit reading a document or is input. The recording unit records the image data for audit generated by the generation unit. The transmission unit transmits, to the external information processing apparatus, information about the image data in which the image data for audit is recorded by the recording unit among the image data stored in the storage unit in a case where a request for referring to the storage unit is received from the external information processing apparatus. | 04-12-2012 |
20120113462 | IMAGE FORMING APPARATUS, INFORMATION PROCESSING APPARATUS, IMAGE FORMING METHOD, AND STORAGE MEDIUM - An image forming apparatus, which is capable of effectively performing a test print with the number of records being smaller than that of all records of variable data printing (VDP), receives a VDP job including a plurality of records, extracts records by deleting items in which different values are set to all records among the items which are set to the plurality of records included in the VDP job and used for printing and by combining records which have the same combination of values set to remaining items by an extraction unit, receives an test print instruction, and prints the records which the extraction unit extracts according to the test print instruction. | 05-10-2012 |
20130335764 | IMAGE PROCESSING SYSTEM, IMAGE PROCESSING APPARATUS, CONTROL METHOD OF IMAGE PROCESSING APPARATUS, AND PROGRAM - In an information processing apparatus, when a receiving unit receives data from an external device, a power control unit returns a power state of the apparatus from a power saving state and a transmitting unit transmits a start instruction to a connected image forming apparatus, and when a power supply switch becomes on according to a user's operation, the power control unit returns the power state of the apparatus from the power saving state but the transmitting unit does not transmit the start instruction to the image forming apparatus. Thus, it is possible to achieve both a linkage start and an individual start for an external image processing controller and the image forming apparatus, in an image processing system including the information processing apparatus, the external image processing controller and the image forming apparatus capable of performing an image process in cooperation with others. | 12-19-2013 |
20150070721 | IMAGE PROCESSING APPARATUS, METHOD FOR CONTROLLING IMAGE PROCESSING APPARATUS, AND PROGRAM - An image processing apparatus is connected to an image forming apparatus that operates at least in a standby state and in a power saving state requiring less power consumption than the standby state. The image processing apparatus, which is configured to perform image processing on an externally received print job and to input the print job to the image forming apparatus, includes a determination unit configured to determine a power state of the image forming apparatus, and a transmission unit configured to transmit a reserved print job to the image forming apparatus at a reserved time if the determined power state of the image forming apparatus is the power saving state, and to transmit the reserved print job to the image forming apparatus prior to the reserved time if the determined power state of the image forming apparatus is the standby state. | 03-12-2015 |
Patent application number | Description | Published |
20080315468 | Honeycomb structure and manufacturing method thereof - A honeycomb structure is made of cordierite and has a plurality of cells separated from each other by porous partition walls and functioning as fluid passages. The honeycomb structure has a thermal expansion coefficient of 0.25×10 | 12-25-2008 |
20090075022 | HONEYCOMB STRUCTURE - There is disclosed a honeycomb structure having excellent thermal shock resistance. The honeycomb structure contains cordierite as a main component, and has an average pore diameter of 4 μm or more and 10 μm or less, a total pore volume of 0.18 cm | 03-19-2009 |
20090220699 | METHOD FOR MANUFACTURING CERAMIC HONEYCOMB STRUCTURE AND COATING MATERIAL USED FOR THE METHOD - A method for manufacturing a ceramic honeycomb structure includes the steps of: forming the outer periphery of a ceramic structure having a plurality of cells separated by ceramic porous partition walls into a predetermined shape; applying a coating material containing at least a ceramic powder, water, and a high-boiling additive having a higher boiling point than that of water on an outer periphery of the cell structure | 09-03-2009 |
20100119719 | METHOD FOR MANUFACTURING CERAMIC HONEYCOMB STRUCTURE AND COATING MATERIAL FOR THE CERAMIC HONEYCOMB STRUCTURE - There is provided a method for manufacturing a ceramic honeycomb structure comprising: a coating material adjustment step for obtaining a coating material by mixing at least water with a ceramic powder aggregate having only one peak in a particle size distribution, an average particle size of 23 to 39 μm, and a particle size distribution width of 15 to 33, a coating material application step for applying the coating material to cover the outer periphery of a honeycomb structure having a plurality of cells separated by porous ceramic partition walls, and a coating material heat-drying step for forming an outer wall by heat-drying the coating material after the coating material application step. By the method, the outer periphery is covered with a coating material to form an outer wall to hardly generate, for example, crack generation and peeling upon drying the outer wall, and the coating material is provided. | 05-13-2010 |
20120225768 | METHOD FOR MANUFACTURING CERAMIC HONEYCOMB STRUCTURE AND COATING MATERIAL FOR THE CERAMIC HONEYCOMB STRUCTURE - There is provided a method for manufacturing a ceramic honeycomb structure comprising: a coating material adjustment step for obtaining a coating material by mixing at least water with a ceramic powder aggregate having only one peak in a particle size distribution, an average particle size of 23 to 39 μm, and a particle size distribution width of 15 to 33, a coating material application step for applying the coating material to cover the outer periphery of a honeycomb structure having a plurality of cells separated by porous ceramic partition walls, and a coating material heat-drying step for forming an outer wall by heat-drying the coating material after the coating material application step. By the method, the outer periphery is covered with a coating material to form an outer wall to hardly generate, for example, crack generation and peeling upon drying the outer wall, and the coating material is provided. | 09-06-2012 |
Patent application number | Description | Published |
20090202279 | IMAGE FORMING APPARATUS - An image forming apparatus operates in a marginless print mode in which the toner image is formed on a first region on a first image bearing member corresponding to a sheet size and a second region on the first image bearing member outside the first region. Reverse-transfer efficiency TR | 08-13-2009 |
20090296147 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - There is provided an image forming apparatus which shortens the time taken for circumference detection and measures the circumference at high precision without obstructing downsizing of the apparatus. To accomplish this, the image forming apparatus detects, at an arbitrary timing, the physical pattern of the image-formed surface of a rotation member that changes over time. In the second round, the image forming apparatus detects the second pattern at a timing a predetermined time after the arbitrary timing. By using the detected patterns, the image forming apparatus obtains information associated with the circumference of the rotation member. | 12-03-2009 |
20090297190 | IMAGE FORMING APPARATUS - There is provided an image forming apparatus that accurately obtains the dynamic characteristic of the apparatus when a foreign substance is adhered to a driving roller for driving an endless belt, such as a facing roller. To accomplish this, the image forming apparatus uses an optical sensor to detect information of a foreign substance on the facing roller. When it is determined that there is no foreign substance information, the image forming apparatus executes profile detection of an intermediate transfer belt using the nominal circumference of the facing roller. When the optical sensor detects foreign substance information, the image forming apparatus measures the circumference of the facing roller, and performs profile detection of the intermediate transfer belt using the measured circumference of the facing roller. | 12-03-2009 |
20090297191 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - There is provided an image forming apparatus including a rotation member used for image forming and a detector for detecting light from the rotation member. First waveform data of an image-formed surface used to form an image on the rotation member is acquired by the detector. Second waveform data of the image-formed surface used to form an image on the rotation member is acquired. The second waveform data includes at least part of a detected section of the first waveform data. Information on the actual circumference of the rotation member is calculated based on matching between the acquired first and second waveform data. The acquired first waveform data and second waveform data are compared to determine whether or not to use the calculated information on the circumference. When it is determined not to use the calculated information on the circumference, information on the circumference of the rotation member is recalculated. | 12-03-2009 |
20100080597 | IMAGE FORMING APPARATUS - An image forming apparatus includes a transfer roller that can be separated from an intermediate transfer belt. When an operational mode is switched from a multicolor mode to a mono-color mode, the image forming apparatus changes a rotational speed of the intermediate transfer belt to a level slower than a rotational speed of the intermediate transfer belt to be set in the multicolor mode to transfer a toner image to the intermediate transfer belt, then separates a first transfer member from the intermediate transfer belt, and after the first transfer member is separated from the intermediate transfer belt, the image forming apparatus increases the rotational speed of the intermediate transfer belt to a rotational speed to be set in the mono-color mode to transfer the toner image to the intermediate transfer belt. | 04-01-2010 |
20120099881 | IMAGE FORMING APPARATUS THAT INCLUDES A TRANSFER MEMBER THAT CAN BE SEPARATED FROM AN INNER CIRCUMFERENTIAL SURFACE OF A TRANSFER BELT WHEN BELT IS ROTATING - An image forming apparatus includes a transfer roller that can be separated from an intermediate transfer belt. When an operational mode is switched from a multicolor mode to a mono-color mode, the image forming apparatus changes a rotational speed of the intermediate transfer belt to a level slower than a rotational speed of the intermediate transfer belt to be set in the multicolor mode to transfer a toner image to the intermediate transfer belt, then separates a first transfer member from the intermediate transfer belt, and after the first transfer member is separated from the intermediate transfer belt, the image forming apparatus increases the rotational speed of the intermediate transfer belt to a rotational speed to be set in the mono-color mode to transfer the toner image to the intermediate transfer belt. | 04-26-2012 |
20120195605 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - There is provided an image forming apparatus including a rotation member used for image forming and a detector for detecting light from the rotation member. First waveform data of an image-formed surface used to form an image on the rotation member is acquired by the detector. Second waveform data of the image-formed surface used to form an image on the rotation member is acquired. The second waveform data includes at least part of a detected section of the first waveform data. Information on the actual circumference of the rotation member is calculated based on matching between the acquired first and second waveform data. The acquired first waveform data and second waveform data are compared to determine whether or not to use the calculated information on the circumference. When it is determined not to use the calculated information on the circumference, information on the circumference of the rotation member is recalculated. | 08-02-2012 |
20120195612 | IMAGE FORMING APPARATUS - There is provided an image forming apparatus that accurately obtains the dynamic characteristic of the apparatus when a foreign substance is adhered to a driving roller for driving an endless belt, such as a facing roller. To accomplish this, the image forming apparatus uses an optical sensor to detect information of a foreign substance on the facing roller. When it is determined that there is no foreign substance information, the image forming apparatus executes profile detection of an intermediate transfer belt using the nominal circumference of the facing roller. When the optical sensor detects foreign substance information, the image forming apparatus measures the circumference of the facing roller, and performs profile detection of the intermediate transfer belt using the measured circumference of the facing roller. | 08-02-2012 |
Patent application number | Description | Published |
20080304829 | WAVELENGTH MULTIPLEX TRANSMISSION APPARATUS, CONTROL METHOD, AND CONTROL PROGRAM - A wavelength multiplex transmission apparatus including a divided wavelength band unit which controls signal light in each of a plurality of divided wavelength bands into which a transmission wavelength band on a transmission path is divided, a light source which is provided in the divided wavelength band unit and outputs dummy light, and a control unit which controls power of a divided band multiplexed light, which is multiplexed light of the signal light and the dummy light, to have predetermined level by controlling the power of dummy light. | 12-11-2008 |
20110101113 | COMPOSITE MAGNETIC ANTENNA AND RF TAG, AND METAL PART AND METAL TOOL ON WHICH THE COMPOSITE MAGNETIC ANTENNA OR RF TAG IS INSTALLED - The present invention relates to a composite magnetic antenna for information communication utilizing a magnetic field component as well as a composite RF tag using the composite magnetic antenna, which can be embedded in metals while maintaining a sufficient communication sensitivity unlike conventional RF tags which were unusable in the metal embedding applications. The composite RF tag for transmitting and receiving information using an electromagnetic induction method according to the present invention, comprises a magnetic antenna on which an IC is mounted, and an insulating material and a metal material or a conductive material which are formed around the magnetic antenna, wherein the magnetic antenna comprises a central core formed of a magnetic material, and an electrode material formed into a coil around the central core; the insulating material is formed around the magnetic antenna except for one longitudinal end of the coil of the magnetic antenna; and the metal material or the conductive material is formed on an outside of the insulating material. | 05-05-2011 |
20110124299 | MAGNETIC ANTENNA, BOARD MOUNTED WITH THE SAME, AND RF TAG - The present invention relates to a magnetic antenna for information communication using a magnetic field component which is capable of satisfying both reduction in size and improvement in communication sensitivity. The magnetic antenna of the present invention is used for transmitting and receiving information using an electromagnetic induction method, and comprises a central core formed of a magnetic material and a non-magnetic material, a coil-shaped electrode material wound around the core, and an insulating layer formed on at least one outside surface of the core on which the coil-shaped electrode material is provided, in which the magnetic material is separated into two or more parts through the non-magnetic material when viewed in a section of the core which is perpendicular to a magnetic flux passing therethrough. | 05-26-2011 |
20120062436 | MAGNETIC ANTENNA AND BOARD MOUNTED WITH THE SAME - A magnetic antenna, suitable for use in an RFID tag and an RFID tag reader/writer, which operates stable even if brought close to a metallic object and suitable for mass-production, and a board mounted with the magnetic antenna. The magnetic antenna has a coil with a magnetic layer and a conductive layer provided on the magnetic layer via an insulating layer or has a plurality of coils each with a magnetic layer having a square or rectangular shape and arranged radially. | 03-15-2012 |
20120091210 | COMPOSITE RF TAG, AND TOOL MOUNTED WITH THE COMPOSITE RF TAG - The present invention relates to a composite RF tag for transmitting and receiving information using an electromagnetic induction method, comprising a magnetic antenna mounted with an IC, and a resin layer formed around the magnetic antenna, wherein the magnetic antenna comprises a central core formed of a magnetic material and a coil-shaped electrode material disposed around the core. The RF tag according to the present invention comprises the magnetic antenna surrounded by the resin, and therefore can provide a composite magnetic RF tag which can minimize adverse influence by surrounding water or metals in view of maintenance of tools or parts to which the composite RF tag is mounted, and is free from occurrence of any failure or cracking. | 04-19-2012 |
20130020394 | MAGNETIC ANTENNA, AND RF TAG AND BOARD MOUNTED WITH THE RF TAG - The present invention relates to an RF tag comprising a magnetic antenna for transmitting and receiving information using an electromagnetic induction method, and an IC mounted to the magnetic antenna, wherein the magnetic antenna comprises a magnetic core and a plurality of coils formed on the magnetic core; the coils each have an inductance L | 01-24-2013 |
20130206845 | RF TAG, MAGNETIC ANTENNA, BOARD MOUNTED WITH THE RF TAG, AND COMMUNICATION SYSTEM - The present invention relates to a magnetic antenna for information communication using a magnetic field component which is a magnetic antenna or an RF tag capable of satisfying both reduction in size and improvement in communication sensitivity. More specifically, the present invention relates to an RF tag comprising a magnetic antenna for transmitting and receiving information using an electromagnetic induction method, and an IC mounted to the magnetic antenna, said magnetic antenna comprising a magnetic core and a plurality of coils formed on the magnetic core in which the coils each have an inductance L | 08-15-2013 |
20130206847 | COMPOSITE MAGNETIC ANTENNA AND RF TAG, AND METAL PART AND METAL TOOL ON WHICH THE COMPOSITE MAGNETIC ANTENNA OR RF TAG IS INSTALLED - The present invention relates to a composite magnetic antenna for information communication utilizing a magnetic field component as well as a composite RF tag using the composite magnetic antenna, which can be embedded in metals while maintaining a sufficient communication sensitivity unlike conventional RF tags which were unusable in the metal embedding applications. The composite RF tag for transmitting and receiving information using an electromagnetic induction method according to the present invention, comprises a magnetic antenna on which an IC is mounted, and an insulating material and a metal material or a conductive material which are formed around the magnetic antenna, wherein the magnetic antenna comprises a central core formed of a magnetic material, and an electrode material formed into a coil around the central core; the insulating material is formed around the magnetic antenna except for one longitudinal end of the coil of the magnetic antenna; and the metal material or the conductive material is formed on an outside of the insulating material. | 08-15-2013 |
Patent application number | Description | Published |
20100002251 | PRINTING APPARATUS AND CONTROL METHOD THEREOF AND PROGRAM - It is determined whether or not a change request for changing an array of a plurality of items of job information on a job list screen to a second array being different from a first array is inputted via a user interface. If it is determined that the change request is inputted, a job list screen is displayed in which the array of the plurality of items of job information is changed to the second array. Display contents of the user interface are changed in response to a user operation with respect to a print job displayed on the job list screen. If the change request is inputted prior to the user operation, the job list screen in the second array is redisplayed upon the conclusion of processing due to the user operation. If the change request is not inputted prior to the user operation, the job list screen in the first array is redisplayed. | 01-07-2010 |
20100148421 | IMAGE FORMING APPARATUS, METHOD OF CONTROLLING IMAGE FORMING APPARATUS, AND STORAGE MEDIUM - A reduction is prevented in stacking efficiency of a sheet stacking apparatus due to a wrong setting of a stacking tray performed by a user thereby achieving a high stacking efficiency. In a control method for controlling an image forming apparatus including a sheet stacking control unit configured to stack sheets, subjected to printing in a print job, on one of a plurality of removable sheet stacking units, the control method includes specifying a sheet discharging unit used in the print job, determining whether a sheet stacking unit corresponding to the specified sheet discharging unit is properly set, and, in a case where it is determined that the sheet stacking unit is not properly set, restricting conveying sheets to the sheet stacking unit. | 06-17-2010 |
20100329704 | IMAGE FORMING APPARATUS AND METHOD THEREOF - An image forming apparatus is configured to give an instruction for unlocking of a cover corresponding to a toner container, from a replacement screen of the toner container displayed when no toner inside the toner container is detected. Further, the image forming apparatus is configured such that the cover corresponding to at least one toner container can be unlocked at a time from the displayed screen. | 12-30-2010 |
20120154855 | PRINTING SYSTEM, PRINTING APPARATUS, PRINTING METHOD, CONTROL METHOD AND COMPUTER-READABLE MEDIUM - A printing apparatus comprises: an acquisition unit configured to analyze an input print job and acquires information of a sheet to be used in printing; and a printing unit configured to print the input print job by performing paper feed from an inserter controlled by another connected printing apparatus, if the information acquired by the acquisition unit indicates that a sheet to be used in printing is stored in a manual insertion paper feed unit. | 06-21-2012 |
20130094052 | PRINTING APPARATUS AND CONTROL METHOD THEREOF AND PROGRAM - It is determined whether or not a change request for changing an array of a plurality of items of job information on a job list screen to a second array being different from a first array is inputted via a user interface. If it is determined that the change request is inputted, a job list screen is displayed in which the array of the plurality of items of job information is changed to the second array. Display contents of the user interface are changed in response to a user operation with respect to a print job displayed on the job list screen. The job list screen in the second array, or the job list screen in the first array, is redisplayed, based on the nature of the change request. | 04-18-2013 |
20140063517 | IMAGE FORMING APPARATUS, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM - An image forming apparatus having a plurality of paper feed units and a control method thereof that displays a paper selection screen for displaying a page of items of information of the paper feed units and selecting a paper to be used in print processing by selecting an item of the items of information in the page displayed on the paper selection screen. Items of information of the plurality of paper feed units are divided into a plurality of pages. The apparatus and method control the display unit to display a page among the plurality of pages in accordance with a status of the image forming apparatus in a case that the display unit displays the paper selection screen. | 03-06-2014 |
20140133938 | PRINTING APPARATUS CAPABLE OF CONTROLLING ORDER OF IMAGE FORMATION ON A PLURALITY OF PAGES TO BE POST-PROCESSED, METHOD OF CONTROLLING THE PRINTING APPARATUS, AND STORAGE MEDIUM - A mechanism that makes it possible to output a saddle-stitched brochure in a correct page order when a post-processing apparatus that executes a saddle-stitching process by switching back a sheet is caused to execute the saddle-stitching process. Sheets discharged from a printing apparatus are switched back by reverse rotation of a conveying roller pair, and are conveyed into a conveying path for a saddle-stitch bookbinding process. The sheets are accumulated in an accumulation tray for the saddle-stitch bookbinding process. When the saddle-stitch bookbinding process is caused to be executed on the accumulated sheets by the post-processing apparatus, the order of image formation is decided such that the order of pages of images printed on the saddle-stitched sheets becomes correct. The images are printed on the sheets in the decided order of image formation. | 05-15-2014 |
20140146342 | IMAGE FORMING APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM STORING A PROGRAM - When an event requiring maintenance in an apparatus has been detected, moving image reproducing, for starting reproducing of a moving image indicating a procedure of maintenance in response to a user instruction and reproducing, is executed. Then, when it is determined that the procedure indicated by the moving image is executed, reproducing of a moving image indicating a procedure for clearing the event is executed. | 05-29-2014 |
20140376026 | PRINTING APPARATUS, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM - Provided is a printing apparatus that, if information on sheets held by sheet holding unit for holding sheets is set, prints images based on the set information on sheets, and a method for controlling the printing apparatus. In a case that a job that uses the sheet holding unit has been interrupted when sheets are placed on the sheet holding unit, printing is performed based on information on sheets that was designated by the job. | 12-25-2014 |
20150036172 | PRINTING APPARATUS, INFORMATION PROCESSING APPARATUS, PRINTING APPARATUS CONTROL METHOD, AND STORAGE MEDIUM - A printing apparatus includes a holding unit configured to hold an envelope having a flap, a detection unit configured to detect a guide width between two guides provided in the holding unit, an acceptance unit configured to accept information about envelope size and flap length from a user, and a display control unit configured to determine whether to perform an error notification display based on the guide width detected by the detection unit as well as based on the envelope size and the flap length accepted by the acceptance unit. | 02-05-2015 |
20150055166 | IMAGE FORMING APPARATUS, OPERATION SUPPORTING METHOD FOR IMAGE FORMING APPARATUS, AND STORAGE MEDIUM - There is provided an image forming apparatus capable of providing effective guidance on operation procedures for fixing a failure such as a paper jam when the failure occurs. The image forming apparatus displays operation contents for fixing the jam and operations to be performed to resume the stopped job are displayed on a simple maintenance screen. When the jam is fixed according to the operations of the contents, the screen is switched to a reread standby screen. In a case where detailed guidance is necessary, the screen is switched to a detailed maintenance screen. | 02-26-2015 |
Patent application number | Description | Published |
20110109204 | Piezoelectric Element and Audio Device - A piezoelectric element including a plurality of stacked piezoelectric sheets, wherein the stretching axis of a first piezoelectric sheet and the stretching axis of a second piezoelectric sheet of the plurality of piezoelectric sheets are oriented in different directions from each other. Preferably, the stretching axis of the first piezoelectric sheet and the stretching axis of the second piezoelectric sheet are intersected at an angle of 90 degrees. | 05-12-2011 |
20120025674 | PIEZOELECTRIC POLYMER MATERIAL, PROCESS FOR PRODUCING SAME, AND PIEZOELECTRIC ELEMENT - The invention provides a piezoelectric polymer material including a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and having optical activity, the piezoelectric polymer material having a piezoelectric constant d | 02-02-2012 |
20120108783 | PIEZOELECTRIC SHEET, METHOD FOR MANUFACTURING PIEZOELECTRIC SHEET, AND MANUFACTURING APPARATUS - A specific region of a polylactic acid sheet is heated by a microwave. To allow the polylactic acid sheet to exhibit piezoelectricity in the thickness direction of the polylactic acid sheet, a high voltage is applied to the heated polylactic acid sheet in the thickness direction of the polylactic acid sheet, and thereby the screw axes of at least a part of the polylactic acid molecules are relatively aligned with the thickness direction. Then the polylactic acid sheet is rapidly cooled, and thereby the polylactic acid molecules are immobilized. The same step is executed for other regions of the polylactic acid sheet, and thereby piezoelectricity is imparted to a wide area of the polylactic acid sheet in the thickness direction. The resultant piezoelectric sheet is capable of exhibiting a high piezoelectricity in the thickness direction. | 05-03-2012 |
20130057499 | TOUCH PANEL, AND TOUCH-TYPE INPUT APPARATUS AND CONTROL METHOD THEREFOR - A touch panel capable of detecting a pen and a finger, capable of corresponding to multi-touch, capable of detecting pressing force, and capable of reducing the use amount of a transparent electrode as much as possible. The touch panel has a piezoelectric sheet of poly-L-lactic acid having a predetermined stretching axial direction, electrodes that are opposed to each other and formed on the piezoelectric sheet do not cover the entire surface of the piezoelectric sheet and are formed so that they are discretely distributed in plural positions. The piezoelectric sheet is brought into the condition that tension is imparted in directions not coincident with the stretching axial direction. | 03-07-2013 |
20130108061 | PIEZOELECTRIC DEVICE | 05-02-2013 |
20130228463 | PIEZOELECTRIC SHEET, METHOD FOR MANUFACTURING PIEZOELECTRIC SHEET, AND MANUFACTURING APPARATUS - A specific region of a polylactic acid sheet is heated by a microwave. To allow the polylactic acid sheet to exhibit piezoelectricity in the thickness direction of the polylactic acid sheet, a high voltage is applied to the heated polylactic acid sheet in the thickness direction of the polylactic acid sheet, and thereby the screw axes of at least a part of the polylactic acid molecules are relatively aligned with the thickness direction. Then the polylactic acid sheet is rapidly cooled, and thereby the polylactic acid molecules are immobilized. The same step is executed for other regions of the polylactic acid sheet, and thereby piezoelectricity is imparted to a wide area of the polylactic acid sheet in the thickness direction. The resultant piezoelectric sheet is capable of exhibiting a high piezoelectricity in the thickness direction. | 09-05-2013 |
Patent application number | Description | Published |
20110069393 | OPTICAL ELEMENT, METHOD OF PRODUCING SAME, AND OPTICAL APPARATUS - An optical element comprising: a substrate having two surfaces each having a micro-relief structure that includes numerous fine protrusions; and a film that includes one or more layers including a metal layer and is formed on one of the micro-relief structure. | 03-24-2011 |
20110164635 | LASER DEVICE - A laser device includes a partially reflective mirror for separating laser light into monitor light and output light, a light output monitor device for detecting the intensity of the monitor light from the partially reflective mirror, a controller for controlling the intensity of the output light from the partially reflective mirror by controlling the output of a laser light source on the basis of a detection value of the light output monitor device, and a power meter device for detecting the intensity of the output light from the partially reflective mirror during a predetermined calibration time period, wherein the controller calibrates the output of the light output monitor device on the basis of a detection value of the power meter device. | 07-07-2011 |
20120287953 | LASER DEVICE - A laser device includes a partially reflective mirror for separating laser light into monitor light and output light, a light output monitor device for detecting the intensity of the monitor light from the partially reflective mirror, a controller for controlling the intensity of the output light from the partially reflective mirror by controlling the output of a laser light source on the basis of a detection value of the light output monitor device, and a power meter device for detecting the intensity of the output light from the partially reflective mirror during a predetermined calibration time period, wherein the controller calibrates the output of the light output monitor device on the basis of a detection value of the power meter device. | 11-15-2012 |
20140064307 | LASER DEVICE - A laser device includes a partially reflective mirror for separating laser light into monitor light and output light, a light output monitor device for detecting the intensity of the monitor light from the partially reflective mirror, a controller for controlling the intensity of the output light from the partially reflective mirror by controlling the output of a laser light source on the basis of a detection value of the light output monitor device, and a power meter device for detecting the intensity of the output light from the partially reflective mirror during a predetermined calibration time period, wherein the controller calibrates the output of the light output monitor device on the basis of a detection value of the power meter device. | 03-06-2014 |
Patent application number | Description | Published |
20110052221 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member for bearing a latent image; a developing device, including a developer carrying member for carrying and feeding a developer including toner and a carrier to a developing position in which the developer opposes the image bearing member, for developing the latent image formed on the image bearing member; a discharging portion for permitting discharge of an excessive developer present in the developing device by supplying the developer into the developing device; a feeding member for feeding the developer in the developing device; a controller for controlling a forced discharging operation for discharging the excessive developer from the discharging portion by changing a driving condition of at least one of the developer carrying member and the feeding member; and a detecting device for detecting information correlating to flowability of the developer in the developing device. The controller is capable of controlling the forced discharging operation on the basis of a detection result of the detecting device. | 03-03-2011 |
20130142527 | IMAGE FORMING APPARATUS - A developer supply device supplies a toner supply amount to a developing chamber based on an output of an inductance sensor. An elapsed time is set such that the toner supply amount is smaller with respect to the same output of the inductance sensor when the elapsed time after conveyance start of a developer according to an image formation start signal is less than a predetermined time until a surface level of the developer is stabilized than when the elapsed time is equal to or greater than the predetermined time. As the elapsed time approaches the predetermined time, a ratio at which the toner supply amount is set to be small with respect to the same output of the inductance sensor is reduced. | 06-06-2013 |
20130183052 | IMAGE FORMING APPARATUS - An image forming apparatus includes: an image bearing member; a developer carrying member; a first chamber for permitting feeding of the developer to the developer carrying member; a second chamber for forming a circulation path of the developer at end portions thereof, wherein the second chamber collects the developer from the developer carrying member at an opposing position; a screw member for feeding the developer contained in the first and second chambers; a supplying portion for supplying a developer; a discharging portion, provided in the circulation path, for causing an excessive developer to overflow; and a controller for controlling, on the basis of information on a first drive time from a start of rotation of the screw member to an end of a developing operation, a second drive time from the end of the developing operation to a stop of the rotation of the screw member. | 07-18-2013 |
20140044446 | IMAGE FORMING APPARATUS - An image forming apparatus is capable of executing, in non-image formation, for example, in a sheet-to-sheet interval, a developer bearing member stop mode in which the developer conveyance by a development sleeve is stopped. For example, the apparatus turns off primary transfer bias in the sheet-to-sheet interval. Even if fogging toner is no longer supplied after the development sleeve drive is stopped, the apparatus can reduce frictional force variation between the photosensitive drum and the intermediate transfer belt to prevent speed variation of the photosensitive drum or the intermediate transfer belt, thus reducing the possibility of image unevenness and out of color registration. | 02-13-2014 |
20140064757 | IMAGE FORMING APPARATUS - A representative configuration of the image forming apparatus according to the invention includes a photoreceptor drum, a primary charger, an exposure device, a development device, a detection unit that detects a density of the toner image, and forming a patch image with a plurality of different density levels, and being capable of performing a mode of correcting a tone density based on a density of the patch image, a controller that determines whether to perform the mode based on a first patch and a second patch, the first patch which is formed by charging, exposuring and performing development, the second patch which is formed by charging and performing development without substantially performing the exposure. | 03-06-2014 |