Patent application number | Description | Published |
20090047043 | IMAGE-FORMING METHOD, MAGNETIC TONER, AND PROCESS UNIT - An image-forming method is provided which can provide stable image density irrespective of use environments and does not cause image defects such as fogging, tailing, or transfer voids, even when being applied to a developing sleeve with a reduced diameter. In the image-forming method, a latent image bearing member and a toner bearing member bearing a magnetic toner on its surface and having inside a unit for generating a magnetic field are placed with a predetermined interval, and an alternating field is applied between the latent image bearing member and the toner bearing member, and an electrostatic latent image borne by the latent image bearing member is developed with the magnetic toner. The toner bearing member has a specific diameter, and the magnetic toner has a specific circularity and a specific compressibility. The total energy of the toner measured with a powder flowability measuring apparatus satisfies a specific value. | 02-19-2009 |
20090092919 | MAGNETIC TONER - To provide a magnetic toner which has superior low-temperature fixing performance and pressure roller anti-staining properties even in various forms of use, has been kept from image defects such as image non-uniformity even during long-time image reproduction and can achieve high-level image quality. In a magnetic toner having toner particles containing at least a binder resin and a magnetic material, the activation energy Ea (kJ/mol) that is determined from a shift factor aT | 04-09-2009 |
20090117477 | MAGNETIC TONER AND IMAGE-FORMING METHOD - To solve a thin image density and sweeping occurring when a toner carrying member having a small diameter is used, provided is an image-forming method including: a charging step; an electrostatic latent image-forming step; a developing step; a transferring step; and a fixing step, in which a magnetic toner to be used in the method has a specific weight average particle diameter (D4); the magnetic toner has a specific intensity of magnetization in a specific magnetic field; and a surface free energy of a surface of the magnetic toner and a surface free energy of a surface of a toner carrying member to be used in the method satisfy specific relationships. | 05-07-2009 |
20090130580 | MAGNETIC TONER - In a magnetic toner which has magnetic toner base particles containing at least a binder resin and a magnetic material, and an inorganic fine powder, (i) the magnetic toner has an average circularity of from 0.950 or more to 1.000 or less, (ii) the magnetic toner has a compressibility of 30 or less, and (iii) the magnetic toner contains boron nitride particles having a median diameter (D50) of from 0.5 μm or more to 8.0 μm or less, as the inorganic fine powder in an amount of from 0.05 part by mass or more to 1.00 part by mass or less based on 100 parts by mass of the magnetic toner base particles. This provides a magnetic toner with which stable image density can be achieved without regard to service environment and which do not cause any image defects such as fog. | 05-21-2009 |
20090197192 | MAGNETIC TONER - A magnetic toner having magnetic toner particles containing at least a binder resin and a magnetic material, wherein, in the test of dissolution level of the magnetic material, the dissolution percentages S | 08-06-2009 |
20100028795 | TONER - In a toner containing at least a binder resin, a colorant, an ester compound and a low-melting material, the ester compound is an ester of dipentaerythritol with a carboxylic acid having 18 or more to 25 or less carbon atoms, and, where the melting point of the ester compound is represented by Tm | 02-04-2010 |
20100266943 | MAGNETIC TONER - To provide a toner excellent in low-temperature fixability, releasing performance, and development stability in long-term use under a high-temperature and high-humidity environment, provided is a magnetic toner including: magnetic toner particles each containing at least a binder resin and a magnetic particles; and an inorganic fine powder, in which: the magnetic particles is a treated magnetic particles treated with a silane compound; the treated magnetic particles has a water adsorption per unit area based on a BET specific surface area of 0.300 mg/m | 10-21-2010 |
20110294056 | MAGNETIC TONER - A magnetic toner has magnetic toner particles, each of the magnetic toner particles containing a binder resin and a magnetic material, and an inorganic fine powder. The magnetic material is prepared by treating the surface of magnetic iron oxide with a silane compound. When the magnetic iron oxide is dispersed in an aqueous solution of hydrochloric acid and dissolved until the dissolution proportion of the iron element reaches 5% by mass based on the total amount of the iron element contained in the magnetic iron oxide, the amount of silicon eluted by that point of time is 0.05% by mass or more and 0.50% by mass or less based on the magnetic iron oxide. The magnetic material has a moisture adsorption amount per unit area of 0.30 mg/m | 12-01-2011 |
20110311910 | TONER - To provide a toner which can achieve both low-temperature fixing performance and dot reproducibility and further can obtain images on which any density non-uniformity has been kept from coming about, the toner has toner particles, each of the toner particles has a toner base particle containing a binder resin, a colorant and a release agent, and an inorganic fine powder; the toner having:
| 12-22-2011 |
20130143154 | TONER - A toner with good low-temperature fixability even in light-pressure type fixing units, which causes no contamination of fixing films and provides images having stable image densities and excellent image quality after long-term use. The toner includes a toner particle containing a binder resin, a coloring agent, a release agents (a) and (b) The release agent (a) is a monofunctional or bifunctional ester wax; the release agent (b) is a hydrocarbon wax; a solubility of the release agent (a) into the binder resin is higher than that of the release agent (b). When tetrahydrofuran-soluble components of the toner are subjected to GPC, a proportion of components having a molecular weight of 500 or less is 2.5 area % or less. When the tetrahydrofuran-soluble components at 25° C. are subjected to SEC-MALLS, a weight-average molecular weight Mw thereof is 5,000-100,000, and the Mw and the radius of gyration Rw thereof satisfy 5.0×10 | 06-06-2013 |
20130164671 | DEVELOPING APPARATUS AND DEVELOPING METHOD - An object of the present invention is to provide a developing apparatus which is less affected by usage environments, has high development efficiency for long term use and can provide a high quality image without image density non-uniformity. | 06-27-2013 |
20140302433 | MAGNETIC TONER - A magnetic toner contains magnetic toner particles containing a binder resin and a magnetic body, and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain metal oxide fine particles, the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles, when a coverage ratio A (%) is a coverage ratio of the magnetic toner particles' surface by the inorganic fine particles and a coverage ratio B (%) is a coverage ratio of the magnetic toner particles' surface by the inorganic fine particles that are fixed to the magnetic toner particles' surface, the magnetic toner has a coverage ratio A and a coverage ratio B/coverage ratio A in prescribed ranges, wherein the magnetic toner has a dielectric constant ∈ and a dielectric loss tangent in prescribed ranges. | 10-09-2014 |
20140315125 | MAGNETIC TONER - The magnetic toner contains magnetic toner particles containing a binder resin and a magnetic body, and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles comprise metal oxide fine particles, wherein the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles. In addition, the coverage ratio of the magnetic toner particle surface by the inorganic fine particles resides in a prescribed range for this magnetic toner; the binder resin is a styrene resin; the weight-average molecular weight and radius of gyration of the magnetic toner reside in a prescribed relationship; and the viscosity of the magnetic toner at 110° C. resides in a prescribed range. | 10-23-2014 |
20140315126 | MAGNETIC TONER - The magnetic toner includes magnetic toner particles comprising a binder resin and a magnetic body and inorganic fine particles present on the surface of the magnetic toner particles, wherein | 10-23-2014 |
20140322639 | MAGNETIC TONER - A magnetic toner contains magnetic toner particles containing a binder resin, a release agent, and a magnetic body and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain metal oxide fine particles, the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles, the coverage ratio of the magnetic toner particles' surface by the inorganic fine particles and the coverage ratio by the inorganic fine particles fixed to the magnetic toner particles' surface reside in a prescribed relationship, the binder resin contains a polyester resin, the release agent contains an ester compound, and an endothermic peak for the magnetic toner has a prescribed value. | 10-30-2014 |
20140322640 | MAGNETIC TONER - A magnetic toner containing: magnetic toner particles containing a binder resin and a magnetic body; and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain silica fine particles and alumina fine particles and/or titania fine particles; a coverage ratio A of the magnetic toner particles' surface by the inorganic fine particles each of which has a particle diameter of from 5 nm to not more than 50 nm and a coverage ratio B of the magnetic toner particles' surface by the inorganic fine particles each of which has a particle diameter of from at least 5 nm to not more than 50 nm and is fixed to the magnetic toner particles' surface, have prescribed values and a prescribed relationship in the magnetic toner; and alumina fine particles and/or titania fine particles each of which has a particle diameter of from at least 100 nm to not more than 800 nm is present on the surface of the magnetic toner particles at from at least 1 particle to not more than 150 particles, as the sum of the two, per magnetic toner particle. | 10-30-2014 |
20140335449 | MAGNETIC TONER - A magnetic toner including: magnetic toner particles containing a binder resin, a magnetic body, and a release agent; and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain metal oxide fine particles, the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles, wherein the magnetic toner has a coverage ratio A of the magnetic toner particles' surface by the inorganic fine particles and a coverage ratio B of the magnetic toner particles' surface by the inorganic fine particles fixed to the magnetic toner particles' surface that reside in prescribed numerical value ranges; the binder resin contains a styrene resin; the release agent contains a monoester compound or a diester compound; and the softening temperature and softening point of the magnetic toner reside in prescribed temperature ranges. | 11-13-2014 |
20140335450 | MAGNETIC TONER - A magnetic toner is provided that exhibits an excellent electrostatic offset resistance both initially and after long-term use. The magnetic toner contains: magnetic toner particles containing a binder resin and a magnetic body; and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain a prescribed metal oxide fine particle in a prescribed proportion; the magnetic toner has prescribed numerical value ranges for a coverage ratio A of the magnetic toner particle surface covered by the inorganic fine particles and for a coverage ratio B by the inorganic fine particles that are fixed to the magnetic toner particle surface; the magnetic toner particle contains a crystalline polyester; and measurement of the magnetic toner with a differential scanning calorimeter provides a characteristic differential scanning calorimetric curve. | 11-13-2014 |
20140342277 | MAGNETIC TONER - The magnetic toner contains: magnetic toner particles containing a binder resin and a magnetic body; and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles comprise strontium titanate fine particles and metal oxide fine particles, and the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles. In addition, the magnetic toner has a characteristic state of coverage, by the inorganic fine particles, of the magnetic toner particle surface, and the ratio [D | 11-20-2014 |
20140342278 | MAGNETIC TONER - A magnetic toner includes: magnetic toner particles containing a binder resin and a magnetic body; and inorganic fine particles that are present on the surface of the magnetic toner particles and are not a magnetic iron oxide and magnetic iron oxide particles that are present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain metal oxide fine particles, the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles; when a coverage ratio A (%) is a coverage ratio of the magnetic toner particles' surface by the inorganic fine particles and a coverage ratio B (%) is a coverage ratio of the magnetic toner particles' surface by the inorganic fine particles that are fixed to the magnetic toner particles' surface, the coverage ratio A and B/A satisfy prescribed ranges; and the magnetic iron oxide particles present on the magnetic toner particles' surface are from at least 0.10 mass % to not more than 5.00 mass % with respect to the total amount of the magnetic toner. | 11-20-2014 |
20140370431 | MAGNETIC TONER - A magnetic toner contains magnetic toner particles containing a binder resin, a release agent, and a magnetic body, and inorganic fine particles present on the surface of the magnetic toner particles, wherein a ratio of coverage of the magnetic toner particles' surface by the inorganic fine particles is in a prescribed range for the magnetic toner, the inorganic fine particles contain prescribed metal oxide fine particles, with at least 85 mass % of the metal oxide fine particles being silica fine particles, the coefficient of variation on the coverage ratio A is in a prescribed range, the binder resin contains a styrene resin, in a GPC measurement of a THF-soluble matter in the magnetic toner, a peak molecular weight (Mp) of a main peak is in a prescribed range, and a prescribed fatty acid ester compound is incorporated as a release agent. | 12-18-2014 |
20150064617 | TONER - A toner has toner particles including a binder resin, a colorant, an ester wax and a hydrocarbon wax; and inorganic fine particles. The ester wax includes an ester compound having a structure represented by formula (1): R | 03-05-2015 |
Patent application number | Description | Published |
20090002655 | Exposure apparatus, exposure method, and method for producing device - A liquid immersion exposure apparatus includes an optical member through which a substrate is exposed with an exposure beam, and a liquid supply system having a supply port from which a liquid is supplied. The liquid supply system supplies the liquid from the supply port to a space between the optical member and the substrate during the exposure. The optical member has a lyophobic surface which is lyophobic for the liquid. | 01-01-2009 |
20090015807 | Exposure apparatus and device manufacturing method - An immersion lithographic system for patterning a work piece arranged at an image plane and covered at least partly with a layer sensitive to electromagnetic radiation, includes: a source emitting electromagnetic radiation onto an object plane; a mask arranged at the object plane to relay the electromagnetic radiation toward the work piece; and an immersion medium contacting at least a portion of an immersion optics of the lithographic system and a portion of the work piece. The immersion medium is supplied through at least one orifice arranged in the immersion optics. | 01-15-2009 |
20090015808 | Exposure method, substrate stage, exposure apparatus, and device manufacturing method - An exposure apparatus exposes a substrate by projecting a pattern image onto the substrate through a liquid. The exposure apparatus includes a projection optical system by which the pattern image is projected onto the substrate, and a movable member which is movable relative to the projection optical system. A liquid-repellent member, at least a part of a surface of which is liquid-repellent, is provided detachably on the movable member, the liquid-repellent member being different from the substrate. | 01-15-2009 |
20090015816 | Exposure method, substrate stage, exposure apparatus, and device manufacturing method - An exposure apparatus exposes a substrate by projecting a pattern image onto the substrate through a liquid. The exposure apparatus includes a projection optical system by which the pattern image is projected onto the substrate, and a movable member which is movable relative to the projection optical system. A liquid-repellent member, at least a part of a surface of which is liquid-repellent, is provided detachably on the movable member, the liquid-repellent member being different from the substrate. | 01-15-2009 |
20090079950 | Exposure apparatus, exposure method, and method for producing device - A liquid immersion exposure apparatus includes an optical member through which an exposure beam passes, a flow passage in which a liquid flows, the flow passage being in fluidic communication with a space between the optical member and an object opposite to the optical member, and an opening at which a plurality of slits are provided, and from which the liquid is supplied to the space through the flow passage. | 03-26-2009 |
20110051106 | Exposure apparatus and device manufacturing method - An exposure apparatus illuminates a pattern with an energy beam and transfers the pattern onto a substrate via a projection optical system. The exposure apparatus includes a substrate stage on which the substrate is mounted that moves within a two-dimensional plane holding the substrate. In addition, a supply mechanism supplies liquid to a space between the projection optical system and the substrate on the substrate stage. In addition, at least one bubble recovery mechanism recovers bubbles in the liquid in an upstream side of the liquid flow with respect to the projection optical system. | 03-03-2011 |
20110279794 | Exposure apparatus and device manufacturing method - An exposure apparatus illuminates a pattern with an energy beam and transfers the pattern onto a substrate via a projection optical system. The exposure apparatus includes a substrate stage, a supply mechanism, a recovery mechanism and an auxiliary recovery mechanism. The substrate stage mounts the substrate and moves within a two-dimensional plane while holding the substrate. The supply mechanism supplies liquid to a space between the projection optical system and the substrate on the substrate stage. The recovery mechanism recovers the liquid, and the auxiliary recovery mechanism recovers the liquid which could not be recovered by the recovery mechanism. | 11-17-2011 |
20130135597 | EXPOSURE APPARATUS, METHOD FOR PRODUCING DEVICE, AND METHOD FOR CONTROLLING EXPOSURE APPARATUS - A liquid immersion exposure apparatus includes a movable member having a substrate holder and a surface disposed adjacent to the substrate holder, the surface capable of positioning under a projection optical system. A liquid immersion system has a supply path and a recovery path. The liquid immersion system supplies the liquid to a space between the projection optical system and the surface via the supply path and recovers the supplied liquid of a liquid immersion area formed under the projection optical system via the recovery path. A controller stops a supply of the liquid to the space under the projection optical system by the liquid immersion system on receipt of a signal indicating the occurrence of an abnormality. The abnormality causes a possibility of leakage due to at least a part of the supplied liquid not being recovered via the recovery path and outflowing from the liquid immersion area. | 05-30-2013 |
20130141701 | EXPOSURE METHOD, SUBSTRATE STAGE, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD - An exposure apparatus exposes a substrate by projecting a pattern image onto the substrate through a liquid. The exposure apparatus includes a projection optical system by which the pattern image is projected onto the substrate, and a movable member which is movable relative to the projection optical system. A liquid-repellent member, at least a part of a surface of which is liquid-repellent, is provided detachably on the movable member, the liquid-repellent member being different from the substrate. | 06-06-2013 |
20130141703 | EXPOSURE METHOD, SUBSTRATE STAGE, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD - An exposure apparatus exposes a substrate by projecting a pattern image onto the substrate through a liquid. The exposure apparatus includes a projection optical system by which the pattern image is projected onto the substrate, and a movable member which is movable relative to the projection optical system. A liquid-repellent member, at least a part of a surface of which is liquid-repellent, is provided detachably on the movable member, the liquid-repellent member being different from the substrate. | 06-06-2013 |
20140233002 | EXPOSURE APPARATUS, METHOD FOR PRODUCING DEVICE, AND METHOD FOR CONTROLLING EXPOSURE APPARATUS - A liquid immersion exposure apparatus includes a projection system, a liquid supply inlet, a liquid collection outlet, a separator fluidically connected to the liquid collection outlet, the separator separating one of liquid and gas, which have been collected via the liquid collection outlet from the other, and a flow-meter configured to measure an amount of the liquid collected via the liquid collection outlet. | 08-21-2014 |