Patent application number | Description | Published |
20100123760 | LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE METHOD - A liquid discharge head includes: a discharge port from which a liquid is discharged; a channel that communicates with the discharge port; and an energy generating element that is provided in the channel and generates energy used to discharge the liquid from the discharge port, wherein the channel includes a first inlet path supplying the liquid to the energy generating element; a second inlet path supplying the liquid to the energy generating element from a direction opposite to a direction in which the first inlet path supplies the liquid; and a outlet path allowing the liquid supplied to the energy generating element to run out. | 05-20-2010 |
20100201744 | INKJET RECORDING HEAD - A liquid jet recording head includes a substrate including a plurality of discharge energy generating elements, and a plurality of ink supply ports positioned along an array direction of the plurality of discharge energy generating elements and separated from each other by beams, a plurality of ribs supported by the beams, and an orifice plate supported by the plurality of ribs, wherein the orifice plate includes discharge ports for discharging liquid droplets which enter from the plurality of ink supply ports and is provided with discharge energy by the plurality of discharge energy generating elements. | 08-12-2010 |
20100201754 | INK JET PRINT HEAD - An ink jet print head is provided which can improve throughput by increasing an ink ejection frequency and prevent crosstalk among a plurality of heat application portions, realizing a capability of printing high-quality images at high speed. An opening size of the supply ports in a direction perpendicular to the array direction of the heat application portions is made greater than the length in the direction of electrothermal conversion elements. The supply ports are arranged along the array direction so that they adjoin the heat application portions in the array direction. | 08-12-2010 |
20100208010 | LIQUID JET RECORDING HEAD AND LIQUID SUPPLY METHOD - A liquid jet recording head includes liquid discharge ports, pressure chambers, and a substrate which has the discharge energy generating element, a liquid chamber for storing a liquid supplied to the pressure chamber, a pair of paths which are separated from the liquid chamber, and a liquid supply port communicating with the liquid chamber. A liquid inlet port communicating with one path of the pair of paths and a liquid outlet port communicating with the other path of the pair of paths are opened on one surface of the substrate. A liquid flow path for discharging the liquid from the liquid chamber to the pressure chamber via the liquid supply port, and a liquid flow path for circulating the liquid from the one path to each pressure chamber via the liquid inlet port, and further from each pressure chamber to the other path via the liquid outlet port are provided. | 08-19-2010 |
20130088547 | INK JET PRINT HEAD - An ink jet print head is provided which can improve throughput by increasing an ink ejection frequency and prevent crosstalk among a plurality of heat application portions, realizing a capability of printing high-quality images at high speed. An opening size of the supply ports in a direction perpendicular to the array direction of the heat application portions is made greater than the length in the direction of electrothermal conversion elements. The supply ports are arranged along the array direction so that they adjoin the heat application portions in the array direction. | 04-11-2013 |
20130187987 | LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING SAME - A method of manufacturing a liquid ejection head includes the steps of ( | 07-25-2013 |
20140327721 | LIQUID EJECTION HEAD AND INKJET PRINTING APPARATUS - A liquid ejection head capable of more efficiently ejecting ink and an inkjet printing apparatus are provided. The liquid ejection head has a block member which surrounds at least a part of an effective bubble-generating region involved with heat generation in a heat-generating element and which is formed so as to protrude from the heat-generating element in a direction in which a liquid is ejected. The block member is arranged in a position where a distance of a position of an inner end part from an outer end part of the effective bubble-generating region is +2 μm or less, with an outward direction being set to be positive. | 11-06-2014 |
Patent application number | Description | Published |
20090037942 | DISK DEVICE - A disk device includes a disk tray, a spindle motor, a chucking section, a loading motor, a tray-in switch, a tray-out switch and a loading motor drive voltage generating section. The loading motor drive voltage generating section generates a drive voltage for the loading motor so that a torque of the loading motor is gradually increased after the tray-out switch detects that the disk tray is not located at a predetermined range between an eject position and a retract position until the tray-in switch detects that the disk tray is located at the retract position. | 02-05-2009 |
20090308624 | Screw tightening axial force control method using impact wrench - Conventionally, as screw tightening axial force control, there is a control method such as a torque control method. The torque control method requires estimation of a torque coefficient, and has a problem that a calculated axial force value is an estimated value. An object of the present invention is to provide a method for directly controlling an axial force by calculating the axial force generated by an impact force by using an impact wrench. A 45-degree slant line is set from an origin O of orthogonal coordinate axes to be used for screw tightening axial force control, an impact progress point H | 12-17-2009 |
20120204194 | DRIVE DEVICE FOR OPTICAL DISC APPARATUS - A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup; support pieces projecting from the tooth body toward a lead screw; resin spring pieces extending from the support pieces in a direction orthogonal to the axial direction of the lead screw; a plate part formed in a direction parallel to the axial direction of the lead screw from the resin spring pieces; meshing cogs formed on the plate part on the side near the lead screw; a cover projecting above the lead screw from the plate part disposed above the meshing cogs, straddling the lead screw, and bending sharply downward at the distal end; and a handle projecting from the tooth body. | 08-09-2012 |
20120204195 | DRIVE DEVICE FOR OPTICAL DISC APPARATUS - A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup, two support pieces projecting from the tooth body toward a lead screw, two resin spring pieces provided with a base part on the projecting end of each of the support pieces and extending in a direction orthogonal to the axial direction of the lead screw, a plate part having a base part on the extending ends of the resin spring pieces and formed in a direction parallel to the axial direction of the lead screw, meshing cogs formed on the plate part on the side near the lead screw, and a linking part formed across the space between the resin spring pieces. | 08-09-2012 |
20120204196 | DRIVE DEVICE FOR OPTICAL DISC APPARATUS - A drive device for an optical disc apparatus comprising: a lever arm for supporting a traverse chassis while allowing the traverse chassis to be raised and lowered; and a cam slider in cam engagement with the lever arm, the cam slider moving in a direction substantially orthogonal to a movement direction of the lever arm to cause the lever arm to move up and down; wherein the lever arm is provided with a boss projecting toward the cam slider, and a supported part supported by the cam slider in a chucked position of an optical disc; and wherein the cam slider is provided with a groove in engagement with the boss, and a support part for supporting the supported part in the chucked position of the optical disc. | 08-09-2012 |
20120204198 | DRIVE DEVICE FOR OPTICAL DISC APPARATUS - A drive device for an optical disc apparatus, comprising: a traverse chassis; a vertically moving lever arm for covering part of the lower surface of the traverse chassis and supporting the traverse chassis; a first circuit board disposed on the upper surface of the traverse chassis; a second circuit board disposed on the lower surface of the traverse chassis; and a flexible cable that passes between the traverse chassis and the lever arm, is connected by one end thereof to the first circuit board, and is connected by the other end thereof to the second circuit board; wherein an opening that has a greater width than the width of the flexible cable is provided to a section of the lever arm in contact with the flexible cable. | 08-09-2012 |
20120324486 | OPTICAL DISC DEVICE - An optical disc device comprises a disc clamper. The disc clamper is provided with: a first member provided with a first circular disc, and with a plurality of upstanding pieces formed with predetermined spaces therebetween along a circle concentric to the first circular disc, the upstanding pieces having an engaging claw at the distal end thereof; and a second member provided with a second circular disc in which are formed a plurality of through-holes into which the plurality of upstanding pieces are inserted, and with a plurality of peripheral walls formed with predetermined spaces therebetween along a circle concentric to the second circular disc. Rotation in a state where the upstanding pieces have been inserted into the through-holes through the spaces between the peripheral walls causes the engaging claws to engage the peripheral walls. | 12-20-2012 |
20130227593 | DISK DEVICE - In a disk device, a disk is held between a flap and a conveyance roller conveying the disk into a loader chassis. The loader chassis includes a lid panel including a spring seat to which a holddown spring that presses the flap toward the conveyance roller is attached. The spring seat includes an L-shaped frame including a support panel (formed at an edge of an opening,) and a support shaft panel perpendicularly bent from an end of the support panel, the L-shaped frame being pulled to rise toward the flap by bending the support panel. A sloped guide edge is formed by cutting an end side of a lid-panel-side edge of the support shaft panel including a stopper portion and a support shaft main body. A coil portion of the holddown spring is moved along the sloped guide edge to be fitted onto the support shaft main body. | 08-29-2013 |
Patent application number | Description | Published |
20110239941 | EVAPORATION APPARATUS - Provided is an evaporation apparatus which reduces deformation of a mask, improves adhesion between a substrate and an evaporation mask, and improves accuracy of dividing a region on which a film is to be formed and a region on which the film is not to be formed. The evaporation apparatus includes a pressing mechanism for pressing a film forming substrate disposed on an evaporation mask including a magnetic material against the evaporation mask. The pressing mechanism includes a magnet for attracting the mask toward at least a corner portion of the film forming substrate. | 10-06-2011 |
20120107506 | FILM FORMATION METHOD AND FILM FORMATION APPARATUS - Provided is a film formation apparatus capable of causing a substrate and a mask to be in a substantially horizontal state and brought into intimate contact with each other without deforming mask apertures. A region inside a mask frame and outside aperture regions of a mask on a rear surface of a substrate is pressed by a pressing body in lines along two opposing sides of the substrate. | 05-03-2012 |
20120114833 | FILM FORMATION APPARATUS AND FILM FORMATION METHOD - A film formation apparatus includes a film formation source, a quartz oscillator for measurement, and a quartz oscillator for calibration. When a thin film is formed on an object, a film forming material is heated in the source to release vapors thereof. The quartz oscillator for measurement measures the amount of the film forming material formed on the object, while the quartz oscillator for calibration calibrates the quartz oscillator for measurement. A moving part for moving the film formation source between a predetermined film formation waiting position and a predetermined film forming position with respect to the film formation object is further provided, the moving part holds the quartz oscillator for measurement so that its relative position with respect to the film formation source is maintained, and the quartz oscillator for calibration is provided above the moving part when the moving part is at the film formation waiting position. | 05-10-2012 |
20120114837 | FILM FORMATION APPARATUS AND FILM FORMATION METHOD - Provided are a film formation apparatus and a film formation method which may control with accuracy the thickness of a thin film formed on the film formation object. A film formation apparatus includes a moving part (film formation source unit) for moving a film formation source between a predetermined film formation waiting position and a predetermined film forming position is provided, and the moving part holds a quartz oscillator for measurement and a quartz oscillator for calibration so that their relative positions with respect to the film formation source are maintained. And a calibration step for calibrating a monitored value of the quartz oscillator for measurement, using a monitored value of the quartz oscillator for calibration, is performed in a middle of the film forming step of forming the film on the film formation object. | 05-10-2012 |
20120114838 | FILM FORMATION APPARATUS - A film formation apparatus includes a film formation source, a quartz oscillator for measurement, and a quartz oscillator for calibration. When a thin film of a film forming material is formed on a film formation object, the film forming material is heated in the film formation source to release vapors thereof. The quartz oscillator for measurement measures the amount of the film forming material formed on the film formation object, while the quartz oscillator for calibration calibrates the quartz oscillator for measurement. In the film formation apparatus, there are further provided a moving part for moving the film formation source between a predetermined film formation waiting position and a predetermined film forming position with respect to the film formation object and a temperature control part for controlling a temperature of the quartz oscillator for measurement and a temperature of the quartz oscillator for calibration to be substantially the same. | 05-10-2012 |
20120114839 | VACUUM VAPOR DEPOSITION SYSTEM - Provided is a vacuum vapor deposition system, which enables a vapor deposition rate to be measured accurately and a film thickness to be controlled with higher accuracy. The vacuum vapor deposition system includes: a vacuum chamber; a substrate holding mechanism; a vapor depositing source; a film thickness sensor for monitoring; a control system including a temperature controller and a film thickness controller; and a film thickness sensor for calibration, in which a distance from one film thickness sensor whose measurement accuracy is to be enhanced, out of the film thickness sensor for monitoring and the film thickness sensor for calibration, to a center of the opening of the vapor depositing source, is smaller than a distance from another film thickness sensor to the center of the opening of the vapor depositing source. | 05-10-2012 |
20120114840 | VACUUM VAPOR DEPOSITION SYSTEM - Provided is a vacuum vapor deposition system including: a vapor depositing source; a film thickness sensor for monitoring; and a film thickness sensor for calibration, in which a distance L | 05-10-2012 |