摘要:
According to one embodiment, an inkjet head includes a mask part which covers a periphery of an actuator part in a state where a nozzle hole is exposed to outside and a peripheral edge part of which is opposite to an opening peripheral edge part of a frame part at other end while a gap is kept, and the gap between the peripheral edge part of the mask part and the opening peripheral edge part of the frame part at the other end is sealed with a seal agent having thermal insulation properties.
摘要:
A method of readily producing a gradient optical element having infrared absorbing ability by easily forming a refractive index distribution in a desired portion of a glass substrate having infrared absorbing ability without requiring a specific treatment atmosphere nor using a molten salt.More specifically, the present invention provides a method for producing a gradient-index optical element having infrared absorbing ability, the method comprising applying a paste containing an organic resin, an organic solvent, and at least one compound selected from the group consisting of lithium compounds, potassium compounds, rubidium compounds, cesium compounds, silver compounds, copper compounds, and thallium compounds onto a glass substrate containing an alkali metal component, at least one member selected from the group consisting of iron, copper, cobalt and vanadium, and over 3 wt. % of iron, when contained singly among iron, copper, cobalt and vanadium, on an Fe2O3 basis, taking the total weight of the glass as 100 wt. %, and heating the glass substrate at a temperature below the softening temperature of the glass substrate.
摘要翻译:通过在不需要特定处理气氛的情况下容易地形成具有红外线吸收能力的玻璃基板的所需部分的折射率分布,容易地制造具有红外吸收能力的梯度光学元件的方法,也不使用熔融盐。 更具体地说,本发明提供了一种具有红外线吸收能力的梯度折射率光学元件的制造方法,该方法包括:将含有有机树脂,有机溶剂和至少一种选自锂化合物 ,钾化合物,铷化合物,铯化合物,银化合物,铜化合物和铊化合物在含有碱金属成分的玻璃基材上,选自铁,铜,钴和钒中的至少一种,以及超过3 重量 在铁,铜,钴和钒中单独含有铁,以Fe 2 O 3为基准,将玻璃的总重量计为100重量%。 %,并且在低于玻璃基板的软化温度的温度下加热玻璃基板。
摘要:
An image forming apparatus for producing a visible image on an image forming medium includes a photosensitive drum for carrying a latent image thereon, a developer for developing the latent image to form a developed image on the photosensitive drum, and a transferring drum for supporting the image forming medium and transferring the developed image onto the image forming medium. The image forming apparatus further includes a stepping motor, which has a plurality of exciting windings, for rotating the photosenstive drum, a driver for driving the stepping motor, and a controller for controlling the driver such that the plurality of exciting windings are switched to be excited in a prescribed manner, the controller periodically varying the switching time intervals for exciting the windings in correspondence to variations in the rotational speed of the stepping motor.
摘要:
The present invention provides a method for producing a distributed refractive index-type optical element which can be optically designed readily, enables to provide a desired optical element in a simple manner and has an ultraviolet ray-absorbing ability.The present invention provides a method for producing a distributed refractive index-type optical element having an ultraviolet ray-absorbing ability, which comprises of the steps of: applying a paste comprising at least one compound selected from the group consisting of a lithium compound, a potassium compound, a rubidium compound, a cesium compound, a silver compound, a copper compound and a thallium compound, an organic resin and an organic solvent onto a glass substrate comprising an alkali metal component and an ultraviolet ray-absorbing component as glass constituent components; and heat-treating the resulting substrate at a temperature lower than the softening point of the glass substrate.
摘要:
An ink jet head cleaning apparatus is provided which includes a wiping unit which performs a wiping operation for a nozzle surface of an ink jet head and a suction unit which performs a sucking operation for the nozzle surface. An operation OFF condition of the wiping unit and an operation OFF condition of the suction unit is detected, and the wiping unit and the suction unit are actuated selectively in accordance with the operation OFF condition thus detected. If an elapsed time after the wiping operation is longer than a first predetermined time, the wiping unit is actuated, and if an elapsed time after the sucking operation is longer than a second predetermined time, the suction unit is actuated. The first predetermined time is longer than the second predetermined time.
摘要:
A picture image forming system has a large and conspicuous display of stapling positions and thereby helps prevent an erroneous stapling position from being selected. The picture image forming system includes a picture image forming system body for forming a picture image on the basis of an inputted picture signal and for reading image data including the orientation and size of an original to be copied, using a picture image reader. The picture image forming system also includes an operating part for displaying a picture image of only one type of original so as to include a vertical or horizontal orientation and for displaying a plurality of selectable stapling positions on the picture image of only one type of original in layers. The operating part reads one or more stapling positions selected from the plurality of selectable stapling positions. The picture image forming system further includes a stapler for binding a plurality of copied sheets on the basis of information about the selected stapling positions.
摘要:
A color copying machine includes a plurality of image forming sections having rotatable photoconductive drums, respectively. One of the drums, which is used for forming images in black, is rotated by a first drum drive motor, and the other drums are rotated by a second drum drive motor. A plurality of transfer devices are arranged to oppose the image carriers, respectively. A paper sheet is sequentially moved to positions opposing the drums and clamped between the drums and transfer rollers so as to transfer images on the drum to the paper sheet. When a image formation is performed by using the image forming section for black, the first drive motor is operated and the second motor is stopped. The transfer rollers opposing the drums for other than black are moved to positions wherein these transfer rollers are away from the corresponding drums.
摘要:
An image formation cartridge employed to a printer includes a movable image formation sheet supported between a pair of rotatable shafts, a rotatable ink applying roller unit contacting the image formation sheet and an ink feeding unit for feeding ink from an ink storing container to the ink applying roller unit. The image formation sheet may be wound on one of the pair of rotatable shafts as the shafts rotate in the same direction. Ink may continuously be applied to the image formation sheet through the ink feeding unit and the ink applying roller unit as the shafts rotate.
摘要:
According to one embodiment, a printing apparatus includes an ink-jet head including a nozzle plate with a nozzle string in which a plurality of nozzle holes for discharging ink are arranged, and a cleaning device including an ink-repellent surface with ink repellency which is configured to come in contact with the nozzle plate in a state in which the ink-repellent surface is opposed to the ink-jet head, an ink-affinitive surface with ink affinity which is configured to create a gap between the ink-affinitive surface and the nozzle plate in a state in which the ink-repellent surface is in contact with the nozzle plate, and to have a smaller ink contact angle than the ink-repellent surface, and a plurality of suction ports formed in the ink-affinitive surface.
摘要:
An ink jet recording head maintenance apparatus of this invention is provided with a plurality of wiping members having different wiping forces to remove residual ink or foreign substances from the nozzle face of the nozzle plate of the recording head. When performing wiping operation, the optimum wiping member is selected from among the plurality of wiping members in accordance with a change in the kind of adhering substances and adhering condition. It is therefore possible to select the optimum wiping member and achieve a good wiping effect without increasing the number of counts of wiping operation.