摘要:
A method for manufacturing an ejection element substrate, which is provided with a flow-channel-forming member having an ejection orifice for ejecting a liquid and a liquid flow channel that is communicated with the ejection orifice, a substrate having a supply port for supplying the liquid to the liquid flow channel, and a filter structure formed in the bottom of the supply port, includes: forming the supply port by forming a through-hole by etching the substrate from a second face of the substrate on the side opposite to a first face of the substrate, on which the flow-channel-forming member is disposed; providing a resinous protection film on the side face and the bottom of the supply port; and forming a minute opening in the resinous protection film in the bottom of the supply port by carrying out a laser processing from the side of the second face.
摘要:
“A high-molecular compound or high-molecular antioxidant obtained by reacting at least three compounds of (A) a sulfur-containing organic compound having at least two active hydrogen atoms, (B) a polyisocyanate compound having at least two isocyanate groups and (C) an amine compound having at least two active hydrogen atoms and then cationizing with an acid at least some of amino groups in a resultant reaction product” or “a high-molecular antioxidant obtained by reacting at least three compounds of (A) a sulfur-containing organic compound having at least two active hydrogen atoms, (B) a polyisocyanate compound having at least two isocyanate groups and (E) a nonionic polyol compound having at least two active hydrogen atoms” and a recording medium obtained by using the high-molecular antioxidant. The present invention provides a recording medium, which effectively prevents discoloration or color fading of images by acidic gas in the atmosphere and light and also migration of the images at high temperature and high humidity, and therefore, is suited for the long-term storage of the images.
摘要:
A method for processing a substrate includes preparing a substrate having a first layer on a first surface side thereof, the first layer having a material capable of suppressing transmission of laser light, processing the substrate with laser light from a second surface that is opposite the first surface of the substrate toward the first surface of the substrate, and allowing the laser light to reach the first layer to form a hole in the substrate, and performing etching of the substrate from the second surface through the hole.
摘要:
A printer which enables flexible printing control to be performed in conformity with the capacity of a memory installed to satisfy the requirements of a user. In this printer, it is first determined whether the additional memory has been installed or not. Then, the printer further examines the total available capacity of the basic memory and additional memory based upon results of the determination, compares the total capacity with an amount of data necessary to perform printing by a single scan using all ink discharge nozzles of a printhead, decides, based upon the results of the comparison, the capacity of a buffer memory for temporarily storing printing data to be transferred to the printhead, and decides to change resolution in the scanning direction or whether to perform printing by multiscan printing using the buffer memory having the capacity decided or perform printing in which printing using all ink discharge nozzles of the printhead is completed by a single scan of the printhead.
摘要:
A printer having mechanically-assisted ink droplet separation and method of using same, for separating an ink meniscus from an ink nozzle orifice while clearing-away particulate matter from about the orifice. In a preferred embodiment of the invention, a heater surrounds an orifice formed by the nozzle, the orifice having an ink meniscus residing therein. As the heater heats the ink meniscus, surface tension of the ink meniscus decreases, thereby causing the ink meniscus to extend outwardly from the orifice to define an extended ink meniscus. A cutter, which is disposed near the orifice, includes a plate member disposed opposite an outside surface of the nozzle so as to define a passage between the outside surface and the plate member. The plate member has an opening aligned with the orifice and in communication with the passage. A gas pressure regulator in communication with the passage supplies pressurized gas into the passage, which gas flows along the passage an through the opening. As the gas flows through the opening, it impinges the extended ink meniscus to separate the extended ink meniscus from the orifice. As the extended ink meniscus separates from the orifice, it forms an ink droplet that travels to a receiver medium, so that an ink spot is placed onto the receiver medium. Moreover, as the gas flows through the opening, the gas clears-away particulate matter from about the orifice.
摘要:
A microfluidic printing apparatus includes at least one ink reservoir; a structure defining a plurality of chambers arranged so that the chambers form an array with each chamber being arranged to form an ink pixel; a plurality of microchannels connecting the reservoir to a chamber; and a plurality of microfluidic pumps each being associated with a single microchannel for supplying ink from an ink reservoir through a microchannel for delivery to a particular chamber. The printing apparatus provides an electrical signal representing the orientation of the printing apparatus; and control circuit responsive to the electrical signal and for controlling the microfluidic pumps for causing an array of pixels to be printed when the microfluidic pumps supply ink through the microchannels to the chambers so that the correct amount of ink is delivered into each chamber.
摘要:
A motor drive controlling apparatus in an image forming apparatus for effecting recording with a member to be conveyed being conveyed with a servo-motor as a drive source is provided with a conveying roller for driving an endless belt for conveying the member to be conveyed, a first encoder for detecting the rotational speed of the servo-motor for driving the conveying roller, and a second encoder for detecting the rotative operating position of the conveying roller, and feedback speed control for speed control is effected on the basis of the output signal of the first encoder and feedback position control for the control of the rotative operating position of the conveying roller is effected on the basis of the output signal of the second encoder.
摘要:
The channels through which ink flows to the firing chambers of an ink-jet printhead are provided with selectively controlled valves for restricting flow at specified times for reducing blowback from the firing chamber while decreasing the turn on energy of the printhead.
摘要:
An ink supply for an ink-jet printer is provided with a main reservoir, which is typically maintained at ambient pressure. The main reservoir is coupled to a variable volume chamber via a one-way valve which allows the flow of ink from the reservoir to the chamber and prevents the flow of ink from the chamber to the reservoir. The chamber is coupled to a fluid outlet which is normally closed to prevent the flow of ink. However, when the ink supply is installed in a printer, the fluid outlet establishes a fluid connection between the chamber and the printer. The chamber is part of a pump provided with the ink supply that can be actuated to supply ink from the reservoir to the printer.
摘要:
A lathe bed scanner having a lead screw that is substantially prevented from axial movement, the scanner comprises a first magnet integrally attached to the lead screw. A second magnet disposed opposite said first magnet for attracting the first magnet, which attraction permits the first magnet to prevent axial movement of the lead screw. A ball bearing disposed between both the first magnet and the second magnet for permitting the lead screw to rotate while maintaining the prevention of axial movement.