摘要:
A liquid discharge head substrate used for a liquid discharge head is adapted to discharge liquid by applying discharge energy to the liquid. The substrate is a semiconductor substrate including an energy conversion element for converting electric energy into the discharge energy and a function element made of a ferroelectric material.
摘要:
A liquid discharge head substrate used for a liquid discharge head adapted to discharge liquid by applying discharge energy to the liquid includes a semiconductor substrate provided with an energy conversion element for converting electric energy into discharge energy. The semiconductor substrate is further provided with a function element made of a ferroelectric material.
摘要:
A liquid discharge head comprises first and second substrates which are to be mutually adjoined to form plural liquid paths respectively communicating with plural discharge apertures. The first substrate is provided with energy conversion elements, for converting electrical energy into energy for discharging liquid in the liquid paths, respectively corresponding to the liquid paths. The second substrate is provided with detection elements, for detecting a state of the liquid in said liquid paths, respectively corresponding to the liquid paths, and amplification means for respectively amplifying outputs of said detection elements.
摘要:
A liquid discharge head comprises first and second substrates which are to be mutually adjoined to form plural liquid paths respectively communicating with plural discharge apertures. The first substrate is provided with energy conversion elements, for converting electrical energy into energy for discharging liquid in the liquid paths, respectively corresponding to the liquid paths. The second substrate is provided with detection elements, for detecting a state of the liquid in said liquid paths, respectively corresponding to the liquid paths, and amplification means for respectively amplifying outputs of said detection elements.
摘要:
The present invention provides a liquid discharge head comprising a plurality of discharge ports for discharging liquid, first and second substrates for defining a plurality of liquid flow paths communicated with the discharge ports, and a plurality of energy converting elements disposed in the liquid flow paths and adapted to convert electrical energy into discharge energy for liquids in the liquid flow paths, wherein sensors for detecting behavior of the liquid are provided in the respective liquid flow paths as solid structure portions protruded from walls of the liquid flow paths.
摘要:
There is provided a liquid discharge head including a substrate, a ceiling plate connected to the substrate, a liquid flow path formed between the substrate and the ceiling plate, and a cantilever-like movable member having a fixed end fixed to the substrate and a free end extending into the liquid flow path, wherein the movable member is formed of a lower protective layer, a heat generating resistive layer, a lower electrode layer, an insulating layer, an upper electrode layer, and an upper protective layer stacked from the side of the substrate in the mentioned order, and wherein application of a voltage to a heat generating portion of the heat generating resistive layer causes bubbling of a liquid in the liquid flow path between the movable member and the substrate to discharge the liquid.
摘要:
A micro-electromechanical device comprises a movable member having a fixedly supporting portion and movable portion, and a substrate for having the movable member which is supported in a state having a specific gap with the substrate. For this device, a metallic layer which provides the gap for the movable portion is covered by the fixedly supporting portion of the movable member, and remains to be used as a wiring layer. The wiring layer is electrically connected with a plurality of wiring provided for the substrate. With the structure, thus arranged, the electric resistance is made significantly small. The electrical efficiency is enhanced accordingly. Also, the apparatus that adopts this device is made smaller, and the costs of manufacture thereof is made lower as well.
摘要:
There is disclosed an ink jet recording head comprises a plurality of recording elements for applying an energy to discharge ink, a recording element driver for driving the recording elements, a control circuit for controlling the recording element driver, and a high resolution reference signal generator using a plurality of input signals continuously given from the outside in a predetermined period and generating a reference signal which has a period shorter than the predetermined period, so that recording control is performed by supplying the reference signal to the control circuit. The bluntness of a pulse waveform by the transmission of the signal via a cable, and a radiation noise generated from the cable can be inhibited, and the ink jet recording head can cope with high speed and a multiplicity of nozzles.
摘要:
A liquid discharge head includes an element substrate on whose surface a plurality of energy generation elements are arranged in parallel to generate electrical energy that is applied to eject a liquid, a top plate positioned facing the element substrate and defining a plurality of liquid flow paths that correspond to the energy generation elements and that communicate with discharge orifices from which liquid is ejected, one or more flow rate detection elements, which are provided for each of the liquid flow paths to detect the flow rate at which the liquid flows along each of the liquid flow paths, and an energy generation element controller for controlling the conditions under which the energy generation elements are driven, based on the results output by the flow rate detection elements.
摘要:
An ink container for containing ink to be supplied to an ink jet head to which the ink container is detachably mountable, includes an ink supply port for supplying the ink to the ink jet head; a air vent for fluid communication with ambience; a claw-like projection provided on a first side of the ink container; a latching lever provided on a second side opposite from the ink container, the latching lever being resiliently supported on the ink container and having a latching claw.