摘要:
The invention provides an ink jet recording head, in which, for improving heat-dissipating property and electrode terminal connectivity and reducing production cost, second electrode terminals provided on a supporting surface of plural laminated sheets for supporting a liquid discharge substrate and to be connected with first electrode terminals of the liquid discharge substrate are provided outside an ink supply aperture formed in an outermost sheet constituting the supporting surface, and are supported by the outermost sheet and at least a sheet laminated thereunder.
摘要:
The invention provides an ink jet recording head, in which, for improving heat-dissipating property and electrode terminal connectivity and reducing production cost, second electrode terminals provided on a supporting surface of plural laminated sheets for supporting a liquid discharge substrate and to be connected with first electrode terminals of the liquid discharge substrate are provided outside an ink supply aperture formed in an outermost sheet constituting the supporting surface, and are supported by the outermost sheet and at least a sheet laminated thereunder.
摘要:
A method for producing an ink jet recording head having a plurality of recording element substrates each including a recording element for generating energy to be used for ink discharge and an electrode portion connected to the recording element, a wiring substrate provided with an electrode terminal to be electrically connected with the electrode portion of the plural recording element substrates and adapted to transmit an electrical pulse for ink discharge to the recording element, and an element substrate support member for supporting the plural recording element substrates, comprises a step of causing the plural recording element substrates to be supported on the element substrate support member, and a step of thereafter executing metal—metal bonding between the electrode portion of the plural recording element substrates and the electrode terminal of the wiring substrate.
摘要:
A method for manufacturing an ink jet recording head, which is provided with a recording elemental substrate having discharge port group for discharging ink, an electric wiring substrate electrically connected with the recording elemental substrate, and a supporting member for holding and fixing the recording elemental substrate and the electrical wiring substrate, comprises the steps of injecting thermohardening filler into a filler retaining portion communicated with the sealing area requiring sealing; filling the area with the thermohardening filler injected into the filler retaining portion by heating the filler to flow; and hardening the filled thermohardening filler. With the structure thus arranged, it is possible to eliminate any electrical and structural defects in order to materialize a highly reliable and compact ink jet recording head.
摘要:
By the present invention, there is provided an ink-jet recording head comprising at least one recording device substrate for discharging a recording liquid by pressure of bubble formation caused by thermal energy, a flexible film wiring substrate for fitting the recording device substrate thereto, an electrode pad for receiving control signals from outside for controlling thermal energy generation in the recording device substrate, and a wiring substrate connected electrically to the recording device substrate with interposition of the flexible film wiring substrate, wherein an input terminal of the flexible film wiring substrate and an output terminal of the wiring substrate are electrically connected to each other and fixed by a thermosetting adhesive by hot-pressing, and the connected electrode portion is coated with the thermosetting adhesive.
摘要:
A wiring board connecting method of electrically connecting a plurality of first wiring boards juxtaposed side by side each having terminals at one end, to a second common wiring board having a plurality of terminal groups to be connected to the terminals of the first wiring boards. The method includes the steps of providing a first position alignment mark at each side area of each of the first wiring boards and a second position alignment mark at each area between adjacent terminal groups of the second wiring board, after the first and second wiring boards are superposed to make the areas provided with the first and second position alignment marks face one another, aligning the first wiring boards with the second wiring board so as to make the largest gap between the first and second position alignment marks as small as possible, and electrically connecting the first wiring boards to the second wiring board.
摘要:
A method for manufacturing an ink jet recording head, which is provided with a recording elemental substrate having discharge port group for discharging ink, an electric wiring substrate electrically connected with the recording elemental substrate, and a supporting member for holding and fixing the recording elemental substrate and the electrical wiring substrate, comprises the steps of injecting thermohardening filler into a filler retaining portion communicated with the sealing area requiring sealing; filling the area with the thermohardening filler injected into the filler retaining portion by heating the filler to flow; and hardening the filled thermohardening filler. With the structure thus arranged, it is possible to eliminate any electrical and structural defects in order to materialize a highly reliable and compact ink jet recording head.
摘要:
With an ink-jet recording head comprising multiple nozzle rows, for discharging ink of different colors, arrayed in approximately a straight line in approximately the same direction as the transporting direction of a recording medium, the positioning spacing of the nozzle rows of each of the colors is set so as to be greater than the length of the nozzle rows for discharging ink of each of the colors. This prevents bleeding on the recording medium and mixing of colors on the recording head in cases of printing at high speeds with in-line type recording heads, in an arrangement with simple modifications.
摘要:
A liquid ejecting recording head using thermal energy to eject liquid for recording an image, includes an element chip having a plurality of electrothermal transducer elements for producing thermal energy to create bubbles to ejecto the liquid; a temperature detecting element disposed on the element chip to detect a temperature of the chip; liquid passages, disposed on the chip, corresponding to the electrothermal transducer elements having an opening at an end; correcting means for correcting an output of the temperature detecting element.
摘要:
A substrate for an ink jet recording head comprises a support member, an electro-thermal converter, disposed on the support member, having a heat generating resistive layer and a pair of electrodes connected to said heat generating resistive layer, and a glaze layer on the support member underneath the electro-thermal converter. The glaze layer is omitted from between a heat generating portion provided by the resistive layer between a gap in the electrodes so that the heat generated by such heat generating portion can be properly dissipated.