| Patent application number | Description | Published |
|---|
| 20080211870 | LIQUID EJECTING HEAD UNIT AND METHOD OF MANUFACTURING LIQUID EJECTING HEAD UNIT - A method of manufacturing a liquid ejecting head unit which includes a liquid ejecting head having a liquid ejection surface through which a nozzle opening is opened to eject a liquid and a support member adhered onto the liquid ejection surface of the liquid ejecting head by an adhesive, the method including: forming a lyophobic film on the liquid ejection surface; forming a non-lyophobic area having no lyophobic film in an area in which the liquid ejection surface formed with the lyophobic film is adhered to the support member; performing primer processing of coating a primer liquid onto the non-lyophobic area; and adhering the support member to the non-lyophobic area of the liquid ejection surface using an adhesive. | 09-04-2008 |
| 20080278541 | LIQUID EJECTING HEAD UNIT AND LIQUID EJECTING APPARATUS - The invention provides a liquid ejecting head unit that includes: a liquid ejecting head that has pressure generation chambers and pressure generators, the pressure generation chambers being in communication with nozzle openings from which liquid is ejected, the pressure generator causing a pressure change in the pressure generation chamber; a fixing member that is adhered to the liquid ejecting surface of the liquid ejecting head, the liquid ejecting surface having the nozzle openings formed therein, the fixing member having an exposure opening portion that exposes the nozzle openings; and a recording portion that has convexity and concavity so as to record head information, the recording portion being provided at a region of the liquid ejecting surface at which the fixing member is adhered. | 11-13-2008 |
| 20080284819 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head comprising a head body capable of ejecting liquid in from pressure generating chamber through nozzles by driving the pressure generating chamber, a plurality of head members adhered to the head body, the head members comprising a head casing having a channel for supplying the liquid to the pressure generating chamber and a plurality of notches for allowing a first and second adhesive to be filled in a plurality of gaps between the head members adhered to the head body, and a fixed member which is adhered to the liquid ejecting surface of the head members, wherein the first and second adhesive have different viscosities. | 11-20-2008 |
| 20080284826 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head comprising a head body capable of ejecting liquid in from pressure generating chamber through nozzles by driving the pressure generating chamber, a plurality of head members adhered to the head body, the head members comprising a head casing having a channel for supplying the liquid to the pressure generating chamber and a plurality of notches for allowing a first and second adhesive to be filled in a plurality of gaps between the head members adhered to the head body, and a fixed member which is adhered to the liquid ejecting surface of the head members, wherein the first and second adhesive have different viscosities. | 11-20-2008 |
| 20090002469 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - The invention relates to a liquid ejecting head that includes a liquid ejecting head body, a liquid-supply member, and a plurality of filters. The liquid-supply member has a plurality of liquid-supply passages formed inside the liquid-supply member used for communicating the liquid to the liquid ejecting head body. The liquid-supply member includes a first and second separate member which are adhered to each other so as to make up the liquid-supply member. A plurality of first and second filters are provided across the plurality of liquid-supply passages. The plurality of liquid-supply passages includes first liquid-supply passages that have the first filters on the surface of the first separate member and second liquid-supply passages that have the second filters on the surface of the second separate member. | 01-01-2009 |
| 20090058935 | LIQUID JET HEAD AND LIQUID JET DEVICE - A liquid jet head includes head modules each having a nozzle plate with a nozzle orifice and a passage-forming substrate having a pressure-generating chamber. The chamber communicates with the associated nozzle orifice and is pressurized by the pressure generating element so as to eject droplets. A head case is placed at the side of the passage-forming substrate opposite to the nozzle plate and has flow paths for providing a liquid to the pressure-generating chambers. The liquid jet head includes a fixing plate that has openings through which the nozzle orifices are exposed and carries the head modules positioned thereon. A connecting member is connected to the surface of the head module adjacent to the head case and has flow paths which communicate with the pressure-generating chambers. A reinforced portion made of an adhesive filling a clearance is positioned between adjacent head modules fixed to the fixing plate. | 03-05-2009 |
| 20090122125 | LIQUID EJECTING HEAD, METHOD FOR MAKING THE SAME, AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a head main body capable of ejecting a liquid supplied from a liquid storage unit, and a supply member provided with a liquid supply passage for supplying the liquid from the liquid storage unit to the head main body. The supply member has a filter mounting member provided with the liquid supply passage, a supply body that supplies the filter mounting member with the liquid, and a filter provided between the filter mounting member and the supply body. The supply member is provided with an outer portion that fixes the filter mounting member, the supply body, and the filter and that is formed by integral molding. | 05-14-2009 |
| 20090213199 | LIQUID EJECTING HEAD, METHOD OF MANUFACTURING THE SAME, AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes: a first supply member and a second supply member, each of which has a liquid supply passage formed therein; a filter that is held between the first supply member and the second supply member in correspondence with the liquid supply passage; a thermally welded portion that is welded to the filter so that the first supply member melts and soaks into the filter in a region that surrounds the liquid supply passage; a bonded portion at which the second supply member is bonded to the filter by the thermally welded portion; and a bonding resin that is formed by being poured into an outer region between the first supply member and the second supply member and outside the thermally welded portion and bonded portion with respect to the liquid supply passage. | 08-27-2009 |
| 20090219367 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a head body, a supply member having a first member, a second member, and a third member each having a liquid supply channel, the supply member including a first filter provided between the first member and the second member and a second filter provided between the second member and the third member; a first outer portion being provided between the first member and the second member, the first outer member being formed by integral molding for fixing the first member, the second member; a second outer portion being provided on the outer peripheries of the second member and the third member, the second outer portion being formed by integral molding for fixing the second member, the third member, and the second filter. | 09-03-2009 |
| 20090237464 | LIQUID INJECTING HEAD, METHOD OF MANUFACTURING LIQUID INJECTING HEAD, AND LIQUID INJECTING DEVICE - A liquid injecting head includes a flow path forming substrate in which a pressure generating chamber communicated with a nozzle opening that injects liquid is formed, a pressure generating element that is formed so as to apply pressure to the pressure generating chamber for injecting the liquid, a lead electrode that is connected to the pressure generating element, a wiring substrate having flexibility that is connected to the lead electrode, and a support member that is bonded to the wiring substrate. A fixing opening formed by perforating the wiring substrate in the thickness direction is disposed, and the wiring substrate and the support member are bonded together through an adhesive agent disposed inside the fixing opening. | 09-24-2009 |
| 20100071211 | LIQUID EJECTING HEAD MANUFACTURING METHOD - A method of manufacturing a liquid ejecting head that ejects a liquid supplied from a liquid storing member through a liquid supply path. The method includes positioning a filter to a first or second supply member by using positioning pins upon disposing the filter between first and second liquid supply paths. The first supply member has the first liquid supply path. The second supply member has the second liquid supply path on the side of one surface of the first supply member to communicate with the first liquid supply path. At least the first supply member and the second supply member are integrated such that a fixed portion is molded by injecting a resin material from an injection portion of a mold at a position where the first and second liquid supply paths are interposed between the positioning pins. | 03-25-2010 |
| 20100077613 | LIQUID EJECTING HEAD, METHOD FOR MANUFACTURING LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS - A method for manufacturing a liquid ejecting head is provided. The liquid ejecting head has nozzle openings and ejects liquid supplied through a liquid supply passage from the nozzle openings. The manufacturing method includes: disposing a filtering member between a first supply member and a second supply member, the first supply member having one part of the liquid supply passage formed therein, the second supply member having the other part or another part of the liquid supply passage formed therein, the second supply member being disposed over one surface of the first supply member; and injecting a resin material over the one surface of the first supply member to cover a part of the second supply member for molding a fixation member and fixing the first supply member and the second supply member into a single-piece member as a result of the molding, wherein a convex is formed on a surface of the fixation member in the mold fixation of the first supply member and the second supply member, and a concave is formed in the surface of the fixation member in the mold fixation of the first supply member and the second supply member. | 04-01-2010 |
| 20100091071 | LIQUID EJECTING HEAD UNIT AND LIQUID EJECTING APPARATUS - A liquid ejecting head unit includes a liquid ejecting head that ejects a liquid, a first holding member that holds the liquid ejecting head, and a second holding member positioned on the first holding member. The liquid ejecting head includes a nozzle face having a nozzle opening for ejecting the liquid and a flexible first wiring substrate having that can be erected in a direction perpendicular to the nozzle face. The first holding member has a wiring substrate inserting hole that contains the first wiring substrate, and is held by the second holding member on a side opposite to the liquid ejecting head. The first wiring substrate of the liquid ejecting head and a connection member electrically connected to a second wiring substrate are electrically connected to each other on the first holding member side of the second holding member. | 04-15-2010 |
| 20100214379 | MANUFACTURING METHOD OF LIQUID EJECTING HEAD, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS - A manufacturing method produces a liquid ejecting head including first and second flow path members having liquid flow paths that communicate with each other. An integrally-molded member is surrounds the second flow path member on the second flow path member side of the first flow path member to join the first and second flow path members together. A holding process defines a space portion for forming the integrally-molded member in a frame section. The frame section is brought into contact with a contact surface of a recessed portion in the face of the second flow path member opposite the first flow path member, with the first and second flow path members contacting each other such that the liquid flow paths communicate with each other. A molding process fills the space portion with resin, thereby molding the integrally-molded member, and joins the first and second flow path members together. | 08-26-2010 |
| 20110018943 | LIQUID EJECTING HEAD, MANUFACTURING METHOD THEREOF, AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes: a flow path forming substrate; an actuator device having a plurality of mounting portions provided on the flow path forming substrate; a wiring substrate which has flexibility and is electrically connected to the mounting portions to supply a driving signal to the actuator device; and a protective substrate provided on the mounting portions side of the flow path forming substrate, wherein a plurality of through-holes, into which the wiring substrate can be inserted, is provided in the protective substrate, a partition wall partitioning the mounting portions is provided between at least adjacent through-holes, and resin is provided in the through-holes. | 01-27-2011 |
| 20110032310 | LIQUID EJECTING HEAD AND METHOD OF INSPECTING LIQUID EJECTING HEAD - A liquid ejecting head ejects a liquid from pressure generating chambers through nozzles by varying pressure of the pressure generating chambers. The liquid ejecting head includes a nozzle plate in which the nozzles are formed. A first passage forming board is joined to the nozzle plate. A first liquid passage, including the pressure generating chambers, is formed in the first passage forming board. A second passage forming board is joined to the surface of the first liquid passage forming board and has a second liquid passage communicating with the first liquid passage. A first electrode layer electrically connected to the liquid in the first liquid passage and a second, independent, electrode layer are disposed on a vibration plate. Each of the first and second electrode layers includes a terminal drawn to the outside of a junction portion joining the first and second passage forming boards to each other. | 02-10-2011 |
