Abstract: A liquid storage tank includes a circuit chip equipped with a pair of chip contact points on a flat connection outer surface on a chip main body positioned at a predetermined position of a tank main body, and a pair of connection terminal plates each including a chip contact piece positioned around the circuit chip and extending from one side of the connection outer surface to make contact with the corresponding chip contact point, and another circuit connection portion conductively connected to a contact point of another circuit.

Abstract: A retention device for an ink cartridge for engaging and retaining a locking lever when the ink cartridge is attached to a carriage such that a contact between conductive connection portions of a cartridge-side substrate of the ink cartridge and contact terminals of a connector is in a desired state, the retention device includes: a position regulation portion that is provided at a mounting place of the ink cartridge in the carriage, and that is brought into contact with a part of the locking lever and regulates an engagement position of the locking lever when the ink cartridge is attached to the carriage.

Abstract: A liquid cartridge has a container main body detachably mounted to a cartridge mounting section of a liquid consuming apparatus. The container main body includes a case main body having a liquid reservoir and a cover that covers one side of the case main body; a board mounting section provided on an outer side of the container main body, for mounting a circuit board having an information storage element, the board mounting section having a pair of board fixing bosses to be fitted in the mounting holes of the circuit board to locate the circuit board, and four guide walls provided on the peripheral four sides of the circuit board located by the pair of board fixing bosses. The three guide walls of the four guide walls that constitute the board mounting section form a substantially U-shaped opening that is open to the cover on the outer side of the case main body, and the other guide wall is at a rim of the cover.

Abstract: A liquid cartridge mountable on a cartridge mounting portion of a liquid consuming apparatus, the liquid cartridge includes: a circuit board that is attached to an outer surface of the liquid cartridge in an insertion direction of the liquid cartridge into the cartridge mounting portion; and a connection terminal that is formed in the circuit board to be contactable with a connector provided in the cartridge mounting portion, wherein the circuit board has a positioning hole that is formed at a front end side in the insertion direction into the cartridge mounting portion, and an error absorption hole that is formed at a base end side in the insertion direction and has a larger opening area than that of the positioning hole, and the positioning hole is engaged with a positioning boss that is provided in the liquid cartridge, the error absorption hole is engaged with an error absorption boss that is provided in the liquid cartridge, and the circuit board is fixed to a container main body by thermally caulking th

Abstract: A container includes: a container main body that has a delivery path for delivering liquid stored in the inside to the outside; a sensor accommodating portion that is provided in the container main body to be located in the vicinity of an end of the delivery path; a liquid detection sensor unit that is mounted on the sensor accommodating portion, and has a sensor cavity that receives the liquid as a detection object, a bottom surface of the sensor cavity being opened to receive the liquid, and a sensor chip that has a vibrating plate for closing a top surface of the sensor cavity and a piezoelectric element disposed on a top surface of the vibrating plate; a sensor receiving wall that defines a part of the sensor accommodating portion, and having a first communicating port that allows the liquid stored in the inside to flow into the sensor cavity, and a second communicating port that allows the liquid stored in the sensor cavity to flow to the outside; and an elastic seal member that seals between the sensor

Abstract: A mis-assembly preventing structure is provided to a liquid container to allow assembly of parts when the parts are assembled in an adequate direction and to prevent the assembly of the parts when the part are assembled in an inadequate direction. For example the structure can be provided to a sensor unit (200) and a cartridge case (101), and can be constructed by engagement hooks (267) and engagement concave portions (110k) for receiving the engagement hooks (267).

Abstract: A liquid container (21) has: an outer electrode (32d) contactable with an electrode (91c) of a liquid consuming apparatus; an electrode supporting member (32,33) which supports the outer electrode (32d) and is fixed to a container body (31); a piezoelectric sensor unit (35) which is discrete from the electrode supporting member (32,33), which is attached to the container body (31) for detecting liquid existing in a part of a liquid supply path and which includes a piezoelectric element (41) having an electrode (41a); and a connector (45) which has an elasticity and which electrically connects the outer electrode (32d) to the electrode (41a) of the piezoelectric element (41).

Abstract: A circuit board (32) has a board main body (32M), a pair of first electrodes (32d) for contact with and electrical connection to electrodes (91c) of a liquid consuming apparatus, the first electrodes (32d) being formed on a first surface of the board main body (32M), and a pair of second electrodes (32e) for contact with and electrical connection to terminal plates (45) of a sensor unit (35), the second electrodes (32e) being formed on an opposite, second surface of the board main body (32M) and electrically connected respectively to the first electrodes (32d).

Abstract: A liquid detecting device (1200) including: a unit base (1210), provided with a recessed portion (1211) on an upper face thereof and containing a first material; a sensor base (1220), accommodated in the recessed portion and containing a second material different from the first material; a sensor chip (1230), mounted on an upper face of the sensor base (1220) and having a sensor cavity (1232) for receiving a liquid as a detection target, in which a lower face of the sensor cavity (1232) is formed to be opened for allowing the liquid to flow therein and an upper face thereof is closed by a vibration plate (1233) and provided with a piezoelectric element (1234) mounted on an upper face of the vibration plate (1233); an adhesive layer (1242), formed on the upper face of the sensor base and fixing and sealing the sensor chip (1230) and the sensor base (1220) to each other; and an adhesive film (1240), which fixes and seals the sensor base (1220) and the unit base (1210) to each other and of which an inner periphe

Abstract: A mounting structure of a liquid sensor comprising: a vibration cavity forming base portion which has a first surface and a second surface opposed to each other and in which a cavity for receiving a medium as a detection target is formed to be open toward the first surface side and a bottom surface of the cavity can vibrate; a sensor including a piezoelectric element having a first electrode formed on the second surface side of the vibration cavity forming base portion, a piezoelectric layer formed on the first electrode, and a second electrode formed on the piezoelectric layer; a mounting target member which is mounted with the sensor, the mounting target member having an upstream space which communicates with the cavity through an upstream flow path and a downstream space which communicates with the cavity through a downstream flow path; and an elastic seal member which is disposed between the sensor and the mounting target member and which seals a space between the sensor and the mounting target member.

Abstract: A liquid ejecting head includes a nozzle plate formed with a plurality of nozzle orifices; a flow path forming plate, formed with a plurality of pressure chambers which communicate with the nozzle orifices respectively, a reservoir which stores liquid therein, and a plurality of liquid flow paths which communicate the pressure chambers with the reservoir respectively; an elastic plate, applying pressure to the liquid in the pressure chambers; and a plurality of driver elements, each pushing the elastic plate so as to vary a volume of each corresponding pressure chamber. The flow path forming plate is comprised of (110) orientation silicon single crystal. A liquid flow path wall partitioning adjacent liquid flow paths and a pressure chamber wall partitioning adjacent pressure chambers are formed continuously. A width of the liquid flow path wall is greater than that of the pressure chamber wall.

Abstract: In order to provide a silicon wafer break pattern that stabilizes the location and shape of the breaks at weak spots of the break pattern and that reduces waste, the through-holes of the break pattern is disposed along a scribe line, a first group of the through-holes are substantially disposed on only a first side of the scribe line, and a second group of the through-holes are substantially disposed on only a second side of the scribe line.

Abstract: A liquid ejecting head includes a nozzle plate formed with a plurality of nozzle orifices; a flow path forming plate, formed with a plurality of pressure chambers which communicate with the nozzle orifices respectively, a reservoir which stores liquid therein, and a plurality of liquid flow paths which communicate the pressure chambers with the reservoir respectively; an elastic plate, applying pressure to the liquid in the pressure chambers; and a plurality of driver elements, each pushing the elastic plate so as to vary a volume of each corresponding pressure chamber. The flow path forming plate is comprised of (110) orientation silicon single crystal A liquid flow path wall partitioning adjacent liquid flow paths and a pressure chamber wall partitioning adjacent pressure chambers are formed continuously. A width of the liquid flow path wall is greater than that of the pressure chamber wall.

Abstract: In order to provide a silicon wafer break pattern that stabilizes the location and shape of the breaks at weak spots of the break pattern and that reduces waste, the through-holes of the break pattern is disposed along a scribe line, a first group of the through-holes are substantially disposed on only a first side of the scribe line, and a second group of the through-holes are substantially disposed on only a second side of the scribe line.

Abstract: A liquid ejecting head includes a flow passage formation section and a sealing section. The flow passage formation section includes a plurality of nozzle openings, ejecting liquid therefrom, a plurality of pressure generation parts, corresponding to the nozzle openings respectively, a plurality of liquid supply passages, communicating with the pressure generation parts respectively for supplying liquid thereto, and a plurality of partition wall parts, each separating one liquid supply passage and its corresponding pressure generation part from another liquid supply passage and its corresponding pressure generation part. The sealing section seals the flow passage formation section. The partition wall parts respectively include liquid supply passage partition wall parts which separate adjacent liquid supply passages. The sealing section has a thick part and a thin part.

Abstract: In order to provide a silicon wafer break pattern that stabilizes the location and shape of the breaks at weak spots of the break pattern and that reduces waste, the through-holes of the break pattern is disposed along a scribe line, a first group of the through-holes are substantially disposed on only a first side of the scribe line, and a second group of the through-holes are substantially disposed on only a second side of the scribe line.

Abstract: In order to provide a silicon wafer break pattern that stabilizes the location and shape of the breaks at weak spots of the break pattern and that reduces waste, the through-holes of the break pattern is disposed along a scribe line, a first group of the through-holes are substantially disposed on only a first side of the scribe line, and a second group of the through-holes are substantially disposed on only a second side of the scribe line.