Abstract: A fluid ejection head and a method of detecting the presence of fluid in an ejection chamber. The ejection head includes a semiconductor substrate having an elongate fluid supply via etched therethrough. An array of fluid ejectors is disposed adjacent to the fluid supply via, wherein the elongate fluid supply via provides fluid to the array of fluid ejectors for ejection of fluid from the ejection head. Fluid sense cells for the array of fluid ejectors are disposed at each end of the fluid supply via, wherein each of the fluid sense cells has a fluid ejector, an electrode disposed in a fluid chamber for the fluid ejector, and an electrode disposed in a fluid channel associated with a fluid chamber. A fluid detection circuit is provided in electrical communication with each of the fluid sense cells for detecting the presence or absence of fluid in the fluid chamber.

Abstract: A fluid interconnect system including a mating component having an inlet port and a liquid outlet, the inlet port configured to support an interconnector and the liquid outlet configured to engage with a print cartridge so that liquid flows from a liquid source, through the interconnector and the inlet port, and out of the liquid outlet into the print cartridge.

Abstract: A backlight device comprises a plurality of point light sources, a luminance uniformity sheet, a light diffusion sheet, a plurality of lenses, and a partition wall. The luminance uniformity sheet includes transmission portions that are arranged opposite the point light sources. The light diffusion sheet is disposed on an opposite side of the luminance uniformity sheet relative to the point light sources. The lenses are disposed between the light diffusion sheet and the luminance uniformity sheet. The partition wall is disposed at least one of between the point light sources and the luminance uniformity sheet and between the luminance uniformity sheet and the lenses and is disposed between adjacent point light sources in a plan view or between adjacent lenses in the plan view.

Abstract: A composite photoresist material and method of making the composite photoresist material. The composite photoresist material includes: a photoresist layer devoid of a phenoxy resin, and a photoresist layer containing a phenoxy resin.

Abstract: A fluid cartridge having a plastic fluid body, a bottom wall having a fluid supply opening therein. An insert is adhesively fastened to the bottom wall. The insert has a fluid supply slot therein corresponding to the fluid supply opening in the bottom wall, a die bond surface adjacent to the fluid supply slot for adhesively fastening an ejection head chip thereto, and a plurality of air vents adjacent to the die bond surface. The insert is a material selected from an epoxy molding compound and a ceramic material. An ejection head chip is adhesively fastened to the die bond surface of the insert.

Abstract: A digital dispense system and methods for preparing samples for analysis. The digital dispense system includes a fluid droplet ejection system housed in a housing unit. The fluid droplet ejection system contains a fluid droplet ejection head and fluid cartridge containing one or more fluids to be dispensed. A cartridge translation mechanism is provided for moving the fluid droplet ejection head and fluid cartridge back and forth over a sample holder in an x direction. A sample tray translation mechanism moves a sample tray back and forth beneath the fluid droplet ejection head and fluid cartridge in a y direction orthogonal to the x direction.

Abstract: A fluid ejection device that includes a housing, a fluid reservoir disposed in the housing and a fluid ejection head. A revolving maintenance station that includes an ejection head wiper and an ejection head capping device is movably attached to the housing and is configured for rotation to selectively position the ejection head wiper or the ejection head capping device adjacent to the fluid ejection head.

Abstract: A pharmaceutical drug delivery device and method of preventing drying out and drooling of an ejection head for the drug delivery device. The device includes a drug delivery device body; a fluid outlet nozzle attached to the drug delivery device body; and a fluid jet ejection cartridge containing a liquid pharmaceutical drug disposed in the drug delivery device body. A fluid ejection head is attached to the fluid jet ejection cartridge and the fluid ejection head is in fluid flow communication with the fluid outlet nozzle. An elongate, serpentine air flow path is provided between and outer surface of the fluid jet ejection cartridge and an inner surface of the fluid outlet nozzle. The elongate, serpentine air flow path provides a reduced pressure differential adjacent to a surface of the fluid ejection head upon use of the drug delivery device and provides a humidification zone.

Abstract: A fluid ejection head for a fluid jet ejection device and a method for improving adhesion between a nozzle plate and a flow feature layer of the ejection head. The fluid ejection head includes a silicon substrate containing at least one array of fluid ejectors deposited thereon. At least one fluid supply via is etched through the silicon substrate adjacent to the at array of fluid ejectors. A flow feature layer is attached to the silicon substrate. The flow feature layer contains at fluid chambers and fluid flow channels corresponding the array of fluid ejectors for ejecting fluid provide fluid from the at least one fluid supply via to fluid chambers. At least a portion of the flow feature layer comprises an attachment surface having improved surface adhesion characteristics, and a nozzle plate containing nozzle holes is laminated to the flow feature layer to provide the fluid ejection head.

Abstract: The disclosure provides a liquid administering device capable of accurately administering a liquid to a predetermined part in a nasal cavity. A liquid administering device 2 includes a main body 4, a first nozzle 6 that protrudes from the main body 4 in a predetermined direction and dispenses a liquid while being inserted into one nasal cavity 28a of a user, and a second nozzle 8 that protrudes from the main body 4 in the predetermined direction and is inserted into the other nasal cavity 28b of the user to position the first nozzle 6 with respect to one nasal cavity 28a.

Abstract: Provided is a vibrating mirror element including: a mirror part; a substrate made of metal, including a pair of beams, a support supporting each of the pair of beams, and a torsion part swingably supporting the mirror part; a driving source generating a plate wave that swings the mirror part; and a vibration suppression part suppressing vibration transmitted to the pair of beams. The vibration suppression part is configured to suppress the vibration transmitted to the pair of beams by abutting against the pair of beams at a position between a second mirror end among ends of the mirror part that is opposite a first mirror end near the support and the torsion part in a first direction in which the pair of beams extends.

Abstract: A printing apparatus includes a carriage, ink tanks, ink tubes, and a first tube holder. The carriage reciprocates in a predetermined direction with respect to a recording medium and has recording heads ejecting ink to the recording medium. The ink tanks are arranged outside the carriage and are configured to contain ink. The ink tubes connect the ink tanks and the recording heads to each other to supply the ink contained in the ink tanks to the recording heads, and the ink tubes undergo follow-up deformation along with reciprocating movement of the carriage. The first tube holder is rotatably supported with respect to the carriage and holds the ink tubes.

Abstract: A vibrating element includes a movable part, a substrate made of metal, a driving source, and a holding member holding the substrate. The substrate includes a pair of support beam parts, a support part, and a torsion beam part. Each of the support beam parts has a first end part and a second end part. The support part supports the first end part. The torsion beam part swingably supports the movable part. The second end part of each of the support beam parts is provided with a fixing part fixed to the holding member. By adjusting an inclination with respect to the holding member, the fixing part is fixed to the holding member in a state in which each of the support beam parts applies tension to the torsion beam part in a direction away from the movable part in a first direction in which the torsion beam part extends.

Abstract: A fluid fillable cartridge, a method for preventing contamination of nozzle holes in a fluid ejector chip and a method for making an adhesive sealing tape. The fluid fillable cartridge has an open fluid reservoir therein and a fluid ejector chip attached to an exposed surface of the fluid fillable cartridge opposite to the open fluid reservoir. An adhesive sealing tape is attached to the fluid fillable cartridge, wherein the adhesive sealing tape has an adhesive pattern on a first end of the adhesive sealing tape that is configured to attach the adhesive sealing tape adjacent to the fluid ejector chip while being devoid of adhesive in nozzle hole areas of the fluid ejector chip.

Abstract: An electronic device includes a signal processor, a substrate, and a conductive housing. The signal processor includes an oscillator that outputs oscillation signal. The substrate has a ground component, the signal processor being disposed on the substrate. The conductive housing is connected to a first site of the ground component and to a second site that is different from the first site. The first site and the second site being disposed at positions where a first area of the housing in which an impedance is higher than a first threshold due to the first site overlaps at least part of a second area of the housing in which an impedance is lower than a second threshold due to the second site.

Abstract: A display device attachment structure comprises a plate member configured to be attached to a rear housing of a display device and to which a component of the display device is configured to be attached, a fastening member attached to the plate member for fixing the plate member to a back surface of the rear housing opposite a display surface of the display device via a fastening hole, and a fixing member attached to the plate member for fixing the plate member to the back surface of the rear housing, the fixing member being a different type of fastener than the fastening member.

Abstract: A spray device includes a holding part, a spray part, and a detection part. The holding part is capable of holding a liquid therein. The spray part atomizes and sprays the liquid held in the holding part. The detection part detects a liquid level of the liquid held in the holding part. The detection part includes a first electrode and a second electrode provided inside the holding part, and an application part. The application part applies a first voltage between the first electrode and the second electrode with the first electrode as an anode and the second electrode as a cathode, and then applies a second voltage between the first electrode and the second electrode with the first electrode as the cathode and the second electrode as the anode.

Abstract: A priming device for a fluid cartridge, a fluid dispense device configured for priming the fluid cartridge, and a method for priming a fluid cartridge. The priming device includes an impact mechanism for a fluid cartridge, wherein the fluid cartridge is devoid of a backpressure device and has a fluid reservoir and an ejection head chip in fluid flow communication with the fluid reservoir.

Abstract: The disclosure provides a device holding member and a device holding member set. The device holding member is engaged with a bottom member formed with a hole or a frame supporting the bottom member and holds a device arranged on the bottom member. The device holding member includes a belt and a locking member. The belt includes an end part provided with an engaging member engageable with an edge part of the bottom member or the frame and holds the device. The locking member is provided between the engaging member and the device and locks a part of the belt to the hole.

Abstract: A fluid ejection device that includes a housing, a fluid reservoir disposed in the housing and a fluid ejection head. A revolving maintenance station that includes an ejection head wiper and an ejection head capping device is movably attached to the housing and is configured for rotation to selectively position the ejection head wiper or the ejection head capping device adjacent to the fluid ejection head.