摘要:
A method for forming an ink jet print head can include attaching a plurality of piezoelectric elements to a diaphragm, dispensing a dielectric fill layer over the diaphragm and the plurality of piezoelectric elements to encapsulate the piezoelectric elements, curing the dielectric fill layer to form an interstitial layer, then removing the interstitial layer from an upper surface of the plurality of piezoelectric elements using a plasma etch.
摘要:
A method for forming an ink jet print head can include attaching a plurality of piezoelectric elements to a diaphragm, dispensing a dielectric fill layer over the diaphragm and the plurality of piezoelectric elements to encapsulate the piezoelectric elements, curing the dielectric fill layer to form an interstitial layer, then removing the interstitial layer from an upper surface of the plurality of piezoelectric elements using a plasma etch.
摘要:
A manifold assembly has been constructed that filters ink before the ink enters an inkjet ejector in an inkjet print head. The manifold assembly includes an adhesive layer having openings, an ink manifold layer having a plurality of openings, the openings in the adhesive layer being aligned with the openings in the ink manifold layer, and a polymer layer having a plurality of filter areas, the filter areas being aligned with the openings in the ink manifold layer and the openings in the adhesive layer, the adhesive layer being interposed between the polymer layer and the ink manifold layer.
摘要:
An aperture plate for a print head of a printer can include a first layer having a first emissivity which is covered by a second layer having a second emissivity which is less than the first emissivity. In an embodiment, the second layer can be etched at nozzle locations to form openings in the second layer which have widths/areas greater than widths/areas of nozzles formed in the first layer. In another embodiment, the second layer can have a smaller thickness at the nozzle locations and a larger thickness away from the nozzle locations. Forming the openings in the second layer which are larger than the nozzles, or forming the second layer thinner at the nozzle locations prior to forming the nozzles, can provide a well-formed nozzle and an aperture plate having a low emissivity.
摘要:
A method for forming an ink jet print head can include attaching a plurality of piezoelectric elements to a diaphragm, dispensing an interstitial layer over the diaphragm, electrically coupling a plurality of conductive elements to the plurality of piezoelectric elements, and curing the interstitial layer. A plurality of electrically isolated conductive particles within the interstitial layer electrically couple the plurality of conductive elements to the plurality of piezoelectric elements. The conductive particles can be evenly distributed throughout the totality of the interstitial layer dielectric, or they can be localized over a top surface of each piezoelectric element and interposed between the plurality of piezoelectric elements and the plurality of conductive elements. The conductive elements can be part of a flex circuit or printed circuit board.
摘要:
A manifold assembly has been constructed that filters ink before the ink enters an inkjet ejector in an inkjet print head. The manifold assembly includes an adhesive layer having openings, an ink manifold layer having a plurality of openings, the openings in the adhesive layer being aligned with the openings in the ink manifold layer, and a polymer layer having a plurality of filter areas, the filter areas being aligned with the openings in the ink manifold layer and the openings in the adhesive layer, the adhesive layer being interposed between the polymer layer and the ink manifold layer.
摘要:
A method for mounting a piezoelectric transducer layer to a diaphragm layer exposes an electrode for each piezoelectric transducer after thermoset polymer filling the interstitial space between the piezoelectric transducers has been cured. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer, filling areas between the piezoelectric transducers on the diaphragm layer with thermoset polymer, and removing the thermoset polymer from the piezoelectric transducers with a laser to expose a metal electrode on each piezoelectric transducer.
摘要:
A method for assembling an inkjet jet print head enables piezoelectric transducers to be bonded to an inkjet ejector without closing inlets to a pressure chamber within the inkjet ejector. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer with a thermoset adhesive, placing thermoset polymer in areas between the piezoelectric transducers on the diaphragm layer, and drilling inlets through the thermoset polymer and the diaphragm at the openings in the diaphragm.
摘要:
A method for mounting a piezoelectric transducer layer to a diaphragm layer exposes an electrode for each piezoelectric transducer after thermoset polymer filling the interstitial space between the piezoelectric transducers has been cured. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer, filling areas between the piezoelectric transducers on the diaphragm layer with thermoset polymer, and removing the thermoset polymer from the piezoelectric transducers with a laser to expose a metal electrode on each piezoelectric transducer.
摘要:
A method for mounting a piezoelectric transducer layer to a diaphragm layer exposes an electrode for each piezoelectric transducer after thermoset polymer filling the interstitial space between the piezoelectric transducers has been cured. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer, filling areas between the piezoelectric transducers on the diaphragm layer with thermoset polymer, and removing the thermoset polymer from the piezoelectric transducers with a laser to expose a metal electrode on each piezoelectric transducer.