Abstract:
A method for testing dies using a machine grooved storage tray (20) with vacuum channels (26). The method involves drawing a vacuum upon the dies while held in the storage tray and using an automated vision system to map the location of dies in the pockets of the storage tray. Using the map, the storage tray is maneuvered to align each individual die in relation to a test probe in order that contact and testing may be made between the discrete die and the test probe.
Abstract:
Ein Drucker umfasst einen Druckkopf, der konfiguriert ist, um hochviskoses Material auszustoßen und einen Verteiler in dem Druckkopf mit hochviskosem Material aufzufüllen. Der Druckkopf umfasst eine Schicht, die eine Öffnung aufweist, um einen Behälter zu bilden, um ein Volumen eines hochviskosen Materials zu enthalten, und mindestens ein Bauteil, das innerhalb des Behälters positioniert ist, der durch die Öffnung in der Schicht gebildet wird. Das mindestens eine Bauteil weist ein elektroaktives Element auf, das an dem Bauteil montiert ist, und ein elektrischer Signalgenerator ist mit dem elektroaktiven Element elektrisch verbunden. Ein Controller betätigt den elektrischen Signalgenerator, um das elektroaktive Element mit einem ersten elektrischen Signal selektiv zu aktivieren, um das mindestens eine Bauteil zu bewegen und um das hochviskose Material neben dem mindestens einen Bauteil zu verdünnen, um zu ermöglichen, dass sich das verdünnte Material von dem mindestens einen Bauteil entfernt.
Abstract:
A pin actuated printhead includes an orifice through which a material is ejected, a chamber to hold the material to be ejected, a channel connecting the chamber to the orifice, and an actuated pin, to enter the orifice and to eject the material from the orifice. The printhead is configured to eject a material with a viscosity of 10,000 cP or more at an elevated temperature.
Abstract:
A pin actuated printhead includes an orifice through which a material is ejected, a chamber to hold the material to be ejected, a channel connecting the chamber to the orifice, and an actuated pin, to enter the orifice and to eject the material from the orifice. The printhead is configured to eject a material with a viscosity of 10,000 cP or more at an elevated temperature.
Abstract:
Una cabeza de impresión accionada por agujas incluye un orificio a través del cual es expulsado un material, una cámara para retener el material que va a ser expulsado, un canal que conecta la cámara al orificio y una aguja accionada, para introducir el orificio y para expulsar el material desde el orificio. La cabeza de impresión está configurada para expulsar un material con una viscosidad de 10,000 cP o mayor a una temperatura elevada.
Abstract:
A method for testing dies using a machine grooved storage tray with vacuum channels. The method involves drawing a vacuum upon the dies while held in the storage tray and using an automated vision system to map the location of dies in the pockets of the storage tray. Using the map, the storage tray is maneuvered for 5 each individual die in relation to a test probe in order that contact and testing may be made between the discrete die and the test probe.
Abstract:
A method for testing dies using a machine grooved storage tray with vacuum channels. The method involves drawing a vacuum upon the dies while held in the storage tray and using an automated vision system to map the location of dies in the pockets of the storage tray. Using the map, the storage tray is maneuvered for 5 each individual die in relatio n to a test probe in order that contact and testing may be made between the discrete die and the test probe.
Abstract:
PROBLEM TO BE SOLVED: To provide methods for manufacturing a print head having electrical contacts which are easier to manufacture than prior structures, and the resulting print head.SOLUTION: The method for forming an inkjet print head can include attaching a plurality of piezoelectric elements 20 to a diaphragm 36, dispensing an interstitial layer 50 over the diaphragm, and forming a plurality of patterned conductive traces 80 on the interstitial layer to physically and electrically contact the plurality of piezoelectric elements. The plurality of patterned traces can be formed using, for example, photolithography, a lift-off process, laser ablation, etc. Electrical communication between the plurality of patterned conductive traces and the plurality of piezoelectric elements can be established through surface contact between the two structures, without the requirement of a separate conductor.
Abstract:
PROBLEM TO BE SOLVED: To provide a method and a structure for forming an interstitial layer of an inkjet print head which has a dielectric interstitial layer to a uniform thickness.SOLUTION: A flexible upper plate 72 stuck to a press can be used to apply pressure to an uncured dielectric interstitial layer 50. The uncured dielectric interstitial layer 50 is brought into contact with the flexible upper plate 72 and is cured while holding the contact and while applying a pressure to the uncured dielectric interstitial layer 50 using the press 68. Use of not a hard upper plate, but the flexible upper plate 72 forms an interstitial layer which is more uniform or has a flat upper surface on the array of piezoelectric elements 20.
Abstract:
PROBLEM TO BE SOLVED: To arrange and hold individual dies under a stable condition, and to test thereby the dies under the conditions held. SOLUTION: This method for testing the dies uses a holding tray with a machining groove, having vacuum channels 26. In the method, the dies are evacuation-sucked, under the condition where the dies are held in the holding tray. Furthermore, using an automatic vision system, the positions of the dies in pockets 27 of the holding tray is mapped. The holding tray is operated using an obtained map to align each individual die, with respect to a test probe, in order to execute testing, by bringing the individual die into contact with the test probe. COPYRIGHT: (C)2005,JPO&NCIPI