Patent application number | Description | Published |
20090079097 | ELECTRONIC COMPONENT WITH WIRE BONDS IN LOW MODULUS FILL ENCAPSULANT - An electronic component that has a support structure with a plurality of electrical conductors, a series of wire bonds, each of the wire bonds extending from one of the electrical conductors respectively, each of the wire bonds having an end section contacting the electrical conductor and an intermediate section contiguous with the end section, a bead of dam encapsulant encapsulating the electrical conductors and the end section of each of the wire bonds, and a bead of fill encapsulant contacting the bead of dam encapsulant and encapsulating the intermediate portion of each of the wire bonds. The dam encapsulant has a higher modulus of elasticity than the fill encapsulant. | 03-26-2009 |
20090135569 | ELECTRONIC COMPONENT WITH WIRE BONDS IN LOW MODULUS FILL ENCAPSULANT - An electronic component that has a support structure with a plurality of electrical conductors, a series of wire bonds, each of the wire bonds extending from one of the electrical conductors respectively, each of the wire bonds having an end section contacting the electrical conductor and an intermediate section contiguous with the end section, a bead of dam encapsulant encapsulating the electrical conductors and the end section of each of the wire bonds, and a bead of fill encapsulant contacting the bead of dam encapsulant and encapsulating the intermediate portion of each of the wire bonds. The dam encapsulant has a higher modulus of elasticity than the fill encapsulant. | 05-28-2009 |
20090231383 | DOUBLE LASER DRILLING OF A PRINTHEAD INTEGRATED CIRCUIT ATTACHMENT FILM - A method of fabricating an apertured polymeric film. The method comprising the steps of: (a) masking a polymeric film with a first mask having first laser transmission zones defined therein; (b) laser-ablating first apertures through the polymeric film using the first mask; (c) masking the film with a second mask having second laser transmission zones defined therein, each second zone being aligned with a corresponding first aperture, and each second zone having greater perimeter dimensions than the corresponding first aperture; and (d) reaming the first apertures by laser-ablating the polymeric film using the second mask, the reamed first apertures defining second apertures in the film. | 09-17-2009 |
20090231384 | PRINTHEAD INTEGRATED CIRCUIT ATTACHMENT FILM HAVING DIFFERENTIATED ADHESIVE LAYERS - A laminated film for attachment of printhead integrated circuits to an ink supply manifold. The film has a plurality of ink supply holes defined therein and film comprises: a central polymeric film; a first adhesive layer for bonding a first surface of the film to the ink supply manifold; and a second adhesive layer for bonding a second surface of the film to the printhead integrated circuits. The central polymeric film is sandwiched between the first and second adhesive layers. A first melt temperature of the first adhesive layer is at least 20° C. less than a second melt temperature of the second adhesive layer. | 09-17-2009 |
20090231400 | PRINTHEAD ASSEMBLY WITH MINIMAL LEAKAGE - A laminated film for attachment of printhead integrated circuits to an ink supply manifold. The film has a plurality of ink supply holes defined therein and film comprises: a central polymeric web; a first adhesive layer for bonding a first surface of the film to the ink supply manifold; and a second adhesive layer for bonding a second surface of the film to the printhead integrated circuits. The central polymeric web is sandwiched between the first and second adhesive layers. A first melt temperature of the first adhesive layer is at least 20° C. less than a second melt temperature of the second adhesive layer. | 09-17-2009 |
20100147445 | METHOD OF FABRICATING PRINTHEAD ASSEMBLY - A printhead assembly includes a molded ink manifold, a plurality of printhead integrated circuits, and an adhesive film sandwiched between the ink manifold and the printhead integrated circuits. A manifold bonding surface of the molded ink manifold includes a polymer coating. The polymer coating plugs fissures resulting from a molding process used to mold the ink manifold. | 06-17-2010 |
20100149257 | MOLDED INK MANIFOLD WITH POLYMER COATING - A printhead assembly includes a molded ink manifold, a plurality of printhead integrated circuits, and an adhesive film sandwiched between the ink manifold and the printhead integrated circuits. A manifold bonding surface of the molded ink manifold includes a polymer coating. The polymer coating plugs fissures resulting from a molding process used to mold the ink manifold. | 06-17-2010 |
20100224319 | METHOD OF ASSEMBLING PAGEWIDTH PRINTHEAD - A method of assembling a pagewidth printhead. The method includes: aligning a multilayered adhesive film an said ink supply manifold such that ink supply holes in the film are aligned with respective ink outlets in the ink supply manifold; bonding a first adhesive layer of the film to a manifold bonding surface; heating a printhead integrated circuit and positioning the heated printhead integrated circuit on an opposite side of the film such that each ink supply hole is aligned with an ink inlet defined in a printhead bonding surface of the printhead integrated circuit; and repeatedly bonding printhead integrated circuits to the film to provide the pagewidth printhead. | 09-09-2010 |
20110085010 | PRINTHEAD ASSEMBLY WITH MINIMAL LEAKAGE - A printhead assembly includes an ink manifold having a plurality of ink outlets defined in a manifold bonding surface; one or more printhead integrated circuits, each printhead integrated circuit having a plurality of ink inlets defined in a printhead bonding surface; and an adhesive film sandwiched between said manifold bonding surface and said one or more printhead bonding surfaces, said film having a plurality of ink supply holes defined therein, each ink supply hole being aligned with an ink outlet and an ink inlet. The adhesive film is a laminated film comprising a central polymeric film sandwiched between a first adhesive layer and a second adhesive layer, the first adhesive layer has a melt temperature lower than that of the second adhesive layer. | 04-14-2011 |
20110304672 | PRINTHEAD ASSEMBLY WITH MOLDED INK MANIFOLD HAVING POLYMER COATING - A printhead assembly includes: a molded ink manifold having a plurality of ink outlets defined in a manifold bonding surface; and printhead integrated circuits bonded to the manifold bonding surface. The manifold bonding surface includes a polymer coating, which plugs fissures in the molded ink manifold. | 12-15-2011 |