摘要:
An embedded die package and method of manufacture, the die package comprising a die having I/O contact pads in a passivation layer wherein the die contact pads are coupled to a first side of a feature layer by an adhesion/barrier layer, and a layer of pillars extends from a second side of the feature layer, the die, feature layer and the layer of pillars being encapsulated by a dielectric material and wherein the feature layer comprises routing lines that are individually drawn by laser exposure of photoresist under guidance of an optical imaging system for good alignment with both the I/O contact pads of the die and with the subsequently to be deposited pillars that are positioned with respect to the package edges.
摘要:
A method of fabricating embedded die packages including the following steps: obtaining a honeycomb array of chip sockets such that each chip socket is surrounded by a framework having a polymer matrix of a first polymer and at least one via post through the framework around each socket; placing the honeycomb array on a transparent tape so that an underside of the honey comb array contacts the transparent tape; positioning a chip terminal the down (flip chip) in each chip socket so that undersides of the dies contact the transparent tape; using optical imaging through the tape to align the chips with the via posts; applying a packing material over and around the chips in the honeycomb array, and curing the filler to embed the chips on five sides; thinning and planarizing the packing material to expose upper ends of the vias on upper side of the array; removing the transparent tape; applying a feature layer of conductors on the underside of the honeycomb array and the undersides of the chips, to couple at least one terminal of each die to at least one through via; applying a feature layer of conductors on over side of the honeycomb array such that at least one conductor extends from a through via at least partway over each chip; dicing the array to create separate dies comprising at least one embedded chip having a contract pad coupled to a through via adjacent the chip.
摘要:
A multilayer composite electronic structure comprising at least two feature layers extending in an X-Y plane and separated by a via layer comprising a dielectric material that is sandwiched between two adjacent feature layers, the via layer comprising via posts that couple adjacent feature layers in a Z direction perpendicular to the X-Y plane, wherein a first via has different dimensions in the X-Y plane from a second via in the via layer.
摘要:
A method of fabricating a composite electronic structure for coupling an IC Chip to a substrate, the composite electronic structure comprising: at least one metal feature layer and at least one adjacent metal via layer, said layers being embedded in a dielectric comprising a polymer matrix and extending in an X-Y plane and having height, wherein the composite electronic structure further comprises, at least one capacitor coupled with at least one inductor, the at least one capacitor comprising a selected feature in a feature layer forming a lower electrode, and depositing a ceramic dielectric layer over said selected feature, applying a layer of photoresist, patterning the photoresist with a via post over said ceramic dielectric layer, sputtering a copper seed layer and electroplating copper into the pattern to form said via post over said ceramic dielectric layer, such that the ceramic dielectric layer is sandwiched between the selected feature layer and the via post, such that the via post stands on the ceramic dielectric layer, and forms an upper electrode whose capacitance is proportional to the area of the via post forming the upper electrode, and wherein the at least one inductor is formed in at least one of the at least one feature layer and the adjacent via layer by electroplating copper into a pattern of photoresist stripping away the photoresist and laminating.
摘要:
An array of chip sockets defined by an organic matrix framework surrounding sockets through the organic matrix framework and further comprising a grid of metal vias through the organic matrix framework. In an embodiment, a panel includes an array of chip sockets, each surrounded and defined by an organic matrix framework including a grid of copper vias through the organic matrix framework. The panel includes at least a first region with sockets having a set of dimensions for receiving one type of chip and a second region with sockets and another set of dimensions for receiving a second type of chip.
摘要:
A method of fabricating embedded die packages including the following steps: obtaining a honeycomb array of chip sockets such that each chip socket is surrounded by a framework having a polymer matrix of a first polymer and at least one via post through the framework around each socket; placing the honeycomb array on a transparent tape so that an underside of the honey comb array contacts the transparent tape; positioning a chip terminal the down (flip chip) in each chip socket so that undersides of the dies contact the transparent tape; using optical imaging through the tape to align the chips with the via posts; applying a packing material over and around the chips in the honeycomb array, and curing the filler to embed the chips on five sides; thinning and planarizing the packing material to expose upper ends of the vias on upper side of the array; removing the transparent tape; applying a feature layer of conductors on the underside of the honeycomb array and the undersides of the chips, to couple at least one terminal of each die to at least one through via; applying a feature layer of conductors on over side of the honeycomb array such that at least one conductor extends from a through via at least partway over each chip; dicing the array to create separate dies comprising at least one embedded chip having a contract pad coupled to a through via adjacent the chip.
摘要:
An array of chip sockets defined by an organic matrix framework surrounding sockets through the organic matrix framework and further comprising a grid of metal vias through the organic matrix framework. In an embodiment, a panel includes an array of chip sockets, each surrounded and defined by an organic matrix framework including a grid of copper vias through the organic matrix framework. The panel includes at least a first region with sockets having a set of dimensions for receiving one type of chip and a second region with sockets and another set of dimensions for receiving a second type of chip.
摘要:
An electronic chip package comprising at least one chip bonded to a routing layer of an interposer comprising a routing layer and a via post layer that is surrounded by a dielectric material comprising glass fibers in a polymer matrix, wherein the electronic chip package further comprises a second layer of a dielectric material encapsulating the at least one chip, the routing layer and the wires, and methods of fabricating such electronic chip packages.
摘要:
A method of fabricating a multilayer electronic support structure comprising electroplating copper substructures, laying a dielectric pre-preg comprising a polymer resin over the copper substructures, and pressing to pressures of 200 to 600 PSI against a release film having a higher hardness than the resin of the prepreg but a lower hardness than the cured resin, and heating through a curing cycle whilst maintaining pressure.
摘要:
A composite electronic structure comprising at least one feature layer and at least one adjacent via layer, said layers extending in an X-Y plane and having height z, wherein the structure comprises at least one capacitor coupled in series or parallel to at least one inductor to provide at least one filter;the at least one capacitor being sandwiched between the at least one feature layer and at least one via in said at least adjacent via layer, such that the at least one via stands on the at least one capacitor, and the at least one of the first feature layer and the adjacent via layer includes at least one inductor extending in the XY plane.