Abstract:
A component can include a generally planar element, a reinforcing dielectric layer overlying the generally planar element, an encapsulation overlying the reinforcing dielectric layer, and a plurality of wire bonds. Each wire bond can have a tip at a major surface of the encapsulation. The wire bonds can have first portions extending within the reinforcing dielectric layer. The first portions of at least some of the wire bonds can have bends that change an extension direction of the respective wire bond. The reinforcing dielectric layer can have protruding regions surrounding respective ones of the wire bonds, the protruding regions extending to greater peak heights from the first surface of the generally planar element than portions of the reinforcing dielectric layer between adjacent ones of the protruding regions. The peak heights of the protruding regions can coincide with points of contact between the reinforcing dielectric layer and individual wire bonds.
Abstract:
Methods for forming connectors on die pads at a wafer level of processing include forming spots of a curable electrically conductive material over die pads and extending to or over the interconnect die edge; curing the conductive material; and in a wafer cutting procedure thereafter severing the spots. Also, die pad to z-interconnect connectors formed by the methods, and shaped and dimensioned accordingly. Also, stacked die assemblies and stacked die packages containing die prepared according to the methods and having die pad to z-interconnect connectors formed by the methods and shaped and dimensioned accordingly.
Abstract:
In a method for forming a microelectronic device, a substrate is loaded into a mold press. The substrate has a first surface and a second surface. The second surface is placed on an interior lower surface of the mold press. The substrate has a plurality of wire bond wires extending from the first surface toward an interior upper surface of the mold press. An upper surface of a mold film is indexed to the interior upper surface of the mold press. A lower surface of the mold film is punctured with tips of the plurality of wire bond wires for having the tips of the plurality of wire bond wires extending above the lower surface of the mold film into the mold film. The tips of the plurality of wire bond wires are pressed down toward the lower surface of the mold film to bend the tips over.
Abstract:
A component can include a generally planar element, a reinforcing dielectric layer overlying the generally planar element, an encapsulation overlying the reinforcing dielectric layer, and a plurality of wire bonds. Each wire bond can have a tip at a major surface of the encapsulation. The wire bonds can have first portions extending within the reinforcing dielectric layer. The first portions of at least some of the wire bonds can have bends that change an extension direction of the respective wire bond. The reinforcing dielectric layer can have protruding regions surrounding respective ones of the wire bonds, the protruding regions extending to greater peak heights from the first surface of the generally planar element than portions of the reinforcing dielectric layer between adjacent ones of the protruding regions. The peak heights of the protruding regions can coincide with points of contact between the reinforcing dielectric layer and individual wire bonds.
Abstract:
Methods for forming connectors on die pads at a wafer level of processing include forming spots of a curable electrically conductive material over die pads and extending to or over the interconnect die edge; curing the conductive material; and in a wafer cutting procedure thereafter severing the spots. Also, die pad to z-interconnect connectors formed by the methods, and shaped and dimensioned accordingly. Also, stacked die assemblies and stacked die packages containing die prepared according to the methods and having die pad to z-interconnect connectors formed by the methods and shaped and dimensioned accordingly.
Abstract:
In a method for forming a microelectronic device, a substrate is loaded into a mold press. The substrate has a first surface and a second surface. The second surface is placed on an interior lower surface of the mold press. The substrate has a plurality of wire bond wires extending from the first surface toward an interior upper surface of the mold press. An upper surface of a mold film is indexed to the interior upper surface of the mold press. A lower surface of the mold film is punctured with tips of the plurality of wire bond wires for having the tips of the plurality of wire bond wires extending above the lower surface of the mold film into the mold film. The tips of the plurality of wire bond wires are pressed down toward the lower surface of the mold film to bend the tips over.
Abstract:
In a method for forming a microelectronic device, a substrate is loaded into a mold press. The substrate has a first surface and a second surface. The second surface is placed on an interior lower surface of the mold press. The substrate has a plurality of wire bond wires extending from the first surface toward an interior upper surface of the mold press. An upper surface of a mold film is indexed to the interior upper surface of the mold press. A lower surface of the mold film is punctured with tips of the plurality of wire bond wires for having the tips of the plurality of wire bond wires extending above the lower surface of the mold film into the mold film. The tips of the plurality of wire bond wires are pressed down toward the lower surface of the mold film to bend the tips over.
Abstract:
A die has interconnect pads on an interconnect side near an interconnect edge and has at least a portion of the interconnect side covered by a conformal dielectric coating, in which an interconnect trace over the dielectric coating forms a high interface angle with the surface of the dielectric coating. Because the traces have a high interface angle, a tendency for the interconnect materials to “bleed” laterally is mitigated and contact or overlap of adjacent traces is avoided. The interconnect trace includes a curable electrically conductive interconnect material; that is, it includes a material that can be applied in a flowable form, and thereafter cured or allowed to cure to form the conductive traces. Also, a method includes, prior to forming the traces, subjecting the surface of the conformal dielectric coating with a CF4 plasma treatment.