H01L2924/20751

Package-on-package assembly with wire bond vias

A microelectronic package includes a substrate having a first surface. A microelectronic element overlies the first surface. Electrically conductive elements are exposed at the first surface of the substrate, at least some of which are electrically connected to the microelectronic element. The package includes wire bonds having bases bonded to respective ones of the conductive elements and ends remote from the substrate and remote from the bases. The ends of the wire bonds are defined on tips of the wire bonds, and the wire bonds define respective first diameters between the bases and the tips thereof. The tips have at least one dimension that is smaller than the respective first diameters of the wire bonds. A dielectric encapsulation layer covers portions of the wire bonds, and unencapsulated portions of the wire bonds are defined by portions of the wire bonds, including the ends, are uncovered by the encapsulation layer.

Packaging Mechanisms for Dies With Different Sizes of Connectors
20200251463 · 2020-08-06 ·

A semiconductor package includes a package substrate. A redistribution structure is bonded to the package substrate. A bottommost surface of the redistribution structure is lower than a topmost surface of the package substrate. A conductive connector electrically couples the redistribution structure to the package substrate. The conductive connector physically contacts a sidewall of the redistribution structure. A first integrated circuit die is bonded to the redistribution structure through first bonding structures and is bonded to the package substrate through second bonding structures. The first bonding structures and the second bonding structures have different sizes.

Packaging Mechanisms for Dies With Different Sizes of Connectors
20200251463 · 2020-08-06 ·

A semiconductor package includes a package substrate. A redistribution structure is bonded to the package substrate. A bottommost surface of the redistribution structure is lower than a topmost surface of the package substrate. A conductive connector electrically couples the redistribution structure to the package substrate. The conductive connector physically contacts a sidewall of the redistribution structure. A first integrated circuit die is bonded to the redistribution structure through first bonding structures and is bonded to the package substrate through second bonding structures. The first bonding structures and the second bonding structures have different sizes.

Palladium-coated copper bonding wire, wire bonding structure, semiconductor device, and manufacturing method of semiconductor device

The bonding wire being a Pd-coated copper bonding wire includes: a copper core material; and a Pd layer and containing a sulfur group element, in which with respect to the total of copper, Pd, and the sulfur group element, a concentration of Pd is 1.0 mass % to 4.0 mass % and a total concentration of the sulfur group element is 50 mass ppm or less, and a concentration of S is 5 mass ppm to 2 mass ppm, a concentration of Se is 5 mass ppm to 20 mass ppm, or a concentration of Te is 15 mass ppm to 50 mass ppm or less. A wire bonding structure includes a Pd-concentrated region with the concentration of Pd being 2.0 mass % or more relative to the total of Al, copper, and Pd near a bonding surface of an Al-containing electrode of a semiconductor chip and a ball bonding portion.

Thermally and electrically conductive adhesive composition

The present invention relates to a thermally and electrically conductive adhesive composition, which includes (A) an electrically conductive filler, (B) an epoxy resin, (C) a reactive diluent, and (D) a curing agent, wherein the component (A) is a silver powder having an average particle diameter of 1 to 10 m, the component (B) has two or more epoxy functional groups and aromatic rings in each molecule, the component (C) is a compound having two or more glycidyl ether functional groups in an aliphatic hydrocarbon chain and also having a molecular weight of 150 to 600, and the component (D) is a compound having two or more phenol functional groups in each molecule, a compound having two or more aniline functional groups in each molecule, or a mixture of these compounds, and the content of each of the components (A), (B), (C), and (D) is within a specific range.

Packaging mechanisms for dies with different sizes of connectors

A semiconductor package includes a package substrate. A redistribution structure is bonded to the package substrate. A bottommost surface of the redistribution structure is lower than a topmost surface of the package substrate. A conductive connector electrically couples the redistribution structure to the package substrate. The conductive connector physically contacts a sidewall of the redistribution structure. A first integrated circuit die is bonded to the redistribution structure through first bonding structures and is bonded to the package substrate through second bonding structures. The first bonding structures and the second bonding structures have different sizes.

Packaging mechanisms for dies with different sizes of connectors

A semiconductor package includes a package substrate. A redistribution structure is bonded to the package substrate. A bottommost surface of the redistribution structure is lower than a topmost surface of the package substrate. A conductive connector electrically couples the redistribution structure to the package substrate. The conductive connector physically contacts a sidewall of the redistribution structure. A first integrated circuit die is bonded to the redistribution structure through first bonding structures and is bonded to the package substrate through second bonding structures. The first bonding structures and the second bonding structures have different sizes.

Multiple plated via arrays of different wire heights on same substrate
10629567 · 2020-04-21 · ·

Apparatus(es) and method(s) relate generally to via arrays on a substrate. In one such apparatus, the substrate has a conductive layer. First plated conductors are in a first region extending from a surface of the conductive layer. Second plated conductors are in a second region extending from the surface of the conductive layer. The first plated conductors and the second plated conductors are external to the first substrate. The first region is disposed at least partially within the second region. The first plated conductors are of a first height. The second plated conductors are of a second height greater than the first height. A second substrate is coupled to first ends of the first plated conductors. The second substrate has at least one electronic component coupled thereto. A die is coupled to second ends of the second plated conductors. The die is located over the at least one electronic component.

Multiple plated via arrays of different wire heights on same substrate
10629567 · 2020-04-21 · ·

Apparatus(es) and method(s) relate generally to via arrays on a substrate. In one such apparatus, the substrate has a conductive layer. First plated conductors are in a first region extending from a surface of the conductive layer. Second plated conductors are in a second region extending from the surface of the conductive layer. The first plated conductors and the second plated conductors are external to the first substrate. The first region is disposed at least partially within the second region. The first plated conductors are of a first height. The second plated conductors are of a second height greater than the first height. A second substrate is coupled to first ends of the first plated conductors. The second substrate has at least one electronic component coupled thereto. A die is coupled to second ends of the second plated conductors. The die is located over the at least one electronic component.

WIRE BOND WIRES FOR INTERFERENCE SHIELDING

Apparatuses relating generally to a microelectronic package having protection from interference are disclosed. In an apparatus thereof, a substrate has an upper surface and a lower surface opposite the upper surface and has a ground plane. A first microelectronic device is coupled to the upper surface of the substrate. Wire bond wires are coupled to the ground plane for conducting the interference thereto and extending away from the upper surface of the substrate. A first portion of the wire bond wires is positioned to provide a shielding region for the first microelectronic device with respect to the interference. A second portion of the wire bond wires is not positioned to provide the shielding region. A second microelectronic device is coupled to the substrate and located outside of the shielding region. A conductive surface is over the first portion of the wire bond wires for covering the shielding region.