H01L2224/1607

3D INTEGRATED CIRCUIT (3DIC) STRUCTURE
20230230962 · 2023-07-20 ·

An embodiment bonded integrated circuit (IC) structure includes a first IC structure and a second IC structure bonded to the first IC structure. The first IC structure includes a first bonding layer and a connector. The second IC structure includes a second bonding layer bonded to and contacting the first bonding layer and a contact pad in the second bonding layer. The connector extends past an interface between the first bonding layer and the second bonding layer, and the contact pad contacts a lateral surface and a sidewall of the connector.

Integrated mechanical aids for high accuracy alignable-electrical contacts

A method and apparatus for laterally urging two semiconductor chips, dies or wafers into an improved state of registration with each other, the method and apparatus employing microstructures comprising: a first microstructure disposed on a first major surface of a first one of said two semiconductor chips, dies or wafers, wherein the first microstructure includes a sidewall which is tapered thereby disposing it at an acute angle compared to a perpendicular of said first major surface, and a second microstructure disposed on a first surface of a second one of said two semiconductor chips, dies or wafers, wherein the shape of the second microstructure is complementary to, and mates with or contacts, in use, the first microstructure, the second microstructure including a surface which contacts said sidewall when the first and second microstructures are mated or being mated, the sidewall of the first microstructure and the surface of the second microstructure imparting a lateral force for urging the two semiconductor chips, dies or wafers into said improved state of registration.

Stackable via package and method

A stackable via package includes a substrate having an upper surface and a trace on the upper surface, the trace including a terminal. A solder ball is on the terminal. The solder ball has a solder ball diameter A and a solder ball height D. A via aperture is formed in a package body enclosing the solder ball to expose the solder ball. The via aperture includes a via bottom having a via bottom diameter B and a via bottom height C from the upper surface of the substrate, where A<B and 0=<C<1/2×D. The shape of the via aperture prevents solder deformation of the solder column formed from the solder ball as well as prevents solder bridging between adjacent solder columns.

Bowl shaped pad
11694976 · 2023-07-04 · ·

Embodiments described herein provide techniques for forming an interconnect structure that includes a bowl shaped pad. Such embodiments can assist with improving interconnect joint reliability when compared to conventional pads that have a flat surface. An interconnect structure may comprise: a substrate (e.g., a semiconductor package, a PCB, etc.); and a metal pad over the substrate. The metal pad has a center region and an edge region. A thickness of the center region is smaller than a thickness of the edge region. A thickness of the center region may be non-uniform. The center region may have a bowl shape characterized by a stepped profile. The stepped profile is formed from metal layers arranged as steps. Alternatively, or additionally, the center region may have a bowl shape characterized by a curved profile. A pattern may be formed on or in a surface of the metal pad.

CONNECTOR

The present disclosure relates to an electronic device comprising a wafer comprising a first upper surface having at least one first contact arranged thereon; and at least one die comprising a second upper surface having at least one second contact arranged thereon, and at least one first lateral surface orthogonal to the second upper surface, said first contact being coupled to said second contact by a connector comprising one first conductive pillar formed on said first contact of said wafer; one second conductive pillar formed on said second contact of said die; and at least one conductive ball positioned in contact with at least a first upper portion of said first pillar(s) and in contact with at least one second upper portion of said second pillar(s).

SEMICONDUCTOR PACKAGE

A semiconductor package may include vertically-stacked semiconductor chips and first, second, and third connection terminals connecting the semiconductor chips to each other. Each of the semiconductor chips may include a semiconductor substrate, an interconnection layer on the semiconductor substrate, penetration electrodes connected to the interconnection layer through the semiconductor substrate, and first, second, and third groups on the interconnection layer. The interconnection layer may include an insulating layer and first and second metal layers in the insulating layer. The first and second groups may be in contact with the second metal layer, and the third group may be spaced apart from the second metal layer. Each of the first and third groups may include pads connected to a corresponding one of the first and third connection terminals in a many-to-one manner. The second group may include pads connected to the second connection terminal in a one-to-one manner.

SUBSTRATE PAD AND DIE PILLAR DESIGN MODIFICATIONS TO ENABLE EXTREME FINE PITCH FLIP CHIP (FC) JOINTS
20220352115 · 2022-11-03 ·

An electronic component includes a device die and a substrate. The device die includes conductive contacts with conductive pillars conductively affixed to conductive contact. The conductive pillars include a cavity formed in an end of the conductive pillar opposite the conductive contact. The substrate includes of conductive pads that are each associated with one of the conductive contacts. The conductive pads include a conductive pad conductively affixed to the substrate, and a conductive ring situated within a cavity in the end conductive rings have a capillary formed along an axis of the conductive ring. A solder material fills the capillary of each of the conductive rings and the cavity formed in the end of the associated conductive pillars to form a conductive joint between the pillars and the conductive pads.

SUPPORTING BACKPLANE, MANUFACTURING METHOD THEREFOR AND BACKPLANE

The present disclosure provides a supporting substrate, including: a base substrate and a plurality of connecting electrodes provided on the base substrate, wherein a clamping electrode is provided on a side of at least one of the connecting electrodes facing away the base substrate, the clamping electrode is electrically connected with a corresponding connecting electrode and configured to be capable of clamping and fixing an electrode pin of the micro-light emitting device. The present disclosure also provides a manufacturing method for the supporting substrate, and a backplane.

MANUFACTURING METHOD OF AN ELECTRONIC APPARATUS
20220328448 · 2022-10-13 · ·

A manufacturing method of an electronic apparatus is provided, and the manufacturing method includes following steps. A substrate is provided. A plurality of first bonding pads are formed on the substrate. A plurality of electronic devices are provided, and each of the electronic devices includes at least one second bonding pad. The second bonding pads of the electronic devices corresponding to the first bonding pads are laminated onto the corresponding first bonding pads on the substrate, so as to bond the electronic devices to the substrate. The corresponding first and second bonding pads respectively have bonding surfaces with different surface topographies. The manufacturing method of the electronic apparatus is capable of reducing short circuit during a bonding process or improving a bonding yield.

Interconnect using nanoporous metal locking structures

Embodiments relate to the design of a device capable of maintaining the alignment an interconnect by resisting lateral forces acting on surfaces of the interconnect. The device comprises a first body comprising a first surface with a nanoporous metal structure protruding from the first surface. The device further comprises a second body comprising a second surface with a locking structure to resist a lateral force between the first body and the second body during or after assembly of the first body and the second body.