Integrated device comprising pillar interconnect with cavity
US11721656B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2021 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Oct 22, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/3841
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A package comprising a substrate and an integrated device coupled to the substrate through a plurality of pillar interconnects and a plurality of solder interconnects. The plurality of pillar interconnects includes a first pillar interconnect comprising a first cavity. The plurality of solder interconnects comprises a first solder interconnect located in the first cavity of the first pillar interconnect. A planar cross section that extends through the first cavity of the first pillar interconnect may comprise an O shape. The first pillar interconnect comprises a first pillar interconnect portion comprising a first width; and a second pillar interconnect portion comprising a second width that is different than the first width.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.