Patent · US Active

Integrated device comprising pillar interconnect with cavity

US11721656B2 · kind B2 · utility

0Cited by
0References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 2021
Grant dateAug 8, 2023
Priority date
Expiry dateOct 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.