Patent · US Active

Semiconductor package substrate and semiconductor package including the same

US11854989B2 · kind B2 · utility

0Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 2021
Grant dateDec 26, 2023
Priority date
Expiry dateMar 7, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/19103
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor package substrate includes a substrate having a bottom surface including a cavity structure defined therein. The cavity structure includes a floor surface. A passive device structure has at least a partial portion of the passive device structure disposed in the cavity structure. The passive device structure includes a first passive device and a second passive device that are each electrically connected to the floor surface of the cavity structure. At least partial portions of the first passive device and the second passive device vertically overlap each other.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.