Patent · US Active

Integrated ultrasonic transducers

US11730451B2 · kind B2 · utility

0Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 22, 2021
Grant dateAug 22, 2023
Priority date
Expiry dateAug 17, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/1461
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Described are transducer assemblies and imaging devices comprising: a microelectromechanical systems (MEMS) die including a plurality of piezoelectric elements; a complementary metal-oxide-semiconductor (CMOS) die electrically coupled to the MEMS die by a first plurality of bumps and including at least one circuit for controlling the plurality of piezoelectric elements; and a package secured to the CMOS die by an adhesive layer and electrically connected to the CMOS die.

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