Patent · US Active

Thermal airflow sensor

US10240957B2 · kind B2 · utility

1Cited by
0References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 2018
Grant dateMar 26, 2019
Priority date
Expiry dateMay 14, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/1815
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A thermal airflow sensor includes a semiconductor device, a protective film a bonding wire, and a resin. The resin covers over a part of the semiconductor device so that the bonding wire is covered with the resin and the region including a thin-wall portion is exposed. The protective film is not covered with the resin and has an outer peripheral edge located outside the thin-wall portion.

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