Patent · US Active

Chemical sensor with air via

US11231388B2 · kind B2 · utility

1Cited by
5References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 19, 2019
Grant dateJan 25, 2022
Priority date
Expiry dateAug 27, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01L2300/0636
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In one embodiment, a chemical sensor is described. The chemical sensor includes a chemically-sensitive field effect transistor including a floating gate conductor having an upper surface, a first opening extending through a first material and through a portion of a second material located on the first material and a second opening extending from the bottom of the first opening to the top of a liner layer located on the upper surface of the floating gate conductor.

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