Patent · US Expired

Gas chromatography system and detector and method

US4471647A · kind A · utility

53Cited by
7References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 1982
Grant dateSep 18, 1984
Priority date
Expiry dateMar 22, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N30/88
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

There is described a gas chromatographic assembly formed on a semiconductor wafer by etching techniques. There is also described an improved thermal detector for use therewith.

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