Patent · US Expired

Apparatus for vaporizing liquid raw material and apparatus for forming thin film

US5421895A · kind A · utility

35Cited by
18References
6Claims
0Family size

Inventors

Key dates

Filing dateDec 22, 1992
Grant dateJun 6, 1995
Priority date
Expiry dateDec 22, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/4486
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus for vaporizing a liquid raw material comprises a nozzle with an open tip end for ejecting a liquid raw material into a heated gas atmosphere as liquid droplets and a heated plate with a small opening disposed in front of the nozzle, a space opposite to that occupied by the nozzle with respect to the plate being evacuated.

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