Patent · US Active

Linear electron source, evaporator using linear electron source, and applications of electron sources

US8294115B2 · kind B2 · utility

0Cited by
8References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 2008
Grant dateOct 23, 2012
Priority date
Expiry dateMar 25, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J37/3053
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A linear plasma electron source is provided. The linear plasma electron source includes a housing acting as a first electrode, the housing having side walls a slit opening in the housing for trespassing of a electron beam, the slit opening defining a length direction of the source, a second electrode being arranged within the housing and having a first side facing the slit opening, the first side being spaced from the slit opening by a first distance, wherein the length of the electron source in the length direction is at least 5 times the first distance, and at least one gas supply for providing a gas into the housing.

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