Patent · US Expired

Apparatus and method for controlling gradients in radio frequency heating

US5134261A · kind A · utility

17Cited by
8References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1990
Grant dateJul 28, 1992
Priority date
Expiry dateMar 30, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T117/1092
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A composite susceptor for a radio frequency (RF) heated crystal growing furnace has a plurality of stacked electrically insulating and electrically conducting elements about the crucible area so that a proper temperature gradient is established and controlled.

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