Patent · US Expired

Substrate heating device

US7189946B2 · kind B2 · utility

16Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 2005
Grant dateMar 13, 2007
Priority date
Expiry dateApr 8, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67103
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A substrate heating device is provided, including a ceramic base plate having a heating surface on which a substrate is placed, resistance heating elements buried in the ceramic base plate corresponding to a plurality of zones into which the heating surface is divided, terminals respectively connected to the resistance heating elements, and lead wires respectively connected to the terminals and wired on an outer surface of the ceramic base plate other than the heating surface.

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