Patent · US Expired

Heated gas box for PECVD applications

US7628863B2 · kind B2 · utility

13Cited by
26References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 2004
Grant dateDec 8, 2009
Priority date
Expiry dateJul 20, 2025

Classification

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

Abstract

A method and apparatus for a chamber for chemical vapor deposition on a substrate in a processing region comprising a gas box having a heated lid comprising a gas inlet passage, and a face plate connected to the heated lid positioned to conduct gas from the heated gas box to a substrate processing region. Also, a method for providing heat to a chemical vapor deposition chamber comprising supplying heat to a lid of a gas box, and heating a face plate connected to the gas box by heat transfer from the lid.

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