Patent · US Expired

High temperature susceptor

US5837058A · kind A · utility

505Cited by
13References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 1996
Grant dateNov 17, 1998
Priority date
Expiry dateJul 12, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/4581
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A susceptor with improved resistance to thermal cycling and chemical attack between processing and cleaning cycles. The susceptor comprises a top surface is surrounded by a lip, the lip having a beveled inner side, a top side, an outer side, a first rounded edge between the top side and the outer side, a second rounded edge between the top side and the inner side, and a third rounded edge between the inner side and the top surface. The susceptor comprises a body of graphite covered by a coating of aluminum nitride.

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