Patent · US Expired

Wafer support fixture composed of silicon

US6617540B2 · kind B2 · utility

13Cited by
32References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 23, 2001
Grant dateSep 9, 2003
Priority date
Expiry dateMar 5, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67303
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A silicon wafer process fixture having various silicon members secured together. The fixture may include a plurality of generally elongate silicon support member secured to a generally planar silicon base. The silicon members may be made of monocrystalline silicon, polycrystalline silicon, or virgin polysilicon.

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