Patent · US Expired

Method and apparatus for cutting polycrystalline silicon rods

US4955357A · kind A · utility

8Cited by
8References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 22, 1988
Grant dateSep 11, 1990
Priority date
Expiry dateJan 22, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T225/371
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method and apparatus for cutting polycrystalline silicon rods which comprise applying pressing forces at at least two positions on a plane perpendicular to the longitudinal axis of a polycrystalline silicon rod at a plurality of positions symmetrical to said axis.

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