Method and apparatus for cutting polycrystalline silicon rods

Details Method and apparatus for cutting polycrystalline silicon rods Method and apparatus for cutting polycrystalline silicon rods

1988-01-22

1990-09-11

Yost, Frank T.

Stone working

Splitting, shearing, and punching

125 35, 225 1, 225 97, 225103, B28D 504

Patent

active

049553577

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.

REFERENCES:
patent: 2557098 (1951-06-01), Graham et al.
patent: 2874688 (1959-02-01), Biesanz, Sr. et al.
patent: 2888915 (1959-06-01), Entz et al.
patent: 3257055 (1966-06-01), Arnott
patent: 3901423 (1975-08-01), Hillberry et al.
patent: 4158976 (1979-06-01), Ditges
patent: 4562628 (1986-01-01), Marneffe et al.
patent: 4693403 (1987-09-01), Sprouse

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