Method and apparatus for cutting a cylindrical material

Details Method and apparatus for cutting a cylindrical material Method and apparatus for cutting a cylindrical material

1988-02-18

1990-02-27

Yost, Frank T.

Stone working

Sawing

Rotary

125 13SS, 125 14, 83 22, 83152, 83458, 83460, 83462, 83465, 269 21, 269 43, 269 75, 269269, B24B 2706, B28D 104

Patent

active

049036815

ABSTRACT:
Method and apparatus for cutting a cylindrical material formed of silicone or the like which is an original material to produce semiconductor devices, using a rotary blade. In the cutting method, the base end side of the cylindrical material is fixed and at the same time, before the cutting of the cylindrical material is started, the cutting side of the cylindrical material is also fixed according to the shape thereof. The cutting is performed while maintaining such fixed conditions until the cutting is completed.

REFERENCES:
patent: 3804397 (1974-04-01), Neumann
patent: 3844269 (1974-10-01), Rater
patent: 3855738 (1974-12-01), Guggenheim, Sr. et al.
patent: 3910620 (1975-10-01), Sperry
patent: 3941364 (1976-03-01), Hjelm et al.
patent: 4110937 (1978-09-01), Bein
patent: 4209005 (1980-06-01), Tremeau
patent: 4420909 (1983-12-01), Steere, Jr.
patent: 4684113 (1987-08-01), Douglas et al.
patent: 4771759 (1988-09-01), Zoebeli

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