Stone working – Sawing – Rotary
Patent
1975-08-28
1977-04-12
Whitehead, Harold D.
Stone working
Sawing
Rotary
51267, 51283, 51322, B28D 104
Patent
active
040168557
ABSTRACT:
A method for segmenting a plate-like material, particularly a semiconductor wafer on which a plurality of elements are formed in regular arrangement, is provided. Segmentation is performed while flowing a fluid over the entire surface of the plate-like material to wash the surface thereof.
REFERENCES:
patent: 2911773 (1959-11-01), Gobat
patent: 3672099 (1972-06-01), Parkhurst
patent: 3831576 (1974-08-01), Mech
Hitachi , Ltd.
Whitehead Harold D.
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