METHOD FOR MANUFACTURING OF SEMICONDUCTOR PLATES Russian patent published in 1998 - IPC

Abstract RU 2105380 C1

FIELD: semiconductor equipment. SUBSTANCE: method involves calibration of single crystal, making main and additional cuts, splitting of single crystal into plates. Single crystal is calibrated for diameter which is greater than diameter of plates by at least 2 mm. Length of cuts L is equal to l D / d, where l is length of cut on plate, D is diameter of calibrated single crystal, d is diameter of plates. After single crystal is cut into plates, later are centered with respect to main cut and additional calibration is performed in order to achieve given diameter of plates. EFFECT: facilitated mechanical processing, increased good-to-bad ratio for manufacturing of plates within diameter tolerance range of 0.3 mm. 1 tbl, 2 dwg

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RU 2 105 380 C1

Authors

Rogov V.V.

Savushkin Ju.A.

Dates

1998-02-20Published

1996-03-15Filed