Dicing machine with non-contact setup function

Details Dicing machine with non-contact setup function Dicing machine with non-contact setup function

1994-11-17

1997-05-13

Little, Willis

Abrading

Precision device or process - or with condition responsive...

With indicating

451 10, 451 11, 451 12, 125 1301, 125 1302, B24B 4910

Patent

active

056286732

ABSTRACT:
A dicing machine comprises a work table having a surface for supporting a workpiece and a processing element for processing the workpiece. A gap detection device detects a preselected gap between the processing element and the surface of the work table. A control device moves the processing element and the gap detection device and detects their positions. A non-contact detection device detects a non-contact condition of the gap detection device and a processing portion of the processing element. A calculating device calculates a processing position of the workpiece in accordance with the positions of the processing element and the gap detection device detected by the control device when the preselected gap between the processing element and the surface of the work table is detected by the gap detection device, and when the non-contact condition of the gap detection device and the processing portion of the processing element is detected by the non-contact detection device.

REFERENCES:
patent: 3829750 (1974-08-01), Centner et al.
patent: 3905161 (1975-09-01), Tomita et al.
patent: 5174270 (1992-12-01), Katayama et al.
patent: 5184428 (1993-02-01), Feldt et al.
patent: 5237779 (1993-08-01), Ota
patent: 5245759 (1993-09-01), Pearson
patent: 5335454 (1994-08-01), Ilek et al.
patent: 5458526 (1995-10-01), Tsukada et al.

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