Cutting – Other than completely through work thickness or through work...
Reexamination Certificate
2004-12-16
2008-01-08
Dexter, Clark F. (Department: 3724)
Cutting
Other than completely through work thickness or through work...
C083S875000, C083S404000, C125S013010, C125S035000, C438S462000, C451S213000
Reexamination Certificate
active
07316174
ABSTRACT:
When a plate-shaped material, such as a CSP substrate, that does not require exact precision is divided, a cutting machine is provided with not only first and second chuck tables, but also first and second cutting units. Then, each plate-shaped material, which is placed on a respective chuck table, is aligned immediately before it is cut, so that the Y-axis index control and the X-axis cutting movement control are established for cutting by the cutting units. A cutting portion is cut in the first direction by the first cutting unit according to the Y-axis index control and the X-axis cutting movement control, and subsequently a cutting portion is cut in the second direction by the second cutting unit. Hence, the cutting portions of the plate-shaped materials placed on the first and second chuck tables are cut by the first and second cutting units by sharing a role.
REFERENCES:
patent: 5839337 (1998-11-01), Neu
patent: 6102023 (2000-08-01), Ishiwata et al.
patent: 2002/0184982 (2002-12-01), Smith et al.
patent: 2006/0112802 (2006-06-01), Fujinami
patent: 2001-077057 (2001-03-01), None
patent: 2005-183584 (2005-07-01), None
patent: 2007-81317 (2007-03-01), None
Dexter Clark F.
Disco Corporation
LandOfFree
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