Geometrical instruments – Scriber
Reissue Patent
2002-07-18
2010-10-26
Fulton, Christopher W (Department: 2841)
Geometrical instruments
Scriber
Reissue Patent
active
RE041853
ABSTRACT:
A scribing head1of this invention raises and lowers a scribing cutter by rotation of a servomotor3.As a scribe pressure, a rotational torque of the servomotor3is transmitted to the scribing cutter. To form a scribe line across another scribe line which is formed earlier, the scribe pressure is raised temporarily when the scribing head passes the scribe line which is formed earlier. The rotational torque of the servomotor3is controlled at any of preset limits while the position of a cutter6of the scribing head shifts on the brittle substrate. The servomotor3is driven under position-control mode.
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Hayashi Keiko
Matsumoto Jun-ichi
Nishio Yoshitaka
Sakai Toshiyuki
Wakayama Haruo
Cheng Law Group PLLC
Fulton Christopher W
Mitsuboshi Diamond Industrial Co., Ltd.
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