Electric heating – Metal heating – By arc
Reexamination Certificate
2004-03-31
2009-02-17
Evans, Geoffrey S (Department: 3742)
Electric heating
Metal heating
By arc
C219S121680, C219S121690
Reexamination Certificate
active
07491909
ABSTRACT:
A method for laser machining of material using a burst comprised of laser pulses. The method tailors the pulse width, pulse separation duration, wavelength and polarization of the multiple laser pulses included in a burst to maximize the positive effect of thermal and physical changes achieved by previous pulses that have impinged upon the machined material.
REFERENCES:
patent: 4306771 (1981-12-01), Bjorklund
patent: 5539764 (1996-07-01), Shields
patent: 5656186 (1997-08-01), Maourou et al.
patent: 5719372 (1998-02-01), Togari et al.
patent: 5720894 (1998-02-01), Neev
patent: 5742634 (1998-04-01), Rieger
patent: 5756924 (1998-05-01), Early
patent: 5761111 (1998-06-01), Glezer
patent: 5790574 (1998-08-01), Rieger
patent: 5911891 (1999-06-01), Dulaney et al.
patent: 6324195 (2001-11-01), Suzuki et al.
patent: 6399914 (2002-06-01), Troitski
patent: 6462307 (2002-10-01), Hennig et al.
patent: 6541731 (2003-04-01), Mead et al.
patent: 6552301 (2003-04-01), Herman et al.
patent: 6574250 (2003-06-01), Sun et al.
patent: 6664498 (2003-12-01), Forsman et al.
patent: 6727458 (2004-04-01), Smart
patent: 6809291 (2004-10-01), Neil et al.
patent: 6879605 (2005-04-01), Kyusho
patent: 2002/0097761 (2002-07-01), Sucha et al.
patent: 2002/0125227 (2002-09-01), Sun et al.
patent: 2002/0137311 (2002-09-01), Timans
patent: 2002/0167581 (2002-11-01), Cordingley et al.
patent: 2003/0151033 (2003-08-01), Shepherd et al.
patent: 2003/0151053 (2003-08-01), Sun et al.
patent: 2003/0196995 (2003-10-01), Jennings
patent: 2003/0205561 (2003-11-01), Iso
patent: 2003/0216012 (2003-11-01), Sasaki et al.
patent: 2004/0134896 (2004-07-01), Gu et al.
patent: 2004/0214411 (2004-10-01), Yamazaki et al.
patent: 2005/0041976 (2005-02-01), Sun et al.
patent: 2005/0067388 (2005-03-01), Sun et al.
patent: 2005/0073689 (2005-04-01), Pang et al.
patent: 2006/0131288 (2006-06-01), Sun et al.
patent: 2006/0192845 (2006-08-01), Cordingley et al.
patent: 1260838 (2002-11-01), None
patent: 2001-326190 (2001-11-01), None
patent: WO 2004-107510 (2004-12-01), None
Translation of EP 1,260,838 A2 , Translated by McElroy Translation Company for the U.S. Patent and Trademark Office on May 2007.
‘Ultrafast pulse train micromachining’, Ihtesham H. Choedhury, et al, Spie Proceedings, vol. 4978 (2003) pp. 138-146.
‘Laser-induced breakdown spectroscopy of steel samples using multiple Q-switch Nd: YAG laser pulses’, R. Sattmann et al., J. Phys. D: Appl. Phys. 28, (1995) p. 2181-2187.
Arai Alan Y.
Harter Donald J.
Patel Rajesh S.
Yamamoto Tadashi
Evans Geoffrey S
IMRA America, Inc.
Sughrue & Mion, PLLC
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