发明名称 |
Use of ultrafast intense laser for processing lignocellulosic material |
摘要 |
A method of processing lignocellulosic material comprises the steps of (a) generating a pulsed laser beam consisting of a train of laser pulses, each laser pulse having a duration less than 1x10-9 sec. and a peak intensity of at least 1x1011 w/cm2; and (b) directing the laser beam generated in step (a) onto a surface of the lignocellulosic material to cause ionization and fragmentation of macro-molecules thereof. The method of the invention enables one to cut, carve and/or sand the surface of lignocellulosic material without, burning same or damaging the cells of the lignocellulosic material.
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申请公布号 |
US5862845(A) |
申请公布日期 |
1999.01.26 |
申请号 |
US19980100766 |
申请日期 |
1998.05.19 |
申请人 |
UNIVERSITE LAVAL |
发明人 |
CHIN, SEE LEANG;NADERI, NADER;LAGACE, SIMON |
分类号 |
B23K26/00;B23K26/06;B23K26/40;B27M1/00;(IPC1-7):B27M1/00;B23K15/00 |
主分类号 |
B23K26/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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