Ultrafast Laser Microwelding using Filamentation - Osaka University
Ultrafast Laser Microwelding using Filamentation - Osaka University
Ultrafast Laser Microwelding using Filamentation - Osaka University
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Heterogeneous welding:<br />
10<br />
Pulse Energy<br />
[µJ/pulse]<br />
1<br />
0<br />
15.3 MPa 14.9 MPa<br />
15.2<br />
MPa<br />
15.1<br />
MPa<br />
15.2<br />
MPa 15.0<br />
MPa<br />
14.9<br />
MPa<br />
14.9 MPa<br />
15.0<br />
MPa<br />
14.9<br />
MPa<br />
0.1 1<br />
Scanning Speed [mm/s]<br />
Map of joining strength<br />
dissimilar kinds of glass<br />
<strong>Laser</strong><br />
Pulses<br />
Geometry<br />
Borosilicate glass<br />
39* [×10 ‐ /<br />
Fused silica glass<br />
5.9* [×10 ‐ /<br />
*Thermal expansion coefficient<br />
Wataru Watanabe, Satoshi Onda, Takayuki Tamaki,<br />
Kazuyoshi Itoh, and Junji Nishii,<br />
Appl. Phys. Lett., Vol. 89, No. 2, 021106 (2006).<br />
11
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