Ultrafast Laser Microwelding using Filamentation - Osaka University

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Ultra-fast <strong>Laser</strong> Micro-welding of Glass and Copper Realizing tight contact between glass and copper 18
(a) Side view (b) Top view (c) Whole image Optical microscope images <strong>Laser</strong> source: Regenerative Ti:sapphire laser (Spectra Physics, Spitfire) Central wavelength: 800 nm Pulse duration: 130 fs Repetition rate: 1 kHz Pulse energy: 4 µJ/pulse Scan speed: 1 mm/s Joining strength: ~20 MPa 19
Page 1 and 2: Filament 08, 2nd International Symp
Page 3 and 4: Filamentation - balancing between s
Page 5 and 6: - Ultra-fast laser micro-welding of
Page 7 and 8: Optical setup Samples Fixture Setup
Page 9 and 10: Joining strength (Same material) Pu
Page 11 and 12: Heterogeneous welding: 10 Pulse Ene
Page 13 and 14: Effects of Annealing ( silica glass
Page 15 and 16: Enhancement of optical transmittanc
Page 17: Heterogeneous welding: Material *Th
Page 21 and 22: Comparison with ns-pulse welding 30
Page 23 and 24: Difference of heat sources Femtosec
Page 25 and 26: Hermetic ceiling of ceramic package
Page 27 and 28: Summary -Ultra-fast laser micro-wel

Ultrafast Laser Microwelding using Filamentation - Osaka University

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