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Optica Publishing Group
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies
  • Technical Digest (CD) (Optica Publishing Group, 2004),
  • paper PTuE3

Laser micromachining using custom-based direct write and diffractive optic focusing technologies

Open Access Open Access


Chemically assisted thermally enhanced laser direct write etch technology produces vertically walled 20 µm via structures in semi-insulating substrates at 20 µm/sec drilling speed highly surpassing drilling speed of ICP or DRIE at 0.5-2 µm/min. Diffractive optic focusing excimer-based ablation technology produces 25 µm diameter vias in 50 µm-thick polyimide film at the highest rate known up-to-date of 1500 vias/sec.

© 2004 Optical Society of America

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