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작성자백만스믈하나 조회 5회 작성일 2020-11-19 20:21:32 댓글 0


Laser pulse ablation of Si wafer

Ablation of a silicon substrate with laser pulses. This is an old feasibility study (not validated!). Simulation carried out at the Research Unit of Photonic Technologies (Vienna University of Technology).

Process parameters:
λ: 355nm,
spot size: 10µm,
pulse energy: 50µJ,
pulse length: 50ns,
pulse frequency: 250kHZ,
path: 4 pulses,
scanning speed: 670mm/s (typo in video)

The simulation environment used was OpenFOAM (

Silicon Wafer Production

Silicon Wafer Production: Czochralski growth of the silicon ingot, wafer slicing, wafer lapping, wafer etching and finally wafer polishing

Destroy single crystalline Si wafer

I wanted to find out the orientation of this single crystalline Si wafer.




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