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학술저널

나노초 UV 레이저 응용 IC 기판 소재 조성별 가공 특성

Characteristics of direct laser micromachining of IC substrates using a nanosecond UV laser

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Dimensions (line/space) of circuits in IC substrates for high-end chips (e.g. CPU, etc.) are anticipated to decrease as small as 10μm/10μm in 2014. Since current etch-based circuit-patterning processes are not able to address the urgent requirement from industry, laser-based circuit patterning processes are under active research in which UV laser is used to engrave embedded circuits patterns into IC substrates. In this paper, we used a nanosecond UV laser to directly fabricate embedded circuit patterns into IC substrates with/without ceramic powders. In experiments, we engraved embedded circuit patterns with dimensions (width/depth) of abut 10μm/10μm and 6μm/6μm into the IC substrates. Due to the recoil pressure occurring during ablation, the circuit patterning of the IC substrates with ceramic powders showed the higher ablation rate.

Abstract

1. 서 론

2. 실험 방법

3. 결과 및 토론

4. 결 론

후 기

References

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