DISCRIM Vitreous Carbon international journal of advanced manufacturing technology Materials & Design elsevier Glassy Carbon Silicon Wafer PIEZO 춘계 KSPE Soda-lime machining VC Microneedle 포스터 IJAMT AI cemented carbide 실리콘 PRESM micro 춘계학술대회 Microgrinding GC Needle 소다라임 유리질 탄소 EDM zirconia Bi-LSTM AMT WC 학술대회 정밀 edge crater LabVIEW Characteristic Soda-lime glass 2025 electrical discharge machining Conference Micro grinding JKSPE 한국정밀공학회 2024 소다라임유리 2018 Silicon 실리콘 웨이퍼 Autumn Ceramic Soda Lime ZrO2 유리질탄소 PRESM2025 정밀공학회 Lab on a Chip discharge crater