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