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