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