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