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