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