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유래형(Rae-hyeong Ryu),임시형(Si-Hyung Lim),정재일(Jay I. Jeong),신동훈(Donghoon Shin),장시열(Siyeol Jang),임홍재(Hongjae Im),이기성(Kee-sung Lee) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
Contacts between mold and substrate material during a process of a nano-imprint are indispensable for manufacturing LCD. Non-uniform stress and stress concentration can cause the degradation of mold and substrate materials. The stresses increase up to high value due to decreasing size of micro and nano components. Therefore the purpose of this study is to investigate the contact damage behavior of mold and substrate materials for nano-imprint apparatus. We analyzed stress change as a function of load as the line width of substrate material changes. We also examined the contact damages of Silicon, PDMS, Glass and Silicon Carbide materials using spherical indentation. The indentation load and number of cycles of contacts are varied during indentation. Indentation stress-strain curves, surface views of contact damages and mechanical properties are characterized for the mold and the substrate materials. As a result, the mechanical properties and contact damages of the nanostructured SiC showed high damage tolerance.
근치적 절제 후 재발한 1,2기 비소세포폐암 환자의 임상상
함형석 ( Ham Hyeong Seog ),강수정 ( Kang Su Jeong ),안창혁 ( An Chang Hyeog ),안종운 ( An Jong Un ),김호철 ( Kim Ho Cheol ),임시형 ( Im Si Hyeong ),서지영 ( Seo Ji Yeong ),김관민 ( Kim Gwan Min ),정만표 ( Jeong Man Pyo ),김호중 ( 대한결핵 및 호흡기학회 2000 Tuberculosis and Respiratory Diseases Vol.48 No.4
백혈병 환자에서 발생한 폐침윤의 진단 및 치료에 있어 침습적 검사의 역할
강수정 ( Kang Su Jeong ),박상준 ( Park Sang Jun ),안창혁 ( An Chang Hyeog ),안종운 ( An Jong Un ),김호철 ( Kim Ho Cheol ),임시형 ( Im Si Hyeong ),서지영 ( Seo Ji Yeong ),김호중 ( Kim Ho Jung ),권오정 ( Kwon O Jeong ),이홍기 ( Lee 대한결핵 및 호흡기학회 2000 Tuberculosis and Respiratory Diseases Vol.48 No.4