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What is Microscope? Devices that magnify details that are not visible to the unaided eye. Optical(light) Microscope Electron Microscope.

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Presentation on theme: "What is Microscope? Devices that magnify details that are not visible to the unaided eye. Optical(light) Microscope Electron Microscope."— Presentation transcript:

1 What is Microscope? Devices that magnify details that are not visible to the unaided eye. Optical(light) Microscope Electron Microscope

2 나노 분석을 위한 현미경 전자현미경(Electron Microscope):
주사전자 현미경(SEM, Scanning Electron Microscopy) 투과전자 현미경(TEM, Transmission Electron Microscopy) 원자현미경(Atomic Microscope): 주사탐침 현미경(SPM, Scanning Probe Microscopy)

3 Eye and Microscope Human Eye: 0.1mm resolution
Optical Microscope: 150nm Electron Microscope: 0.1nm SEM: 30만배(normal SEM) TEM: 200만배

4 da h k M G T deca hecto kilo mega giga tera 101 102 103 106 109 1012
Unit of Length da h k M G T deca hecto kilo mega giga tera d c m n p deci centi mili micro nano pico Å = 10-10m 1mm=1000um 1um=1000nm 1nm=10 Å

5 주사전자 현미경(SEM) SEM(Jeol, JSM-6300)

6 주사전자 현미경(SEM) SEM(Hitachi, S-2500C)

7 전계방출형 주사전자 현미경 (FE-SEM)
FE-SEM(Jeol, JSM-6700F)

8 투과전자 현미경(TEM) TEM(Jeol, JEM-2010)

9 원자현미경(SPM) SPM(Seiko, SPA-400)

10 광학현미경의 역사 1C, K. Ptolemaeos – 유리의 확대력 발견
1595년, Zacharias Janssen – 복합현미경 발명 1660년, Johannes Faber – Microscope 용어 명명 1660년, Antonie van Leeuwenhoek – 단순현미경 발명 1665년, Robert Hooke – 현미경 제작 (condensor lens system) 1836년, Sir George Biddell Airy – Airy Disk 발견 1846년, Carl Zeiss 회사 설립 1886년, Ernst Abbe – 광학현미경의 분해능 한계 발견

11 전자현미경의 역사 1895년, W. Roentgen – X-ray 발견
1897년, Sir J. J. Thomson – Electron 발견 1924년, Louis de Broglie – 전자파동설 제안 1926년, Hans Busch – 전자에 대한 자계의 렌즈작용 이론화 1931년, Max Knoll & Ernst Ruska – TEM 발명(X17) 1954년

12 Diagram of Modern SEM


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