[재료분석실험] DOF change by Aperture size(영문)

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[재료분석실험] DOF change by Aperture size(영문)에 대한 자료입니다.
목차
1. Purpose
2. Theory
① Aperture
② Depth of Field
③ Resolution
④ Effect of convergence angle
⑤ Probe current & diameter effect
⑥ Effect of magnification
3. Procedure
4. Result
5. Reference
본문내용
To understand operation system of SEM
To acknowledge of D.O.F and Resolution
To find what becomes differ by Aperture Size
Aperture
D.O.F / Resolution
Convergence angle
Probe current
Probe diameter
Change Aperture
Change Magnification

How to change D.O.F
How to change resolution

An aperture is a hole or an entrance which is passing light.
Controlling aperture size related to the amount of electrons.
As aperture size changes
1. Probe convergence angle
2. Probe current
3. Probe diameter
The portion of a scene that appears acceptably sharp in the image.
Easily speaking, range in focus.
D.O.F is in inverse proportion to
radius of aperture size(RAP) (WD: Working distance)

참고문헌
황인옥, 김재천 공역, 『주사전자현미경의 기초』, 일본전자현미경학회 관동지부 편 (1994)
이정용 저, 『전자현미경의 원리와 응용』, 민음사(1997)
Allen J. Bard, Michael V. Mirkin ,『 Scanning electrochemical microscopy 』 ,Marcel Dekker (2001)
수업 관련 PPT file
http://vitabrevis.egloos.com/2502963
http://press.sportsseoul.com/1533
주사전자현미경의 원리, http://www.emal.engin.umich.edu/courses/SEM_lectureCW/SEM_bse1.html
주사 전자현미경의 원리, http://blog.daum.net/picaso34/16139320
주사 전자현미경의 원리, http://www.epartsmall.com/bbs_detail.php?bbs_num=295&tb=board_equipment