Lect05_notes

Half angle of the cone of electron impingement

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Unformatted text preview: Total current impinging on specimen surface! • Half-angle of the cone of electron impingement! Electron beam accelerating voltage, V0 (kV)! !  • Accelerating voltage imparted to impinging beam! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 05 ! 5 ! ! ! Magnification! ! ! ! ! ! ! ./%01&)"(+(#&,(-"0('0#/&")%20340#/&")(") ,/%05%"),/0-+0,/%0'#&"0-"0,/%0'6%#(1%" 7$%5&,(8%0,-0&0+(9%205%"),/0-"0,/%02('65&4 2%8(#%:;0./%01&)"(+(#&,(-"0('0<=',0)(8%"034> !"# ! $%&'()"* $+(,-&.,/ ?"0("#$%&'%0("01&)"(+(#&,(-"0('0-3,&("%2034 $%2=#(")0,/%0'@%%60-+0,/%0%5%#,$-"03%&10&' (,0$&',%$'A0@/(5%0,&B(")0,/%0'&1%0"=13%$0-+ 2&,&06-(",'; !"#$%&'(") *&)"(+(#&,(-" CBEMS 164 – XRD, SEM & Microanalysis: Lecture 05 ! 6 Magnification! ! ! ! ! ! ! CBEMS 164 –...
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