Optical Microscopy (OM) Kev Ntsuas
Txoj Cai
Lub hauv paus ntsiab lus ntawm kev kos duab kho qhov muag tsom iav yog siv cov teeb pom kev zoo ntawm qhov chaw ntawm cov qauv kom ua rau lub zos tawg lossis qhov cuam tshuam los ua qhov sib txawv, txawm li cas los xij, vim tias lub wavelength ntawm pom lub teeb siab li 4, 000-7, 000 angstroms, nws yog ib txwm phem tshaj nyob rau hauv cov nqe lus ntawm kev daws teeb meem (los yog kev ntxub ntxaug, kev daws teeb meem, uas yog hais txog qhov ze tshaj plaws ntawm ob lub ntsiab lus uas tuaj yeem cais tawm). Raws li kev ua haujlwm dav dav, txij li qhov kev ntxub ntxaug ntawm qhov muag liab qab tsuas yog 0.2 hli, thaum qhov kev daws teeb meem zoo tshaj plaws ntawm lub tshuab tsom iav qhov muag tsuas yog 0.2 um, qhov theoretical siab tshaj plaws magnification tsuas yog 1, 000 X. Qhov kev nthuav dav yog txwv, tab sis qhov kev pom yog, ntawm qhov tsis sib xws, qhov loj tshaj plaws ntawm txhua yam ntawm cov duab kos duab, uas piav qhia tias kev soj ntsuam ntawm optical microscope tuaj yeem, qhov tseeb, tseem muab ntau heev. ntawm cov ntaub ntawv ua ntej kev tsim qauv.
Hom Tshuab
Kev txheeb xyuas cov ntawv thov
Txawm hais tias qhov kev nthuav dav thiab kev daws teeb meem ntawm optical microscopes tsis tuaj yeem ua tau raws li qhov xav tau ntawm kev soj ntsuam saum npoo ntawm ntau cov ntaub ntawv, lawv tseem siv dav hauv cov ntawv thov hauv qab no, xws li:
Cross-sectional kev soj ntsuam ntawm cov khoom;
Lub dav hlau hom ncua sij hawm qauv tsom xam thiab kev soj ntsuam;
Kev soj ntsuam ntawm Precipitate Free Zone;
Kev soj ntsuam ntawm kev sib raug zoo tsis zoo thiab overetch indentations;
Kawm txog Oxidation Enhanced Stacking Faults (OSF).
