Re: sem¿¡ ´ëÇÏ¿© ±Ã±ÝÇÕ´Ï´Ù


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Posted by Park on March 16, 1998 at 19:50:43:

In Reply to: sem¿¡ ´ëÇÏ¿© ±Ã±ÝÇÕ´Ï´Ù posted by À̸íȯ on March 13, 1998 at 15:21:11:

SEMÀº ½Ã·á¿¡ electron beamÀ» ÁÖ»çÇÏ¿©(scanning)
½Ã·á·ÎºÎÅÍ ³ª¿À´Â 2Â÷ ÀüÀÚ(secondary electron)À»
°ËÃâÇÏ¿©(scintillatorÀÌ¿ë) ±¤ÀüÁõ¹è°ü(photo multiplier)·Î
ÁõÆøÈÄ CRT¿¡¼­ ¿µ»óÈ­ ½ÃÄѼ­ 3Â÷¿øÀÇ ÀÔü±¸Á¶¸¦
°üÂûÇÏ´Â ÀüÀÚÇö¹Ì°æÀÔ´Ï´Ù. TEMÀÌ ÀüÀÚ ºöÀÌ ½Ã·á¸¦
Åõ°úÇÏ¿© ¾ò¾îÁö´Â °Í¿¡ ºñÇÏ¿© SEMÀº ½Ã·á¸¦
ÁÖ»çÇϹǷΠScanning EM À̶ó ÇÕ´Ï´Ù.
¼öÂ÷´Â ±¤Çа迡¼­´Â ºû¿¡ ÀÇÇÏ¿© ¹ß»ýÇϳª EM ¿¡¼­´Â
±¤¿øÀ» ÀüÀÚ¸¦ »ç¿ëÇϹǷΠ±¸¸é¼öÂ÷(ÀüÀÚ°¡ ÇÑÁ¡¿¡¼­
¸ðÀÌÁö ¸øÇÏ´Â °æ¿ì) ºñÁ¡¼öÂ÷(ºöÀÇ Á÷°æÀÌ Å¸¿øÇüÀ¸·Î
Âî±×·¯Áö´Â °æ¿ì) »ö¼öÂ÷(ÀüÀÚÀÇ ¿¡³ÊÁö Â÷ÀÌ¿¡ÀÇÇÏ¿©
¹ß»ý) µîÀÌ ´ëÇ¥Àû ¼öÂ÷ÀÔ´Ï´Ù.
´ÙÀ½ºÎÅÍ´Â ¸ÕÀú ½ÅºÐÀ» ¹àÈ÷½Ã±æ ¹Ù¶ó¸ç, Áö¸é °ü°è»ó
´ë·«ÀûÀ¸·Î ¼³¸íÇßÀ¸´Ï ÀÚ¼¼ÇÏ°Ô ¾Ë°í ½ÍÀ¸¸é ¿¬±¸È¸¿¡
°¡ÀÔÇÏ¿© Çмú Áý´ãȸ¿¡ Âü¼®ÇÏ¿© ¾Ë¾Æº¸½Ã±æ ¹Ù¶ø´Ï´Ù.



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