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½ÇÇè: Photo Lithography

1. ½ÇÇè ¸ñÀû

MOS CAPÀ» Á¦ÀÛÇÏ´Â ÀüüÀÇ °øÁ¤¿¡¼­ ¡®Wafer cleaning & Oxidation¡¯ °øÁ¤À» ½Ç½ÃÇÑ ÈÄ
Si±âÆÇ À§¿¡ ÆÐÅÏÀ» Çü¼ºÇÏ´Â °øÁ¤ÀÎ ¡®Photo lithography¡¯¸¦ ½Ç½ÃÇϸç FE-SEMÀ» ÀÌ¿ëÇÏ¿©
PR inspectionÀ» ÃøÁ¤ÇÑ´Ù. À̹ø ½ÇÇè¿¡¼­ PRµÎ²²´Â 1~2micro meter·Î, Developing timeÀº
90sec·Î °íÁ¤Çϸç Exposure timeÀ» 2, 5 10sec·Î º¯È­¸¦ ÁÖ¾î ³ë±¤ ½Ã°£À» Á¶Á¤ÇÔ¿¡ µû¶ó
PR°øÁ¤ °á°ú¿¡ ¾î¶² ¿µÇâÀ» ÁÖ´ÂÁö È®ÀÎÇÏ°íÀÚ ÇÑ´Ù.

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Developing time
Exposure time
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90 sec
2 sec
5 sec
10 sec
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PR coater, Hot plate, PR developer, Stripping chemical, FE-SEM, ±¤ÇÐÇö¹Ì°æ,
Si wafer ½Ã·á

´Ù. ½ÇÇè °úÁ¤

1) Cleaning °úÁ¤À» ¸¶Ä£ ½Ã·á( /Si(001))¸¦ 200¡É¿¡¼­ 10¿© ºÐ°£ dehydration ½ÃŲ´Ù.

2) ½Ã·á¸¦ HMDS¶ó´Â Á¢Âø·ÂÀ» ÁõÁø½ÃÅ°´Â ¹°ÁúÀ» »ç¿ëÇÏ¿© Áõ±â¿¡ 10¿© ºÐ°£

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5) ¼ö ºÐ°£ ½Ã·á¸¦ ´ë±â Áß¿¡ ³öµÖ relaxation ½ÃŲ´Ù.

6) Æ÷Å丶½ºÅ©(ÇÑÂÊ ¸éÀÌ °¨±¤ À¯Á¦³ª ±Ý¼Ó¸·À¸·Î ÆÐÅÏÀÌ µÇ¾î ÀÖ´Â »ç°¢ÇüÀÇ À¯¸®ÆÇ)¿Í

7) ³ë±¤ÀÌ ³¡³­ ÈÄ ½Ã·á¸¦ TMAH ¿ë¾×¿¡ 1ºÐ 30ÃÊ °£ ´ã°¡¼­ Çö»óÇÑ´Ù.

8) Photo lithography °øÁ¤ÀÌ ³¡³­ ½Ã·á´Â ±¤ÇÐÇö¹Ì°æÀ» ÅëÇÏ¿© PR µÎ²² º¯È­¸¦

9) ³ë±¤½Ã°£À» 5ÃÊ, 10ÃÊ·Î ÇÏ¿© À§ÀÇ ½ÇÇèÀ» ¹Ýº¹ÇÑ´Ù.



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ID : leew*****
Regist : 2015-02-23
Update : 2015-02-23
FileNo : 15022378

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°øÇÐ   ±â¼ú   ¹ÝµµÃ¼°øÁ¤   ½ÇÇè   Photo   Lithography  


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