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Æ÷Å丮¼Ò(Photolithography)
°¡°ø¹æ¹ý ¹× Àû¿ëºÐ¾ß¿¡ ´ëÇؼ
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1.1 Æ÷Å丮¼Ò±×·¡ÇÇ(Photolithography)¶õ?
¿øÇϴ ȸ·Î¼³°è¸¦ À¯¸®ÆÇ À§¿¡ ±Ý¼ÓÆÐÅÏÀ¸·Î ¸¸µé¾î ³õÀº
¸¶½ºÅ©(mask)¶ó´Â ¿øÆÇ¿¡ ºûÀ» ÂØ¾î »ý±â´Â ±×¸²ÀÚ¸¦
¿þÀÌÆÛ »ó¿¡ Àü»ç½ÃÄÑ º¹»çÇÏ´Â ±â¼ú
Fig. 1. The basic concept of Photolithography.
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1.2 Æ÷Å丮¼Ò±×·¡ÇÇ ÀåºñÀÇ ±âº»Àû ÇüÅÂ
- ±¤Çа迡 µû¸¥ ¹æ½Ä
±ÙÁ¢ ³ë±¤¹æ½Ä(proximity printing)
Åõ¿µ ³ë±¤¹æ½Ä(projection printing)
Fig. 2. Schematic diagram of photolithography systems.
<¹°¸®Çаú ÷´Ü±â¼ú January/February 2xxx ƯÁý page 3>
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2. °øÁ¤ °úÁ¤
Æ÷Å丮¼Ò±×·¡ÇÇ : Basic Steps in Chip Manufacturing
Fig. 3.
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2.1 Silicon with Oxide Layer
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Coater Á¦Á¶È¸»ç
-TEL(83%)
-Dainippon(8%)
-ASML(¡¦(»ý·«)
2.3 Develop Photoresist
2.4 Etch Oxide Layer
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VL SYmposium j. Yeo(2009)
8page FIg.5 Hankook Industry CO., LTD
10page Fig.6 Harry J. Levinson, Principles of Lithography, 2nd ed. (2004)
11page Fig.7 EUV Symposium, Rand de Leeuw (2xxx).
12page ÀÚ·á: KSIA, Å°¿òÁõ±Ç ¸®¼Ä¡¼¾ÅÍ
14page ÀÚ·á: Fuji Keizai, ¹ÝµµÃ¼ Àç·á ½ÃÀåÀÇ Àü¸ð.
15page ÀÚ·á: Fuji Keizai, ¹ÝµµÃ¼ Àç·á ½ÃÀåÀÇ Àü¸ð.
_NOTES_1_
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1
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ȸ·Î¸¦ ¼³°è ÇÏ°í ³ª¼ ±× °É À¯¸®ÆÇ À§¿¡ ±Ý¼ÓÆÐÅÏÀ¸·Î ¸¸µì´Ï´Ù.
±×°É ¸¶½ºÅ©¶ó°í Çϴµ¥, ¿©±â¿¡ ºûÀ» ½î¸é »ý±â´Â ±×¸²ÀÚ¸¦ ¿þÀÌÆÛ¿¡ º¹»çÇÏ´Â ±â¼úÀÔ´Ï´Ù.
¸»·Î ¼³¸íÇÏ¸é ¾î·Á¿îµ¥, ÀÌ ±×¸²À» º¸¸é ½±½À´Ï´Ù.
(±×¸²¼³¸í)
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Âü°í·Î Lithography´Â ¶óƾ¾î·Î µ¹À̶ó´Â¶æÀÇ lithos, ¶Ç ±×¸² graphyÀÇ ÇÕ¼º¾îÀÔ´Ï´Ù.
¿¾³¯¿¡´Â Àμâ±â¼ú·Î ½è´Âµ¥, Áö±ÝÀº ¹ÝµµÃ¼ ³ë±¤°øÁ¤ ±â¼úÀ» ¸»ÇÕ´Ï´Ù.
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