NIST (or VLSI) standard sample »ç¿ë.
1 mm Á÷°æ pinhole »ç¿ë. Sample¼öµ¿ ¼ÂÆÃ.
1) NIST (or VLSI) sample »ç¾ç
-. Film ÀçÁú : SiO2(Approx. 100 nm)
-. Thickness : Error must be £«/£ 0.5 nm
Monochrometer and Multi-Channel
sample waferÀÇ µ¿ÀÏ point¸¦ µ¿ÀÏ ½Ã½ºÅÛ¿¡¼ 10ȸ ¿¬¼Ó ÃøÁ¤Çϸç, repeatability accuracy´Â 3¥ò·Î defineµÈ´Ù.
¨ç Film thickness (3¥ò):
0.25% or less (Using NIST or VLSI 100nm)
¨è Refractive index(3¥ò):
1.0% or less (Using NIST or VLSI 100nm)
sample waferÀÇ µ¿ÀÏ point¸¦ µ¿ÀÏ ½Ã½ºÅÛ¿¡¼ 10ȸ ¿¬¼Ó ÃøÁ¤Çϸç, absolute accuracy´Â Æò±ÕÀ¸·Î defineµÈ´Ù.
¡Ø Remarks:
1) NIST (or VLSI) sampleÀº ¿À¿°µÇÁö ¸» °Í.
2) Monochormeter¿Í MWLÀÇ Performance Â÷ÀÌ´Â guarantee item ¿¡ Æ÷ÇÔµÇÁö ¾Ê´Â´Ù. |