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Wipes Cleanliness |
Seagate Standard (Cleanroom Wipes): Sometime be regarded as Class 100 Cleanliness |
IC Measuring Quantity (mg/g) |
NVR/FTIR Measuring Quantity(mg/g) |
LPC Measuring Quantity |
Cl- |
SO4-2 |
NH4+4 |
Total Anions |
Solvent Used |
NVR |
Silicone |
Size(Micron) |
Particle Count/cm2 |
< 0.002 for each ions |
< 0.004 |
DI Water |
≤ 0.2 |
ND |
≤ 0.5 |
< 1,100 |
IPA/Hexane |
≤ 0.82 |
ND |
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Western Digital Standard ( WD Standard for Cleanroom Wipes): |
IC Measuring Quantity (ng/cm2) |
NVR/FTIR Measuring Quantity(ug/cm2) |
LPC Measuring Quantity |
F-, Cl-, Br-, NO2-, NO3-, PO4-3, SO4-2 |
Solvent Used |
NVR |
Silicone |
Amide |
DOP |
Size(Micron) |
Particle Count/cm2 |
< 50 for each anions |
IPA/Hexane |
≤ 1.5 |
ND |
ND |
ND |
≤ 0.5
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< 1,100
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Ion Chromatograph |
Non-Volatile Residue |
FTIR Spectra |
Liquid Particle Counter |
Helkie Drum |
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