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The difference between UV film and blue film

1, UV film, is the use of UV irradiation, the viscosity change of membrane; blue membrane is relatively, viscosity does not change often blue film, blue film, hence the name.

2, UV film, before the UV light, the viscosity is very large, about 20000 or so, but after UV light irradiation, the viscosity can be reduced to about 300. While the blue membrane viscosity is low, about 1000-3000 in the range of UV, had noeffect on the.

3, the UV film with UV light irradiation time and irradiation intensity increaseviscosity, draw for chip, high cost. Blue film cheap, mainly for relatively small chip,do not need to UV irradiation, but the viscosity will vary with the change of temperature.

4, UV membrane viscosity big, blue membrane is relatively small.

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