Micro etching horizontal browning process
Process sequence
Cleaner (alkaline cleaning)
Rinse * 3 (water washing)
Acid rinse
Rinse * 2 (DI water washing)
Pre dip
Brown oxide
Rinse * 4 (DI water washing)
Hot dryer
Step(step) | Treatment Time(processing time ) | Temperature(Treatment temperature) |
Cleaner(Alkaline cleaning) | thirty〃～fifty〃 | fifty～60℃ |
Rinse*3(washing) | one＇～2＇ | RT |
Acid rinse(Acid cleaning) | thirty〃～40〃 | RT |
Rinse*2(DIwashing) | one＇～one＇thirty〃 | RT |
Pre-dip(Prepreg) | twenty〃～thirty〃 | thirty-five～40℃ |
Brown-Oxide(Browning) | fifty〃～75〃 | thirty-five～40℃ |
Rinse*4(DIwashing) | one＇～2＇ | RT |
Hot-Dryer(Hot air drying) | one＇～2＇ | eighty-five～90℃ |
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