Horizontal browning agent

2022-03-02 294
Horizontal Brown Oxide Process

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〃

fifty60℃

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-five40℃

Brown-Oxide(Browning)

fifty〃~75〃

thirty-five40℃

Rinse*4(DIwashing)

one'~2'

RT

Hot-Dryer(Hot air drying)

one'~2'

eighty-five90℃