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Etchant

Soft Etchant

Copper Etching Stabilizer
Micro & Soft Etching Solution

Features and Benefits

- A type of sulfuric acid and hydrogen peroxide

- Suitable for Vertical & Horizontal (High Yield & Low Cost)

- Copper Concentration Resistance (0~50g/L)

- Hydrogen peroxide Decomposition Inhibition

After applying the horizontal line (‘S’ Company)
Parameters Total Input Stabilizer(1L vs.) H2O2 (1L vs.) Product (1m² vs.)
35% H2O2 1057L 23L 1L 0.11L
Stabilizer 46L 1L 0.044L 0.0047L
Production 9817m² 213m² 9.29m² 1m²

Etching rate(㎛) vs. Stabilizer concentration(%)

Etching rate(㎛) vs. Copper concentration(g/L)

Before

Etch Rate (0.5㎛)

Etch Rate (1.0㎛)

Etch Rate (2.0㎛)

Etch Rate (2.5㎛)