Copper etchant 49-1 semiconductor grade

Supplier: Transene
Warning

Synonyms: Copper etching solution

49-1-1GAL 49-1-1QT
76541-020EA 40.41 USD
76541-020 76540-990
Copper etchant 49-1 semiconductor grade
Copper etchant

Copper Etchant 49-1 is a highly selective, moderate etch rate copper etchant. Will not attack photoresist or other metals, including nickel.

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Specification Test Results

Appearance Clear, colorless
Etch Capacity (rate declines at ~70%) 90-100 wafers/gallon
Etch Rate at 25°C 40 Å/sec
Filtration 1 um
Incompatible Materials III-V, Zn
pH 5.9-6.3
Recommended Operating Temperatures 20-80°C (30-40°C most common) °C
Shelf Life 9 months
Storage Conditions Ambient, refridgerated preferable

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