Copper etchant 49-1 semiconductor grade
Supplier: Transene
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Warning
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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.
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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