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Gold entchant TFA semiconductor grade

Supplier: AHSI SPA
Warning

015000-QT 015000-GAL
76540-930EA 123 USD InStock
76540-930 76540-968
Gold entchant TFA semiconductor grade
Gold entchant
Gold Etchant TFA is a general purpose etchant for etching fine lines in gold thin films. Excellent photoresist compatibility. Suitable for gold bump processing. Gold Etchant TFA also etches nickel.


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Specification Test Results
Appearance Amber-brown
Etch Capacity (rate declines at ~70%) 65 g/gallon
Etch Rate at 25°C 28 Å/sec
Filtration 1 um
Incompatible Materials Ni, Cu, Al, Ag, GaAs
pH 6.5-8.0
Recommended Operating Temperatures 20-80°C (30-40°C most common) °C
Shelf Life 1 Year
Storage Conditions Ambient

 

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