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Selective Etchants
Selective Etchants

Selective Etchants

Selectivity is dependent upon etch formulation, concentration, temperature, and mixing level. Browse our semiconductor grade Puranal™ products.

Etchant blends selectively and uniformly remove substrates without damaging underlying layers, critical to wafer manufacturing. Our Etchant Blending expertise ranges from mainstream etchants to the development and manufacture of unique blends for customer-specific applications. These blends benefit from the high-purity levels of our base products.

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Backside Etch 1 (17064)

Backside Etch 2 (17065)

SlSF 800-100-100 VLSI Puranal

Silicon Texture Etch (17282)

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