Description
Specifications Table
Product Name – Hydrofluoric Acid CMOS Grade
Quantity/Pack Size – 1 LT
Form – Liquid
Grade – CMOS
Application – Semiconductor processing, glass etching
Product Overview
Hydrofluoric Acid CMOS Grade is a high-purity, ultra-clean solution engineered for demanding semiconductor and microfabrication applications. This specialized grade ensures minimal metallic and particulate contamination, making it ideal for critical processes like silicon wafer etching, oxide removal, and surface preparation in cleanroom environments. The liquid form provides consistent reactivity, enabling precise control over etching rates while maintaining substrate integrity. Its CMOS-grade certification guarantees compatibility with advanced electronic manufacturing standards, where even trace impurities can compromise performance. The solution’s stability and low evaporation rate extend its shelf life, reducing waste and ensuring cost-effective usage in high-volume production settings. Designed for professionals, this hydrofluoric acid variant adheres to stringent quality protocols, delivering reproducible results for research and industrial applications alike. Proper handling and storage are essential due to its corrosive nature, requiring appropriate PPE and ventilated containment systems.
FAQs
1. What is the difference between CMOS-grade and technical-grade hydrofluoric acid?
CMOS-grade hydrofluoric acid undergoes additional purification steps to remove metallic and particulate contaminants, making it suitable for semiconductor applications where precision is critical. Technical-grade versions contain higher impurity levels and are typically used for general lab or industrial cleaning.
2. Can this hydrofluoric acid be used for glass etching?
Yes, it is highly effective for glass etching due to its ability to dissolve silicon dioxide. However, the etching rate depends on concentration, temperature, and the type of glass being processed.
3. What safety precautions are required when handling this product?
Always use chemical-resistant gloves, face shields, and lab coats in a well-ventilated area or fume hood. Hydrofluoric acid can cause severe burns and systemic toxicity; calcium gluconate gel should be readily available for emergency treatment.
4. How should this product be stored to maintain its purity?
Store in tightly sealed, original polyethylene or Teflon containers away from moisture, heat, and incompatible materials like metals or alkalis. Keep in a dedicated corrosive storage cabinet with secondary containment.
5. Is this hydrofluoric acid compatible with plastic labware?
It is compatible with high-density polyethylene (HDPE) and Teflon (PTFE) containers. Avoid using glass or standard plastic labware, as prolonged exposure can lead to degradation or contamination.
