Arsine and phosphorus trifluoride (semiconductor grade)

Description

1. Product Overview
Arsine (AsH₃) and Phosphorus Trifluoride (PF₃) in semiconductor grade are ultra-high-purity specialty gases engineered for precision doping and advanced deposition processes in microelectronics manufacturing. These gases are critical inputs in the fabrication of integrated circuits, optoelectronic devices, and compound semiconductors, where atomic-level control and purity are non-negotiable. The key value proposition lies in their exceptional purity, process consistency, and compatibility with high-performance semiconductor fabrication environments. As global demand for advanced chips and electronics accelerates, these gases play a strategically vital role in enabling next-generation device performance and miniaturization.

2. Key Specifications & Technical Characteristics

• Chemical Composition:
  • Arsine (AsH₃)
  • Phosphorus Trifluoride (PF₃)
• Purity Level: ≥ 99.999% (5N) to 99.9999% (6N) semiconductor grade
• Impurity Profile: Ultra-low moisture, oxygen, and hydrocarbon levels (ppb range)
• Physical Characteristics:
  • Form: Compressed gas
  • Color: Colorless
  • Odor: Garlic-like (arsine), pungent (PF₃)
  • Density: Heavier than air
• Packaging Options:
  • High-pressure steel or aluminum cylinders
  • Tube trailers for bulk supply
  • Customized semiconductor-grade cylinder systems with internal surface treatment
• Shelf Life: Stable under recommended storage conditions; periodic quality verification advised

3. Core Industrial Applications

• Primary Industries:
  • Semiconductor manufacturing (IC fabrication, wafer processing)
  • Photovoltaics and solar cell production
  • LED and optoelectronics manufacturing
• Operational Use Cases:
  • Arsine: N-type doping of silicon and compound semiconductors (e.g., GaAs)
  • Phosphorus Trifluoride: Plasma etching, chamber cleaning, and specialty fluorination processes
• Performance Advantages:
  • Enables precise dopant control at nanometer scales
  • Minimizes defect density and enhances device yield
  • Superior purity reduces contamination risks compared to lower-grade alternatives
• Efficiency & Cost Benefits:
  • Optimized gas utilization in advanced process tools
  • Reduced downtime due to consistent gas quality
  • Supports high-throughput, high-yield manufacturing environments

4. Competitive Advantages

• Quality Consistency: Certified semiconductor-grade purity with stringent batch validation
• Supply Reliability: Robust global sourcing network with redundancy and safety compliance
• Logistics Capability: Specialized handling, hazardous material compliance, and secure delivery systems
• Price Competitiveness: Scalable pricing models for long-term supply contracts and bulk procurement
• Sustainability: Environmentally controlled production and cylinder recycling programs
• Technical Support: Full documentation (CoA, SDS), process integration support, and regulatory compliance guidance

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity:
  • Approx. 20–24 MT per ISO tank container (depending on gas and pressure specifications)