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AMAT 0050-37915 Gas Line Weldment Assembly

Product Description: A precision-engineered, leak-tight gas line weldment assembly designed for ultra-high-purity (UHP) gas delivery systems in semiconductor manufacturing. It provides a seamless, contamination-free pathway for process gases between gas panels and process chambers, ensuring consistent gas flow and purity.

Technical Specifications:

  • Material: 316L electropolished stainless steel (Ra < 0.4 μm)
  • Connection Type: VCR face-seal fittings (1/4″ & 3/8″ standard)

Detailed content

  • Design Pressure: 250 PSIG (17.2 bar)
  • Operating Temperature: -40°C to +120°C
  • Leak Rate: < 1×10⁻⁹ atm·cc/s He
  • Surface Finish: Electropolished (EP) for UHP compatibility
  • Length: Custom-configurable (typical 300mm to 1200mm)
  • Bend Radius: Minimum 3× tube OD for minimal flow restriction
  • Compliance: SEMI C12, RoHS, CE

    Functional Features:

  • Zero dead-leg design eliminates gas trapping and contamination
  • Electropolished interior minimizes particle generation and outgassing
  • Precision TIG welding ensures structural integrity and leak tightness
  • Compatible with all UHP semiconductor process gases (Ar, N₂, O₂, SiH₄, etc.)
  • Resistant to corrosion from aggressive process chemistries
  • Pre-fabricated for quick installation, reducing system downtime
  • Fully passivated for immediate UHP service deployment

    Application Scenarios:

  • UHP gas distribution in CVD, ALD, and etch process chambers
  • Gas panel to chamber delivery lines for specialty precursor gases
  • Purge gas systems for load locks and transfer chambers
  • Exhaust gas management for process byproduct removal
  • Gas mixing manifolds for multi-gas process recipes

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