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High-Purity Silicon Tube
Silicon tube sputtering targets are critical components in semiconductor manufacturing, photovoltaic (PV) solar cells, and optical coating industries. These targets enable precise thin-film deposition through physical vapor deposition (PVD) techniques such as magnetron sputtering and electron beam evaporation, forming high-purity silicon layers essential for device performance.
  1. Monocrystalline Silicon Tube Targets
    • Manufacturing: Produced via the Czochralski (CZ) method, a melt-growth technique that ensures defect-free, uniform crystal structures.
    • Purity: Exceeds 99.9999% (semiconductor grade), with controlled resistivity (0.005–0.020 Ω·cm) for optimal electrical conductivity.
    • Applications: Ideal for advanced semiconductor devices (e.g., 5nm/3nm logic chips, DRAM) and high-frequency electronics due to their superior charge carrier mobility.
  2. Polycrystalline Silicon Tube Targets
    • Manufacturing: Prepared using the Siemens process or upgraded metallurgical refining, balancing cost efficiency and scalability .
    • Purity: Solar-grade purity (99.999%) supports high-efficiency solar cells (e.g., PERC, TOPCon) and thin-film transistors (TFTs) .
    • Advantages: Cost-effective for large-scale PV production while maintaining excellent light absorption and thermal stability.

Technical Parameters

No.CharacteristicUnitSpec
1Purity%>6N
2Material/Mono / Poly
3Diameter scalemm0~2000 / Customizable
4Type/Contains/P type/ N type
5ResistivityΩ•cm3<0.02 / 1~4 / 60~90
6Crystal Orientation/(100)、(111)、(110)
7Dopant/B、P、Ga、As、Sb
8Raum≤0.8
Tubular Polycrystalline Silicon Sputtering Target

Technical Advantages

  1. Seamless One-Piece Design Up to 1500mm:Achieve uninterrupted thin-film deposition withmonolithic silicon tube targets, eliminating joint defects for quantum devices and high-precision optics.

  2. Wide Diameter Customization (10mm–600mm):Adapt to any PVD system configuration, from micro-scale MEMS sensors to industrial solar cell coating, with precision-engineered cylindrical targets.

  3. Ultra-High Purity (99.9999%) Monocrystalline Tubes:Ensure defect-free semiconductor films for advanced ICs and photonic applications, certified for ISO Class 3 cleanroom processes.

  4. Cost-Efficient Polycrystalline Solutions:Reduce material waste by 30% using segmented polycrystalline silicon tubes, ideal for large-area wear-resistant coatings.

  5. Enhanced Coating Uniformity in Rotational Sputtering:Optimize thin-film homogeneity with cylindrical geometry, achieving <1% thickness variation in 3D component coatings.

  6. Dual Resistivity Control (0.001Ω·cm to 100Ω·cm):Tailor electrical properties for RF components, power devices, or insulating layers with customized doping profiles.

  7. Rapid Thermal Conductivity & Stability:Minimize thermal stress in high-power sputtering with crystalline silicon’s superior heat dissipation, extending target lifespan by 40%.