国产精品久久久久7777按摩,天天做天天爱天天综合网2021,曰欧一片内射VΑ在线影院,亚洲最大国产成人综合网站

Seed crystal

籽晶（太陽能拉晶）

 

 

Seed is the seed of crystal ingot growth, With different crystal seed to get different monocrystal ingot. HenergySolar offers various types of seed as following:
■Full cone seed
    ■ φ14.0/8.0mm * 120mm
    ■ φ17.5/11.5mm * 120mm
■half-cone seed
    ■ φ17.5/12.5mm * 150mm
    ■ φ17.5/12.0mm * 150mm
    ■ φ20.0/17.5mm * 150mm
    ■ φ14.0/9.8mm * 150 mm
■Three cone seed
    ■ φ20.0/13.5/12.5mm * 150mm
■FZ seed
    ■ 7 * 7 * 50-70mm
    ■ 5 * 5 * 50-70mm
■Round seed
    ■ φ12.5mm * 150mm
    ■ φ17.5mm * 150mm
■Orientation
    ■ <100>
    ■<110>
    ■ <111>
■Type
    ■ P-type
    ■ N-type
■Resistivity
    ■1-3Ohm. CM
    ■ Intrinsic resistivity
    ■ FZ:ρ> 300ohm.cm-20000ohm.cm
■ Clean, individually wrapped, smooth surface, no damage

籽晶