波兰PREVAC X-ray source RS 40B1 X射线源
PREVAC X-ray source RS 40B1针对XPS和高压XPS实验优化的高强度双阳极Al/Mg源。阳极、灯丝和源外壳的设计保证了最大的X射线强度和阳极面之间非常低的串扰。特殊配置的鼻锥允许最大限度地接触样品。标准源中使用的双阳极允许分离发射两种不同特征的X射线辐射发射线:Mg(1253 eV)和Al(1487 eV)——根据要求提供其他涂层材料。
PREVAC X-ray source RS 40B1 X射线源技术规格:
Mounting flange | DN 40CF (non-rotatable) |
Anode | Al/Mg (other materials on request) |
Power | Al 600 W / Mg 400 W |
Energy range | 7 – 15 keV |
Cathode current (Icath) | up to 2.5 A |
Emission current range (Ie) | 0 – 50 mA |
Cross talk | < 0.35 % |
Magnetic field at sample | below 0.5 μT |
Increased sample temperature | < 5 °C |
Cathode type | thoriated tungsten |
Water cooling | required, pressure 3.5 – 5 bar (max. 6 bar), flow ≥ 2.5 l/min., Tmax = 30 °C |
Insertion length | 285 mm; OD: 35 mm |
FWHM | dependent on working distance (e.g. 30 mm for distance 15 mm) |
Typical working distance | 5 – 30 mm (optimum 15 mm) |
Bakeout temperature | up to 250 °C |
Working pressure | < 5 x 10-6 mbar |
波兰PREVAC X-ray source RS 40B1 X射线源特点:
高强度双阳极铝/镁
特殊配置的鼻锥
串扰非常低
低磁场
密封外壳
非常有效地水冷内壳,以减少操作过程中对样品的热损伤
内置双高压保护和密封外壳
能够在毫巴范围内进行高压实验(可选)