Auer Lighting 傲尔照明用高硼硅玻璃 SUPRAX®8488 是适用于微波应用的材料,例如, 作为灯罩玻璃。
下面的测量结果显示了Auer Lighting 傲尔照明 的特殊硼硅玻璃 SUPRAX®8488 的半功率深度。 半功率深度是微波性能广泛使用的指示值。 它描述了吸收材料的深度,在该吸收材料中,传播的 TEM (横向电磁)波的功率通过作为热量沉积而降低到其初始值的 50%。 测量范围涵盖从 25°C 到 400°C 的温度范围,并已采取在 2.466 GHz。
温度 | 20 °C | 400 °C |
---|---|---|
介电常数 ε’ | 5.1 ± 0.1 | 5.7 ± 0.1 |
耗散因子 ε’’ | 0.050 ± 0.005 | 0.26 ± 0.03 |
损耗角正切 | 0.010 ± 0.001 | 0.045 ± 0.004 |
TEM 半功率深度 (mm) | 610 ± 50 | 125 ± 10 |
对于一个薄窗口,存储在窗口中的行波功率的分数可以简单地通过下式估算:
0.693 · 窗口厚度
PowerFraction ≈ ____________________________
半功率深度
对于 20°C 的厚度为3 mm的 SUPRAX®8488 窗口,可以提供约为磁控管输出功率的 0.3% 的功率沉积。
在任何情况下,微波炉制造商有责任以安全的方式设计产品。 他必须注意避免整个系统中的过热点,这会损坏每一种玻璃材料。
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