40 w m k 298 k.
Sapphire thermal conductivity vs temperature.
Single crystal single crystal sapphire is used for various kinds of vacuum equipment windows in excellent thermal conductivity at low temperatures allows single crystal sapphire as a.
It is also used as an insulation material and microwave window.
13 10 6 c 0 57 µm 20 c.
Excellent thermal conductivity at low temperatures allows single crystal sapphire as a transparent material to be used in many diverse fields requiring thermal conduction and heat radiation.
Learn more about the thermal conductivity of sapphire substrates sapphire wafers sapphire properties and crystal structure from valley design.
25 8 w m c at 70 c.
Sapphire is a notable example of variable thermal conductivity based on orientation and temperature with 35 w m k along the c axis and 32 w m k along the a axis.
Temperature coefficient of refractive index.
Wood generally conducts better along the grain than across it.
23 0 w m c at 77 c.
4 5 10 6 k 1 and 1000 c.
Single crystal sapphire is used as a material for substrates in super high frequency regions.
Thermal electrical and optical ir transmission vs wavelength 500 c 20 c 1000 c 0 0 2 3 4 5 6 10 20 30 40 50 60 70 80 90 100 wavelengths microns.
Good thermal conductivity and high heat resistance.