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Vacuum Tube
Characteristics:
Vacuum tubes assimilate the advanced 12 layers of spattering deposition of trivalent technology, high borosilicate glass, gradual change of ALN/AIN-SS/CU selective complex absorptive coating.Ang these make vacuum tubes have high performance of absorption and low reflection ratio. Through the interlayer, vacuum has a unique effect of thermo, with its temperature up to 380? of idle sunning, performing a strong heating ability.
Technical Parameters:
Tube structure | All-glass double deck co-axial structure | |
Glass material | High Borosilicate 3.3 glass | |
Outer tube diameter and glass thickness | f47±0.7mm; Glass thickness 1.6±0.15mm | |
f58±0.7mm; Glass thickness 1.6±0.15mm | ||
f70±0.7mm; Glass thickness 1.6±0.15mm | ||
Inner tube diameter and glass thickness | f37±0.7mm; Glass thickness 1.6±0.15mm | |
f47±0.7mm; Glass thickness 1.6±0.15mm | ||
f58±0.7mm; Glass thickness 1.6±0.15mm | ||
Tube length | 800mm, 1200mm, 1500mm, 1600mm, 1800mm, 1900mm, 2000mm, 2100mm, etc | |
Absorption coating property | Coating material | CU/SS-ALN(H)/SS-ALN(L)/ALN |
Sediment method | Three target magnetron spattering plation | |
Absorptive ratio | a=0.92-0.96(AM1.5) | |
Emission ratio | e=0.04-0.06 (80?±5?) | |
Vacuum degree | P=5.0x10-3 (PA) | |
Stagnation temperature (temperature inside of empty evacuated tubes | 260-350? | |
Average heat loss | ULT0.4-0.6W/(?*?) | |
Hail resistance | f30mm | |
Pressure-endure | 1Mpa |
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