Three Target Vacuum Tube

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seat: Zhejiang
Validity to: Long-term effective
Last update: 2017-12-17 11:28
Browse the number: 413
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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

φ47±0.7mm; Glass thickness 1.6±0.15mm


φ58±0.7mm; Glass thickness 1.6±0.15mm


φ70±0.7mm; Glass thickness 1.6±0.15mm

Inner tube diameter and glass thickness

φ37±0.7mm; Glass thickness 1.6±0.15mm


φ47±0.7mm; Glass thickness 1.6±0.15mm


φ58±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

φ30mm

Pressure-endure

1Mpa


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