Three Target Coatings Vacuum Tube

Single-target vacuum tube performance and specification:
Tube structure All-glass double deck co-axial structure
Glass material High borosilicate 3.3 glass

Tube length  47mmX1500mm,58mmX1800mm,
70mmX2000mm,70mmX2100mm etc

Single Target magnetron sputtering plating
Absorptivity:α =0.900.93 (AM1.5)
Emission: ε=0.050.075(80±5)
Vacuum degree P≤5.0x10-3 (PA)
Stagnation temperature (temperature inside of empty evacuated tubes) 220260
Average heat loss ULT 0.60.7 W/(m2 *)
Pressure-endure 1MPa

Specifications
single target coating tube
high vacuum,long-term stability, with low cost and high efficiency and accept OEM
single target coating tube
Standard: high quality
Bearing hailstone ability: hailstone diameter 25mm
Pressure-endure ability: 1MPa
 

http://www.qr-solar.org/three-target-coatings-vacuum-tube.html