peculiarity

• It has a sealed leak-proof function to ensure that the leakage rate is only 1×10-10 standard cubic centimeters of helium per second

• Longest product life cycle (standard 1 million cycles +)

• Can tolerate extreme temperatures

• Low gas output

• Corrosion resistance

Design and manufacture

• BELCAXTM (Bellows Design Program)

• CAD (Computer Aided Design)

• FEA (Finite Element Analysis)

• Solid modeling

• Sizeable, expandable class 100, 1000 and 10000 clean rooms

Test scope/Reliability Engineering

• Product life cycle (pressure and temperature as indicators) • Load/power

• Mass spectrometer test • Mean effective area

• metallurgy • Pressure (burst, pulse)

• Severance • Scanning electron microscope (SEM)

• strike • Spring stiffness

• Vibration (random, sinusoidal) • Volume change

weld

• Electron beam (EBW) (up to 150 kV)

• Argon tungsten arc (GTAW)

• laser

• Micro Plasma Arc (PAW Plasma Arc Welding)

• Orbital tungsten-argon arc

Materials

• 300 series Stainless steel

• AM350 stainless steel

• Hastelloy C

• Haynes（Haines）Alloy 242

• lnconel（Inconel）625 and 718 alloy

• titanium