Innovation

The current massive targets are made from sintering a layer of Tungsten-Rhenium (WRe) on a massive TZM body (Titanium, Zirconium, Molybdenum). A graphite disk brazed to the backside allows efficient heat dissipation.

ACERDE performs a Tungsten-Rhenium deposition straight on graphite or C-C composite (only the insert part is TZM).

 The high temperature chemical vapor deposition (HTCVD)

The light rotating anodes' key innovation is the thin Tungsten-Rhenium (WRe) deposition using the CVD deposition method.

ACERDE perfectly controls the CVD technology on both graphite and composite substrates, allowing the Tungsten-Rhenium interface to be stable.

Thanks to the CVD technology, the ACERDE targets have a heat capacity than usual massive TZM targets (Titanium, Zirconium, Molybdenum).

Thermodynamics

With T > 400°C, WF6 + 3H2 → W + 6HF

Kinetics

Rate = constant . e-Ea/KT . [PWF6]0 . [PH2]1/2

Rate = dthickness / dtime

CVD reaction

Patented specific insert

To better meet the global X-Ray tubes key players' requirements, ACERDE patented a specific insert method to mount its targets with every existing tube stem configuration.

Light Rotating Anodes,

an innovative solution in X-ray tubes

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