MuMetal Brazing

This specialist area of vacuum brazing is designed for joining and annealing MuMetal

About

This process is used in the production of Ultra High Vacuum (UHV) componentry and chambers where magnetic fields must be kept to a minimum, MSL Heat Treatment is recognised as one of the worlds leading specialists in the vacuum brazing of Mu-Metal chambers and components. The vacuum process developed for mu-metal processing guarantees the retention of high magnetic permeability post braze.

Benefits

Vacuum processing provides four solutions to mu-metal manufacturing:
Vacuum brazing of welded seams ensure they are leak tight.
Vacuum annealing restores the magnetic permeability of the material which can be reduced after initial machining.
Vacuum process is a high enough temperature to remove weld oxidisation and leaves the mu-metal with a bright clean finish.
Magentic permeability remains high, post braze.

Example Usage

Analysis chamber used for Electron Spectroscopy for Chemical Analysis (ESCA). The analysis area must be shielded from magnetic fields to avoid effecting the electron beams used for exciting the sample as well as emitted electrons that are to be detected by the energy analyser.

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