Manufacturers performing leak testing, particularly using hard vacuum helium methods, have faced challenges due to rationing and increased prices during the global helium shortage. Helium is crucial for applications in medical devices, aerospace, automotive, and appliances. Assemblers have had to consider alternative gases like hydrogen forming gas, though they may sacrifice sensitivity. Helium recovery systems offer a potential solution but require significant investment and maintenance. The shortage highlights the need for exploring helium alternatives and improving helium recycling methods.
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