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APPLICATION OF MULTILAYER FILM CONFIGURATION TO PROTECT PHOTOMULTIPLIER AGAINST EXTERNAL STATIC MAGNETIC FIELDS

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Abstract

The effectiveness of the screening constant magnetic field is multi-layered film screens system of NiFe/Cu, formed on the cylindrical housing of photomultiplier tubes, and compared with screen-based steel material – brand 80NHS permalloy. It is shown that the most effective is the screen on the basis of the multilayered film screens, which provide shielding effectiveness value 8–10 in magnetic fields with induction of 0,1–1 mT, and 80–100 – in magnetic fields with induction of 2–4 mT , which is 4–5 times higher than for the screen of the material 80NHS.

For citations:

Batische A.G., Vlasik K.F., Grabchikov S.S., Grachev V.M., Dmitrenko V.V., Kalashnikov N.P., Muravyev-Smirnov S.S., Nyunt P.V., Ulin S.E., Uteshev Z.M., Cheledyuk A.V. APPLICATION OF MULTILAYER FILM CONFIGURATION TO PROTECT PHOTOMULTIPLIER AGAINST EXTERNAL STATIC MAGNETIC FIELDS. Devices and Methods of Measurements. 2012;(1):16-23. (In Russ.)

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ISSN 2220-9506 (Print)
ISSN 2414-0473 (Online)

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