Overlap Technique for End-Cap Seals on Cylindrical Magnetic Shields

Author

Malkowski, S. ; Adhikari, R.Y. ; Boissevain, J. ; Daurer, C. ; Filippone, B.W. ; Hona, B. ; Plaster, B. ; Woods, D. ; Yan, H.

Author_Institution

Dept. of Phys. & Astron., Univ. of Kentucky, Lexington, KY, USA

Volume

49

Issue

1

fYear

2013

fDate

Jan. 2013

Firstpage

651

Lastpage

653

Abstract

We present results from studies of the effectiveness of an overlap technique for forming a magnetic seal across a gap at the boundary between a cylindrical magnetic shield and an end-cap. In this technique a thin foil of magnetic material overlaps the two surfaces, thereby spanning the gap across the cylinder and the end-cap, with the magnetic seal then formed by clamping the thin magnetic foil to the surfaces of the cylindrical shield and the end-cap on both sides of the gap. In studies with a prototype 31-cm diameter, 91-cm long, 0.16-cm thick cylindrical magnetic shield and flared end-cap, the magnetic shielding performance of our overlap technique is comparable to that obtained with the conventional method in which the end-cap is placed in direct lapped contact with the cylindrical shield via through bolts or screws.

Keywords

magnetic shielding; magnetic thin film devices; seals (stoppers); bolts; cylindrical magnetic shields; direct lapped contact; end-cap seals; flared end-cap; magnetic material; magnetic thin foil; overlap technique; screws; size 0.16 cm; size 31 cm; size 91 cm; Clamps; Fasteners; Magnetic field measurement; Magnetic noise; Magnetic shielding; Prototypes; Seals; Cylindrical magnetic shield; end-cap magnetic seals; magnetic shielding end-caps;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2012.2215047

Filename

6280671