| 摘要 |
An electromagnetic radiation seal, particularly adapted for sealing a rotary or linearly movable shaft penetrating a shielded enclosure includes a housing mountable on an enclosure wall and forming a cavity delimited by the housing and the shaft and which is filled with metal particulates, such as tungsten or lead shot pellets. The metal particulates are in intimate contact with the shaft and with the seal housing to prevent transmission of electromagnetic radiation between the interior and exterior of the enclosure at the penetration formed by the shaft.
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