ARRANGEMENT FOR SHIELDING ELECTRONIC COMPONENTS AND PROVIDING POWER THERETO

Disclosed herein is an arrangement for shielding individual electronic units from undesired microwave or millimeter wave radiation while providing a means of transferring input and output signals and operating power through the shield wall. A metal box encapsulates an electronic unit. Input and outp...

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Bibliographic Details
Main Authors ROBSON, RONALD, R, HANCOCK, DONALD, J, WILLIAMSON, WELDON, S, ECKHARDT, WILFRIED, O
Format Patent
LanguageEnglish
French
German
Published 16.02.1994
Edition5
Subjects
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
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Summary:Disclosed herein is an arrangement for shielding individual electronic units from undesired microwave or millimeter wave radiation while providing a means of transferring input and output signals and operating power through the shield wall. A metal box encapsulates an electronic unit. Input and output signals are fed into and transferred from the electronics unit through the shield wall using optical links and photo transmitting and receiving components. Power is transferred through the shield box wall using piezo crystals secured to the outside and inside of the shield box wall and a dielectric rod connected between the two piezo crystals through a hole in the wall. Electrical energy therefore can be transferred into mechanical energy transferred through the box wall to the piezo crystal within where it is received and transferred back into electrical energy. Accordingly, metal feedthroughs are not needed, eliminating any paths for radiation to enter the shield box.
Bibliography:Application Number: EP19890908073