Electromagnetic shielding panel
First Claim
1. A translucent electromagnetic shielding panel comprising in combination:
- a pane of glass;
electrically conductive electromagnetic shielding means for providing a light translucent shield against electromagnetic radiation in the frequency range 20 MHz to 10,000 MHz, said electrically conductive electromagnetic shielding means consisting solely of a silver layer coating said pane of glass and having a thickness in the range of 15 nm to 50 nm;
a protective layer disposed over the silver layer; and
electrical connection means in direct electrical contact with the silver layer all around its periphery.
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Abstract
The invention concerns an electromagnetic shielding panel for attenuating electromagnetic radiation typically in the frequency range 20 MHz to 10,000 MHz. In one embodiment of the invention, the panel comprises a laminate of two panes of glass one of which includes an electroconductive coating sandwiched between the two sheets of glass is a plastics interlayer (i) into which is embedded four strips of fine electroconductive mesh which lie along the edge of the laminate and which are in electrical contact with the coating. In another embodiment of the invention, the coated glass includes peripheral bus bars which are in electrical contact with the coating. The mesh and bus bars are arranged to make electrical contact with a metal frame which may be earthed. Alternatively, no direct mechanical contact is made between the frame and the coating and a capacitive coupling (cc) suffices.
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Citations
16 Claims
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1. A translucent electromagnetic shielding panel comprising in combination:
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a pane of glass; electrically conductive electromagnetic shielding means for providing a light translucent shield against electromagnetic radiation in the frequency range 20 MHz to 10,000 MHz, said electrically conductive electromagnetic shielding means consisting solely of a silver layer coating said pane of glass and having a thickness in the range of 15 nm to 50 nm; a protective layer disposed over the silver layer; and electrical connection means in direct electrical contact with the silver layer all around its periphery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification