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US 9,806,469 B2Granted
Electrical connectors including electromagnetic interference (EMI) absorbing material
Assignee3M Innovative Properties Company
InventorAlexander W. Barr
Life of this patent
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Assignee3M Innovative Properties Company
InventorAlexander W. Barr
Estimating the term…
Examples of electrical connectors that incorporate electromagnetic interference (EMI) absorbing materials are described. In one example, an electrical connector includes a first pair of conductors, a second pair of conductors, and electromagnetic interference (EMI) absorbing material at least partially separating the first pair of conductors from the second pair of conductors. Each of the first and second pairs of conductors defines one of a differential pair or a signal conductor/ground pair. The EMI absorbing material may be configured to attenuate, primarily by absorption, an electromagnetic field generated due to transmission of electrical signals via one of the first pair and second pair of conductors to reduce the electromagnetic inference from the electromagnetic field on the other of the first pair and second pair of conductors.
An assembly comprising first and second pairs of conductors, each pair of conductors surrounded by a multilayer structure comprising alternating layers of EMI absorbing material and shielding material, the first pair of conductors separated from the second pair of conductors by a multilayer structure comprising at least two spaced apart layers of EMI absorbing material and at least two layers of shielding material separated by a layer of a dielectric insulting material, the EMI absorbing and shielding materials configured to attenuate an electromagnetic filed primarily by absorption and reflection, respectively.
Dependencies are inferred from the claim text.