Electromagnetic Interference (EMI) shields with flexible conductive sheets and I / O gaskets

摘要

The electronic device is shielded against electromagnetic interference using a flexible conductive sheet that forms a shielding wall or sheath. The sheet has an electrically insulated polymeric material exposed on at least one surface. Conductive objects are either stuck or laminated on the sheet to selectively expose it. More specifically, nonconductive surface areas are formed and are exposed outward or inwardly, especially when they are oriented inward to avoid electrical disconnection, but the shielding wall needs to be grounded or coupled with another conductive body. The flexible sheet forms a loose sheath with a flanged gasket at the opening end. The gasket is used to improve physical contact with the conductive body and preferably has an external shield that allows the I / O connector to pass through the shield wall and is grounded to the shield wall to sustain the shield shield. An opening is provided in the sheet for selectively or incidental access, and the conductive object is insulated around or around the opening by an insulating lip that prevents undesired disconnection. It has a wing enclosure for changing or adding circuit chips without removing shields and minimizing gaps in the shield. The flexible shell is bonded to the circuit ground by securing conductive fibers or gaskets on the exposed surfaces of the I / O connector, command ground, or external ground panel.