Further improvement can be obtained by using copper shielding.

The fundamental cable design consists of several individually-insulated multi-strand silver-plated copper conductors of varying diameters enclosed in a tin-plated copper shield.

To block any telltale electromagnetic signals from escaping, the inner walls of the buildings are wrapped in protective copper shielding and the one-way windows are embedded with a fine copper mesh.

To block any telltale electromagnetic signals from escaping, the inner walls of the buildings are wrapped in protective copper shielding and the one-way windows are embedded with a fine copper mesh.

Further improvement can be obtained by using copper shielding.

The flexible shielding member (20) is preferably also made of stainless steel, copper, or copper alloy.

The shield member is formed of at least one copper clad aluminum shield wire including a core including aluminum and a cladding surrounding the core and including copper.

The copper sheath (2), which stabilizes the flat connection element, at the same time forms a shielding from connection to connection.

The bullet jacket (10) comprises predominantly copper outer shell (30) and a predominantly zinc lining (20).

For higher frequencies our silver-plated copper braided shield does a great job.

The bullet jacket (10) is made by forming a predominantly copper sheet and a predominantly zinc sheet.

The copper sheath (2), which acts as a stabilizer for the connection element, serves also to form a shielding from connection to connection.

The fundamental cable design consists of several individually-insulated multi-strand silver-plated copper conductors of varying diameters enclosed in a tin-plated copper shield.

A thick-walled stainless steel, copper and resin cylinder (701-703) may be used to simplify gradient shielding problems.

A vacuum switch tube (1) comprises a shield (11) having sections (12, 13, and 14), in which copper, the alloy copper-chrome, and then copper again alternate.