rf shield造句

• Several factors serve to limit the shielding capability of real RF shields.
• To avoid extra cost, the metal RF shield, coated with a layer of metal foil.
• For example, a copper foil or screen RF shield will be minimally effective against power frequency magnetic fields.
• Commodore also made other cost-cutting changes including using aluminized cardboard to build RF shields for some of their systems.
• Unlike AOI, it has the capability to test / inspect for components hidden under heat sinks, RF shields or under larger components.
• IC locations changed frequently on each motherboard revision, as did the presence or lack thereof of the metal RF shield around the VIC-II . PAL boards often had aluminized cardboard instead of a metal shield.