| 释义 |
lead foil tape lead foil tapeA tape, typically about ½ inch wide and 0.002 inch thick (12.5 mm × 0.05 mm), which is cemented to a window or panel to detect its breakage; forms part of an alarm circuit through which a small electric current flows. If the window or panel is broken, the tape is severed and the circuit is interrupted, thereby activating an alarm. |