| 摘要 |
<p>A panel or screen 1 is released from a frame or mounting 5 to which the panel or screen 1 is bonded by bonding material 6 adhering to the reverse face of the panel or screen 1. The position of the bonding material 6 is mapped by directing ultrasonic energy from ultrasonic transducer 20 though the screen or panel 1 via the obverse face of the screen or panel 1 and detecting energy reflected away from the reverse face of the panel or screen 1 via the obverse face. At screen or panel locations where bonding material 6 has been detected as present, light may be directed through the screen or panel 1 via the obverse face, the light energy being of intensity and wavelength to effect thermal or chemical release of the screen or panel from the frame or mounting 5. The panel 1 may be a vehicle laminated windscreen 1 comprising a pair of glass sheets 2, 3 separated by an intermediate laminating plastics layer 4.</p> |
