Examples from the Web for backplate
That princes monogram, the Conde points out, is to be seen on the backplate gilded in relief.
The backplate, which is only three millimetres thick, has been perforated by the bullet.
Stel Felso Theu took the backplate of the control cabinet off, and the terrestrians looked at the control with interest.Invaders from the Infinite|John Wood Campbell
According to the Emperors inventory, the backplate, which does not exist, bore the image of St. Barbara.