fiducial mark


Also found in: Dictionary.
Related to fiducial mark: fiducial point

fiducial mark

In surveying, an index line or point, used as a basis of reference.
References in periodicals archive ?
The basic idea is to create a non-reversal pattern with two or three fiducial marks on the board or panel.
Also, on the left and right margin of scanned aerial photographs, fiducial marks must be clearly visible.
007 mm (Kraus 2000) for measuring the accuracy of fiducial marks.
For this aim discovering and recognition of IC photo masks fiducial marks (FM) with automated optical positioning system help is proposed.
In this case, it would have been far better if the boards were a consistent distance apart, and if each of the three boards had a set of fiducial marks.
IPC-9850 also specifies the dimensions and fiducial marks of the PVP.
PR enables a wire bonder to easily identify fiducial marks and other alignment features.
Fiducial marks should not be obscured by equipment rails (placing them a minimum of 0.
Fiducial marks are established for the inspection process with x and y parameters.
Fiducial marks are especially important for boards with fine-pitch components.
When removing the defective board, avoid and preserve score lines, tooling holes, fiducial marks, impedance coupons and trace lines to meet the requirements of the manufacturer's blueprints.