fiducial mark


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Related to fiducial mark: fiducial point

fiducial mark

In surveying, an index line or point, used as a basis of reference.
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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.
What makes a good fiducial? It all comes down to contrast and positional accuracy
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.
Scanning aerial photos using a non-professional scanner
For this aim discovering and recognition of IC photo masks fiducial marks (FM) with automated optical positioning system help is proposed.
The integrated circuits photo masks images alignment for automated optical inspection system
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.
Fiducials and odd boards: not all boards need fiducials, but they do come in handy on challenging boards
IPC-9850 also specifies the dimensions and fiducial marks of the PVP.
Understanding IPC-9850: why the standard pick-and-place reference document doesn't tell the whole story
PR enables a wire bonder to easily identify fiducial marks and other alignment features.
The benefits of good 'PR': teaching the wirebonder pattern recognition
Fiducial marks should not be obscured by equipment rails (placing them a minimum of 0.
High-reliability manufacturing: tips on design for manufacturing and BGA reballing
Ideal uses include locating fiducial marks, logos, IC devices.
Data Translation's DT Vision Foundry Offers New Customized Vision Tools at New Affordable Price
Fiducial marks are established for the inspection process with x and y parameters.
Feinfocus' WBI-Fox x-ray: dynamic void detection in wafer bumps, without gray level definition
Fiducial marks are especially important for boards with fine-pitch components.
Component placement
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.
X-out board replacement: don't let one bad board spoil the whole bunch

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