
==Coplanarity of points whose coordinates are given== is of rank 2 or less, the four points are coplanar. ...
Found on
http://en.wikipedia.org/wiki/Coplanarity

The leads of a package should be ‘coplanar with` the PWB, that is, there should be no gap between the leads and a flat board. If they are not, the non-coplanarity problem can result in open-circuit joints. The term coplanarity is however usually (somewhat incorrectly) used to refer to the maximum distance between the surface and the highest ...
Found on
http://www.encyclo.co.uk/local/20870
No exact match found.