National Instruments Graphical User Interface Ultiboard User Manual
Page 273
Glossary
© National Instruments Corporation
G-3
O
Output Window
Gives you useful information on the status of your design. By default, is
turned off.
P
Pad Stack
The connections between layers of the board.
Part Grid
Determines the increments by which elements (parts and shapes) can be
placed on the board.
Prepreg
Prepreg is fiber glass that is pre-impregnated with resin to make it
semi-rigid. Prepreg sheets can then be placed between the copper foil and
heated under pressure to activate and set the resin.
R
Ratsnest
Visual display showing linear connections between pins, using the shortest
possible line. A guide for pin connections, not a realistic representation of
the board.
RefDes
Reference designator, the unique name given to a net.
Reference Point
The point from which coordinates are calculated, in normal mode. Set
using Design»Set Reference Point.
S
SMD Pad
A pad without a drill hole (drill diameter property in the pad code set to 0).
Status Bar
Displays useful and important information at the bottom of your screen.