PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1805&OB=DESC.html
. Normally its off and you turn it on if you get annoying confirmation boxes at the end of a complex pad stack save. If you don’t, you’re good. NO PROBE – This will place a shape on the No Probe layer that will match the selected constraints
| https://www.eptac.com/wp-content/uploads/eptac/datasheets/EPTAC_DataSheet_PCED.pdf
capture, signal constraints, component placement, routing, flex, HDI, documentation, signal integrity application, and post processing
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_allegro-options_topic1805.xml
. The options for constraints are Component Body, the FootprintExtents, or the Courtyard.EXCESS – This expands or contracts the NO PROBEextents by a static amount in millimeters
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_custom-output-for-allegro_topic1887.xml
; For example making the Place_Bound_Top match the physical size of the component, create a DFA_BOUND_TOP shape to be more useful when using the DFA Constraints, or automatically assigning the
ORION Industries | http://orionindustries.com/shielding-laminates.php
: Puncture resistance Agency approvals, UL flammability Temperature range Dielectric strength Grounding options Environmental concerns Thickness constraints Orion Industries has been producing
ORION Industries | http://orionindustries.com/thermal.php
: Conformability Agency approvals, UL flammability Operating temperature range Phase change temperature (if applicable) Electrical properties Thickness constraints Top Home
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_simultaneously-generate-l-n-and-m-density_topic2492.xml
effect.I start the layout with the N part for most designs, or M for high-reliability. But if I find myself caught in board size constraints I can change parts down to L (or from M to N
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic1708&OB=ASC.html
-0.75 ball diameter still applicable for 0.500 pitch packages? Will the land pads not cause any bridging due to space constraints? Similary, for collapsing we use 0.30 (or higher
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1708&OB=DESC.html
) nominal land diameter for 0.50mm pitch packages. Question is, should 0.30-0.75 ball diameter still applicable for 0.500 pitch packages? Will the land pads not cause any bridging due to space constraints
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/noncollapsing-vs-collapsing-bga-balls_topic1708_post6952.html
) nominal land diameter for 0.50mm pitch packages. Question is, should 0.30-0.75 ball diameter still applicable for 0.500 pitch packages? Will the land pads not cause any bridging due to space constraints
