[PCB_FORUM] Re: antenna vias

I'm sorry, I should have also added a comment on an early adopter
variable in 16.2  provided for removal of bb vias.

   delete_hdiviastubs

     If set, enables the gloss delete unused stack B/B via.
     This feature is only available in XL or higher level tools.  


> From: Barbara Seeger <blm@xxxxxxxxxxx>
> Subject: [PCB_FORUM] Re: antenna vias
>
> 
> 
> There is a variable in the user preferences you can use to
> skip the check. Look at report_antennavia and report_noantennavia
> 
> The first has report options on what type of via you may be
> interested in, and the second variable skips it entirely.
> 
> Regards,
> Barbara Seeger  -  Cadence Design Systems  -  978-262-6578
> 
> > From: sjchar3@xxxxxxxxxxxx
> > 
> > 
> > 
> > Mashak, I have stitched a?brd with gnd vias while some are flagged as 
antennas 
> vias, others are not flagged. 
> > 
> > origin-xy:??? (2160.00 2445.00) 
> > 
> > ? part of net name:? GND
> > ? Connected shapes:??? 3 ( TOP L02 L03 )
> > 
> > origin-xy:??? (2425.00 2430.00) 
> > 
> > ? part of net name:? GND
> > ? Connected shapes:??? 4 ( TOP L02 L03 BOTTOM )
> > 
> > I'm assuming, since the first via makes no connection to bottom side, then 
> this via is flagged as an antenna via. 
> > 
> > where is the feature for removing the unconnected vias?
> > 
> > Thanks for you help.
> > Sam
> > 
> > -----Original Message-----
> > From: Maqbool, Mashak (GE Infra, Energy) <mashak.maqbool@xxxxxx>
> > To: icu-pcb-forum@xxxxxxxxxxxxx
> > Sent: Thu, 11 Jun 2009 7:28 pm
> > Subject: [PCB_FORUM] Re: antenna vias
> > 
> > 
> > 
> > 
> > As per me Dangling vias orphan vias are called as Antenna Vias in case of 
> > HS 
> boards. If you have SPB16.2 then there is a feature of Removing all the 
> unconnected vias.
> > 
> > ?
> > 
> > Mashak
> > 
> > 
> > From: icu-pcb-forum-bounce@xxxxxxxxxxxxx 
> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Dave Seymour
> > Sent: Friday, June 12, 2009 2:11 AM
> > To: icu-pcb-forum@xxxxxxxxxxxxx
> > Subject: [PCB_FORUM] Re: antenna vias
> > 
> > 
> > 
> > 
> > 
> > 
> > Report methodology:
> > 
> > ? - Dangling lines have at least one end not connected.
> > 
> > ? - Dangling vias have one or no connection
> > 
> > ???? ?- Plus are not a testvia or a thieving via.
> > 
> > ? - Antenna vias do not have connections on their start and end layers.
> > 
> > ????? - Plus they are not a thieving vias.
> > 
> > ????? - Optionally, VOLTAGE nets, testvias and through vias can be 
suppressed 
> with
> > 
> > ??????? the environment variable report_antennavia.
> > 
> > ????? - Section may be suppressed by variable report_noantennavia.
> > 
> > ? - In all cases output is suppressed if an object has the OK_DANGLE
> > 
> > ??? property or is not part of the current partition.
> > 
> > ?
> > 
> > ?
> > 
> > ?
> > 
> > 
> > Dave Seymour
> > 
> > Ixia
> > 
> > 919.267.4840
> > 
> > 
> > 
> > 
> > 
> > From: icu-pcb-forum-bounce@xxxxxxxxxxxxx 
> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of sjchar3@xxxxxxxxxxxx
> > Sent: Thursday, June 11, 2009 4:39 PM
> > To: icu-pcb-forum@xxxxxxxxxxxxx
> > Subject: [PCB_FORUM] antenna vias
> > 
> > 
> > ?
> > 
> > group:
> > 
> > What is a antenna via? The "dangling line report" flags this.
> > 
> > Thanks
> > 
> > Sam
> > 
> > 
> > ?
> > 
> > 
> > 
> > Make your summer sizzle with fast and easy recipes for the grill. 
> > 
> > 
> > 
> 
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