Ellen Berkman wrote:
>
> Hi Technetters:
>
> Our Production Manager has issued a work
> instruction for signature approvals.  The solder side pictorial shows an
> insulated jumper wire being routed between leads of several ICs.  I asked
> why he routed this way.  The answer was that it is the shortest path.  I
> chose a different path that is a bit longer yet does not cross through
> any pins. The operator would need to dab glue on an extra corner.  We
> looked through IPC 610C for rules.  The acceptable pictures show jumpers
> going through pins.  The jumpers in 610 do not follow x-y routings like I
> was taught.
>
>                                                                 |
>            o     o  o     o  o      o  o     o   |
>            o     o  o     o  o      o  o     o   |
>            o     o  o     o  o      o  o     o   |
>            o     o  o     o  o      o  o     o   |
>            o     o  o     o  o      o  o     o   |
>            o     o  o     o  o      o  o     o   | jumper
>            o ____o__o_____o__o______o__o_____o___|
>            o     o  o     o  o      o  o     o
>            o     o  o     o  o      o  o     o
>            o     o  o     o  o      o  o     o
>            o     o  o     o  o      o  o     o
>            o     o  o     o  o      o  o     o
>            o     o  o     o  o      o  o     o
>            o     o  o     o  o      o  o     o
>
>   Please advise and explain why we can or can't route as the production
>   manager wants.
>
>
>
>
>   Thanks
>
>   Ellen Berkman
>   QA Manager, Excalibur Systems

##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in
the body:
To subscribe:   SUBSCRIBE TECHNET <your full name>
To unsubscribe:   SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################