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
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