> >To: VAN HOREN EDUARD VM81 014 57 20 08 <[log in to unmask]> >From: Bill Marsh <[log in to unmask]> >Subject: Re: VIAS IN 0805 PADS WAVESOLDERING >Cc: >Bcc: >X-Attachments: > >Check IPC-SM-782, which has guidelines about via and pad design. > >>Hi, >>Like everybody (?) we are using 0805 components in wavesoldering. >>When there is a viahole in the pad, we see a number of very thin >>solderjoints (almost undetectable visually) and even non-soldered >>components. >>Is there an experience in the field about allowing or not allowing this >>configuration, and about via-hole size and via-position in the pad to >>reduce or prevent defects ? >>Eddie Van Horen [log in to unmask] >> >> >>*************************************************************************** >>* TechNet mail list is provided as a service by IPC using SmartList v3.05 * >>*************************************************************************** >>* To subscribe/unsubscribe send a message <to: [log in to unmask]> * >>* with <subject: subscribe/unsubscribe> and no text in the body. * >>*************************************************************************** >>* If you are having a problem with the IPC TechNet forum please contact * >>* Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * >>*************************************************************************** > > > Bill Marsh Phone: 415-604-6979 e-mail: [log in to unmask] *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To subscribe/unsubscribe send a message <to: [log in to unmask]> * * with <subject: subscribe/unsubscribe> and no text in the body. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************