LM2903: wave, dip soldering

Hello Toshiro-san,

Please see the General Packaging Information Application Notes section:

 http://www.ti.com/support-packaging/packaging-resources/SMT-and-application-notes.html#general

Particularly Wave Solder Exposure of SMT Package  and  Handling & Process Recommendations .

I believe they will answer the questions. If there are more specific questions on a particular package, we would need to ask the packaging group.