> Hello Technet,
> 1) I would like to better understand the relationship between smooth
> and
> shinning solder
>     joints and reflow profile.eg: i've used different types of
> no-clean
> solder pastes and     observed differences in the solder joint
> finish.Some are smooth and shinning while
> others are somewhat dull and have scratchy lines on the solder
> surface.i've tried to increase the soak zone dwell time but have not
> been able to improve the finish.
>
> 2) can you also tell me if there will be any difference between sn63
> and
> ag2 % alloys
> with regards to the shinning joints?
> thanks.
> kelvin.

################################################################
TechNet E-Mail Forum 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://jefry.ipc.org/forum.htm) for additional information.
For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312
################################################################