Ed,
        As your straight man.............Given the proper reflow profile, In my
humble experience all solder present reflows. (But then we use vapor
phase)
Semper Fi
Tom

>----------
>From:  Ed Cosper[SMTP:[log in to unmask]]
>Sent:  Monday, March 23, 1998 10:40 AM
>To:    [log in to unmask]
>Subject:       Re: [TN] Assembly - Solder reflow
>
>Perhaps someone could enlighten me on this issue.  When the printed circuit
>board has the solder paste applied to the smt pads, the smt component placed,
>and then processed thru a convectional ( or IR) reflow oven, does the
>original solder from the Hot Air level process actually melt and reflow with
>the solder paste or does the topography of the original solder remain the
>same?
>
>
>Ed Cosper
>GEI Circuits, Inc.
>
>################################################################
>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 the technical support contact Dmitriy Sklyar at [log in to unmask] or
>847-509-9700 ext.311
>################################################################
>

################################################################
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 the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
################################################################