Hi MD-GordonD, IPC LF Listservers,

I am not a chemist or a chemical engineer, YET I have friends and a
knowledge, experience association with these two fields of engineering and
science. Printed Circuits is a combination of electrical, mechanical yet
mostly chemical expertees.

What I believe they will tell you is happening would be called Overkill, or
a Reaction that once started doesn't want to stop. If you control the rate
of reaction you can create a greater thickness. As you can imagine the
deposition at the outer layers could be different than the boundary layers
since the chemistry kind of changes.

Yours in Engineering, Dave
YiEngr, MA/NY DDave

-------------------------------------------------------------------------------Leadfee Mail List provided as a service by IPC using LISTSERV 1.8d
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Leadfree
To temporarily stop/(start) delivery of Leadree for vacation breaks send: SET Leadfree NOMAIL/(MAIL)
Search previous postings at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-------------------------------------------------------------------------------