You have been in the industry for quite some time Franklin, so excuse me
for stepping on your toes. Understand, however these boards will
probably outlive our grandchildren. And again, baking is typically
performed to remove moisture which does not need high temperature. Have
you read any of Ralph Woodgates material?
Rick Howieson
>-----Original Message-----
>From: Franklin [SMTP:[log in to unmask]]
>Sent: Tuesday, October 26, 1999 11:44 AM
>To: Howieson, Rick; TechNet E-Mail Forum.
>Subject: Re: Re: [TN] HELP!!! - flow solder problems RT
>
>Rick,
>
>I've been in the fabrication industry for 1.5 years. I've read just about
>every magazine, book, article, journal, etc as it relates to fabrication.
>
>I must have come across references to baking reducing life and reliability
>well over 75 times, at least.
>
>Plus discussions with others in this industry, they substantiate this.
>
>There is lot's of data to support that fact, let me know if you have the
>desire to read some of the data I have.
>
>Here's something to consider, what would repeated baking to such everyday
>items such as:
> a.. Wood, your house, your boat, your patio and furniture
> b.. Steel and other metals
> c.. Your body!
> d.. Your car, or car interior
> e.. Your boat, hmmm, it's made of a similar material
> f.. Your cat or dog
> g.. or practically anything else imaginable besides ceramics of course
>I think baking most everything we come across has adverse affects on it. Why
>would boards differ from this?
>
>Regards,
>
>Franklin D Asbell
>Network Circuits, Inc.
>Irving, Texas
>
>
>
>
>
>
>=============================================================================
>=======
>
>Alain,
>I have been in board fab AND assembly for quite some time and have never
>heard baking reduces the life and reliability. What data do you have to
>substantiate this claim?
>Rick Howieson
>
><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
><HTML>
><HEAD>
>
><META content=text/html;charset=iso-8859-1 http-equiv=Content-Type>
><META content='"MSHTML 4.72.2106.6"' name=GENERATOR>
></HEAD>
><BODY bgColor=#ffffff>
><DIV><FONT color=#000000 size=2>Rick,</FONT></DIV>
><DIV><FONT color=#000000 size=2></FONT> </DIV>
><DIV><FONT size=2>I've been in the fabrication industry for 1.5 years. I've
>read
>just about every magazine, book, article, journal, etc as it relates to
>fabrication.</FONT></DIV>
><DIV><FONT size=2></FONT> </DIV>
><DIV><FONT size=2>I must have come across references to baking reducing life
>and
>reliability well over 75 times, at least.</FONT></DIV>
><DIV><FONT size=2></FONT> </DIV>
><DIV><FONT size=2>Plus discussions with others in this industry, they
>substantiate this.</FONT></DIV>
><DIV><FONT size=2></FONT> </DIV>
><DIV><FONT size=2>There is lot's of data to support that <STRONG>fact,
></STRONG>let me know if you have the desire to read some of the data I
>have.</FONT></DIV>
><DIV><FONT size=2></FONT> </DIV>
><DIV><FONT color=#000000 size=2>Here's something to consider, what would
>repeated baking to such everyday items such as:</FONT></DIV>
><UL>
> <LI><FONT size=2>Wood, your house, your boat, your patio and
> furniture</FONT></LI>
> <LI><FONT size=2>Steel and other metals</FONT></LI>
> <LI><FONT size=2>Your body!</FONT></LI>
> <LI><FONT size=2>Your car, or car interior</FONT></LI>
> <LI><FONT size=2>Your boat, hmmm, it's made of a similar
>material</FONT></LI>
> <LI><FONT size=2>Your cat or dog</FONT></LI>
> <LI><FONT size=2>or practically anything else imaginable besides ceramics
>of
> course</FONT></LI></UL>
><DIV><FONT size=2>I think baking most everything we come across has adverse
>affects on it. Why would boards differ from this?</FONT></DIV>
><DIV><FONT size=2></FONT> </DIV>
><DIV><FONT size=2>Regards,</FONT></DIV>
><DIV><FONT size=2></FONT> </DIV>
><DIV><FONT size=2>Franklin D Asbell</FONT></DIV>
><DIV><FONT size=2>Network Circuits, Inc.</FONT></DIV>
><DIV><FONT size=2>Irving, Texas</FONT></DIV>
><DIV><FONT size=2><STRONG></STRONG></FONT><FONT face=Arial
>size=2><B></B></FONT> </DIV>
><DIV><FONT face=Arial size=2><B></B></FONT> </DIV>
><DIV><FONT face=Arial size=2><B></B></FONT> </DIV>
><DIV><FONT face=Arial size=2><B></B></FONT> </DIV>
><DIV><FONT face=Arial size=2><B></B></FONT> </DIV>
><DIV><FONT face=Arial size=2><B></B></FONT> </DIV>
><DIV><FONT face=Arial size=2><B></B></FONT><FONT color=#000000
>size=2>======================================================================
>==============</FONT></DIV>
><DIV><FONT color=#000000 size=2></FONT> </DIV>Alain,<BR>I have been in
>board fab AND assembly for quite some time and have never<BR>heard baking
>reduces the life and reliability. What data do you have to<BR>substantiate
>this
>claim?<BR>Rick Howieson<BR></BODY></HTML>
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