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June 2009

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Subject:
From:
"Whittaker, Dewey (EHCOE)" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Whittaker, Dewey (EHCOE)
Date:
Fri, 5 Jun 2009 07:09:12 -0700
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Right you were on all intended variations as my words are always full of
meanings, even if not always meaningful.
Dewey

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
Sent: Friday, June 05, 2009 5:18 AM
To: [log in to unmask]
Subject: Re: [TN] NTC RE: [TN] Coating, Encapsulation, and Potting

Yes, though, being thoroughly infected with the Whittaker virus myself,
I 
was actually thinking of the "core" part of the word in relation to
Apple.

Doug Pauls
Rockwell Collins



"Bev Christian" <[log in to unmask]> 
06/05/2009 07:14 AM

To
"TechNet E-Mail Forum" <[log in to unmask]>, <[log in to unmask]>
cc

Subject
NTC RE: [TN] Coating, Encapsulation, and Potting






Of course I had to look up excoriate on Dictionary.com

Good thing I know Dewey is kidding!
Bev

1. to denounce or berate severely; flay verbally: He was excoriated for
his mistakes. 
2. to strip off or remove the skin from: Her palms were excoriated by
the hard labor of shoveling. 


------------------------------------------------------------------------
--------

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
Sent: Friday, June 05, 2009 8:11 AM
To: [log in to unmask]
Subject: Re: [TN] Coating, Encapsulation, and Potting

Hey, leave Bev alone.  He is being helpful.

And only you would "excoriate" our Blackberry maker with an Apple 
reference. 

Doug Pauls
Rockwell Collins



"Whittaker, Dewey (EHCOE)" <[log in to unmask]> 
Sent by: TechNet <[log in to unmask]>
06/04/2009 03:22 PM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
"Whittaker, Dewey (EHCOE)" <[log in to unmask]>


To
[log in to unmask]
cc

Subject
Re: [TN] Coating, Encapsulation, and Potting






Boy, what a bunch of Teacher's pets. This esprit de core gives new
meaning to praise him with an Apple.
Dewey

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian
Sent: Thursday, June 04, 2009 12:11 PM
To: [log in to unmask]
Subject: Re: [TN] Coating, Encapsulation, and Potting

Doug,
I too do not know of any official definitions of either, but let me
propose them:

Encapsulation is partial immersion of a component in an organic material
added for thermal, shock, humidity, security and/or ESD protection.

Encapsulation is total immersion of a component in an organic material
added for thermal, shock, humidity, security and/or ESD protection.

Bev
RIM

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
Sent: Thursday, June 04, 2009 2:32 PM
To: [log in to unmask]
Subject: [TN] Coating, Encapsulation, and Potting

Good afternoon all,

All this talk of underfill sparked a reminder of an IPC action item of 
mine.  Unknownst to most of you , I signed you all up on some of my 
committees.  There will be a new task group addressing potting and 
encapsulation, which will meet at the Fall IPC.  We already have
conformal 
coat task groups. 

So, I wish to initiate a series of questions and illuminating debate. 
Pardon me if I fall short on the illumination part (leave it alone
Dewey).

1.  What would you consider to be a definition of "potting" and a 
definition of "encapsulation"? 

2.  Are there standard definitions for these somewhere?  They don't
exist 
in IPC as far as I know.

3.  What would you consider to be the boundary between conformal coating

and "potting or encapsulation"?  I have my own opinions but want to hear

yours.

4.  In what class would you consider an underfill to be in?

That's enough homework for now. 

Doug Pauls
Rockwell Collins

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