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May 2008

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Subject:
From:
Bev Christian <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Bev Christian <[log in to unmask]>
Date:
Mon, 12 May 2008 10:49:24 -0400
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But Doug, the vaporization of all those bureaucrats at once would
actually increase the amount of carbon dioxide in the atmosphere - right
now it is sequestered.  Hmm, but they heat their houses, drive cars and
have anal emissions (average 16 - 2.5 liters per day), so maybe the
volcano would be better. 
Bev

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas O. Pauls
Sent: Monday, May 12, 2008 10:46 AM
To: [log in to unmask]
Subject: Re: [TN] Vapor phase

Yes, but considering how often the technocrats make an ash of
themselves, 
would we not be compounding the problem?  On the other hand, they could 
then claim they are decreasing their carbon footprint.

Doug Pauls




Graham Collins <[log in to unmask]> 
Sent by: TechNet <[log in to unmask]>
05/12/2008 09:40 AM
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TechNet E-Mail Forum <[log in to unmask]>; Please respond to
[log in to unmask]


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Subject
Re: [TN] Vapor phase






Bill, maybe we could plug the volcano by airdropping EU Technocrats into
it!  Apparently they are readily available... 


regards,
 - Graham

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bill Kasprzak
Sent: Monday, May 12, 2008 11:34 AM
To: [log in to unmask]
Subject: Re: [TN] Vapor phase

Gosh, with all due respect, I'm sure the equipment is using the Galden
fluid for vapor and that drag out if any is minimal. No environmental
concerns as far as I can tell.

I think vapor phase will be the comeback kid in the years to come
because of the even distribution of heat. (We do not have any lead-free
soldering issues here)

What I'm really talking about out is how inconsequential our impact on
global warming compared to the enormous volcanic eruption in Chile. Some
of the photo's are incredible. Maybe Steve can post them. I think they
are available from the UK's Daily mail website.

What's happening right now in Chile is a huge environmental disaster and
no one, no laws, no regulations can do anything about it. It just shows
how inconsequential we really are.




Bev Christian <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
05/12/2008 09:26 AM
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TechNet E-Mail Forum <[log in to unmask]>; Please respond to Bev Christian
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Subject
Re: [TN] Vapor phase






Ioan,
Ask the supplier what is the global warming potential of the materials
they are proposing as the thermal transfer material.  Then you have to
decide if you can live with the answer.

Also, RF cans with small holes can be problematic.

Bev
RIM

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Ioan Tempea
Sent: Monday, May 12, 2008 9:24 AM
To: [log in to unmask]
Subject: [TN] Vapor phase

Dear Technos,

 

I would like to get your expert opinion on the latest developments in
the vapour phase technology. The last time this topic has been discussed
here this was still an environmental hazard.

 

Here's the latest sales pitch:

 

Dear Convection Oven Users:

With Energy Costs Skyrocketing, You have a cheaper, efficient, and a
better yield Alternative!!

Low Operating Cost, 110 Volt Machine, Run Lead and Lead Free
Sequentially!! 

High Yield, Run your Lead Free Boards at 230 Degrees Uniform Temperature
Distribution, No Circuit Board Delamination, Uses Environmentally
Friendly Teflon 2 Liquid No Hazardous Florocarbons!

 

The questions are:

*       Are the advantages real, should I prefer vapour phase over
convection in day by day reflow operations, from the technical point of
view?

*       Would the technology finally be environmentally friendly?

 

Thanks,

 

Ioan

 


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