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June 1998

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Subject:
From:
Jeff Guynn <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 10 Jun 1998 08:20:10 -0500
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Some of these answers might vary depending on who you talk to. Like the
most commonly used tin/lead solder paste alloy used during reflow
soldering...in our shop we use much more of the 62/2/36 mixture but I think
that the standard 63/37 is probably more widely used. Both choices are
available for the answer. Perhaps I should have polled a few paste
suppliers before I took the test!! Also, when attaching thermocouples for
an oven profile, I had thought it's best to use conductive adhesive or high
temp solder. Adhesive is offered as a choice but he doesn't say that it's
conductive or not...? Also, one of the questions had the same (correct)
answer for both choice A and B. Picking b was counted as wrong even tho it
was the same as A!! Oh well, I'm probably being a bit picky...

At 08:53 AM 6/10/98 PDT, you wrote:
>Picked this up yesterday, might be of interest to some.
>
>Ian
>
>
>There is a new twenty questions on reflow soldering on the following web
>site have a go and look at your score compared to other visitors.
>
>The test your reflow knowledge is now at
>
>http://www.bobwillis.co.uk
>
>
>
>"THE SOLUTION PROVIDER FOR YOUR MANUFACTURING PROBLEMS"
>
>Bob Willis
>Process Engineering Consultant
>Electronic Presentation Services
>2 Fourth Avenue, Chelmsford, Essex CM1 4HA. England.
>Tel: (44) 01245 351502
>Fax: (44) 01245 496123
>Mobile: (44) 0860 775858
>Email: [log in to unmask]
>Internet Home Page: http://www.bobwillis.co.uk
>
>
>Regards
>Ian Squires
>Senior Production Engineer
>-------------------------------------------------------
>
>Graseby Dynamics Ltd
>Park Avenue, Bushey, Watford, Herts, WD2 2BW
>Web Site: www.gradyn.co.uk
>Phone:    01923-228566 xt 295
>Fax:      01923-221361
>E-mail:   [log in to unmask]
>
>Registered in England no. 480992
>Registered office:
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----

Jeffrey C. Guynn <[log in to unmask]> Phone: (219) 429-6345
Lead SMD Manufacturing Engineer        Fax: (219) 429-4688
Raytheon Systems Company M/S 25-31
1010 Production Road, Fort Wayne, IN 46808-4106

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