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chadlanser
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advertising
chadlanser   8/7/2014 7:13:29 AM
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@Duane the ideas you presented about good marketing and bad marketing strategies are interesting and companies should take them into consideration when advertising a product. There is a small electronics company in our city that started using custom vehicle wraps to advertise their business, what do you thing about their decision?

Duane Benson
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Re: Engineer Marketing...
Duane Benson   7/15/2013 12:55:20 AM
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Charles -  re: "I am sure the people at Harvard Business School will laugh."

I suspect that I cause a lot of laughter of that sort with my bi-polarness. Mostly, though, I think people just really don't know what to make of me.

Charles.Desassure
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Engineer Marketing...
Charles.Desassure   7/14/2013 11:50:34 PM
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Duane Benson, I thank you for this article and you had some very good information to share.  But I think you are still on the dark side.  Engineer marketing?  I am sure the people at Harvard Business School will laugh.

David Ashton
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Re: Vias vs Through plated holes
David Ashton   7/14/2013 7:44:41 PM
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Makes sense - Thanks Duane

Duane Benson
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Re: Vias vs Through plated holes
Duane Benson   7/14/2013 6:52:33 PM
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David - With a thru-hole part you want the capillary action to wick solder down through the hole to the other side. That same capillary action will cause the solder to creep further down the part leg causing the required fillet.

empty vias don't have the component lead to keep the solder in place and, especially with surface mount parts, everything tends to be smaller, so there's really no good place for the solder to go.

David Ashton
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Vias vs Through plated holes
David Ashton   7/14/2013 6:12:33 PM
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Duane, very interesting, thanks.  But what is the difference (apart from maybe size) between C in your diagram (which you say is a NO NO NO!) and a through plated hole for a normal wired or DIP component?

Duane Benson
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Re: Why so common?
Duane Benson   7/14/2013 4:07:30 PM
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Karen - I pass out this sort of information in a company blog. Probably nine out of ten posts on the blog are tips and hints for PCB designers - not too much marketing glurge. We also have a few white papers that are essentially the top ten list of things not to do.

Based on what I've seen and heard, there are a couple of different reasons that errors like open via in pad are so common. One is that fewer young engineers have older engineer mentors available to them. Another is that, with staff reductions, many companies that used to have PCB layout specialists on staff don't any more and the design engineers are now tasked with the layout, which isn't necessarily their area of expertise.

A long time ago, I worked for In Focus, the projector company. We had a layout specialist - Tom, who's last name I can't remember. This guy was an absolute wizard. He could be in the CAD layout software hitting key-codes with one hand, moving the mouse with the other, all while holding a conversation with someone behind him. Most engineering departments used to have that but very many have downsized that position away.

But wait - there's more... those same engineers are often tasked with more to do in a shorter period of time than was the case years ago. Sometimes the designer simply isn't allocated enough time to take the care to learn and avoid such mistakes.

kfield
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Why so common?
kfield   7/14/2013 1:45:24 PM
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Hi Duane, greast explanation of a common problem and why it's not a good idea. Why is it, do you think, that engineers continue to keep making the same mistake? I think back to my early days as an engineer, when the "old guys" would take younger engineers under their wing and tell us about all the bugaboos to avoid that they'd only learned through hard experience. Does your company, for example, include this in a "Ten Things NOT to do when designing a PCB?"

Tom Murphy
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Re: Two Blogs in One
Tom Murphy   7/12/2013 8:30:32 PM
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Great, Duane!  I'm a big cut-to-the-chase kind of guy. And this is EE Times, not CMO Times.  We'll look forward to your next blogs.

Duane Benson
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Blogger
Re: Two Blogs in One
Duane Benson   7/12/2013 6:13:10 PM
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Tom - Thanks for the note. I'm glad you found part of the blog interesting. I'm now done with my introduction here and my inferiority complex has said its "justification" piece so I now longer feel compelled to pollute actual information with non-electronics type stuff.

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