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Learning From Others' Mistakes: a Case Study of a PCB Design Error

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Aeroengineer
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Re: OSH Park
Aeroengineer   4/12/2014 2:33:20 PM
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Msimon,

Sorry for the late response, I have been recovering for a lot of travel.  The soldering I do with a hot air rework tool.  Because the boards are so small, they reflow almost the entire board at once.  It really works pretty well.  I am in the process of converting a toaster oven, but I have to get through a few other things first. 

 

On the design rules. OSHPark really can do down to their 6/6 spacing.  They can even do smaller, they have margin built in, but do not expect to have 100% yields at a lower spacing.

MSimon0
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Re: OSH Park
MSimon0   4/13/2014 5:19:04 AM
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Thanks! I have a home made hot air toll that I use. It takes a few minutes to heat up but works pretty well. I have also found Chip Quik Fluz to be invaluable. I'm going to try doing some .5mm pitch parts soon. Thanks!.

 

Home built hot air iron instructions:

http://spacetimepro.blogspot.com/2013/06/hot-air-iron.html

 

Aeroengineer
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Re: OSH Park
Aeroengineer   4/13/2014 10:07:09 AM
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That is a fine example of ingenuity there!  Soldering the .5mm pitch parts has not been a problem.  I just do an inspection of the edges of the part after they are reflowed. I had one part have a solder bridge that I cleared up by running the soldering iron across the edge of the part and draging away.  I have a bit extra on the pads that is exposed that allows me to do this.

 

Adam

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