Silicon Exposed
Thursday, April 19, 2012
PCB fab characterization - undercut in DorkbotPDX batch order
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Most of the time people making PCB simply design the board exactly as they want it to look, send it off to the fab, and trust that they'...
Saturday, April 14, 2012
Fab screwups, then taming the 0201 passive
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Since I've already developed a reliable process for reflowing 0402 surface mount components, as well as 1mm pitch BGA, the next logical ...
Saturday, March 24, 2012
Analysis of RadioShack Duster Spray
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In research and industry, spraying with compressed gas (usually dry nitrogen) is the standard way to remove liquid from a specimen after sol...
2 comments:
Saturday, January 14, 2012
First BGA board
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(NOTE: This was originally scheduled to happen a lot earlier but the fab screwed up shipping on the boards. I only got them today.) A whil...
2 comments:
Saturday, December 31, 2011
Multiple Lithography in Homemade PCBs
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Earlier this week I decided it was about time to try making a board for some of the 24AA16 EEPROMs I had sampled from Microchip a year ago. ...
Friday, December 30, 2011
SITREP - December 2011
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Figured it's about time I posted an update since I haven't had time to write for a while, I just started the PhD program and my work...
1 comment:
Wednesday, March 16, 2011
Wet delayering process
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My preferred method for delayering chips is wet etching in dilute hydrofluoric acid (HF), commonly available in grocery stores as Whink bran...
1 comment:
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