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  • yeab thinning with ethanol, spraying and keep water out is really the key. 10 pin DFN's are really not a problem.

    I haven't tried toner transfer so no idea if that's a useful process

  • PCBs are cool.

  • I plan on etching some boards for SMD in the near future. Lack of equipment is making me lean towards the toner transfer process. 

    Can't wait for your next article!

  • The dilution factor of the ethanol & the method of spraying photoresist are the trade secrets.  This is only the 2nd time someone documented surface mount chips on a home made board.  Normally, home made boards are only used for through hole parts.

  • Nice article for simple PCBs, look forward to next chapter.

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