COP Ignition Development

I use a temperature controlled iron and non-magnetic stainless steel tweezers. Using steel is a problem, the parts stick due to residual magnetism. I take care to keep the part aligned, and flush to the board for the first solder joint. For small parts like resistors and capacitors the iron can be quickly moved from end to end, to get the float for de-stress. Parts are soldered quickly, a second or two at most. It would take pages to explain, I am not an expert either.
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A fine solder wick is handy to remove excess solder from QFP, and MSOP fine pitch leaded parts. I do not use QFN or BGA type parts.

I hired an automotive contract manufacturer to build my ECU 12 years ago. Here is the company: http://www.pgftech.com/ The reliability has been 100%. If the COP ignition goes into production, it should be contract manufactured.

My prototypes serve only for initial test evaluation, and learn a few things, prior to the PCB development. I do not like to waste money, so I achieve to get things correct the first time.