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Design projects that are actually completed with time to spare are few. We do what we can, but breaking new ground invariably uncovers a few snakes in the brush, and dealing with them takes time. That means that the next step – production ramp – starts behind schedule. At that point you need to get assembly quotes back ASAP so a choice can be made and the trigger pulled to get product flowing.



Some contract assemblers could provide a working number within a few days, but it would come with a list of caveats and unknowns and escalator clauses. Do you really want to commit to the program manager, the CEO, or worse, the market, with a number that guarantees a loss of profit (bid too low) or a loss of sales (bid too high)? Not if it could be avoided, of course. So let’s start by pulling together the documentation that engineering has, plus the implementation that marketing envisions, plus the ramp time the boss has in mind.

Planning, quality and professionalism do not cost; they pay. Even with this list, questions might occur, but expect fewer interruptions to track down missing details and a more realistic cost, faster.


Figure 1. The EMS should take adders such as manual assembly into the equation.

Robert Simon
is a veteran of technology development and marketing, having worked R&D and marketing for electronics, polymer, and metal companies, including Bayer AG of Leverkusen Germany and Battelle Memorial Institute of Columbus, Ohio, before founding USTEK Inc.; This email address is being protected from spambots. You need JavaScript enabled to view it..

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