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Results tagged with dfm
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Design For Manufacturing - Principles and techniques that are used to ensure that a product is more easily manufactured, has higher yield during manufacture and/or exhibits lower cost of manufacturing. May be accomplished through choice of components, extra circuits for testing through to mundane issues like space for fixturing and labeling amongst many other techniques.
4
votes
1
answer
261
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What is the purpose of these unusual IC footprint features?
I am working on creating a footprint for the MAX25254 buck regulator and am puzzled by several inconsistencies which are proving annoying:
Inconsistent pad sizes
Seemingly unnecessarily complicated s …
- 34.9k
2
votes
3
answers
740
views
Is there a rule of thumb or an IPC standard for reducing (windowing) solder paste deposition...
I am creating a footprint for a 24-pin QFN package with exposed thermal pad. Sometimes manufacturers will provide solder paste mask guidelines in addition to metallization for the landing pattern, but …
- 34.9k
2
votes
1
answer
249
views
What determines the choice of maximum material condition (MMC) versus least material conditi...
I am evaluating the IPC-compliant footprint wizard in Altium Designer. One of the steps is to determine the pad size relative to the nominal ball diameter:
Related to this topic, an answer provides a …
- 34.9k