QualiEco Resources
Glossary and Abbreviations - PCB Glossary
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Alphabet U
- UL: (Underwriters Laboratories Inc.)A corporation supported by some underwriters for the purpose of establishing safety standards on types of equipment or components.
- Underwriters SymbolA logotype denoting that a product has been recognized (accepted) by Underwriters Laboratories Inc. (UL).
- UncladCured Epoxy glass without any copper layer(s).
- UV CuringPolymerizing, hardening, or cross linking a low molecular weight resinous material in a wet coating ink using ultra violet light as an energy source.
PCB Design Tips
When designing a PCB, try to limit
the amount of draws you use.
Draws use a lot of memory and slows the programming time. Ex.: Use a flash for pads instead of draws. If for some reason we need to increase or decrease that pad size, it can easily be done by changing the D-code but if they are done with draws it could be a nightmare.
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