Timeline for What should I look for when shopping for an ESD bench mat?
Current License: CC BY-SA 3.0
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| Oct 5, 2013 at 0:13 | comment | added | cristoper | The surface resistance can't be arbitrarily high, or it wouldn't work to dissipate static charge. Most commercial ESD mats have a surface resistand of 10^6 to 10^8 ohms (and the spec table should list it, usually for each layer). A worktop mat also doesn't necessarily need to be grounded to earth: as long as it is kept at the same potential as the operator there should be no ESD. Earth is a convenient common point, though. | |
| Jul 25, 2012 at 21:48 | history | answered | Dumbo | CC BY-SA 3.0 |