On my workbenches and soldering benches, yes. This is just for the=20 offices and other non-technical office areas, but I still seem to have=20 open PCBs around quite a bit. Cheers -Neil. On 12/12/2019 3:39 PM, Michael Johnston wrote: > Hi Neil, Do you use a wrist anti-static bracelet. I use to assemble HP > servers on an assembly line a few years ago and they had a wrist strap > that was attached to Earth ground at my assembly station. We also stood o= n > ant-static mats on the floor and I don't remember any failures at the tim= e. > Thank You > Michael Johnston > > On Wed, Dec 11, 2019 at 9:41 PM Neil wrote: > >> Yeah, I don't expect complete anti-static protection... I've toasted a >> few things in the past with the only possibly explanation being ESD and >> just looking for some reduction to improve my odds. These are usually >> simple boards and things I'm coding at my desk, or things I'm demoing to >> someone. Anything mission-critical does get handled better, or will be >> worked on at a proper workstation with anti-static mats, etc. >> >> Cheers, >> -Neil. >> >> >> >> On 12/11/2019 2:46 PM, RussellMc wrote: >>> No vast experience with carpet mitigation, but I've been lead to believ= e >>> over decades that >>> >>> - You can greatly reduce carpet ESD levels but are unlikely to get t= hem >>> down to the level where no other protection is needed. >>> >>> - Anti-static sprays and surface treatments for carpet can remove the >>> shocks that people feel but as above, are not reliable as a sole >> protection >>> for electronics. >>> >>> - ESD hazards are both real AND overstated by protection supplies. How >> you >>> determine where the line is is 'the trick'. >>> >>> It may be that copper wire grids at enough more protection - but the >>> general argument has been that bulk grounding tends to work well enough >>> where the surface proper is not an ESD generator. >>> >>> Body capacitance certainly affects discharge energy levels - connecting >>> multiple bodies increases the felt shock markedly. A shuffling line of >>> zombies, with the lead zombie (read engineering department staff member= ) >>> pointing a finger at oncoming victims, produced fearsome results. The >>> victim and lead zombie were about equally impacted but all participants >>> felt a shock cross person to person gripped hands at discharge time. >> Filing >>> cabinets do a nice job as (painful) person discharge points. >>> >>> _____________________ >>> >>> Many decades ago we were losing a significant percentage of eproms in a >>> development environment - using the then standard UV erasable ones. >> Better >>> attention to electrostatic handling after UV exposure reduced failures = to >>> about zero. >>> I've never seen another so clear cut example. >>> >>> Butyl rubber sheet (carbon loaded) on development desks seems to work >> very >>> well. >>> These may mar the cosmesis if used on carpet :-). >>> >>> >>> Russell >>> >>> >>> On Thu, 12 Dec 2019 at 08:26, Neil wrote: >>> >>>> I'm remodeling an office and would like to make the ground (carpet) >>>> anti-static if possible. I'm using nylon carpet, not anything >>>> ESD-specific, but I understand that if I place a grid of copper strips >>>> (grounded) first and use conductive adhesive, it would make a noticeab= le >>>> difference, even for non-ESD carpet The carpet manufacturer (Interfac= e) >>>> says that there is a bit of ESD "protection" in that carpet anyway. >>>> >>>> I don't need this to meet any spec or be certified, etc... just lookin= g >>>> to help protect all my open PCB's from possible damage while I'm here. >>>> >>>> Any of you know if this is worth the effort/cost? Or any other things= I >>>> can do to add a bit of ESD protection. >>>> >>>> Cheers, >>>> -Neil. >>>> >>>> >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .