Hi Lauren ELF and VLF emissions are a concern for SEM installations since the B field can possible distort the electron beam
SEMI EMC calls it out Best regards Tom Sent from my iPhone On Feb 20, 2013, at 10:45 AM, "Crane, Lauren" <[email protected]> wrote: > Is ‘ELF’ (as in ‘ELF EMI testing’) well established in any region(s) (US, EU, > etc…) as a particular frequency set, or is it primarily a subjective term for > “low-ish” frequencies? > > If the former, document citations would be very much appreciated. > > > Regards, > Lauren Crane > KLA-Tencor > > P.S. I realize, of course, that Elf’s are well established in the region of > the North Pole with annual frequency and that they are said to be low-ish in > stature. ;-) > > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://listserv.ieee.org/request/user-guide.html > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
