Q: Do the heel strap cords need to be placed inside the sock i.e. between skin and sock or can the cord be outside the sock i.e. between sock and shoe? Is this specified in any ESD documentation? If so, which standard? A: I like this question because I used to always...
Q: Is it ok to wear ESD shoes or heel, toe, or sole grounders outside? A: No. MIL-HDBK-263B Appendix 1 page 101 40.1.2 states, “Conductive shoes, shoe covers, or heel grounders should be used to discharge personnel on conductive floors. These items should only be...
Q: In our organization, there is a lot of paperwork that accompanies the product. Is this harmful to the product due to static generation? I have measured all the documents surface resistivity and find it to be dissipative in nature. Our production environment...
Q: Into our manufacturing area we have a dissipative floor installed, some areas has lost the dissipative properties, we are using ESD wax to correct those areas. We are not having good results, we measure point to point and point to ground and these areas still...
Q: Hi, I am a fresh ESD engineer. I need to perform a testing on ESD chair by using 5 pound Megohmmeter. I encountered a problem when I was trying to test on the backrest and rear of backrest. The backrest is a vertical plate, how to put a 5 pound electrode...
Q. What is the importance of having the personnel within an EPA to wear ESD footwear on an ESD Flooring system? A. Thanks for the inquiry. It was good speaking with you earlier. You had stated that you had concerns about the grounding of your flooring system and my...
Q: We have a number of carts, racks, and chairs in the clean room. When we do our weekly, monthly and semi-annual checks for ESD and grounding, do we do a statistical sample or do we check all of each item. Is there a standard that explains this? A: You ask a very...
Q: What is Static Electricity? A: Static Electricity can be defined as an electrical charge at rest. ESD is the transfer of static charges between bodies or objects at different electrical potentials. This may be caused by either direct contact or by induction of an...
Q: I’m having a hard time understanding the difference between an ESD Control “Program” and an ESD Control Program “Plan”… Can someone explain what is required? Do I need two documents, one “Program” and one...
Q: What is the difference between the symbols used in ESD warning signs / labels: yellow hand w/ black background; black hand w/ yellow background; attention; triange/hand with arch; warning; etc. and how do you decide which one to use? A: As per ANSI/ESD S8.1-1993,...
