ESD S20.20

ANSI/ESD S20.20 now requires the Operator Walking Test (ANSI/ESD STM97.1) and conformance to Operator Resistance Measurements (ANSI/ESD STM97.2) for product qualification of flooring / footwear systems for grounding personnel. What is the importance of the Walking Test? It is necessary to qualify the Footwear / Flooring personnel grounding system for certification to ANSI/ESD S20.20. It…

Read more The New Footwear/Flooring Systems Requirements of ANSI/ESD S20.20-2014

Question: 1) In the scope, 200 volts CDM & 35 volts on isolated conductors are added. What is the intention to add them? Why are both of them determined on the value of 200 volts and 35 volts, respectively?  Question: 2) As defined in clause 8.3.1, “If the field measured on the process required insulator…

Read more Questions about ESD Control?

We are regularly asked if paper is OK in the ESD Protected Area or at an ESD workstation. Regular paper is insulative but tends to be low charging because it is hygroscopic (readily absorbs moisture).  The primary concern with paper is placing ESD sensitive items on the paper interfering with the path-to-ground of the grounded ESD mat.  Best practice…

Read more Paper in the ESD Protected Area

In article titled: Reducing Risk Through Supplier Quality Audits at EBN, the author, Douglas Alexander explains that auditing your suppliers can be an effective may to reduce your risk of quality issues with your products. He notes: “Before you purchase any production material from an unknown source, you should perform the appropriate level of supplier…

Read more Ask for a Desco ESD survey before your customer wants to audit you.