Each component in an ESD protected area (EPA) plays a vital part in the fight against electrostatic discharge (ESD). If just one component is not performing correctly, you could harm your ESD sensitive devices, potentially costing your company a lot of money. The problem with many ESD protective products is that you can’t always see…
A fundamental principle of ESD control is to ground conductors including people at ESD protected workstations. Wrist straps are the first line of defense against ESD, the most common personnel grounding device used, and are required to be used if the operator is sitting. The wristband should be worn snug to the skin with its…
Read more Fundamental ESD Control Principles – Personnel Grounding
The Desco Digital Surface Resistance Meter Kit measures resistance point-to-point (Rtt) or surface-to-ground (Rtg) of worksurfaces, flooring systems, garments, and other materials in accordance with ESD Association documents: ESD TR53, ANSI/ESD S4.1, ANSI/ESD S7.1, ANSI/ESD STM97.1 and other documents. Learn more about Desco’s Digital Surface Resistance Meter Kit Here
Measure: Indicate surface voltage and polarity of objects. Control: Insulators must be identified at an ESD work area and must meet the guidelines in the ESDA’s ESD Control Program Handbook-ESD TR20.20. Non-Process Essential Insulators If items that can charge to 125 volts or more*, then one of the following will be used: Remove the item…
One of the key groups of products that we manufacture at our Chino, CA location is our testers, monitors and meters. We use a CNC machine to cut holes in the cases where connections are made, LEDs are placed and for other functions relating to the product. Watch a video of a test run HERE…
The “standard” resistance value for a wrist strap is to be 1 megohm (+/-20%). Touch-Testers test for this, so should your single-wire constant monitor. One of the ways that manufacturers of low cost continuous monitors cut corners is to not monitor for a current-limiting resistor in the wrist strap system. While there is no industry…
Read more Does your Continuous Monitor Test for a Resistor in the Wrist Strap?
The ESD Association provided a recent article for Printed Circuit Design and FAB called titled “The Simple Solution”. To read the entire article, click HERE. The article is a good discussion regarding the importance of measuring in ESD Control situations. Any good ESD Control Plan requires different measuring devices to determine the need for and effectiveness…
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We do have a product that Desco recommends for field service work when an AC outlet (equipment ground) is available. The problem is that for grounding to work, the AC outlet needs to be wired correctly (hot, neutral, and ground). Improper wiring more frequently occurs with drop down cords and power strips; we have seldom…
Jan Eudy provides some perspective in this article from Controlled Environments magazine. Read the article HERE. Desco manufactures a number of different styles of smocks. Our newest style is a scrub version to be worn when working with ESD susceptible items. Contact us today for a sample. Desco also manufactures Surface Resistance Meters that can be used…
Read more Is it appropriate to test an ESD garment on an operator?