Basics of an ESD Protected Area (EPA)

When setting up an ESD Protected Area (EPA), it’s important to determine what ESD Control measures are required. Not every EPA will be the same. The key is that an EPA will provide an environment where ESD is managed by 1) minimizing it’s build up and 2) dissipating it quickly without damaging electronic components.

Below is an example of what you can expect to find in an EPA.

Click HERE to learn more and request an ESD survey of your facility.

EPA.jpg

 

2016 Technology Showcase Featuring SMT Process Technology

Trans-Tec America, in collaboration with Restronics New England, presents the 2016 Technology Showcase featuring SMT process technology.

See Desco’s product demonstration.

Transtec_units

Desco will present a demonstration of our ionization and continuous monitoring products. We will be available to answer any of your questions concerning these ESD Control technologies or any other ESD Control topic.

When: February 3, 2016 –  10:00 AM to 4:00 PM

Where: Holiday Inn, 242 Adams Place, Boxborough, MA 01719

Happy Holidays from Desco

DescoOffice.jpgFrom all of us here at Desco, we would like to wish you a safe and Happy Holiday season!

We will be closed on Friday, December 25th and Friday, January 1st.

As always, thank you for your business and the opportunity to provide you with an ESD solution!

Use ESD Control Products Correctly or You Can Do More Harm Than Good

Workstation_2014_SittingNewWith most companies pressured by global competition, effective ESD control can be a key to improving productivity, quality, and customer satisfaction. It is a pity that many companies buy ESD protective products or equipment and then misuse them, often causing more harm than good. Learn more

Thanks…

Rochester, NH. Monday 11/23/2015

Rochester, NH. Monday 11/23/2015

Desco will be closed for the holiday on:
Thursday, November 26th and Friday, November 27th in observance of the Thanksgiving holiday.

Operations will resume on November 30, 2015.

A Better Way to Connect to Ground

Using snaps has long been the most common way of making a grounding connection (wrist straps, ground cords, etc) in ESD control products, but snaps have some drawbacks. Snaps can be easily unsnapped or damaged, and they are not normally used for making an electrical connections. Desco manufacturers a better design that is more durable and cannot be easily disengaged.

The design used in Desco’s dome style ground cords is made with a 10mm (0.395 in.) male threaded snap. Dome style ground cords are sometimes called a Floor Mat Ground, but they can be used on work benches too. With a screw and washer installed from the backside of the mat, the ground cord can be secured to the mat to reduce the opportunity for the mat to become ungrounded.

See a better way to connect in this video.

Has the Department of Defense (DoD) adapted the ESD Association ANSI/S20.20-2014?

Yes, the DoD formally adopted ANSI/S20.20-2014 on 4 June 2015. Please refer to the official announcement on the ESDA site HERE.

For more information on recent changes made to S20.20, see the JAN/FEB edition of the ESDA’s Threshold – Significant Changes Made From the 2007 Version To The 2014 Version Of ANSI/ESD S20.20

To download a complimentary .pdf of ANSI/ESD S20.20-2014, go to the ESD Association web site – www.ESDA.org.

Everyday is Manufacturing Day

Since Desco’s start we have been dedicated to manufacturing. From the original Circuitracer to our newest ionizer, we are dedicated to making stuff.  We have expanded to over 380K square feet of manufacturing space at our factories. We celebrate Manufacturing Day and all the companies and people who spend their days making stuff.

11 Steps to Establishing an ESD Control Plan

1. Define what you are trying to protect.

What is the Human-Body Model (HBM) withstand voltage of the most sensitive item? A prerequisite of ESD control is the accurate and consistent identification of ESD susceptible items. Some companies assume that all electronic components are ESD susceptible. However, others write their ESD control plan based on the device and item susceptibility or withstand voltage of the most sensitive components used in the facility.  A general rule is treat any device or component that is received in ESD packaging as an ESD susceptible item.

2. Become familiar with the industry standards for ESD control.

A complimentary .pdf of ANSI/ESD S20.20-2014 can be downloaded from the ESD Association web site at www.ESDA.org. Also consider purchasing the ESDA’s ESD Handbook ESD TR20.20-2008.

3. Select a grounding / equipotential bonding system.

The 3rd-wire AC electrical equipment ground is the preferred, recommended ground reference.

4. Determine the method of ground for operators (Personnel Grounding).

The two options for grounding an operator are a wrist strap or foot grounders.  Wrist straps must be worn if the operator is seated. If foot grounders are used, an ESD flooring system must be used.  In some cases both wrist strap and foot grounders will be used. The 3rd-wire AC electrical equipment ground is the preferred, recommended ground reference.

5. Establish & Identify EPA(s) – ESD Protected Area(s).

ESD Control Plans must evolve to keep pace with costs, device sensitivities, and the way devices are manufactured. Define the departments and areas to be considered part of the ESD Protected Area.  Consider if customers and/or subcontractors should be included. Implement access control devices, signs, and aisle marking tape to identify and control access to the ESD Protected Area(s).

6. Select ESD control items to be used in the EPA based on your manufacturing process.

Elements that should be considered include: worksurfaces, flooring, seating, ionization, shelving, mobile equipment (carts), and garments.

7. Develop Packaging (Materials Handling & Storage) Plan.

When moving ESD susceptible devices outside an ESD protected area, it is necessary for the product to be packaged in an enclosed ESD Shielding Packaging.

8.  Use proper markings for ESD susceptible items, system or packaging.

From ANSI/ESD S20.20-2014 section 8.5: “the Organization, in developing the ESD Control Program Plan, shall consider the need for marking.”

9. Implement a Compliance Verification Plan.

From ANSI/ESD S20.20-2014 section 7.4: “A Compliance Verification Plan shall be established to ensure the Organization’s fulfillment of the technical requ.rements of the ESD Control Program Plan”.

10. Develop Training Plan.

From ANSI/ESD S20.20-2014 section 7.2: “Initial and recurrent ESD awareness and prevention training shall be provided to all personnel who handle or otherwise come into contact with any ESDS items.”

11.  Make the ESD Control Plan part of your internal quality system requirements.

A written ESD Control Plan provides the “rules and regulations”, the technical requirements for your ESD Control Program. This should be a controlled document, approved by upper management initially and over time when revisions are made. The written plan should include following:

  • Qualified Products List (QPL)A list of EPA ESD control items is used in the ESD control Plan
  • Compliance Verification Plan- Includes periodic checking of EPA ESD control items, and calibration of test equipment per manufacturer and industry recommendations.
  • Training Plan- An ESD Program is only as good as the use of the products by personnel. When personnel understand the concepts of ESD, the importance to the company of the ESD control program, and the proper use of ESD products, they will implement a better ESD control program improving quality, productivity, and reliability.

 

Closed on Monday September 7, 2015 – Labor Day Holiday

All US based Desco Industries locations will be closed on Monday September 7, 2015 in observance of the Labor Day Holiday. Customer service, production, shipping, and all other departments will be closed. No orders will be processed for the day. Normal operations will resume on Tuesday September 8, 2014.

We thank you for being a valued customer of Desco Industries. Our staff would like to wish you a safe and happy Labor Day weekend.

Inocensia S. 9 years with DII
Journeyman sewing machine operator in Miami, FL.
Brian L. 13 years With DII
Journeyman electronics technician in Chino, CA.
Indra K. 23 years with DII.
Maintenance supervisor in Chino, CA.
Sa Em C. 17 years with DII.
Journeyman bag production in Canton, MA.

Desco Industries, Inc. manufactures ESD control products and other production supply products at seven USA factories.

 

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