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ESD auditing is a routine reality for medical device manufacturers, electronic component manufacturers and automotive suppliers. The certification and customers demand that all components of the ESD control program are documented to comply with standards. The workbench on which the bulk of manual assembly and test activities take place is given special attention. The audit process is at risk if a workbench is non-compliant (or is not capable of being demonstrated to be compliant). The ANSI ESD-4002 work bench in the ESD range in Shanghai Leenol eliminates this risk. It does this in the following ways:
Built to Meet the Exact Requirements of ANSI S20.20
ESD control standard ANSI/ESD S20.20 is the most widely accepted standard for ESD control in North America and is slowly being accepted throughout the world. It covers requirements for ground systems, people grounding, work surfaces, packaging, just to mention a few items. A workbench that simply specifies "ESD safe" does not necessarily comply with the technical standards of S20. 20 such as surface resistance, connection to ground and point-to-point resistance.
The Leenol ESD work bench has been designed and manufactured to meet 100% of ANSI S20.20 requirements. The work surface’s resistivity falls within the dissipative range specified by the standard — currently between 10⁴ and 10¹¹ ohms. The bench is equipped with pre-installed grounding points hardwired to a common point ground. The benches are tested at the factory to ensure compliance and notes are taken of test results for audit. In case the auditor requests to see your work bench certificate, Leenol can show them documents that are not open for deliberation or rejection.
Complete Documentation Traceability
There are lots of ESD workstations on the market, which are built from components from various suppliers. All the components for the frame are sourced from one supplier, all the components for the work surface are sourced from a second supplier and all the components for the grounding hardware are sourced from a third supplier. In response to an auditor's request to certify, the owner of the workstation will compile a document set from every one of their suppliers (as their suppliers may provide them). A very common audit issue is the lack of or incomplete paperwork.
For all, ANSI S20.20 certified work benches, Leenol offers complete documentation traceability. A certificate of compliance from quality management is provided along with material test reports, surface resistivity measurement and grounding continuity verifying reports in one certification package. Every part is tested as a complete system, instead of a single part, and is obtained from approved suppliers. This is much simpler than a set of individual supplier certificates to be verified by the auditor.
Periodic Testing and Recertification Support
ANSI S20.20 stipulates the need for the testing of ESD control equipment for verification to ensure its continued compliance in time. Initial certified workbench can fail because of surface wear, degradation of grounding connection, or contamination months later. Most workbench owners don't make these periodic checks, either because they don't have the test equipment, or because they don't have a written procedure. Which means when they get the annual audit, they will be left un ready.
For Leenol customers, periodic testing procedures have been established in ANSI S20.20 for their ANSI S20.20 certified work benches. A testing guide is included on each bench and details measurement points that are acceptable resistances and suggests an ideal frequency for tests. Customers can also recertify their work surfaces or grounding components at Leenol in the Leenol recertification service. Leenol offers test equipment and training materials to customers who wish to test in-house. The continuous support will make the work bench audit ready throughout its life time service.
Seamless Integration with Your ESD Control Plan
ANSI S20.20 requires an ESD control plan be written, and all elements recorded on the plan. The workbench is an element of it, but it has to fit in the wrist straps, the floor arrangement, chair characteristics, and the grounding system of the personnel. A certified workbench which cannot be combined with other program elements introduces compliance gaps.
The ANSI S20.20 certified work benches from Leenol are there to seamlessly fit into standard ESD control program compliance components. Multiple wrist strap and equipment grounding locations on bench. ESD chairs and floor mats work well with the work surface height and material. Connections to ground are made with typical grounding hardware and equipment which follows standard grounding systems. The integration also requires that less re-design work is required if ESD control is part of an existing control plan when a Leenol workbench is added. The auditor does not see an uncoordinated programme, but a coordinated programme.
Conclusion
ANSI S20.20 Certified ESD Work benches from Shanghai Leenol provide the ESD control method by design to full line up of ANSI standard requirements, audit tracing and record from absolute start to finish, supported testing and recertification and seamless integration with ESD control plan. Compliant with IEC61340-5-1 and ANSI/ESD-2020 standard under ISO 9001, SGS, RoHS, Leenol ensures a complete ESD solution, offering storage equipment, packing materials, factory furniture, personal protection, clean room products and testing tools. Call Leenol today and have your facility properly fitted with audit ready work benches and ensure your compliance status.
