ANSI ESD S20.20-1999 pdf download Protection of Electrical and Electronic Parts, Assemblies and Equipment (Excluding Electrically Initiated Explosive Devices)
6.0.2. ESD Control Program Guidance The primary objective of a Program is to provide continuous ESD protection. Electrostatic control and protection entails implementation of Program requirements during design, production, inspection, test, storage, shipment, installation, use, maintenance, replacement and repair functions.
6.0.3. Tailoring This document, or portions thereof, may not apply to all applications. Tailoring is accomplished by evaluating the applicability of each requirement for the specific application. Upon completion of the evaluation, requirements may be added, modified or deleted. Tailoring decisions, including rationale, shall be documented in the ESD Control Program Plan (hereafter referred to as the “Plan”).
6.1 ESD CONTROL PROGRAM ADMINISTRATIVE REQUIREMENTS
6.1.1 ESD Control Program Plan
6.1.1.1. ESD Control Program Plan Requirement The Organization shall prepare an ESD Control Program Plan that addresses each of the requirements of the Program. Those requirements are: The Plan, Training, Compliance Verification and ESD Control Program Plan Technical Requirements. The Plan is the principal document for implementing and verifying the Program. The goal is a fully implemented and integrated Program that conforms to internal quality system requirements. The Plan shall address the requirements as described herein and shall apply to all applicable facets of the Organization’s work. The Plan shall contain the specific requirements for the organization and be evolutionary as technologies, processes or procedures change. If there is a contractual requirement for device or assembly testing, options for determining ESD Sensitivity include QPL-19500, QML-38535, VZAP data or manufacturer’s data sheets. Efforts to identify and eliminate defects, and prevent their introduction, shall be a component of the Plan to reduce the cost and risk associated with ESD damage.
6.1.1.2. ESD Control Program Plan Guidance The Plan should describe the scope of the Program; describe the tasks, activities, and procedures necessary to protect ESD sensitive items at or above a specified sensitivity level; identify organizational responsibilities for the tasks and activities; and list directive or supportive documents used in the Program. The Plan should include a listing of the specific type of ESD protective materials and equipment used in the Program. A major element in an effective Plan is the assessment of the ESD susceptibility of parts, assemblies and equipment and their required protection levels. A common method for establishing ESD sensitivity limits is to use one or more of the three ESD models used for characterization of electronic items. These are HBM, MM, and CDM (see Appendix A). The selection of specific ESD control procedures or materials is at the option of the Plan preparer and should be based on risk assessment and the established electrostatic discharge sensitivities of parts, assemblies, and equipment. The Plan should ensure that the Organization and suppliers of ESD sensitive items have established and implemented a Program in accordance with this document.