The manufacturing landscape is a realm of intricate processes where precision and attention to detail are paramount. In this environment, the imperceptible threat of Electrostatic Discharge (ESD) can wreak havoc on product integrity and reliability. The article explores the significance of choosing anti-static production torque tools, delving deeper into the nuances of ESD, its potential consequences, and the role these specialized tools play in mitigating risks.
The Ongoing Challenge of ESD
For manufacturing engineers engaged in the production of microelectronic products, the spectre of ESD is an ongoing challenge. Despite technological advancements that have led to faster, smaller, and more intelligent electronic devices, the risk of ESD-related damage has escalated. With operating voltages as low as 1.5 Volts and chip-set traces measuring a mere 400 angstroms in width, any oversight in preventing ESD can have severe repercussions on production yields, manufacturing costs, and overall product quality. Industry experts estimate significant product losses, ranging from 8-33%.
Preventative Measures and Unseen Threats
While measures such as wrist straps and heel straps have become standard practices to prevent ESD from human sources, the article sheds light on the often-overlooked threat posed by ungrounded production tools. The focus extends beyond the human model of discharge to address the potential risk posed by tools themselves, especially torque screwdrivers and electric screwdrivers commonly used in assembly processes.
Fundamentals of Static Electricity
A comprehensive understanding of the fundamentals of static electricity in the manufacturing environment is essential. The article provides insights into triboelectric charging, mechanical contact, separating dissimilar materials, and how this process generates an electrostatic charge. The discharging of these potentials, occurring within micro- to nano-second intervals, is at the core of the ESD phenomenon.
Models of Discharge and Potential Damages
The article explains the two primary models of ESD discharge – the Human Body Model and the Machine Model. It describes how charges can build up on bench tools and emphasizes the potential damages caused by ESD, even at voltages below 200V. The impact on semiconductors, gate oxide destruction, and junction failure are discussed, highlighting the distinction between catastrophic and latent failures.
Importance of Properly Grounded Tools
Addressing the potential ESD risks posed by tools becomes a critical consideration. The article stresses that proper grounding involves more than a superficial addition of a pigtail to the power cord; it necessitates a comprehensive approach to designing tools with a complete ground path in mind. This includes focusing on the materials used in the tool housing and ensuring that the entire tool, from the tip to the power outlet, forms an uninterrupted ground path.
Download White Paper: Preventing Electrostatic Discharge in Manufacturing Environments
FG ESD Torque Screwdrivers
The FG ESD tool is an expansion of the Mountz FG hand torque tool brand engineered with Mountz cam-over technology. Designed for an ESD-safe environment with sensitive electronic components and assemblies, the Mountz ESD screwdriver adheres strictly to IEC standards, safeguarding against electrostatic energy and ensuring the utmost protection for delicate electronics. ESD safe tool prevents electrostatic discharge and maintains a surface resistance within the range of 10? to 10? Ohms, ensuring compliance with ESD standards (Methods: IEC 61340-5-1, ANSI/ESD STM11.13) The tool features a dynamic wear-resistant internal seals as an added protective measure to prevent grease leakage and contamination from infiltrating sensitive areas or components.
Mountz torque screwdrivers deliver precision torque control, ensuring process reliability and efficiency. To see our full range of products, shop our store. Contact us anytime to ask a question. To inquire about price, request a quote. If you’d like to see our equipment in person, schedule an appointment. To get the latest torque-related news, follow us on LinkedIn.
