{"id":2244,"date":"2025-08-27T03:15:18","date_gmt":"2025-08-27T03:15:18","guid":{"rendered":"https:\/\/mercurychemical.com\/?p=2244"},"modified":"2025-08-27T03:42:53","modified_gmt":"2025-08-27T03:42:53","slug":"anti-static-films-esd-films-in-the-electronics","status":"publish","type":"post","link":"https:\/\/mercurychemical.com\/en\/anti-static-films-esd-films-in-the-electronics\/","title":{"rendered":"Anti-Static Films (ESD Films) in the Electronics"},"content":{"rendered":"

Importance and Challenges<\/strong><\/span><\/p>\n

In the digital era, electronic components are becoming smaller, more integrated, and highly sensitive to electrostatic discharge (ESD). Even a few dozen volts of static electricity can damage ICs, transistors, MEMS sensors, or OLED displays at the nanometer scale. By contrast, a person walking on a nylon carpet can accumulate up to 10,000 V<\/strong>\u2014hundreds of times higher than the 20\u201350 V<\/strong> threshold that can destroy advanced CMOS transistors.<\/p>\n

ESD is a global challenge for the semiconductor industry, producing ultra-short discharges (nanoseconds to microseconds) powerful enough to destroy integrated circuits. Alongside the shortage of semiconductor raw materials, ESD control has become increasingly critical.<\/p>\n

In electronics manufacturing, logistics, and supply chains, ESD films<\/strong> are a key material: they control surface charges, protect components, and maintain essential mechanical properties such as tensile strength, tear resistance, and heat sealability. Major corporations such as Samsung, TSMC, Foxconn, LG Innotek, and Intel<\/strong> enforce strict packaging regulations for ESD, driving worldwide demand for durable, stable, and mass-production-ready ESD films.<\/p>\n

\"\"<\/p>\n

 <\/p>\n

The So<\/strong><\/span>lution<\/strong><\/span>: Anti-Static Packaging Materials<\/strong><\/p>\n

To mitigate ESD, various types of anti-static packaging materials have been developed, including films, trays, tubes, and matrix carriers<\/strong>. Among these, ESD films<\/strong> are the most widely used and are categorized into three main types:<\/p>\n

    \n
  1. Conductive<\/strong> \u2013 Low resistance, fast electron conduction, channels current through the film rather than the component, capable of handling strong discharges.<\/li>\n
  2. Dissipative<\/strong> \u2013 Slows and controls electron flow to the ground; absorbs moisture to form a thin water layer, reducing charge buildup.<\/li>\n
  3. Anti-static<\/strong> \u2013 Prevents triboelectric charging caused by contact and separation of surfaces; extensively used in aerospace to protect sensitive equipment.<\/li>\n<\/ol>\n

    Beyond electronics and semiconductors, ESD films are also widely used in the food, medical, and aerospace sectors<\/strong>.<\/p>\n

    Theoretical Basis: Charging, Discharging, and Limitations of Traditional Materials<\/strong><\/span><\/p>\n

      \n
    • Charging mechanism<\/strong>: When two surfaces come into contact and then separate (triboelectric effect), charges accumulate and may discharge once the breakdown threshold is reached.<\/li>\n
    • Traditional materials and limitations<\/strong>:\n
        \n
      • Carbon black<\/em>: requires 15\u201320% loading to achieve <10\u2079 \u03a9\/sq \u2192 loss of transparency, reduced mechanical strength, and poor processability.<\/li>\n
      • Ionic salts<\/em>: rely heavily on humidity, easily washed away, with only short-term effectiveness.<\/li>\n
      • PEDOT\/PSS<\/em>: transparent conductive polymer, but expensive, unstable under heat\/humidity, prone to degradation, and can corrode metal electrodes.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

        SWCNT (OCSiAl) \u2013 Mechanism and Advantages<\/strong><\/span><\/p>\n

        Single-Wall Carbon Nanotubes (SWCNTs)<\/strong>, particularly TUBALL\u2122 by OCSiAl (Luxembourg)<\/strong>, have proven to be a superior alternative.<\/p>\n

          \n
        • 3D Percolation Mechanism<\/strong>: CNTs are rolled graphene sheets with nanometer-scale diameters and micrometer-scale lengths. When evenly dispersed in polymers, as little as 0.01\u20130.05%<\/strong> CNT forms a 3D conductive network, effectively controlling surface charges.<\/li>\n<\/ul>\n

          \"\"<\/p>\n

            \n
          • Key Advantages<\/strong>:\n
              \n
            • Ultra-low dosage \u2192 saves material, reduces cost.<\/li>\n
            • High transparency \u2192 ideal for optical packaging and display applications.<\/li>\n
            • Superior mechanical strength \u2192 improved tensile and tear resistance while maintaining heat sealability.<\/li>\n
            • Long-term stability \u2192 not humidity-dependent, resistant to washout, effective for years.<\/li>\n
            • Broad compatibility \u2192 easily incorporated into PE, PP, PET, TPU, EVA.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

              Comparison: SWCNT vs. Carbon Black & PEDOT\/PSS<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
              Criteria<\/strong><\/td>\nCarbon black<\/strong><\/td>\nPEDOT\/PSS<\/strong><\/td>\nSWCNT (OCSiAl)<\/strong><\/td>\n<\/tr>\n<\/thead>\n
              Surface resistivity (\u03a9\/sq)<\/td>\n10\u2078\u201310\u2079 (15\u201320%)<\/td>\n10\u2076\u201310\u2078 (2\u20135%)<\/td>\n10\u2076\u201310\u2078 (0.01\u20130.05%)<\/td>\n<\/tr>\n
              Transparency<\/td>\nNone<\/td>\nModerate<\/td>\nHigh<\/td>\n<\/tr>\n
              Mechanical strength<\/td>\nStrongly reduced<\/td>\nNo improvement<\/td>\nEnhanced<\/td>\n<\/tr>\n
              Humidity\/thermal stability<\/td>\nModerate<\/td>\nLow<\/td>\nHigh<\/td>\n<\/tr>\n
              Cost\u2013performance ratio<\/td>\nLow, inefficient<\/td>\nHigh, difficult to apply<\/td>\nBalanced, superior<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              Case Studies and Emerging Applications of CNTs<\/strong><\/span><\/p>\n

                \n
              • Samsung<\/strong>: Applied CNT films in OLED and camera IC packaging \u2192 improved yield rates.<\/li>\n
              • TSMC<\/strong>: Integrated CNTs into wafer logistics \u2192 reduced ESD-related damage.<\/li>\n
              • Foxconn<\/strong>: Adopted CNT films for iPhone component packaging \u2192 fewer ESD defects, lower inspection costs.<\/li>\n
              • LG Innotek<\/strong>: Developed CNT + PET films for camera sensor protection.<\/li>\n
              • Intel<\/strong>: Applied CNT packaging for next-generation CPUs and GPUs.<\/li>\n<\/ul>\n

                Emerging applications of CNT ESD films<\/strong>:<\/span><\/p>\n

                  \n
                • Biopolymer packaging<\/strong> (PLA, PHA, PBAT) \u2192 eco-friendly solutions.<\/li>\n
                • Batteries and EVs<\/strong> \u2192 CNTs as conductive additives for separators and electrode coatings.<\/li>\n
                • Aerospace and automotive composites<\/strong> \u2192 CNT films with fiberglass\/carbon fiber for enhanced safety and durability.<\/li>\n<\/ul>\n

                  Single-Wall Carbon Nanotubes (SWCNTs)<\/strong>, especially TUBALL\u2122 by OCSiAl<\/strong>, represent a superior ESD protection solution compared to traditional technologies, thanks to ultra-low loading levels, high efficiency, long-term stability, and an excellent cost\u2013performance balance.<\/p>\n

                  Mercury Chemical Co., Ltd.<\/strong>, the official distributor of OCSiAl in Vietnam, is committed to delivering advanced SWCNT solutions, supporting enterprises in the electronics, logistics, and energy industries.<\/p>\n

                   <\/p>\n","protected":false},"excerpt":{"rendered":"

                  Importance and Challenges In the digital era, electronic components are becoming smaller, more integrated, and highly sensitive to electrostatic discharge (ESD). Even a few dozen volts of static electricity can damage ICs, transistors, MEMS sensors, or OLED displays at the nanometer scale. By contrast, a person walking on a nylon carpet can accumulate up to […]<\/p>\n","protected":false},"author":7,"featured_media":2239,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"footnotes":""},"categories":[43,42],"tags":[],"class_list":["post-2244","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-event","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/posts\/2244"}],"collection":[{"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/comments?post=2244"}],"version-history":[{"count":10,"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/posts\/2244\/revisions"}],"predecessor-version":[{"id":2260,"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/posts\/2244\/revisions\/2260"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/media\/2239"}],"wp:attachment":[{"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/media?parent=2244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/categories?post=2244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mercurychemical.com\/en\/wp-json\/wp\/v2\/tags?post=2244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}