Analysis of electrostatic environment and discharge models

Helerea, Elena; Moasa, Beatrice; Ciobanu, Anca

doi:10.1109/icate.2012.6403391

Cited by 2 publications

(2 citation statements)

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“…The first property is linked to the need for a low conductivity of material for limiting electric charge processes and transferring related and the second property is linked to the need for an increased conductivity to facilitate dissipation of electrical charges processes on the material [3]. In order to prevent the occurrence of electrostatic fields which produce and induce electric charges in materials [4,5], protective clothing and work surfaces should have electrostatic shielding properties [6]. ESD processes are dependent on temperature and humidity [5].…”

Section: Introductionmentioning

confidence: 99%

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ESD Knitted Fabrics from Conductive Yarns Used as Protective Garment for Electronic Industry

Ţelipan¹,

Moasa²,

Helerea³

et al. 2017

Textiles for Advanced Applications

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Nowadays, interest in protection against electrostatic discharge (ESD), regarded as an important issue, is still growing. ESD may lead to serious economic losses and can also be hazardous to humans. In zones where substances with low values of ignition energy occur, ESD may involve a high risk of fire or explosion. Protective clothing is used to reduce the risk of electrostatic discharge (ESD) in electronics industry as well as in explosive atmospheres. In the manufacturing process of electronic products, significant percentage-related failures due to ESD phenomena that occur on the production line, especially where they are not installed systems and rigorous protection rules, are still recorded. Protective clothing with antistatic properties is designed to prevent the transfer of electrical charge from human operator to electronic device during the manufacturing process. In this chapter, a study was conducted about the electrical parameters representative for the control of electrostatic discharges as well as the surface and volume resistivity by applying the current absorption-resorption method and parameters of charge decay using the standardized induction method on several knitted conductive fabrics with carbon yarn. Current absorption-resorption method is applied for the first time in research under antistatic and dissipative fabrics.

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Section: Introductionmentioning

confidence: 99%

“…In order to prevent the occurrence of electrostatic fields which produce and induce electric charges in materials [4,5], protective clothing and work surfaces should have electrostatic shielding properties [6]. ESD processes are dependent on temperature and humidity [5].…”

Section: Introductionmentioning

confidence: 99%

ESD Knitted Fabrics from Conductive Yarns Used as Protective Garment for Electronic Industry

Ţelipan¹,

Moasa²,

Helerea³

et al. 2017

Textiles for Advanced Applications

Self Cite

View full text Add to dashboard Cite

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Effect of Human Activities and Environmental Conditions on Electrostatic Charging

Talebzadeh

Moradian²,

Han

et al. 2016

IEEE Trans. Electromagn. Compat.

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The generation of electrostatic charge is considered for the cases of standing up from a chair and removing a garment at dew points with temperature and relative humidity (RH) of −13.1°C (5°C, RH 25%), −10°C (27°C, RH 8%), −8.9°C (18°C, RH 15%), −1.7°C (38°C, RH 8%), 5°C (27°C, RH 25%), 5.6°C (18°C, RH 45%), and 13.9°C (27°C, RH 45%). Using ESD mitigation shoes/floors rather than non-ESD can reduce the voltages by a factor of ∼2 to 5 for garment removal and ∼2 to 7 for standing up from a chair. For the garment removal, the charge voltage will drop to 100 V within ∼0.5 to 6 s and within ∼1 to 30 min when ESD and non-ESD mitigation shoes/floors are used, respectively. For the standing-up form a chair, the corresponding times are ∼0.5 to 3 s and ∼1 to 4 min, respectively. For the extreme case at 22°C, RH 5%, the voltage can surpass +/− 20 kV. Finally, it is shown that the voltages a person will charge up to may vary by +/− 30% just because of different capacitances to ground. Residential home settings will lead to the highest voltages (60 pF test person to ground, U.S. wood frame house), while standing on a concrete floor only half of the voltage may be reached (120 pF). Index Terms-Electrostatic charge, electrostatic discharge (ESD), environmental condition, ESD mitigation. 0018-9375

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Analysis of electrostatic environment and discharge models

Cited by 2 publications

References 20 publications

ESD Knitted Fabrics from Conductive Yarns Used as Protective Garment for Electronic Industry

ESD Knitted Fabrics from Conductive Yarns Used as Protective Garment for Electronic Industry

Effect of Human Activities and Environmental Conditions on Electrostatic Charging

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