Improved Facial Anti-virus Mask

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Facial protective masks are shown to be the "front-line" in  controlling the spread of the COVID 19 virus. However, they have characteristics that can be enhanced by simple technical modifications.

Masks work by 1) mechanical submicron filtering of virus aerosols and 2) electrostatic bonding of virus aerosols to electrostatically charged mask material.

However, mechanical filtering is limited by restricted airflow proportional to weave tightness, and electrostatic filtering is degraded by conductive moisture generated by lung exhalation of H2O which is deposited on electrostatic mask material.

A solution to these limitations involves the addition of additional layers to the mask consisting of common loose-weave copper ribbon cloth, separated by self-charging insulating filters as used in heating vents, etc. The copper cloth is connected to an external battery to establish a stable charge potential under varying usage gradations of moisture and contaminants. Air restriction is not significantly increased by the addition of these layers, and electron activity between active copper ions and biological structures contacting the copper by vector or electrostatic collision will disrupt the virus efficacy by dismantling the viral molecular bonds. Key to the design is the use of external battery (or boost-circuit) voltage to increase and stabilize charge-potential between the copper cloth 'plates' through which biological material must pass. The filtering/capturing effect is symmetrical for virus-bearing aerosols passing in either direction.

All materials are commonly available for manufacturing.


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  • Name:
    Jim Limber
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    Necessity, simplicity, humanity
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