VISUALLY DETECTING ELECTROSTATIC DISCHARGE EVENTS
First Claim
Patent Images
1. A method comprising:
- providing an electrostatic discharge (ESD) indicator on a surface of a structure, the ESD indicator comprising an electric field sensitive material configured to undergo a specific color change in response to an electric field and return back to its original color after a predetermined time period, the specific color change indicating a location, field strength, direction, and duration of an ESD event;
visually detecting an exposure of the structure to the ESD event via the specific color change of the ESD indicator between two or more different colors; and
quantifying a severity of the ESD event based on a color resulting from the specific color change,wherein the electric field sensitive material comprises an electrochromistic material.
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Abstract
Methods and structures provide an electrostatic discharge (ESD) indicator including an electric field sensitive material configured to undergo a specific color change in response to an electric field. An exposure of the structure to an ESD can be visually determined via the specific color change of the ESD indicator.
7 Citations
19 Claims
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1. A method comprising:
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providing an electrostatic discharge (ESD) indicator on a surface of a structure, the ESD indicator comprising an electric field sensitive material configured to undergo a specific color change in response to an electric field and return back to its original color after a predetermined time period, the specific color change indicating a location, field strength, direction, and duration of an ESD event; visually detecting an exposure of the structure to the ESD event via the specific color change of the ESD indicator between two or more different colors; and quantifying a severity of the ESD event based on a color resulting from the specific color change, wherein the electric field sensitive material comprises an electrochromistic material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A structure comprising:
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an object; and an electrostatic discharge (ESD) indicator comprised of an electric field sensitive material, wherein; the ESD indicator is a coating attached to a surface of the object; the ESD indicator is configured to change into one of a plurality of predetermined colors corresponding, respectively, to a plurality of predetermined electric field strength ranges; and the electric field sensitive material is composed of one of;
(i) a single electrochromistic material configured to vary between multiple different colors corresponding to the plurality of predetermined electric field strength ranges; and
(ii) multiple variations of an electrochromistic material where each variation is tuned to produce a different color corresponding to the plurality of predetermined electric field strength ranges. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification