Apparatus and method for PCB smoke and burn detection and prevention
First Claim
1. A method for at least one of detecting and preventing burning of a PCB, the method comprising:
- configuring a first comb array defined by a plurality of first fingers at a first potential;
configuring a second comb array defined by a plurality of second fingers at a second potential different from said first potential;
interlacing said plurality of first fingers defining said first comb array with said plurality of second fingers defining said second comb array embedded in a substrate;
disposing said substrate with the PCB; and
detecting a rise in leakage current between said first and second comb arrays indicative of a breakdown of said substrate,wherein said interlacing of said first and second comb arrays is coplanar and includes a layer of epoxy and fiberglass above and below a sensing element defined by said first and second comb arrays arranged in a sensing plane.
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Abstract
An apparatus and method for at least one of detecting and preventing burning of a PCB is disclosed. The method includes configuring a first comb array defined by a plurality of first fingers at a first potential; configuring a second comb array defined by a plurality of second fingers at a second potential different from the first potential; interlacing the plurality of first fingers defining the first comb array with the plurality of second fingers defining the second comb array embedded in a substrate; disposing the substrate with the PCB; and detecting a rise in leakage current between the first and second comb arrays indicative of a breakdown of the substrate.
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Citations
17 Claims
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1. A method for at least one of detecting and preventing burning of a PCB, the method comprising:
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configuring a first comb array defined by a plurality of first fingers at a first potential; configuring a second comb array defined by a plurality of second fingers at a second potential different from said first potential; interlacing said plurality of first fingers defining said first comb array with said plurality of second fingers defining said second comb array embedded in a substrate; disposing said substrate with the PCB; and detecting a rise in leakage current between said first and second comb arrays indicative of a breakdown of said substrate, wherein said interlacing of said first and second comb arrays is coplanar and includes a layer of epoxy and fiberglass above and below a sensing element defined by said first and second comb arrays arranged in a sensing plane. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for at least one of detecting and preventing burning of a PCB, the method comprising:
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configuring a first comb array defined by a plurality of first fingers at a first potential; configuring a second comb array defined by a plurality of second fingers at a second potential different from said first potential; interlacing said plurality of first fingers defining said first comb array with said plurality of second fingers defining said second comb array embedded in a substrate; disposing said substrate with the PCB; and detecting a rise in leakage current between said first and second comb arrays indicative of a breakdown of said substrate, wherein contiguous pairs of each interlaced first and second fingers have one of a BGA and a LGA conductive pad therebetween, each column of said one of the BGA and the LGA pads includes two separate branch traces at different potentials, each branch trace including a plurality of one of said first and second fingers extending therefrom.
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9. An apparatus for at least one of detecting and preventing burning of a PCB comprising:
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a first comb array defined by a plurality of first fingers at a first potential; a second comb array defined by a plurality of second fingers at a second potential different from said first potential, said plurality of first fingers defining said first comb array interlaced with said plurality of second fingers defining said second comb array embedded in a substrate; a PCB disposed with said substrate to detect a rise in leakage current between said first and second comb arrays indicative of a breakdown of said substrate, wherein said first comb array is interlaced with said second comb array is coplanar and includes a layer of epoxy and fiberglass above and below a sensing element defined by said first and second comb arrays arranged in a sensing plane. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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Specification