A biometric sensor apparatus and method are disclosed, which may comprise a flexible substrate comprising a first side surface and a second side surface opposing the first side surface; a biometric sensor portion comprising biometric image sensing elements formed on the second side surface forming at least part of a biometric sensor array sensing capacitively induced changes induced by a biometric in the vicinity of the biometric image sensing elements; a biometric sensor controller integrated circuit mounted to the flexible substrate on one of the first side surface and the second side surface of the flexible substrate; an edge surface of the flexible substrate including at least one conductively plated perforation in the flexible substrate; and an electro-static discharge element formed on or as part of the flexible substrate and electrically connected to the at least one conductively plated perforation.