Patent ID: 7322292

Claim:
A squib for connecting to a bus, the squib being able to be selectively operated by electrical energy and electrical signals supplied from a control apparatus, and a plurality of the squibs being connected via a common bus wire to the control apparatus, the squib comprising: a communication/ignition unit that is provided with a communication/ignition circuit that is electrically connected to the bus wire; and an explosive unit having a connecting unit in which the communication/ignition unit is disposed, wherein: the explosive unit is provided with an explosive, an ignition element, and a header that is interposed between the ignition element and the communication/ignition circuit; said header is provided with a main body formed of an electrically conductive material; and the main body exclusively electrically connects the ignition element and the communication/ignition circuit, the squib further comprising: an integrated circuit substrate on which the communication/ignition circuit is provided; and electrical contacts projecting from an end of the integrated circuit substrate and which engage the header without extending though the header.