Jet perforating gun

Claim 1

A PERFORATING GUN CIRCUIT HAVING A POWER SOURCE AND INCLUDING; TWO DIODES ARRANGED IN OPPOSITE POLARITY, EACH SAID DIODE HAVING ONE END CONNECTED TO A COMMON TERMINAL LEADING TO A POWER SOURCE, WITH EACH OF THE OTHER REMAINING ENDS CONNECTED TO TWO PARALLEL CIRCUIT LEGS, EACH CIRCUIT LEG INCLUDING SERIES CONNECTED RESISTORS, ONE OF SAID LEGS HAVING AN ELECTRICALLY FIRED CHARGE CONNECTED BETWEEN ONE OF SAID DIODES AND A FIRST SERIES RESISTOR, AND AN ELECTRICALLY FIRED CHARGE CONNECTED BETWEEN EACH REMAINING SERIES RELATED RESISTORS, THE REMAINING SAID CIRCUIT LEG HAVING A MULTIPLICITY OF SERIES CONNECTED RESISTORS, ELECTRICALLY FIRED CHARGES EACH CONNECTED BETWEEN EACH RESISTOR IN SAID SECOND LEG WITH THE LAST CHARGE BEING CONNECTED DIRECTLY TO GROUND, EACH CHARGE IN EACH LEG BEING ALTERNATELY ARRANGED IN INDIVIDUAL CHARGE CARRIERS WITH THE SAID GROUNDED CHARGE BEING THE LAST CHARGE OF THE SERIES AND THE FIRST CHARGE TO BE DETONATED, AND THE FIRST NAMED CHARGE IN THE FIRST NAMED LEG BEING THE LAST CHARGE TO BE DETONATED, AND SWITCH MEANS ELECTRICALLY CONNECTED TO EACH SAID ELECTRICALLY FIRED CHARGE TO PROVIDE A RETURN CIRCUIT PATH BETWEEN THE POWER SOURCE AND THE ELECTRICALLY FIRED CHARGE UPON THE SELECTIVE SEQUENTIAL FIRING OF AN ADJACENT CHARGE CARRIER.