Integral semiconductor diode and diode-fuse unit

Claim 1

A SELF-PROTECTED SEMICONDUCTOR CURRENT CONTROL DEVICE COMPRISING A TUBULAR CASING OF AN ELECTRIC INSULATING MATERIAL, A PAIR OF METALLIC TERMINAL ELEMENTS CLOSING THE ENDS OF SAID CASING, A SEMICONDUCTOR RECTFIER DEVICE ARRANGED INSIDE SAID CASING, A FUSIBLE ELEMENT ADAPTED TO PROTECT SAID RECTIFIER DEVICE AGAINST EXCESSIVE CURRENTS ARRANGED INSIDE SAID CASING, CONDUCTOR MEANS ARRANGED INSIDE SAID CASING FOR SERIALLY CONNECTING SAID PAIR OF TERMINAL ELEMENTS, SAID SEMICONDUCTOR RECTIFIER DEVICE AND SAID FUSIBLE ELEMENT INTO AN ELECTRIC CIRCUIT, AND A PULVERULENT QUARTZ FILLER INSIDE SAID CASING IN PHYSICAL CONTACT WITH SAID SEMICONDUCTOR RECTIFIER DEVICE AND IN PHYSICAL CONTACT WITH SAID FUSIBLE ELEMENT, SAID QUARTZ FILLER BEING ADAPTED TO PERFORM THE DUAL FUNCTION OF AN EFFECTIVE ABSORBER AND DISSIPATOR OF HEAT GENERATED IN SAID SEMICONDUCTOR RECTIFIER DEVICE WHILE PERFORMING THE CURRENT CARRYING DUTY THEREOF AND BEING ADAPTED TO FORM AN EFFECTIVE DE-IONIZER FOR THE PRODUCTS OF ARCING FORMED INCIDENT TO FUSION OF THE FUSIBLE ELEMENT.