Mass spectrometer leak detecting device in combination with a gettering chamber

Claim 1

THE COMBINATION OF A CHAMBERED OBJECT TO BE TESTED FOR LEAKS, PUMPS EVACUATING SAID OBJECT, A GETTERING CHAMBER CONNECTED TO SAID CHAMBERED OBJECT, SAID GETTERING CHAMBER HAVING A TITANIUM-COATED WALL TO REMOVE OBJECTIONAL RESIDUAL BACKGROUND GASES, A SPRAYER SPRAYING AN INERT GAS OF EXTREMELY LOW CONCENTRATION SUCH AS HELIUM GAS AT THE OUTER FACE OF THE CHAMBERED OBJECT TO BE TESTED, THE CHAMBERED OBJECT AND GETTERING CHAMBER SUCCESSIVELY RECEIVING THE HELIUM GAS THAT PASSES INTO THE CHAMBERED OBJECT THROUGH A LEAK, THE GETTERING CHAMBER ELIMINATING MOST OF THE GASES ACCOMPANYING THE HELIUM GAS TO FORM A GAS MIXTURE MAINLY COMPOSED OF THE HELIUM GAS BEING SPRAYED BY SAID SPRAYER, A MASS SPECTROMETER TYPE TUBE CONNECTED TO SAID GETTERING CHAMBER AND RECEIVING SAID GAS MIXTURE, SAID MASS SPECTROMETER TYPE TUBE COMPRISING ON ION PRODUCING SOURCE WITH AN ELECTRON BEAM-PRODUCING SOURCE THROUGH WHICH SAID GAS MIXTURE PASSES TO FORM IONS, SAID MASS SPECTROMETER TYPE TUBE FURTHER COMPRISING IN SUCCESSION MEANS TO PRODUCE A MAGNETIC FIELD, A