Getter devices with non-evaporated gettering material, for maintaining vacuum in electronic tubes
阅读：500发布：2020-11-30
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1. IN A GETTER DEVICE FOR MAINTAINING A VACUUM IN ELECTRONIC TUBES, THE COMBINATION COMPRISING A NON-EVAPORABLE GETTERING MEANS, SUPPORT MEANS FOR SAID GETTERING MEANS INCLUDING A FLAT PERFORATED METALLIC STRIP MEANS, SAID GETTERING MEANS INCLUDING A TABLOID OF COMPRESSED NON-EVAPORABLE GETTERING MATERIAL, SAID TABLOID HAVING A PERIPHERAL PORTION AND OPPOSITELY DISPOSED SURFACE PORTIONS SEPARATED THEREBY, SAID PERIPHERAL PORTION BEING FOMED INTEGRALLY WITH SAID PERFORATED METALLIC STRIP MEANS THROUGH AN INTERSTICE THEREOF, EACH OF SAID TABLOID SURFACE PORTIONS DEFINING A SURFACE AREA ON ONE SIDE OF SAID SUPPORT MEANS WHEREBY SAID TOBLOID IS EXPOSED TO GASES ON BOTH SIDES OF SAID SUPPORT MEANS.
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