Hydrogen atom frequency standard storage bubble opening vacuum sealing device and vacuum sealing method

The invention discloses a hydrogen atom frequency standard storage bubble opening vacuum sealing device and a vacuum sealing method. The hydrogen atom frequency standard storage bubble opening vacuumsealing device comprises a copper nut which is arranged outside the upper part of a longitudinal tubular storage bubble opening in a sleeving mode, wherein a longitudinal tubular adhesive layer is arranged between the storage bubble opening and the copper nut, an annular waveform elastic pad, a first titanium ring, a polytetrafluoroethylene ring, a second titanium ring and an indium wire ring which are arranged outside the storage bubble opening in a sleeving mode are sequentially arranged below the copper nut, the lower end of the storage bubble opening is provided with an annular polytetrafluoroethylene cap, and a longitudinal tubular titanium connecting piece is correspondingly arranged outside the lower part of the copper nut, the waveform elastic pad, the first titanium ring, the polytetrafluoroethylene ring,