• G.V.Serdobintsev, O.V.Anchugov, K.N.Chernov, I.N.Churkin, A.V.Filiptchenko, A.S.Medvedko, G.N.Ostreiko, S.I.Ruvinsky, S.V.Sinjatkin, A.G.Steshov, S.V.Tararyshkin, V.A.Ushakov, V.D.Yudin
  Budker Institute of Nuclear Physics, Novosibirsk, Russia

• I.Yu.Boiko, N.N.Grachev, V.P.Khramtsov, N.V.Spinko
  Lukin State Research Institute for Problems in Physics, Zelenograd, Russia

• A.M.Dolgov, O.E.Kildisheva
  RIPR, St. Peterburg, Russia

• V.N.Korchuganov, Yu.V.Krylov, D.G.Odintsov, A.G.Valentinov, Yu.L.Yupinov
  Kurchatov Institute, Moscow, Russia

TNK facility (F.V. Lukin Institute, Zelenograd) was designed and manufactured at Budker INP. It includes 80 MeV electron linear accelerator-injector and two electron storage rings: the main ring for energy of 2.5 GeV and booster ring for energy of 450 MeV. The paper presents the functional layout of the linear accelerator. The disk-and-washer 2.8 GHz accelerating structure is described. Results of the accelerator startup is presented. In December 2005, accelerated electron current of ~50 mA with energy of ~50-60 MeV was obtained; the beam was captured into the booster ring.

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