[ { text: 'B1',
    nodes:
     [ { text: 'FEOL',
         nodes:
          [ { text: 'SPUTTER',
              nodes: [ { text: '0015', location: 'B1-FEOL-SPUTTER-0015' } ] },
            { text: 'COATING' },
            { text: 'EXPOSING' },
            { text: 'DEVELOP' },
            { text: 'PLATING' },
            { text: 'BOND' } ] },
       { text: 'BEOL',
         nodes:
          [ { text: 'GRINDING' },
            { text: 'BALLDROP' },
            { text: 'PROBING' },
            { text: 'BACKCOATING' },
            { text: 'MARKING' },
            { text: 'SORTING' },
            { text: 'TUG' } ] } ] },
  { text: 'B2',
    nodes:
     [ { text: 'FEOL',
         nodes:
          [ { text: 'SPUTTER' },
            { text: 'COATING' },
            { text: 'EXPOSING' },
            { text: 'DEVELOP' },
            { text: 'PLATING' },
            { text: 'BOND' } ] },
       { text: 'BEOL',
         nodes:
          [ { text: 'GRINDING' },
            { text: 'BALLDROP' },
            { text: 'PROBING' },
            { text: 'BACKCOATING' },
            { text: 'MARKING' },
            { text: 'SORTING' },
            { text: 'TUG' } ] } ] } ]