VCN cleaning is effective in reaching into the smallest
pores and cavities.

1. Physical selectivity – Imperfections serve as nucleation sites
   
   
2. Chemical selectivity – Cleaning solution targets specific materials
   
   • Proper fluid selection
   
   • Activation pre-treatment
   • Passivation pre-treatment
     
     
3. Vacuum environment is isopiestic – all surfaces, including blind spots and tight offsets, are treated equally.

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