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  ______     ___      ______   _    _     ______  
 /_   _//   / _ \\   /_   _// | || | ||  /_____// 
   | ||    / //\ \\    | ||   | || | ||  `____ `  
  _| ||   |  ___  ||  _| ||   | \\_/ ||  /___//   
 /__//    |_||  |_|| /__//     \____//   `__ `    
 `--`     `-`   `-`  `--`       `---`    /_//     
                                         `-`

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Text this: Lithography exposure characteristics of poly(methyl methacrylate) (PMMA) for carbon, helium and hydrogen ions