| We
      collaborate directly with the following companies | 
  
    | PHOTONIS | Development of X-HPD and technical contributions to PET-HPD. | 
  
    | SINTEF | Processing of
      Silicon sensors in double metallization technology | 
  
    | IDEAS | Development and
      fabrication of CMOS VLSI circuits (VA family) | 
  
    | SAES getters | Non evaporable
      getter (NEG) strips | 
  
    | Colibrys | Processing of
      Silicon sensors in double metallization technology | 
  
    | WATLOW | Special WATROD
      heating circuits | 
  
    | SVT | Fabrication of
      custom designed glass envelopes (5", 10") and base plates. 
    Company closed in 2006. | 
  
    | PHOTEK | Studies concerning the fabrication of
      envelopes in ceramic and Indium sealing of windows to tube body. |