Kodak's two-electron sensitization technology (in comparison with Kodak's T Grain technology wherein single incident photon striking a T Grain produces one electron):

Kodak's patented two-electron sensitization technology: This technology involves a fragment-able electron-donor compound designed to work with the sensitizing dyes to create the potential for two electrons from a single incident photon. Doubling the number electrons enhances the speed performance of the film and contributes to the stabilization of the latent image. The result is more detail in low-light scenes and extended depth of field.