| 11. | A "'sensitivity speck "'is a place in silver halide crystal where latent image is preferentially formed.
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| 12. | The latent image is subjected to photographic processing, which makes it visible and insensitive to light.
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| 13. | The sensitivity type largely reflects the site of very shallow electron traps that form latent images effectively.
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| 14. | The latent image can now be classified.
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| 15. | Another important way to increase photographic sensitivity is to reduce the threshold size of developable latent images.
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| 16. | Further generation of photoelectrons is necessary to grow this small speck to a larger, stable, latent image.
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| 17. | This " latent image " is then " developed " for example by rinsing with an appropriate solvent.
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| 18. | Depending on the silver halide crystal, the latent image may be formed inside or outside of the crystal.
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| 19. | LIRF is due to inefficiency of forming a latent image, and this reduces photographic speed but increases contrast.
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| 20. | However, in order to act as an effective latent image center, at least four silver atoms are necessary.
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