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| 3dnand-case.md [2026/06/22 15:27] – [Total number of steps] gauthier.roussilhe.ext | 3dnand-case.md [2026/06/22 15:28] (current) – [Archetype recipe] gauthier.roussilhe.ext | ||
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| ## Archetype recipe | ## Archetype recipe | ||
| + | ### Total number of steps (front-end) | ||
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| + | The total number of process steps depends of the number of layers on the 3D NAND die. Each layer adds 6 process steps. | ||
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| + | The total number of process steps is defined by **(a.x+b)** | ||
| + | |||
| + | Where:< | ||
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| + | **a** is the number of steps per layer | ||
| + | |||
| + | **x** is the number of layers | ||
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| + | **b** is the number of fixed steps | ||
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| + | Here: <br> | ||
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| + | **a** = 6 | ||
| + | |||
| + | **x** = x | ||
| + | |||
| + | **b** = | ||
| x | x | ||
| ### Processes distribution | ### Processes distribution | ||