Question d’entretien chez Wolfspeed

Walk me through the lithography process

Réponse à la question d'entretien

Utilisateur anonyme

5 mars 2012

Here is a simplified version of the photolithography process. 1. Clean/prepare wafer 2. Apply photoresist 3. Align photomask 4. Expose to UV light 5. Remove photoresist that was exposed to UV light 6. Etch exposed wafer oxide 7. Remove remaining photoresist

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