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Mask Designer Interview Questions

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34 mask designer interview questions shared by candidates

Basic questions regarding my background, experiences, and motivations. Basic technical questions relating to semiconductors, mask design, and RC circuits. Questions relating to MOSFET operation. Draw the voltage transfer curve of an inverter. Explain latchup in semiconductors. Given a sketch of Vin, sketch Vout of an RC circuit as R increases. Asked to identify a digital circuit from a given layout/mask design (it was a NAND gate). Asked how I would go about improving the performance of the provided layout. Asked to identify potential issues in the provided layout.
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Mask Design & Tapeout Solutions Engineer

Interviewed at Micron Technology

3.9★
May 23, 2022

Basic questions regarding my background, experiences, and motivations. Basic technical questions relating to semiconductors, mask design, and RC circuits. Questions relating to MOSFET operation. Draw the voltage transfer curve of an inverter. Explain latchup in semiconductors. Given a sketch of Vin, sketch Vout of an RC circuit as R increases. Asked to identify a digital circuit from a given layout/mask design (it was a NAND gate). Asked how I would go about improving the performance of the provided layout. Asked to identify potential issues in the provided layout.

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