Recent questions tagged fabrication

Description : State any four materials used in fabrication of semiconductor device and describe its need.

Last Answer : For fabrication of semiconductor devices like transistors diode, solar cell etc. we have to make use of following types of materials  1. Substrate: o It is used for deposition of thin ... . o Metal cans and sealed glass containers satisfy the extreme requirements of space and military users.

Description : Explain fabrication using N-well process.

Last Answer : N-Well process: The N-well CMOS circuits are getting more popular because of the lower substrate bias effect on transistor threshold voltage and lower parasitic capacitances associated with source ... overall passivation layer is formed and the openings for accessing bonding pads are defined. 

Description : State any one process for wafer fabrication with diagram

Last Answer : Wafer Processing: The basis raw material used is a disk of silicon, which is between 75 mm to 150 mm in diameter and is less than 1mm thick used in semi-conductor plants. Wafers are cut ... Following slicing at least one face of the wafer is polished to flat scratch free mirror finish surface.

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