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Lithography is:
  • a)
    Process used to transfer a pattern to a layer on the chip
  • b)
    Process used to develop an oxidation layer on the chip
  • c)
    Process used to develop a metal layer on the chip
  • d)
    Process used to produce the chip
Correct answer is option 'A'. Can you explain this answer?
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Lithography is:a)Process used to transfer a pattern to a layer on the ...
Lithography is the process used to develop a pattern to a layer on the chip.
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Lithography is:a)Process used to transfer a pattern to a layer on the ...
Lithography Process in Chip Manufacturing

Lithography is a critical process in the manufacturing of integrated circuits (ICs) or chips. It involves the transfer of a pattern or design onto a layer of material on the chip. The lithography process is accomplished using a photomask and a photosensitive material called photoresist.

The lithography process is composed of several steps:

1. Photomask preparation: The photomask contains the pattern that needs to be transferred onto the chip. The pattern is created using computer-aided design (CAD) software and then etched onto a glass or quartz plate.

2. Photoresist application: The photoresist is applied onto the chip surface. The photoresist is a light-sensitive material that changes its chemical properties when exposed to light.

3. Exposure: The photomask is placed over the photoresist-coated chip, and light is shone through the mask, transferring the pattern onto the photoresist.

4. Development: The exposed photoresist is dissolved using a chemical solution, leaving behind the pattern transferred onto the chip surface.

5. Etching: The pattern is then etched onto the chip surface, creating the desired circuit.

6. Cleaning: The chip is then cleaned to remove any residues or contaminants.

Conclusion

In summary, lithography is a process used to transfer a pattern onto a layer of material on the chip. It is a critical step in the manufacturing of integrated circuits. The lithography process involves photomask preparation, photoresist application, exposure, development, etching, and cleaning.
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Lithography is:a)Process used to transfer a pattern to a layer on the chipb)Process used to develop an oxidation layer on the chipc)Process used to develop a metal layer on the chipd)Process used to produce the chipCorrect answer is option 'A'. Can you explain this answer?
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