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Find the area of artwork done for a monolithic chip of area 30mil × 30mil.

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in Linear Integrated Circuits by (37.1k points)
Find the area of artwork done for a monolithic chip of area 30mil × 30mil.

(a) 16 cm × 16 cm

(b) 60 cm × 60 cm

(c) 12 cm × 12 cm

(d) 36 cm × 36 cm

I had been asked this question during an online interview.

My doubt stems from Basic Planar Process topic in division IC Fabrication of Linear Integrated Circuits

1 Answer

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by (39.8k points)
The correct answer is (d) 36 cm × 36 cm

Check out the details: Drawings are magnified by a factor 500.

=> 1mil = 25µm

Therefore, 500mil = 1.2cm.

In an area of 30mil × 30mil, the area for artwork required = 30mil × 1.2cm = 36cm × 36cm.

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