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Closely spaced lines are etched into a silicon wafer, and an optical scanner is used to count the lines. When the wafer is unloaded, the scanner measures 9512 lines within a 1 mm length. While the same wafer is subject to an axial loading acting perpendicular to the lines, the scanner measures 9525 lines within a 1 mm length. Determine the magnitude of the strain and whether it is tensile or compressive.

Closely spaced lines are etched into a silicon wafer, and an optical scanner is used to count the lines. When the wafer is unloaded, the scanner measures 9512 lines within a 1 mm length. While the same wafer is subject to an axial loading acting perpendicular to the lines, the scanner measures 9525 lines within a 1 mm length. Determine the magnitude of the strain and whether it is tensile or compressive.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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2.25 Closely spaced lines are etched into a silicon wafer, and an optical scanner is used to count the lines. When the wafer is unloaded, the scanner measures 9512 lines within a 1 mm length. While the same wafer is subject to an axial loading acting perpendicular to the lines, the scanner measures 9525 lines within a 1 mm length. Determine the magnitude of the strain and whether it is tensile or compressive. Prob. 2.25
Transcribed Image Text:2.25 Closely spaced lines are etched into a silicon wafer, and an optical scanner is used to count the lines. When the wafer is unloaded, the scanner measures 9512 lines within a 1 mm length. While the same wafer is subject to an axial loading acting perpendicular to the lines, the scanner measures 9525 lines within a 1 mm length. Determine the magnitude of the strain and whether it is tensile or compressive. Prob. 2.25
Expert Solution
Step 1

Given data:

In unloaded condition, there are 9512 lines within a 1 mm length.

Under loaded condition, there are 9525 lines within a 1 mm length.

We have to determine the magnitude of the strain and whether the strain is tensile or compressive in nature.

 

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