How Do You Calculate Sheet Resistance of a Copper Layer in an IC?

  • Thread starter Thread starter sup17
  • Start date Start date
  • Tags Tags
    Resistance
Click For Summary

Homework Help Overview

The discussion revolves around calculating the sheet resistance of a copper layer used in integrated circuits (ICs). The problem specifies the thickness of the copper layer and its resistivity, and participants are tasked with determining the sheet resistance at a given temperature.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants express uncertainty about the equations needed for calculating sheet resistance. Some seek clarification on the basic principles and equations related to resistance.

Discussion Status

The discussion includes attempts to clarify the problem statement and the necessary equations. Some participants have provided foundational equations related to resistance, while others are still exploring how to apply these concepts specifically to sheet resistance.

Contextual Notes

There are mentions of typos in the original post, and participants are encouraged to include units for clarity. The temperature at which the sheet resistance is to be calculated is also noted.

sup17
Messages
3
Reaction score
0

Homework Statement


he thickness of a copper layer, deposited to create the interconnecting tracks in an IC is 100 nm. Copper resistivity: 1.7 at 0.0039 degrees C^(-1)
What is the sheet resistance of the copper layer at 27 C?

Homework Equations


The Attempt at a Solution


I don't know what equations to use to calculate the sheet resistance. Can I get some assistance in what equation to use?
 
Last edited:
Physics news on Phys.org
sup17 said:

Homework Statement


he thickness of a copper layer, deposited to create the interconnecting tracks in an IC is 100 nm. Copper resistivity: 1.7 at 0.0039 degrees C^(-1)
What is the sheet resistance of the copper layer at 27 C?


Homework Equations





The Attempt at a Solution


I don't know what equations to use to calculate the sheet resistance. Can I get some assistance in what equation to use?

Please re-post the question -- there appear to be typos in the post. Also include units for each quantity.

The basic equation for resistance is

[tex]R = \rho \frac{L}{A}[/tex]

Are you familiar with that equation?
 
Thanks! That really helps.
 

Similar threads

  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 1 ·
Replies
1
Views
1K
Replies
5
Views
3K
Replies
6
Views
2K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 8 ·
Replies
8
Views
3K
Replies
5
Views
5K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 6 ·
Replies
6
Views
3K
Replies
4
Views
5K