A question about photolithography (optical lithography)?

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Discussion Overview

The discussion revolves around the exposure methods used in photolithography, a process integral to semiconductor manufacturing and circuit board creation. Participants explore the complexity of the topic and seek to clarify the specific methods involved.

Discussion Character

  • Exploratory, Conceptual clarification, Homework-related

Main Points Raised

  • One participant inquires about the exposure methods used in photolithography, suggesting there are three but expressing uncertainty.
  • Another participant requests the original poster to share their findings to facilitate a more informed discussion.
  • A participant questions whether the inquiry is related to schoolwork, offering to move the thread to a more appropriate forum if so.
  • It is noted that the topic is broad, encompassing various applications from DIY circuit boards to advanced semiconductor manufacturing, which complicates the discussion.
  • One participant mentions that while they can identify three methods, they believe there are more, questioning the criteria for distinguishing between them.
  • Another participant highlights the importance of understanding the original poster's educational background to tailor the discussion effectively.
  • A profile link is provided, indicating that the original poster is pursuing a Master's degree in Nanotechnology, suggesting the question may indeed be for academic purposes.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the number of exposure methods in photolithography, and the discussion remains open-ended with multiple perspectives on the complexity of the topic.

Contextual Notes

The discussion lacks specific definitions of the exposure methods and does not clarify the criteria for categorizing them, leaving some assumptions unaddressed.

Who May Find This Useful

Individuals interested in photolithography, semiconductor manufacturing, or those engaged in academic studies related to nanotechnology may find this discussion relevant.

Hananism
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I want to know what are the exposure methods that are used in photolithography?
I've heard there are three, but not sure about them ..
Thanks
 
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Welcome to PF.

Please show us what you have found so far (including links to your reading). That will help us to help you find the information you are looking for.
 
Also, is this question for schoolwork? If so, I can move your thread to the schoolwork forums for you.
 
This is a really broad subject. Ranging from making your own circuit boards in your garage to the highest technology semiconductor manufacturing, which pushes the limits of experimental physics. So it may help to focus on what sort of applications you are interested in. Your question is only slightly less complicated to me than "explain chemistry". We also don't know your educational background, which we can (sort of) tell from a more specific question.

I can think of 3 methods easily, but I know there are more. That sounds like a pretty arbitrary distinction, why doesn't a 4th method count?

Anyway, as @berkeman said, start by searching online and reading a bit and ask us to explain the parts you don't understand.
 
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DaveE said:
We also don't know your educational background, which we can (sort of) tell from a more specific question.
His Profile, About page says he is working on his Master's degree in Nanotechnology:

https://www.physicsforums.com/members/hananism.696127/#about

(so this is indeed likely to be a schoolwork question)...
 

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