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What does "65nm" actually mean?

post #1 of 25
Thread Starter 
Quick question for you guys; what does the "65nm" refer to when we say that a chip is made on the 65nm process? Is that the thickness of the original Silicon wafer from which the chip is cut? THX
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post #2 of 25
65nm = 0.000000065 meters so thats how thick the on die chip is, i think hope this helps
    
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post #3 of 25
This is what it means.

Quote:
The 65 nanometer (65 nm) process is the next milestone as of 2005 in semiconductor manufacturing and fabrication. The term 65 nm denotes the width of the smallest circuit wires on the semiconductor (for reference, the [[HIV|Human Immunodeficiency Virus [HIV]]] is around 120 nm in diameter, a human red blood cell typically 6000-8000 nm in diameter, and a human hair typically 80000 nm in diameter). Companies currently pursuing 65nm fabrication include AMD (collaborating with IBM) and Intel.
Source: http://www.google.com/search?hl=en&l...ition&ct=title
post #4 of 25
It means something like the smallest circuit is 65 nano meters.
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post #5 of 25
lol awsome... i thought it ment like um it took 65 nano minutes to do a certain process thx now i know
    
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post #6 of 25
Thread Starter 
wrong and wrong. You all get F's. I thought overclock.net would surely come through for me! Check out wikipedia:

Quote:
Originally Posted by wikipedia
65 nanometer refers to the wavelength of the light source used to cure the photoresistive coating on silicon wafers.
here is the link:
http://en.wikipedia.org/wiki/65_nm
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post #7 of 25
Wow I thought it meant the physical size of the die was smaller (which it does) since the spacing in between the transistors was smaller. A 65nm CPU would have 65nanometres of spacing between the transistors.
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post #8 of 25
Quote:
Originally Posted by jbescup
wrong and wrong. You all get F's. I thought overclock.net would surely come through for me! Check out wikipedia:
here is the link:
http://en.wikipedia.org/wiki/65_nm
Therefore, given that that the size of the transistors on a chip are determined by the wavelength of the etching process, we can infer that the width of the transistors is 65nm.

But hey, as long as it offers better performance, lower price, or higher overclocking, does it really matter.
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post #9 of 25
Thread Starter 
Quote:
Originally Posted by Sun
Therefore, given that that the size of the transistors on a chip are determined by the wavelength of the etching process, we can infer that the width of the transistors is 65nm.
arg, read the article! It's, like, 4 paragraphs or something.

Quote:
Originally Posted by wikipedia
Minimum feature sizes can reach as low as 35nm on a "65nm" process.
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post #10 of 25
I believe 65nm actually refers to the gate length or width.
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