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How Small Can Memory Go? Scaling DRAM at the Angstrom Level (Semi 101 Video)
Progression of 8F squared to 6F squared to 4F squared memory cell architectures
Feb 13, 2026
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The Semi 101 series is a beginner’s guide to understanding microchips and the semiconductor industry—from components to processes to players and everything in between.    

As the demand for higher performance and lower costs in computing continues to rise, the companies that manufacture DRAM are challenged to scale memory technology by fitting more DRAM cells into ever-smaller spaces while reducing the cost per bit.  

In this Semi 101 video, we explain how DRAM works and the intricate process of DRAM scaling. Lam’s deposition and etch tool innovations help make it all possible. 

Bonus: If you’ve ever wanted a clear explanation the difference between 8F2 to 6F2 to 4Fmemory cell architectures—and where 3D comes in—then this is the video for you.  

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