4.3.5 Summary to: 4.3 Infrastructure

From 1 Mb to 64 Mb DRAM
Exercise 4.3-1
All Questions to 4.3
At the core of lithography are the steppers - optical machines for around 5 Mio € a piece  
Resist technology, too, is a highly developed part of lithography  
For some big problems simple solutions have been found. Example: reticles with pellicles

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© H. Föll (Semiconductor Technology - Script)