| PMMA |
Old-fashioned hard contact lenses were made of PMMA, (polymethyl methacrylate) and non-oxygen permeable. Now rigid (Rigid Gas Permeable) lenses contain other polymers that allow oxygen to reach the eye
출처: www.contamac.com/db/display/glossary
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| PMMA |
PolyMethylMethAcrylate (also known as Acrylic), a thermo-plastic material considered for CDs but is rather brittle and the Aluminium layer does not adhere well to its surface.
출처: www.multimediadirector.com/help/technology/glossar...
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| PMMA |
Polymethylmethacrylate resist commonly used in MEMS characterization.
출처: www.eet.com/reshaping/microstructures/OEG20020912S...
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