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MFDigital CD DVD Information Library
Tuesday, June 15, 2004
 
CD Manufacturing - CD Glass Mastering
CD Glass Mastering

Glass Master Preparation
ready for laser beam recording
Laser Beam Recording
from the source CD or tape
Development & Metalisation
ready for electroforming
Electroforming
making the stampers from the glass master
Stamper Finishing
polishing and punching the stamper

Mastering of CDs and CD-ROMs is a complex process needed to create a stamper (used to mould the CDs) from the premastered data. The processes are carried out in a class 1,000 clean room. Operators wear special clothing including face masks and footwear to minimise any particles.



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