Normal CD manufacturing procedure:
1. Laser to glass to engrave data
2. Glass galvanic (metalizing Nickel ) to make stamper
3. Stamper install to molding machine and make CD by polycarbonate
Signal loss (pit land deform) during metalizating Nickel on glass and molding process
Also polycarbonate light transmission and disking , making CD player not easy to read the data
Glass CD : direct laser to glass , no any loss
Also glass light transmission is excellent and absolutely flat
CD player is easy to read
Glass CD manufacturing procedure:
Only one step: direct laser to glass , almost no any loss
Also glass light transmission is excellent and absolutely flat
CD player is easy to read
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