Author Topic: ~ Do you know how DVDs are Made? ~ (Read 2497 times)

MysteRy · « **on:** April 28, 2012, 11:16:25 PM »

Do you know how DVDs are Made?

After this tour over an optical medium factory in Kazakhstan you’ll have a perfectly clear idea how the DVDs we are so used to are produced.

MysteRy · « **Reply #1 on:** April 28, 2012, 11:17:32 PM »

The process is fully automatic, the main engineer keeps an eye on it.

MysteRy · « **Reply #2 on:** April 28, 2012, 11:19:06 PM »

Optical discs are made of polycarbonate that comes in large bags.

MysteRy · « **Reply #3 on:** April 28, 2012, 11:20:04 PM »

Here they are – future DVDs.

MysteRy · « **Reply #4 on:** April 28, 2012, 11:21:08 PM »

The granules first get into the drying machine.

MysteRy · « **Reply #5 on:** April 28, 2012, 11:22:12 PM »

And then get heated till they become liquid mass.

MysteRy · « **Reply #6 on:** April 28, 2012, 11:23:04 PM »

Which gets crammed into a press-form with a stamper inside.

MysteRy · « **Reply #7 on:** April 28, 2012, 11:24:15 PM »

Stamper or matrix is a metal plate with precise information. This one is a movie which will be on a DVD in a while.

MysteRy · « **Reply #8 on:** April 28, 2012, 11:25:04 PM »

Under the temperature of 250 degrees liquid polycarbonate gets shaped into a disc. And the info on the matrix gets imprinted on it.

MysteRy · « **Reply #9 on:** April 28, 2012, 11:26:16 PM »

MysteRy · « **Reply #10 on:** April 28, 2012, 11:27:26 PM »

Workpieces with information get into a cooling machine.

MysteRy · « **Reply #11 on:** April 28, 2012, 11:28:34 PM »

MysteRy · « **Reply #12 on:** April 28, 2012, 11:29:27 PM »

MysteRy · « **Reply #13 on:** April 28, 2012, 11:30:14 PM »

MysteRy · « **Reply #14 on:** April 28, 2012, 11:31:29 PM »

Then they get covered with reflecting surface so that laser ray could read the info.

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