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Laser burn with DVD Writer

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Far as I know in the market with high-powered lasers are sold in this application DVD burner laser a plastic piece on the burning writing used in any circuit does not need only laser + end 5w 50 or 100 ohms between the resistor is connected. Author burning from 5 inches away doing your job, but if I remember correctly from the bubble burst, there were those longer distances :)

Laser burn with DVD Writer dvd laser burn

Laser burn with DVD Writer laser schema

Source: http://www.smety.webz.cz/laser.html

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