Method for making digital versatile discs
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 26, 2000
Grant Date -
N/A
app pub date -
Mar 30, 1999
filing date -
Aug 26, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for making a digital versatile disc (DVD) includes providing top and bottom substrates, each of the top and bottom substrates being disc-shaped and having a pitted surface. A reflective layer is formed over the pitted surface of the top substrate and a semireflective layer is formed over the pitted surface of the bottom substrate. A wetting promoter is applied over the reflective layer of the top substrate and, if desired, over the semireflective layer of the bottom substrate. The top and bottom substrates are bonded together with an adhesive material using a simple drop technique to form a DVD. The wetting promoter enhances wetting of the adhesive material on the bonded surfaces of the substrates.
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