This paper introduce about the,”Thermal nanoimprint of roll to roll technology for DVD (t = 0 6 mm) media realized fast 8 discs/s process and a new platen film"
Nanoimprint process with stamper cooling method resolved the film shrinkage issue. The speed is as fast as 1 s and the film thickness is75 m. Dual layer Blu-Ray based disk of injection mold (t = 11 mm) L0 layer and nanoimprinted (t = 75 m) L1 layer shows signal jitter around 6.0% high quality characteristics . Blu-ray is the
next generation optical disc format for high definition video and high density data
storage, the drive and media form factor is identical to the CD/DVD formats. The Blu-ray
standard was jointly developed by a group of consumer electronics and PC companies, the Blu-ray Disc Association. Compared to the DVD format the Blu-ray Disc has a 5 times higher density perrecording layer. For the initial product release 2 layers are included.
4 and 8 layer versions which equals a max. medium capacity of200GB are planned.
The Bluray consortium is an open industrial consortium. And also this paper explains advantages of BD and why we need this kind of DISKS .
Index Terms—Blu-Ray disc, DVD, nanoimprint, polycarbonate.
NANOIMPRINT lithography (NIL) recently has shown remarkable progress, around 10 nm imprint feature size and 400 Gb/in pit density capability on the coupon size substrate –. Optical data storage disc capacity is increasing from CD (650 MB) to DVD (4.7 GB) and Blu-Ray disc (BD) (50 GB).The mark size becomes smaller and smaller as 149 nm for BD, nanostructure range. Now dual-layer BD, HD-DVD, and FVD are competing to be the third-generation optical disc. Roll to roll thermal film nanoimprinting has realized 0.6 mm polycarbonate substrate of DVD optical disc media ,...