Cover layer technology for the high-numerical-aperture digital video recording system

被引：21

作者：

Decré, MMJ ^{[1
]}

Vromans, PHGM ^{[1
]}

机构：

[1] Philips Opt Disc Technol Ctr, NL-5616 LD Eindhoven, Netherlands

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2000年 / 39卷 / 2B期

关键词：

spin coating; thin cover layer; sheet bonding; high numerical aperture; digital video recording;

D O I：

10.1143/JJAP.39.775

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

It is experimentally demonstrated that two techniques allow the manufacture of a 100-mu m-thick cover layer within the requirements of the digital video recording system, that uses a high numerical aperture of 0.85 at 650nm wavelength. The first technique uses spin-coating of an ultraviolet curable resin and the second is the ultraviolet bonding of a 100-mu m-thick polycarbonate sheet. Both techniques guarantee thickness variations within +/- 3 mu m, and display disc radial and tangential tilts within sufficient margins.

引用

页码：775 / 778

页数：4

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