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Patent Searching and Data


Title:
光学用フィルムおよびその製造方法
Document Type and Number:
Japanese Patent JP3531835
Kind Code:
B2
Abstract:
An aromatic polycarbonate film having excellent transparency and surface smoothness as well as good lubricity useful for optical use through solving the problems of defects such as scratches, wrinkles or abrasions in the production processes and processing processes of the aromatic polycarbonate film for optical use, by specified quality about the concavo-convex forms on both the surfaces of the aromatic polycarbonate film, and by employing specific drying conditions in the drying processes after casting from a solution in a solution-casting film-making method of an aromatic polycarbonate solution.

Inventors:
名越 民明
細井 正広
Application Number:
JP50414599A
Publication Date:
May 31, 2004
Filing Date:
June 18, 1998
Export Citation:
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Assignee:
帝人化成株式会社
International Classes:
G06F12/00; B29C39/14; B29D7/01; C08J5/18; G06F13/00; G02F1/1333; (IPC1-7): B29C41/24; B29C55/06; C08J5/18
Attorney, Agent or Firm:
三原 秀子