Title:
METHOD FOR MANUFACTURING OPTICAL FILM
Document Type and Number:
WIPO Patent Application WO/2020/166257
Kind Code:
A1
Abstract:
Provided is a method for manufacturing an optical film, the method being capable of suppressing occurrence of an unnecessary recess at an end section even while using an end mill. This method for manufacturing a cut optical film includes: forming a workpiece by laminating a plurality of sheets of optical films; and cutting the workpiece by means of the end mill. This method includes: causing the end mill to come into contact with the workpiece when starting the cutting while causing the end mill to travel from a direction inclined with respect to the workpiece when viewed in a plan view; or causing the end mill to be separated from the workpiece when completing the cutting while causing the end mill to travel in a direction inclined with respect to the workpiece when viewed in a plan view.
Inventors:
NAKAICHI MAKOTO (JP)
YAMAMOTO YUKA (JP)
SHIMANOE FUMIHITO (JP)
IKEUCHI TAKAMITSU (JP)
OMOTO MASAYUKI (JP)
YAMAMOTO YUKA (JP)
SHIMANOE FUMIHITO (JP)
IKEUCHI TAKAMITSU (JP)
OMOTO MASAYUKI (JP)
Application Number:
PCT/JP2020/000978
Publication Date:
August 20, 2020
Filing Date:
January 15, 2020
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B23C3/12; B23C5/10; B23Q15/00; G02B5/30; G05B19/4093
Foreign References:
| JP2001054845A | 2001-02-27 | |||
| JP2018022140A | 2018-02-08 | |||
| JP2005043986A | 2005-02-17 | |||
| JPH11202926A | 1999-07-30 | |||
| JPH04240043A | 1992-08-27 | |||
| JP2000317773A | 2000-11-21 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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