Title:
フィルムの製造方法及び製造装置
Document Type and Number:
Japanese Patent JP6451624
Kind Code:
B2
Abstract:
A film manufacturing method and manufacturing apparatus for manufacturing a film having excellent dimensional stability to heat at a good product yield and performing a stress relaxation treatment of the film include performing the stress relaxation treatment while conveying the film in a non-contact state using a levitation conveyance device for jetting a heated gas from gas injection holes to the film and conveying the film in a non-contact state. The film manufacturing method and manufacturing apparatus are particularly suitable for stress relaxation treatment of a polyimide film obtained by heat-treating a polyimide film precursor.
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Inventors:
Kazumi Ito
Kimura Seikatsu
Yuji Ogawa
Hiroki Hirohata
Kimura Seikatsu
Yuji Ogawa
Hiroki Hirohata
Application Number:
JP2015508228A
Publication Date:
January 16, 2019
Filing Date:
March 06, 2014
Export Citation:
Assignee:
Ube Industries,Ltd.
International Classes:
B29C71/02; B29C41/24; B29C41/46; B29C55/02
Domestic Patent References:
| JP4286624A | ||||
| JP4292934A | ||||
| JP2012240370A | ||||
| JP1198638A | ||||
| JP2004299216A | ||||
| JP2006241394A |
Attorney, Agent or Firm:
Shigeru Matsui
Takeo Miyao
Takeo Miyao