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Patent Searching and Data


Title:
METHOD FOR FORMING FILM FROM SOLUTION
Document Type and Number:
Japanese Patent JP3938640
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a method for foming a film from a soln. by which a film with a small fluctuation of thickness can be prepd. and as the result, unevenness of coating thickness is not generated even by coating it with various functional layers.
SOLUTION: In an apparatus for forming a film from a soln., a distance h between a casting die 1 and a supporting body (a casting band) 2, a suction pressure p of a vaccum chamber 3, viscosity μ of a dope (a ribbon 4), a die lip clearance c1 of the casting die 1, casting velocity (velocity of the casting band 2) v, thickness t of a base, etc., are adjusted and length of the ribbon is controlled to 3-40 mm to perform film forming.


Inventors:
中村 敏和
片井 幸祐
Application Number:
JP19344699A
Publication Date:
June 27, 2007
Filing Date:
July 07, 1999
Export Citation:
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Assignee:
富士フイルム株式会社
International Classes:
B05D1/26; B29C41/24; B29C41/28; B29D7/01; C08J5/18; C08J7/04; B29K1/00; B29L7/00; (IPC1-7): B29C41/28; B05D1/26; C08J7/04; //C08J5/18; B29K1:00
Domestic Patent References:
JP2052721A
JP11138568A
JP63254136A
Attorney, Agent or Firm:
田中 政浩