Title:
POROUS FILM AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JP2542772
Kind Code:
B2
Abstract:
PURPOSE: To provide a porous film which has many fine recesses, is high in surface wettability, free from transmission of water, bacteria, and various germs, and can control a transmission quantity of a gas such as oxygen gas, carbon oxide gas, etc., and a transmission quantity of water vapor.
CONSTITUTION: An organic film 65, with many recesses 70 are formed in the organic film 65, a fine aperture width is provided, and their inner faces indicating affinity are provided.
Inventors:
KAGAWA SEIJI
Application Number:
JP21762392A
Publication Date:
October 09, 1996
Filing Date:
August 17, 1992
Export Citation:
Assignee:
KAGAWA SEIJI
International Classes:
B29C67/20; B29K105/04; B29L7/00; (IPC1-7): B29C67/20
Attorney, Agent or Firm:
Takehiko Suzue