Patent ID: 7198825

Claim:
A method of manufacturing a carbonate film, comprising: filling a pressure container with: a base material having at least part of the surface coated with an organic matrix comprising at least one member selected from the group consisting of a carboxyl group, amino group, hydroxyl group, phosphonic acid group, phosphoric acid group, ammonium group, trimethyl ammonium group, sulfonic acid group, and sulfuric acid group, and a material solution comprising a carbonate material as a material for carbonate film and an organic polymer including at least one member selected from the group consisting of a carboxyl group, amino group, hydroxyl group, phosphonic acid group, phosphoric acid group, ammonium group, trimethyl ammonium group, sulfonic acid group, and sulfuric acid group, and supplying CO 2 into the pressure container at 2 atm or higher to deposit a carbonate film on the surface of the organic matrix.