Patent ID: 7319069

Claim:
A method for manufacturing a structure having pores comprising the steps of: preparing a substrate; forming a plurality of electroconductive layers each composed of at least one element selected from the group consisting of Ti, Zr, Hf, Nb, Ta, Mo, and W on a part of a surface of the substrate; forming a film primarily composed of aluminum so as to cover the plurality of electroconductive layers and a surface of the substrate having no electroconductive layer thereon; and anodizing the film primarily composed of aluminum so as to form a layer primarily composed of aluminum oxide having a plurality of pores; wherein the plurality of pores is formed above the plurality of electroconductive layers and the surface of the substrate having no electroconductive layer thereon, wherein a material forming an electroconductive layer of the plurality of electroconductive layers is diffused to a part of the layer primarily composed of aluminum oxide provided between the electroconductive layer and the bottom of the pores above the electroconductive layer, and wherein the electroconductive layer is an electroconductive film formed on a surface of the substrate, and the film primarily composed of aluminum is formed so that the thickness thereof is not less than two times the thickness of the electroconductive layer.