Patent ID: 7713579

Claim:
A coating method comprising the steps of: preparing a medium; and forming a coating film on the medium by using a coating apparatus, said coating apparatus comprising a base for supporting a slot die, wherein the base has an above-ground section having a height of not more than 5 m from a ground level, and a mean cross sectional area of not less than 3 m 2 in terms of a horizontal direction, wherein a top portion of the base shows acceleration of not more than 0.3 Gal at a frequency of not less than 5 Hz according to a root-mean-square value obtained by a ⅓ octave-band peak hold analysis of a 60-second sampling data; the base is made of concrete or reinforced concrete; and further comprising at least one of a vibration damping apparatus and a vibration isolation apparatus which is interposed between the slot die and the base.