| http://www.w3.org/ns/prov#value | - Solvents other than the organic solvents used in the present invention are naturally contained in the varnish without any restriction of the advantages claimed for the present invention.The concentration of polyamics is suitably 0.1 to 40%, preferably 1 to 10% for commonly used means of varnish coating (such as spin coating, print coating, dip coating and spray coating).Polyamic acid of a polyimid
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