An undercoat-forming material comprising a novolak resin having a fluorene or tetrahydrospirobiindene structure, an organic solvent, an acid generator, and a crosslinker, optionally combined with an intermediate layer having an antireflective effect, has an absorptivity coefficient sufficient to provide an antireflective effect at a thickness of at least 200 nm and a high etching resistance as demonstrated by slow etching rates with CF.sub.4/CHF.sub.3 and Cl.sub.2. BCl.sub.3 gases for substrate processing.

 
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> Method for coloring cellulosic materials using cationic pigment dispersion

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