TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The content of acid solution or hydroxide solution is 1-40 mass%. The acid solution is hydrogen fluoride, hydrogen boron tetrafluoride or hydrochloric acid solution of ammonium hydrogen fluoride. The hydroxide solution is sodium hydroxide or potassium hydroxide. An INDEPENDENT CLAIM is included for the electrode (E1) prepared from above cited method.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The content of surface active agent is 0.5-5 mass%. The surface active agent is high-class aliphatic acid salt or sulfonate surface active agent. The high-class aliphatic acid salt is sodium alcohol ether sulfate, sodium dodecyl benzene sulfonate or sodium lauryl sulfate. The copper plating solution comprises (g/L): cupric pyrophosphate (50-150 g/L), potassium pyrophosphate (250-350), ferric ammonium citrate (10-15), selenium dioxide (0.006-0.5), 2-mercaptobenzothiazole (0.001-0.5) and 2-mercaptobenzothimidazole (0.001-0.1); or copper sulfate (100-250), sulfuric acid (50-150), potassium chloride (100-200), polyethylene glycol (0.05-0.3) and formyl sulfonium-1-propane sulfonate (0.02 to 0.5). The nickel plating solution comprises (g/L): nickel sulfamic acid (300-500), nickel chloride (0-30), boric acid (30-40), sodium allylsulfonate (0.1-2) and coumarin (0.005-0.2). The tin plating solution comprises (g/L): tin (20-35), phenolsulfonic acid (40-80) and beta -phenolsulfonic acid (0.1-2). The silver plating solution comprises (g/L): silver nitrate (30-40), potassium cyanide (50-75) and potassium carbonate (20-95). The gold plating solution comprises potassium auricyanide (8-20), potassium cyanide (15-30), dipotassium phosphate (10-25) and potassium carbonate (10-30). The organic solvent is aliphatic hydrocarbon compound, alicyclic hydrocarbon compound, halogenated hydrocarbon chemical compound, ester compound or ketone compound. The aliphatic hydrocarbon compound is benzene, methylbenzene or dimethylbenzene. The alicyclic hydrocarbon compound is cyclohexane or cyclohexanone. The halogenated hydrocarbon chemical compound is chlorobenzene, methylene dichloride or dichlorotoluene. The ester compound is acetic ether, methyl acetate or propyl acetate. The ketone compound is acetone, methyl acetone or methylisobutylketone.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The reflecting layer is silicon nitride anti-reflective film, porous silica anti-reflective film, titanium dioxide anti-reflective film or magnesium fluoride/zinc sulfide double-level anti-reflective film. The protective film is phenolic resin varnish, alkyd resin varnish, nitrocellulose varnish, Penguard Clear Varnish (RTM: two-pack transparent epoxy varnish) or acrylic lacquer acrylic varnish.