Liquid crystal panel copper-molybdenum membrane etching liquid
A liquid crystal panel and etching solution technology, which is applied in the field of liquid crystal panel processing, can solve the problems of graphic requirements that cannot meet the process requirements, high cost of fluorine-containing wastewater treatment, uneven etching of substrates, etc., to achieve reduced reaction rate, stable liquid medicine, and environmental protection stressful effect
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Embodiment 1
[0032] Liquid crystal panel copper-molybdenum film etchant of the present invention, for the gross weight of composition, be made up of following component: the hydrogen peroxide of 5% weight; The sodium stannate of 2% weight; By the ammoniacal liquor of 3% weight and 4% weight Amino dimethylene phosphinic acid potassium salt mixed pH adjuster; 5% by weight of potassium ethylenediamine tetramethylene phosphonate; 2% by weight of sodium phosphate corrosion inhibitor; the balance is water.
Embodiment 2
[0034] Liquid crystal panel copper-molybdenum film etchant of the present invention, for the gross weight of composition, be made up of following component: the hydrogen peroxide of 5% weight; The sodium pyrophosphate of 2% weight; By the ammoniacal liquor of 3% weight and 4% weight A pH regulator formed by mixing potassium aminodimethylidene phosphinate; 5% by weight of potassium ethylenediamine tetramethylene phosphonate; 2% by weight of sodium molybdate; the balance is water.
Embodiment 3
[0036] Liquid crystal panel copper molybdenum film etchant of the present invention, for the gross weight of composition, be made up of following component: the hydrogen peroxide of 1% weight; The ammonium stannate of 0.01% weight; By the ammoniacal liquor of 8% weight and the A pH adjuster made by mixing sodium salt of ethylenediaminetetramethylenephosphinic acid; 12% by weight of ethylenediaminetetramethylenephosphinic acid; 0.1% by weight of molybdic acid; the balance is water.
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