Preparation method of copper film stripping liquid in liquid crystal display

• Main Authors: CHEN HAO, ZHANG FENG, ZHU DEYI
• Format: Patent
• Language: Chinese; English
• Published: 06.04.2018
• Subjects: APPARATUS SPECIALLY ADAPTED THEREFOR; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY; MATERIALS THEREFOR; ORIGINALS THEREFOR; PHOTOGRAPHY; PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES; PHYSICS

The invention discloses a preparation method of a copper film stripping liquid in a liquid crystal display. The stripping liquid comprises the following compositions in percentages by weight: 10% to 16% of alkoxy alkyl amine, 12% to 20% of a triethanolamine solution, 1.2% to 2.8% of a low-boiling-point organic solvent, 5% to 15% of vinyl n-butyl ether, 2.5% to 6.9% of isopropyl dipropyl sulfide, 0.2% to 0.6% of a non-protonic solvent and the balance of deionized water. According to the copper film water system light resistance stripping liquid provided by the invention, the light resistance stripping performance of a thin film liquid crystal display panel can be improved, the temperature in technological conditions is reduced, and the damage of an originally used positive photoresist striping liquid caused for human bodies and the environment is avoided. 本发明公布了种液晶显示器中的铜膜剥离液的制备方法，其中，所述剥离液包括以下重量百分比的组合物：烷氧基烷胺10％～16％；三乙醇胺溶液12％～20％；低沸点有机溶剂1.2％～2.8％；乙稀基正丁醚5％～15％；异丙基正丙硫醚2.5％～6.9％；非质子性溶剂0.2％～0.6％；其余为去离子水。本发明提供的铜膜水系光阻