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US 2011/0253554 A1Published application
Electrolyte for removing titanium-containing coatings and removing method using same
AssigneesFIH (Hong Kong) Limited, Shenzhen Futaihong Precision Industry Co., Ltd.
InventorsWEI HUANG, GUO-CHUN SI
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Abstract
An electrolyte for removing titanium-containing coatings from substrates is provided. The electrolyte includes alkali, accelerant, and inhibiter. The alkali is hydroxide. The accelerant is a complexant capable of complexing with titanium. The inhibiter is polyphosphate. A method for removing titanium-containing coatings from substrates is also described there.
Claims20
An electrolyte for removing titanium-containing coatings from substrates, comprising:
- an alkali, the alkali being hydroxide;
- an accelerant, the accelerant being a complexant capable of complexing with titanium;
- and
- an inhibiter, the inhibiter being polyphosphate.
1 more element
A method for removing titanium-containing coatings from substrates, comprising:
- providing an electrolyte, the electrolyte containing alkali, accelerant, and inhibiter;
- immersing the substrate with the titanium-containing coating in the electrolyte, the substrate being an anode;
- and
- electrifying the substrate to remove the titanium-containing coatings;
- wherein the alkali is hydroxide;
- the accelerant is a complexant capable of complexing with titanium;
- and the inhibiter is polyphosphate.
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Dependencies are inferred from the claim text.