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Title:
WATER-SOLUBLE FLUX AND METHOD FOR PICKLING COPPER MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/062550
Kind Code:
A1
Abstract:
A water-soluble flux, comprising an organic acid, an alcohol ether solvent and deionized water, the organic acid taking 10-20 parts, the alcohol ether solvent taking 1-10 parts, and the deionized water taking 70-90 parts. Also provided is a method for pickling a copper material, said method uses a pickling liquid obtained by mixing the water-soluble flux with water. In the tin plating process, a component to be welded after the processing by the water-soluble flux is able to effectively suppress the splashing of tin fluid and improve the utilization of the tin.

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Inventors:
ZENG XIANHUA (CN)
XING LUSHENG (CN)
HUANG GANG (CN)
WANG JUNHUA (CN)
Application Number:
PCT/CN2018/118933
Publication Date:
April 02, 2020
Filing Date:
December 03, 2018
Export Citation:
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Assignee:
UNIV WUYI (CN)
International Classes:
B23K35/363
Foreign References:
CN102581521A2012-07-18
CN102581521A2012-07-18
CN102873470A2013-01-16
CN1562554A2005-01-12
CN101214594A2008-07-09
CN101327552A2008-12-24
CN101992366A2011-03-30
US20080261847A12008-10-23
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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