Inventors:
RENYI WANG - Irvine CA, US
ZHEN LIU - Monterey Park CA, US
LIRONG BAO - Hillsborough NJ, US
TRANG TRAN - Westminster CA, US
OSAMA MUSA - Hillsborough NJ, US
Assignee:
NATIONAL STARCH AND CHEMICAL INVESTMENT HOLDING CORPORATION - NEW CASTLE DE
International Classification:
B23K 35/363
Abstract:
A method for fluxing a solder comprises applying to the solder a fluxing agent in which the fluxing agent is a compound having (i) an aromatic ring, (ii) at least one —OH, —NHR (where R is hydrogen or lower alkyl), or —SH group (iii) an electron-withdrawing or electron-donating substituent on the aromatic ring, and (iv) no imino group.