The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 1995
Filed:
Aug. 15, 1994
Applicant:
Inventors:
Kazuhiro Arita, Takatsuki, JP;
Tetsuro Nishimura, Nishinomiya, JP;
Assignees:
Takeda Chemical Industries, Ltd., Osaka, JP;
Nihon Superior Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
148 23 ; 148 24 ;
Abstract
A soldering flux comprising a bis (2-oxazoline) compound, a dithiol compound, an organic carboxylic acid compound and an activator which does not require post-soldering cleaning and, yet, does not cause corrosion of the base metal or deterioration of electrical characteristics and helps to clear the statutory regulations on the use of chlorofluorohydrocarbons. A soldering flux comprising, in addition to the above components, an organic solvent, a thermoplastic resin or/and an epoxy group-containing compound.