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:
Feb. 02, 2021
Filed:
Feb. 09, 2017
Taiyo Ink Mfg. Co., Ltd., Saitama, JP;
Rina Yoshikawa, Saitama, JP;
Masato Yoshida, Saitama, JP;
Masayuki Shimura, Saitama, JP;
Hiroshi Matsumoto, Saitama, JP;
TAIYO INK MFG. CO., LTD., Saitama, JP;
Abstract
Provided are a curable composition for inkjet, which not only allows surface curability in formation of a coating film by an inkjet system to be enhanced, but also is not reduced in characteristics conventionally provided, such as solder heat resistance and gold plating resistance, and a cured product and a printed wiring board using the curable composition. The curable composition for inkjet of the present invention includes (A) an alkylene chain-containing bifunctional (meth)acrylate compound, (B) an α-aminoalkylphenone-based photopolymerization initiator, and (C) an acylphosphine oxide-based photopolymerization initiator, wherein, when the thickness is 10 μm, the absorbance at a wavelength of 365 nm is 0.08 to 0.8 and the absorbance at a wavelength of 385 nm is 0.05 to 0.3.