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:
Jan. 24, 2012
Filed:
Aug. 21, 2008
Nobuhito Itoh, Hiki-gun, JP;
Yoko Shibasaki, Hiki-gun, JP;
Kenji Kato, Hiki-gun, JP;
Masao Arima, Hiki-gun, JP;
Nobuhito Itoh, Hiki-gun, JP;
Yoko Shibasaki, Hiki-gun, JP;
Kenji Kato, Hiki-gun, JP;
Masao Arima, Hiki-gun, JP;
Taiyo Ink Mfg. Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a photocurable and thermosetting resin composition having excellent surface curability and deep curability, allowing pattern formation with a laser beam having a wavelength of 350 to 410 nm, and being useful as a solder resist for laser direct imaging, the composition including a carboxylic resin (A), an oxime ester-based photopolymerization initiator (B) such as 2-(acetyloxyiminomethyl)thioxanthene-9-one, and another photopolymerization initiator than (B) such as 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide, and a sulfur compound (E) such as 2-mercaptobenzothiazole.