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:
Mar. 06, 2018
Filed:
Dec. 30, 2014
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Nobuto Managaki, Kawasaki, JP;
Tadahiro Sasaki, Nerima, JP;
Atsuko Iida, Yokohama, JP;
Yutaka Onozuka, Yokohama, JP;
Hiroshi Yamada, Yokohama, JP;
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Abstract
A wiring board of an embodiment includes a through via, a first insulating film disposed around the through via, a second insulating film disposed around the first insulating film, a third insulating film disposed around the second insulating film and a resin disposed around the third insulating film. The resin includes fillers. The second insulating film has a relative permittivity lower than a relative permittivity of the first insulating film. The third insulating film has a relative permittivity higher than a relative permittivity of the second insulating film.