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:
Aug. 12, 2025
Filed:
Jul. 13, 2023
Ibiden Co., Ltd., Gifu, JP;
Toshiki Furutani, Ibi-gun, JP;
Masashi Kuwabara, Ibi-gun, JP;
IBIDEN CO., LTD., Ogaki, JP;
Abstract
A wiring substrate includes insulating layers, conductor layers formed on the insulating layers, and via conductors formed in the insulating layers such that the via conductors are connecting the conductor layers through the insulating layers. The conductor layers include a first conductor layer and the outermost conductor layer formed such that the outermost conductor layer includes first conductor pads positioned to mount a first component and second conductor pads positioned to mount a second component and that the first conductor layer includes wiring patterns including first wiring patterns connecting the first conductor pads and second conductor pads, and the first conductor layer in the conductor layers is formed such that the wiring patterns have the minimum wiring width of 3 μm or less, the minimum inter-wiring distance of 3 μm or less and an aspect ratio in the range of 2.0 to 4.0.