Ibiden Company Limited

Takayuki Katsuno

Takema Adachi

Toshiki Furutani

Shunsuke Sakai

Takeshi Furusawa

Kosuke Ikeda

Yuki Ito

Masaaki Murase

A method for manufacturing an electronic component attached board includes preparing a first support plate, forming aggregate wiring boards on the first plate such that the aggregate boards each including wiring board side by side are formed in connected state on surface of the first plate, separating the first plate from the aggregate boards, dividing the aggregate boards into individual aggregate boards each including the wiring boards, bonding a second support plate to surface of each individual aggregate board such that each individual aggregate board is bonded to surface of the second plate, mounting electronic components on the wiring boards on the second plate such that each wiring board has an electronic component thereon, dividing the wiring boards into individual wiring boards, and separating the second plate from the individual wiring board. The surface of the first plate has size larger than size of the surface of the second plate.

Method for manufacturing electronic component attached wiring board

A printed wiring board includes a resin insulating layer, a wiring conductor layer embedded in the insulating layer such that the wiring layer has first surface exposed from the insulating layer, and a conductor post formed in the insulating layer and on second surface of the wiring layer on the opposite side with respect to the first surface of the wiring layer such that the conductor post has side surface covered by the insulating layer and end surface exposed from the insulating layer on the opposite side with respect to the wiring layer. The conductor post is formed such that the side surface of the conductor post is a roughened side surface having surface roughness of first roughness Rthe end surface of the conductor post is a roughened end surface having surface roughness of second roughness Rand the first and second roughnesses RRsatisfy RR

Printed wiring board with conductor post having multiple surface roughness and method for manufacturing the same

A printed wiring board includes a resin insulating layer having recess portions formed on first surface, a first conductor layer formed in the recess portions and including pads positioned to mount an electronic component, conductive pillars formed on the pads, respectively, and formed to mount the electronic component onto the resin insulating layer, a second conductor layer formed on second surface of the resin insulating layer on the opposite side with respect to the first surface, and a via conductor formed in the resin insulating layer such that the via conductor is penetrating through the resin insulating layer and connecting the first and second conductor layers. The pillars is formed such that each of the pads has an exposed surface exposed from a respective one of the conductive pillars, and the pads are formed such that the exposed surface is recessed from the first surface of the resin insulating layer.

Printed wiring board

Growing community of inventors

Ogaki, Japan

Takayuki Katsuno