公开(公告)号：US12274002B2

公开(公告)日：2025-04-08

申请号：US18077251

申请日：2022-12-08

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Atsushi Kishimoto ,  Takumi Masaki ,  Masato Inaoka ,  Takashi Shimizu ,  Hiroshi Nishikawa ,  Takahiro Takada

IPC: H05K1/11 ,  H05K1/02

Abstract: A multilayer circuit board includes a board body including insulator layers stacked upon each other, a first land pattern at the board body to mount a passive component, a second land pattern at the board body to mount an active component, and a heat-dissipation layer between the insulator layers and extending along main surfaces of the insulator layers. The heat-dissipation layer includes a hole extending therethrough in a stacking direction of the insulator layers. In a plan view from the stacking direction, an outer edge of the hole of the heat-dissipation layer is on an outer side of the first land pattern, or overlaps the first land pattern.

公开(公告)号：US10408751B2

公开(公告)日：2019-09-10

申请号：US15341438

申请日：2016-11-02

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Takashi Kondo ,  Seiji Kamba ,  Naoki Kawara ,  Takashi Shimizu

IPC: G01N21/3586 ,  G01N21/01 ,  G01N21/3581 ,  G01N33/00 ,  G01N21/35

Abstract: A measurement method measures an amount of substance of an analyte in a sample fluid passing through a perforated structure having a pair of principal surfaces opposed to each other and having a plurality of cavity portions extending through both of the principal surfaces. An elapsed time from a time when the sample fluid begins passing through the perforated structure or a predetermined time thereafter to a time when a characteristic value of the perforated structure reaches a predetermined threshold. The elapsed time is used to determine the amount (the concentration) of substance of the analyte.