公开(公告)号：US10151959B2

公开(公告)日：2018-12-11

申请号：US15657222

申请日：2017-07-24

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Norikazu Miyazaki ,  Toru Sugamata

IPC: G02F1/225 ,  H05K1/02 ,  H05K1/11 ,  G02F1/01 ,  G02F1/21 ,  H05K3/30 ,  H05K3/36

Abstract: An optical modulator including a flexible printed circuit performing an electrical connection with an external circuit substrate, in which the flexible printed circuit includes a plurality of first pads and the like provided on one surface of the flexible printed circuit along one side of the flexible printed circuit, a plurality of second pads and the like provided on the other surface of the flexible printed circuit at locations that respectively correspond to the plurality of first pads, and a plurality of metal films and the like provided at locations that respectively correspond to the first pads on a side surface of the flexible printed circuit along the one side of the flexible printed circuit.