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公开(公告)号：US20240038922A1
公开(公告)日：2024-02-01
申请号：US18379996
申请日：2023-10-13
发明人： Junichi SUZUKI
IPC分类号： H01L31/173 , H01L31/0232
CPC分类号： H01L31/173 , H01L31/02325
摘要： A lens array includes, on a surface which belongs to the lens array and which faces a flat surface of a base, a plurality of adhesive surfaces located side by side in a direction in which a plurality of lens elements is arranged in parallel, and includes an interference suppression portion for an adhesive between adjacent adhesive surfaces among the plurality of adhesive surfaces, and a plurality of adhesive layers is provided which glues the plurality of adhesive surfaces of the lens array to the flat surface of the base and thereby fixes the lens array to the flat surface of the base.
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公开(公告)号：US20240361519A1
公开(公告)日：2024-10-31
申请号：US18763651
申请日：2024-07-03
发明人： Mizuki SHIRAO , Ryota TAKEMURA , Junichi SUZUKI , Nobuo OHATA
IPC分类号： G02B6/12 , H01L31/0232 , H01L31/0304 , H01L31/105
CPC分类号： G02B6/12002 , H01L31/02325 , H01L31/03046 , H01L31/105
摘要： An optical receiver includes: a support base; a waveguide-type light receiving element fixed to a surface of the support base; and an optical circuit element fixed to the surface of the support base, wherein the waveguide-type light receiving element includes: a semi-insulating semiconductor substrate; a light absorbing layer formed on one main surface of the semiconductor substrate and has a pair of joint surfaces perpendicular to the one main surface of the semiconductor substrate and an incident end face on which light is incident and which has facing end sides of the joint surfaces as a pair of opposite sides, the incident end face having a layer thickness longer than a layer width; an n-type semiconductor layer joined to one of the joint surfaces of the light absorbing layer, and a p-type semiconductor layer joined to the other of the joint surfaces of the light absorbing layer.
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