JP2017069490A - 光学装置、プリント回路基板 - Google Patents
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- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
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- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
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- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
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- H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
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Abstract
【解決手段】光学装置11は、半導体光デバイス15と、第1開口13a及び第2開口13bを有する本体19と該本体19に保持された金属片21とを備え半導体光デバイス15に電気的に接続されたプリント回路基板13と、プリント回路基板13上に実装された第1電子部品17と、を備え、金属片21は、第1面21a及び第2面21bを有し、金属片21の第1面21aは、第2面21bの反対側にある。第1開口13aは金属片21の第1面21aに到達し、第2開口13bは金属片21の第2面21bに到達する。半導体光デバイス15は、プリント回路基板13の第1開口13aにおいて金属片21の第1面21a上に搭載される。
【選択図】図1
Description
具体例。
金属片21の材料:銅、アルミニウム、マグネシウム、鉄(ステンレス含む)、アルマイト等。
金属片21の厚さTMの範囲:0.6〜0.1mm。
第1開口13aの深さD1:700〜800μm。
第2開口13bの深さD2:200〜2200μm。
プリント回路基板の厚さ:2〜3mm。
半導体光デバイス15の厚さDV1:700〜1100μm。
半導体光デバイス15の側面と第1開口13aの縁との間隔DS:200〜700μm。
金属片21は、金属板又は金属箔であることができる。第1開口13aは、第1軸Ax1の方向に延在する第1側面13eを有しており、第1側面13eは絶縁体からなり、誘電体コア層のエポキシ系樹脂及び絶縁性接着層のプリプレグを備える。また、第2開口13bの第2側面13fは絶縁体からなり、具体的には、誘電体コア層のエポキシ系樹脂及び絶縁性接着層のプリプレグを備える。第11金属層L1、第12金属層L2、第13金属層L3、第14金属層L4は、第1開口13aの第1側面13eから隔置され、また、第21金属層L5、第22金属層L6、第23金属層L7、及び第24金属層L8は、第2開口13bの第2側面13fから隔置されている。これらの隔置により、金属片21が、第11金属層L1、第12金属層L2、第13金属層L3、第14金属層L4、第21金属層L5、第22金属層L6、第23金属層L7、及び第24金属層L8のいずれかと接触することを避けることができる。本体19内の金属層は、第1側面13e及び第2側面13fから150μm以上の距離で離される。
(実施例1)
金属層(L1): 100μm。
誘電体コア層(CR1):150μm。
金属層(L2):30μm。
絶縁性接着層(AD1H):400μm。
金属層(L3):20μm。
誘電体コア層(CR2):200μm。
金属層(L4):40μm。
金属片21:200μm。
絶縁性接着層(AD2H):200μm。
金属層(L5):40μm。
誘電体コア層(CR3):200μm。
金属層(L6):20μm。
絶縁性接着層(AD3H):400μm。
金属層(L7):30μm。
誘電体コア層(CR4):150μm。
金属層(L8):100μm。
第1開口13aの深さ:約740μm。
第2開口13bの深さ:約940μm。
(実施例2)
金属層(L1):100μm。
誘電体コア層(CR1):150μm。
金属層(L2):30μm。
絶縁性接着層(AD1H):400μm。
金属層(L3):20μm。
誘電体コア層(CR2):400μm。
金属層(L4):40μm。
金属片21:400μm。
絶縁性接着層(AD2H):400μm。
金属層(L5):40μm。
誘電体コア層(CR3):100μm。
金属層(L6):20μm。
絶縁性接着層(AD3H):100μm。
金属層(L7):30μm。
誘電体コア層(CR4):150μm。
金属層(L8):100μm。
第1開口13aの深さ:約740μm。
第2開口13bの深さ:約540μm。
(実施例3)
金属層(L1):100μm。
誘電体コア層(CR1):150μm。
金属層(L2):30μm。
絶縁性接着層(AD3H):200μm。
金属層(L3):20μm。
誘電体コア層(CR2):150μm。
金属層(L4):40μm。
絶縁性接着層(AD3H):400μm。
金属層(L5):40μm。
誘電体コア層(CR3):200μm。
金属層(L6):20μm。
金属片21:600μm。
絶縁性接着層(AD3H):600μm。
金属層(L7):30μm。
誘電体コア層(CR4):150μm。
金属層(L8):100μm。
第1開口13aの深さ:約750μm。
第2開口13bの深さ:約280μm。
Claims (6)
- 光学装置であって、
複数の光学結合素子、該光学結合素子に係る光を処理する光素子、及び該光素子に係る電気信号を処理する回路素子をモノリシックに集積する半導体光デバイスと、
第1開口及び第2開口を有する本体と該本体に保持された金属片とを備え、前記半導体光デバイスに電気的に接続されたプリント回路基板と、
前記プリント回路基板上に実装された第1電子部品と、
を備え、
前記金属片は、第1面及び第2面を有し、前記金属片の前記第1面は、前記金属片の前記第2面の反対側にあり、前記第1開口は前記金属片の前記第1面に到達しており、前記第2開口は前記金属片の前記第2面に到達しており、
前記半導体光デバイスは、前記プリント回路基板の前記第1開口において前記金属片の前記第1面上に搭載される、光学装置。 - 前記プリント回路基板の前記本体は、前記第1開口を有する第1層構造と、前記第2開口を有する第2層構造とを含み、
前記第1層構造、前記金属片及び前記第2層構造は、第1軸の方向に配列されており、前記第1層構造及び前記第2層構造は前記金属片を挟んで前記金属片を保持しており、
前記第1層構造は、第11誘電体コア層と、該第11誘電体コア層上に設けられ配線又は接地のための第11金属層とを含み、前記第2層構造は、第21誘電体コア層と、該第21誘電体コア層上に設けられ配線又は接地のための第21金属層とを含む、請求項1に記載された光学装置。 - 複数の光導波路と、前記光導波路を保持する保持体とを含む光学部品を更に備え、
前記光学部品は、前記光学結合素子に光学的に結合されるように前記半導体光デバイスに支持される、請求項1又は請求項2に記載された光学装置。 - 前記プリント回路基板の前記第2開口における前記金属片の前記第2面を支持する支持面を有する放熱部材を更に備える、請求項1〜請求項3のいずれか一項に記載された光学装置。
- 前記半導体光デバイスは、前記光素子としてフォトダイオード及びマッハツェンダ変調器の少なくとも一方を含む、請求項1〜請求項4のいずれか一項に記載された光学装置。
- プリント回路基板であって、
配線及び接地のための第11金属層及び第11誘電体コア層を含み第1開口を有する第1層構造と、
配線及び接地のための第21金属層及び第21誘電体コア層を含み第2開口を有する第2層構造と、
第1面と前記第1面の反対側の第2面とを含み前記第1層構造及び前記第2層構造によって保持された金属片と、
を備え、
前記第1層構造は、前記第1層構造の表面における前記第1開口の縁に沿って配列された複数のパッド電極を含み、
前記金属片は、前記第1層構造及び前記第2層構造から絶縁されており、
前記第1層構造の前記第1開口、前記金属片、及び前記第2層構造の前記第1開口は、第1軸の方向に配列されており、
前記第1層構造の前記第1開口は、前記第1層構造の表面から前記金属片の前記第1面に到達し、前記第2層構造の前記第2開口は、前記第2層構造の表面から前記金属片の前記第2面に到達する、プリント回路基板。
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