JP2021174877A - 光モジュール - Google Patents
光モジュール Download PDFInfo
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- JP2021174877A JP2021174877A JP2020077640A JP2020077640A JP2021174877A JP 2021174877 A JP2021174877 A JP 2021174877A JP 2020077640 A JP2020077640 A JP 2020077640A JP 2020077640 A JP2020077640 A JP 2020077640A JP 2021174877 A JP2021174877 A JP 2021174877A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 92
- 239000003990 capacitor Substances 0.000 claims abstract description 84
- 239000004020 conductor Substances 0.000 claims description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 39
- 239000012212 insulator Substances 0.000 claims description 24
- 239000004065 semiconductor Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 11
- 239000011810 insulating material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241000269800 Percidae Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JVPLOXQKFGYFMN-UHFFFAOYSA-N gold tin Chemical compound [Sn].[Au] JVPLOXQKFGYFMN-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
Description
図1は、第1の実施形態に係る光モジュールの側面図である。光モジュール100は、TO−CAN(Transistor Outline-Can)型光モジュールであり、発光素子を備える光送信サブアセンブリ(TOSA: Transmitter Optical Sub-Assembly)並びに発光素子及び受光素子の両方を備える双方向モジュール(BOSA;Bidirectional Optical Sub-Assembly)のいずれであってもよい。光モジュール100は、フレキシブル基板(FPC)102を有し、プリント基板(PCB104)に接続されるようになっている。光モジュール100は、導電性ブロック10(例えばアイレット)を有する。
図5は、第2の実施形態において導電性ブロック及びこれに搭載される電子部品の正面図である。図6は、図5に示す導電性ブロック及びこれに搭載される電子部品の平面図である。
図7は、第3の実施形態において導電性ブロック及びこれに搭載される電子部品の正面図である。図8は、図7に示す導電性ブロック及びこれに搭載される電子部品の平面図である。
図9は、第4の実施形態において導電性ブロック及びこれに搭載される電子部品の正面図である。図10は、図9に示す導電性ブロック及びこれに搭載される電子部品の平面図である。
図11は、第5の実施形態において導電性ブロックに搭載される電子部品の平面図である。
図12は、第6の実施形態において台座部及びこれに搭載される電子部品の平面図である。図13は、図12に示す台座部及びこれに搭載される電子部品の部分側面図である。
Claims (14)
- 光源と、
前記光源からの光を変調可能な光変調器と、
上電極及び下電極を有するコンデンサと、
前記コンデンサの前記上電極に面接合で直列接続された抵抗器と、
を有し、
前記抵抗器及び前記コンデンサは、前記光変調器に並列接続されていることを特徴とする光モジュール。 - 請求項1に記載された光モジュールであって、
前記光源及び前記光変調器は、一体化した光半導体素子であることを特徴とする光モジュール。 - 請求項1又は2に記載された光モジュールであって、
前記抵抗器は、前記コンデンサの前記上電極に面接合された第1導体と、第2導体と、前記第1導体及び前記第2導体の間に電気的に接続された抵抗体とを含むことを特徴とする光モジュール。 - 請求項3に記載された光モジュールであって、
前記抵抗器は、絶縁体をさらに含み、
前記第1導体は、前記絶縁体の下面から上面に至るようになっており、
前記第2導体及び前記抵抗体は、前記絶縁体の前記上面にあることを特徴とする光モジュール。 - 請求項4に記載された光モジュールであって、
前記第1導体は、前記絶縁体の側面を通るようになっていることを特徴とする光モジュール。 - 請求項4に記載された光モジュールであって、
前記第1導体は、前記絶縁体を貫通するようになっていることを特徴とする光モジュール。 - 請求項4から6のいずれか1項に記載された光モジュールであって、
前記絶縁体の端部及び前記第2導体の端部は、前記光変調器に近づく方向に、前記コンデンサからオーバーハングした位置にあることを特徴とする光モジュール。 - 請求項4から7のいずれか1項に記載された光モジュールであって、
前記抵抗器の前記第2導体の前記端部に一端がボンディングされ、他端が前記光変調器にボンディングされたワイヤをさらに有することを特徴とする光モジュール。 - 請求項4から7のいずれか1項に記載された光モジュールであって、
前記コンデンサとは反対側で前記光変調器の隣にあるボンディングパッドと、
前記光変調器に一端がボンディングされ、他端が前記ボンディングパッドにボンディングされた第1ワイヤと、
前記抵抗器の前記第2導体の前記端部に一端がボンディングされ、前記光変調器の上方を超えて、他端が前記ボンディングパッドにボンディングされた第2ワイヤと、
をさらに有することを特徴とする光モジュール。 - 請求項1から9のいずれか1項に記載された光モジュールであって、
第1面及び第2面を有し、前記第1面及び前記第2面の間で貫通する複数の貫通孔を有し、前記第1面に台座部を有する導電性ブロックと、
前記複数の貫通孔の内側に前記導電性ブロックとは絶縁されてそれぞれ固定されている複数のリードと、
をさらに有し、
前記コンデンサは、前記台座部に搭載されていることを特徴とする光モジュール。 - 請求項10に記載された光モジュールであって、
前記光源及び前記光変調器が搭載された搭載基板をさらに有し、
前記搭載基板は、前記台座部に搭載されていることを特徴とする光モジュール。 - 請求項1から11のいずれか1項に記載された光モジュールであって、
前記光源は、複数の光源を含み、
前記光変調器は、前記複数の光源にそれぞれ対応する複数の光変調器を含み、
前記コンデンサは、複数のコンデンサを含み、
前記抵抗器は、前記複数のコンデンサにそれぞれ対応する複数の抵抗器を含み、
前記複数の光変調器と前記複数のコンデンサは、交互に配置されていることを特徴とする光モジュール。 - 請求項11に記載された光モジュールであって、
前記台座部は、上面に、第1領域と、前記第1領域よりも低い第2領域と、を含み、
前記搭載基板は、前記第1領域に搭載され、
前記コンデンサは、前記第2領域に搭載されていることを特徴とする光モジュール。 - 請求項11に記載された光モジュールであって、
前記台座部は、上面に、第1領域と、前記第1領域よりも低い第2領域と、を含み、
前記搭載基板は、前記第1領域に搭載され、
前記光源は、複数の光源を含み、
前記光変調器は、前記複数の光源にそれぞれ対応する複数の光変調器を含み、
前記コンデンサは、前記第1領域に搭載された少なくとも1つの第1コンデンサ及び前記第2領域に搭載された少なくとも1つの第2コンデンサからなる複数のコンデンサを含み、
前記抵抗器は、前記複数のコンデンサにそれぞれ対応する複数の抵抗器を含むことを特徴とする光モジュール。
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