JP6546639B2 - 導光機能を有する光学センサー及びその製造方法 - Google Patents
導光機能を有する光学センサー及びその製造方法 Download PDFInfo
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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Description
一部の実施の形態において、導光構造がリング状に配列された複数の第2の導光部を備えている。
一部の実施の形態において、少なくとも1つの第2の導光部がリング状部である。
一部の実施の形態において、導光構造が半導電層の水平上面から延びている。
一部の実施の形態において、導光構造が半導電層の上方の第1の層内に内側導光棒を有し、該半導電層の上方の第2の層内に外側導光棒を有している。
101〜105 誘電体層
106、304 誘電体層
111 半導電層
111A 電気回路領域
111B 光学感知領域
119 フィルター層
120 導波構造
130、330 導光構造
131 第1の導光部
132 第2の導光部
133 第3の導光部
140 電気相互接続構造
141 電気接触子
142 電気ビア
143 電気金属層
147 金属層
147A 開口部
23 試料保持部
55 光感知領域
331 導光スペーサ
Claims (20)
- 電気回路領域及び光学感知領域を有する半導電層、
前記光学感知領域の上方の試料保持部、
前記試料保持部と前記光学感知領域との間の導光構造、
前記試料保持部と前記導光構造との間に配された金属層、
前記電気回路領域の上方の電気相互接続構造、及び
前記半導体層と前記金属層との間に位置された誘電体層であって、前記電気相互接続構造と前記導光構造が該誘電体層の中に設けられている誘電体層、
を備えた光学センサーであって、
前記電気相互接続構造と前記導光構造とが、同じ材料で形成されており、前記金属層が、前記電気相互接続構造と前記導光構造とを完全に覆っており、さらに前記金属層が、前記光学感知領域の上方に配された開口部を有しており、前記導光構造が、前記試料保持部からの発光であって前記開口部を通過した発光を、前記光学感知領域に誘導するように構成されて成ることを特徴とする光学センサー。 - 前記電気相互接続構造が、前記電気回路領域の上方に少なくとも1つの電気接触子を備え、前記導光構造が、前記光学感知領域の上方に少なくとも1つの第1の導光部を備えたことを特徴とする請求項1記載の光学センサー。
- 前記半導電層が水平上面を有し、前記少なくとも1つの電気接触子及び前記少なくとも1つの第1の導光部が、前記水平上面と平行かつ該水平上面の上方の実質的に同じ水平面に延びていることを特徴とする請求項2記載の光学センサー。
- 前記導光構造がリング状に配列された複数の第1の導光部を備えたことを特徴とする請求項2記載の光学センサー。
- 前記少なくとも1つの第1の導光部がリング状部であることを特徴とする請求項2記載の光学センサー。
- 前記電気相互接続構造が前記少なくとも1つの電気接触子の上方に少なくとも1つの電気ビアを備え、前記導光構造が前記少なくとも1つの第1の導光部の上方に少なくとも1つの第2の導光部を備えたことを特徴とする請求項2記載の光学センサー。
- 前記半導電層が水平上面を有し、前記少なくとも1つの電気ビア及び前記少なくとも1つの第2の導光部が前記水平上面と平行かつ該水平上面の上方の実質的に同じ水平面に延びていることを特徴とする請求項6記載の光学センサー。
- 前記導光構造がリング状に配列された複数の第2の導光部を備えたことを特徴とする請求項6記載の光学センサー。
- 前記少なくとも1つの第2の導光部がリング状部であることを特徴とする請求項6記載の光学センサー。
- 前記導光構造が前記半導電層の水平上面から延びていることを特徴とする請求項1記載の光学センサー。
- 前記導光構造が、前記半導電層の上方の第1の層内に内側導光棒を備え、該半導電層の上方の第2の層内に外側導光棒を備えたことを特徴とする請求項1記載の光学センサー。
- 前記導光構造の幅が、前記試料保持部に近い上部領域の方が前記光感知領域に近い底部領域より広いことを特徴とする請求項1記載の光学センサー。
- 前記導光構造の幅が、前記光感知領域に近い底部領域の方が前記試料保持部に近い上部領域より広いことを特徴とする請求項1記載の光学センサー。
- 電気回路領域及び光学感知領域を有する半導電層、
前記光学感知領域の上方の試料保持部、
前記電気回路領域の上方の少なくとも1つの電気接触子、
前記試料保持部からの発光を前記光学感知領域に誘導するように構成された少なくとも1つの第1の導光部、
前記試料保持部と前記少なくとも1つの第1の導光部との間に配された金属層、及び
前記半導体層と前記金属層との間に位置された誘電体層であって、前記電気接触子と前記第1の導光部が該誘電体層の中に設けられている誘電体層、
を備えた光学センサーであって、
前記金属層が、前記少なくとも1つの電気接触子と前記少なくとも1つの第1の導光部とを完全に覆っており、さらに前記金属層が、前記光学感知領域の上方に配され前記第1の導光部及び前記試料保持部と上下方向に並んだ開口部を有しており、前記半導電層が水平上面を有し、前記少なくとも1つの第1の導光部が、前記試料保持部と前記光学感知領域との間にあり、前記少なくとも1つの電気接触子及び前記少なくとも1つの第1の導光部が、前記水平上面と平行かつ該水平上面の上方の実質的に同じ水平面に延びていることを特徴とする光学センサー。 - 前記少なくとも1つの電気接触子と前記少なくとも1つの第1の導光部とが、同じ材料で形成されて成ることを特徴とする請求項14記載の光学センサー。
- 光学感知領域を有する半導電層、
前記光学感知領域の上方の試料保持部、
前記試料保持部からの発光を前記光学感知領域に誘導するように構成された導光構造、
前記試料保持部と前記導光構造との間に配された金属層、及び
前記半導体層と前記金属層との間に位置された誘電体層であって、前記導光構造が該誘電体層の中に設けられている誘電体層、
を備えた光学センサーであって、
前記金属層が、前記導光構造を完全に覆っており、さらに前記金属層が、前記光学感知領域の上方に配された開口部を有しており、前記導光構造が、前記半導電層の水平上面から延びる少なくとも1つの導光スペーサを有し、前記導光構造が、前記試料保持部の近傍に先細りの上端部を有して成り、
前記導光スペーサが、前記半導電層の水平上面から前記誘電体層を通って延びる壁であることを特徴とする光学センサー。 - 前記導光構造がリング状に配列された複数の導光スペーサを備えたことを特徴とする請求項16記載の光学センサー。
- 前記導光構造がリング状の誘導部を備えたことを特徴とする請求項16記載の光学センサー。
- 前記光学感知領域の上方に複数の誘電体層を備え、前記少なくとも1つの導光スペーサが前記複数の誘電体層にわたって延びていることを特徴とする請求項16記載の光学センサー。
- 前記導光構造が前記半導電層に対し傾斜した側壁を有し、前記半導電層の前記水平上面と前記側壁との間の挟角が約60度〜89.5度であることを特徴とする請求項16記載の光学センサー。
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