JP2022506166A - オプトエレクトロニクス半導体チップおよびオプトエレクトロニクス半導体チップの製造方法 - Google Patents
オプトエレクトロニクス半導体チップおよびオプトエレクトロニクス半導体チップの製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 167
- 230000005693 optoelectronics Effects 0.000 title claims abstract description 144
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 52
- 239000002800 charge carrier Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims description 21
- 238000009792 diffusion process Methods 0.000 claims description 20
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- 238000000151 deposition Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 190
- 229920002120 photoresistant polymer Polymers 0.000 description 27
- 239000002019 doping agent Substances 0.000 description 13
- 239000004020 conductor Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 230000006798 recombination Effects 0.000 description 6
- 238000005215 recombination Methods 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000009832 plasma treatment Methods 0.000 description 4
- 238000009827 uniform distribution Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000009828 non-uniform distribution Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000001311 chemical methods and process Methods 0.000 description 1
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- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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Abstract
Description
21 xドープ領域
22 yドープ領域
23 活性領域
24 xコンタクト領域
25 第1の領域
26 第2の領域
27 貫通孔
28 電気絶縁層
29 導電層
30 ビーム出射側
31 xコンタクト層
32 拡散層
33 カバー層
34 絶縁領域
35 yコンタクト層
36 表面
37 x側コンタクト
38 フォトレジスト
39 マスク
40 基板
41 キャリア
42 第1の電気的コンタクト
43 第2の電気的コンタクト
44 導電性材料
45 側壁
46 接続材料
x 横方向
z 垂直方向
Claims (18)
- オプトエレクトロニクス半導体チップ(20)であって、前記オプトエレクトロニクス半導体チップ(20)は、
・xドープ領域(21)と、
・yドープ領域(22)と、
・前記xドープ領域(21)と前記yドープ領域(22)との間に配置されている活性領域(23)と、
・xコンタクト領域(24)とを有しており、
・前記xコンタクト領域(24)は、前記活性領域(23)とは反対側に面する前記xドープ領域(21)の側に配置されており、
・前記xコンタクト領域(24)は、少なくとも1つの第1の領域(25)と、少なくとも1つの第2の領域(26)とを有しており、
・前記xコンタクト領域(24)は、前記オプトエレクトロニクス半導体チップ(20)の動作中に、前記第1の領域(25)を介してよりも、前記第2の領域(26)を介して、より多くの電荷キャリアが前記xドープ領域(21)に注入されるように構成されており、
・前記第1の領域(25)は第1の電気伝導率を有しており、前記第2の領域(26)は第2の電気伝導率を有しており、前記第1の電気伝導率は少なくとも、前記第2の電気伝導率の0.1パーセントである、
オプトエレクトロニクス半導体チップ(20)。 - 前記第1の電気伝導率は最大で、前記第2の電気伝導率の20パーセントである、請求項1記載のオプトエレクトロニクス半導体チップ(20)。
- 前記第1の領域(25)と前記第2の領域(26)とは同じ材料を有している、請求項1または2記載のオプトエレクトロニクス半導体チップ(20)。
- 前記第1の領域(25)と前記第2の領域(26)とは、横方向(x)において隣り合って配置されており、前記横方向(x)は、前記オプトエレクトロニクス半導体チップ(20)の主要延在面に対して平行に延在している、請求項1から3までのいずれか1項記載のオプトエレクトロニクス半導体チップ(20)。
- 前記xコンタクト領域(24)は、多数の第1の領域(25)および多数の第2の領域(26)を有している、請求項1から4までのいずれか1項記載のオプトエレクトロニクス半導体チップ(20)。
- 前記yドープ領域(22)の電気的なコンタクトのために、貫通孔(27)が、前記xドープ領域(21)および前記活性領域(23)を通って延在している、請求項5記載のオプトエレクトロニクス半導体チップ(20)。
- 横方向(x)における前記第2の領域(26)の大きさは、前記第2の領域(26)が前記貫通孔(27)から離れるほど大きくなり、前記横方向(x)は、前記オプトエレクトロニクス半導体チップ(20)の主要延在面に対して平行に延在している、請求項6記載のオプトエレクトロニクス半導体チップ(20)。
- 前記第1の領域(25)は、乱された結晶構造を有している、請求項1から7までのいずれか1項記載のオプトエレクトロニクス半導体チップ(20)。
- 前記第1の領域(25)は、電気絶縁層(28)を有している、請求項1から8までのいずれか1項記載のオプトエレクトロニクス半導体チップ(20)。
- 前記第1の領域(25)および前記第2の領域(26)は、第3の電気伝導率を有する導電層(29)を有しており、前記第3の電気伝導率は、前記yドープ領域(22)の前記電気伝導率より高い、請求項1から9までのいずれか1項記載のオプトエレクトロニクス半導体チップ(20)。
- 前記オプトエレクトロニクス半導体チップ(20)のビーム出射側(30)は、前記活性領域(23)とは反対側に面する前記yドープ領域(22)の側に配置されている、請求項1から10までのいずれか1項記載のオプトエレクトロニクス半導体チップ(20)。
- オプトエレクトロニクス半導体チップ(20)の製造方法であって、前記方法は、
・xドープ領域(21)とyドープ領域(22)との間に活性領域(23)を形成するために、前記xドープ領域(21)を前記yドープ領域(22)上に被着させるステップと、
・xコンタクト領域(24)を前記xドープ領域(21)上に被着させるステップとを含んでおり、
・前記xコンタクト領域(24)は、少なくとも1つの第1の領域(25)と、少なくとも1つの第2の領域(26)とを有しており、
・前記xコンタクト領域(24)は、前記オプトエレクトロニクス半導体チップ(20)の動作中に、前記第1の領域(25)を介してよりも、前記第2の領域(26)を介して、より多くの電荷キャリアが前記xドープ領域(21)に注入されるように構成されている、オプトエレクトロニクス半導体チップ(20)の製造方法。 - 前記第1の領域(25)をプラズマによって処理する、請求項12記載の方法。
- 前記第1の領域(25)において、電気絶縁層(28)を前記xドープ領域(21)上に被着させる、請求項12または13記載の方法。
- 前記第1の領域(25)および前記第2の領域(26)の上に、導電性のxコンタクト層(31)を被着させる、請求項12から14までのいずれか1項記載の方法。
- 前記xコンタクト領域(24)の前記被着前に、導電性のxコンタクト層(31)を、前記xドープ領域(21)上に被着させる、請求項12から15までのいずれか1項記載の方法。
- 前記第1の領域(25)において、導電層(29)を前記xコンタクト層(31)上に被着させ、次に前記導電層(29)および前記xコンタクト層(31)の上に拡散層(32)を被着させ、前記拡散層(32)は、酸化物を含んでいる、請求項16記載の方法。
- 前記拡散層(32)を除去し、カバー層(33)を前記導電層(29)および前記xコンタクト層(31)の上に被着させる、請求項17記載の方法。
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DE102018127201.4A DE102018127201A1 (de) | 2018-10-31 | 2018-10-31 | Optoelektronischer halbleiterchip und verfahren zur herstellung eines optoelektronischen halbleiterchips |
DE102018127201.4 | 2018-10-31 | ||
PCT/EP2019/076768 WO2020088877A1 (de) | 2018-10-31 | 2019-10-02 | Optoelektronischer halbleiterchip und verfahren zur herstellung eines optoelektronischen halbleiterchips |
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DE102015112538B4 (de) * | 2015-07-30 | 2023-08-03 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronisches Bauelement und ein Verfahren zur Herstellung eines optoelektronischen Bauelements |
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2018
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- 2019-10-02 DE DE112019005410.4T patent/DE112019005410A5/de active Pending
- 2019-10-02 JP JP2021523364A patent/JP7277580B2/ja active Active
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WO2020088877A1 (de) | 2020-05-07 |
DE112019005410A5 (de) | 2021-08-05 |
US20210399169A1 (en) | 2021-12-23 |
JP7277580B2 (ja) | 2023-05-19 |
KR102653810B1 (ko) | 2024-04-01 |
KR20210066003A (ko) | 2021-06-04 |
DE102018127201A1 (de) | 2020-04-30 |
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