JP6195929B2 - 電磁波を検出するための少なくとも2つのウェハを有する装置、および、当該装置の製造方法 - Google Patents
電磁波を検出するための少なくとも2つのウェハを有する装置、および、当該装置の製造方法 Download PDFInfo
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- JP6195929B2 JP6195929B2 JP2015532345A JP2015532345A JP6195929B2 JP 6195929 B2 JP6195929 B2 JP 6195929B2 JP 2015532345 A JP2015532345 A JP 2015532345A JP 2015532345 A JP2015532345 A JP 2015532345A JP 6195929 B2 JP6195929 B2 JP 6195929B2
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- 229910052782 aluminium Inorganic materials 0.000 description 4
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Description
独国特許出願公開 DE 10 2008 043 735 A1 に、少なくとも2つのウェハ間のボンディング接合部の作製方法が記載されている。同刊行物に記載されている方法は、第1のボンディング材料を第1のウェハ上に設けるステップを含み、当該第1のボンディング材料としては、アルミニウムまたはアルミニウム合金が選択される。
本発明は、請求項1に記載の構成を有する、電磁波を検出するための、特に遠赤外線を検出するための少なくとも2つのウェハの構成体と、請求項14に記載の当該構成体の製造方法とを実現したものである。
本発明の思想は、1つのウェハに、評価回路が水平方向に集積され、かつ、ASIC構造とMEMS構造とが垂直方向に組み合わされるのを回避することである。というのも、これら両構造を非常に多くのマスクレベルにわたって一緒に処理すると、ウェハ全体の欠陥の確率が上昇するからである。
Claims (14)
- 電磁波を検知するための、2つのウェハ(120,110)の構成体(100)であって、
・第1のウェハ(120)は、センサアレイとして構成されたマイクロシステム(115)を有し、前記センサアレイは、複数のセンサ素子(115a)を含み、前記センサアレイは、電磁波を検出して、対応するセンサ信号を生成するように構成されており、前記第1のウェハ(120)は各センサ素子(115a)ごとに個別の空洞(126)を有し、
・第2のウェハ(110)は、前記センサアレイに接続された評価回路として構成された集積回路(105)を有し、当該集積回路(105)は、生成された前記センサ信号に基づいて、前記電磁波を検知するように構成されており、
・前記第1のウェハ(120)と前記第2のウェハ(110)とは上下にボンディング接合されており、
・前記第2のウェハ(110)は、前記センサアレイに対するキャップウェハとして構成されており、前記センサアレイが配置される別の空洞を有している
ことを特徴とする構成体(100)。 - 前記評価回路は回路アレイとして構成されている、
請求項1記載の構成体(100)。 - 前記センサアレイは、少なくとも1つのダイオードエレメント(116)のアレイとして構成されている、
請求項1または2記載の構成体(100)。 - 前記回路アレイと前記センサアレイとは、同様の形状に形成されている、
請求項2を引用する請求項3記載の構成体(100)。 - 前記少なくとも1つのダイオードエレメント(116)は、前記評価回路の少なくとも1つの処理ユニットに結合されている、
請求項3または4記載の構成体(100)。 - 前記少なくとも1つのダイオードエレメント(116)は、直列接続された複数のダイオードから構成されている、
請求項3から5までのいずれか1項記載の構成体(100)。 - 前記集積回路(105)は特定用途集積回路として構成されている、
請求項1から6までのいずれか1項記載の構成体(100)。 - 前記センサアレイは、電磁波を検出するためのマイクロボロメータアレイとして構成されている、請求項1から7までのいずれか1項記載の構成体(100)。
- 前記集積回路(105)は熱シールド(108)を有する、
請求項1から8までのいずれか1項記載の構成体(100)。 - 前記マイクロシステム(115)はゲッタ装置(118)を有する、
請求項1から9までのいずれか1項記載の構成体(100)。 - 前記第1のウェハ(120)はスルーコンタクト(124)を有する、
請求項1から10までのいずれか1項記載の構成体(100)。 - 前記第2のウェハ(110)はスルーコンタクトを有する、
請求項1から11までのいずれか1項記載の構成体(100)。 - 前記電磁波は、遠赤外線である、
請求項1から12までのいずれか1項記載の構成体(100)。 - 請求項1から13までのいずれか1項記載の、2つのウェハの構成体の製造方法であって、
・マイクロシステム(115)を有する第1のウェハ(120)と、集積回路(105)を有する第2のウェハ(110)とを準備するステップ(S1)と、
・前記第1のウェハ(12)と前記第2のウェハ(110)とにボンディング材料(180)を設けるステップ(S2)と、
・前記構成体を製造するために、前記ボンディング材料(180)が設けられた状態の前記第1のウェハ(120)と、前記ボンディング材料(180)が設けられた状態の前記第2のウェハ(110)とをボンディング接合するステップ(S3)と
を有することを特徴とする製造方法。
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DE102012216618.1A DE102012216618A1 (de) | 2012-09-18 | 2012-09-18 | Anordnung von mindestens zwei Wafern zum Detektieren von elektromagnetischer Strahlung und Verfahren zum Herstellen der Anordnung |
DE102012216618.1 | 2012-09-18 | ||
PCT/EP2013/066635 WO2014044463A1 (de) | 2012-09-18 | 2013-08-08 | Vorrichtung mit mindestens zwei wafern zum detektieren von elektromagnetischer strahlung und verfahren zum herstellen der vorrichtung |
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DE102015214586A1 (de) | 2015-07-31 | 2017-02-02 | Robert Bosch Gmbh | Strahlungssensor, Verfahren zur Detektion von Strahlung |
DE102015220271A1 (de) | 2015-10-19 | 2017-04-20 | Robert Bosch Gmbh | Magnetischer Temperatursensor, Verfahren zur Bestimmung einer Temperatur |
FR3055166B1 (fr) * | 2016-08-18 | 2020-12-25 | Commissariat Energie Atomique | Procede de connection intercomposants a densite optimisee |
DE102017206388A1 (de) * | 2017-04-13 | 2018-10-18 | Robert Bosch Gmbh | Verfahren zum Schutz einer MEMS-Einheit vor Infrarot-Untersuchungen sowie MEMS-Einheit |
US10923525B2 (en) | 2017-07-12 | 2021-02-16 | Meridian Innovation Pte Ltd | CMOS cap for MEMS devices |
US10403674B2 (en) | 2017-07-12 | 2019-09-03 | Meridian Innovation Pte Ltd | Scalable thermoelectric-based infrared detector |
FR3070096B1 (fr) * | 2017-08-08 | 2021-09-17 | Commissariat Energie Atomique | Procede de fabrication d'un dispositif de detection a deux substrats et un tel dispositif de detection |
CN111356907B (zh) | 2017-08-31 | 2023-06-23 | 芬兰国家技术研究中心股份公司 | 热探测器及热探测器阵列 |
CN113767063A (zh) | 2019-04-01 | 2021-12-07 | 迈瑞迪创新科技有限公司 | 互补金属氧化物-半导体和mems传感器的异质集成 |
WO2021005150A1 (de) * | 2019-07-09 | 2021-01-14 | Heimann Sensor Gmbh | Verfahren zum herstellen eines thermischen infrarot-sensor arrays in einem vakuumgefüllten waferlevel gehäuse |
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EP3875424A1 (en) * | 2020-03-05 | 2021-09-08 | Meridian Innovation Pte Ltd | Cmos cap for mems devices |
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