JP6345519B2 - 半導体装置の製造方法 - Google Patents
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- Microelectronics & Electronic Packaging (AREA)
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Description
以下、図面を参照しながら本実施の形態1の半導体装置の構造および製造工程について詳細に説明する。本実施の形態1の半導体装置は、半導体基板の裏面側から光を入射する裏面照射型のCMOSイメージセンサである。
図1は、本実施の形態の半導体装置の要部断面図である。CMOSイメージセンサは、複数の画素を有しており、各画素には直列接続されたフォトダイオードPDと転送トランジスタTXが含まれている。図1には、一つの画素に含まれるフォトダイオードPDと転送トランジスタTXを示している。本実施の形態では、pnp型フォトダイオードPDとnチャネル型転送トランジスタTXの組合せ例について説明するが、npn型フォトダイオードとpチャネル型転送トランジスタの組合せとすることもできる。
次に、図2〜4および図1をもちいて、本実施の形態の半導体装置の製造方法を説明する。図2〜4は、本実施の形態の半導体装置の製造工程中の要部断面図である。
実施の形態2は、上記実施の形態1の変形例に相当している。実施の形態2では、実施の形態1の反応膜である絶縁膜ZM1が形成されていない。
実施の形態3は、上記実施の形態2の変形例に相当している。実施の形態3では、実施の形態2において、反応膜である絶縁膜ZM1が形成されている。
ZM1 絶縁膜
ZM2 絶縁膜
IV 反転層
TX 転送トランジスタ
PD フォトダイオード
M1 配線
Claims (11)
- (a)素子形成面と、前記素子形成面に対向する受光面と、前記素子形成面側に形成された転送トランジスタと、前記転送トランジスタに直列接続されたフォトダイオードと、前記素子形成面上に形成された配線と、を有するシリコンからなる半導体基板を準備する工程、
(b)前記半導体基板の前記受光面上に、第1アモルファス絶縁膜を形成する工程、
(c)前記第1アモルファス絶縁膜上に反射防止膜を形成する工程、
を有し、
前記(c)工程において、前記反射防止膜を、前記半導体基板の温度が250℃以上、かつ400℃以下となる成膜条件で形成するとともに、前記第1アモルファス絶縁膜と前記半導体基板の前記受光面との間に、前記シリコンと前記第1アモルファス絶縁膜との反応膜である前記シリコンを含有する第2アモルファス絶縁膜を形成する、半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、
前記第1アモルファス絶縁膜はPVD法により形成する、半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、
前記反射防止膜は酸化シリコン膜からなり、プラズマCVD法により形成する、半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、
前記第1アモルファス絶縁膜は、HfxOy、TaxOy、AlxOy、ZrxOyまたはTixOyからなる、半導体装置の製造方法。 - 請求項4記載の半導体装置の製造方法において、
前記第2アモルファス絶縁膜は、HfαSiβOγ、TaαSiβOγ、AlαSiβOγまたはTiαSiβOγからなる、半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、さらに、
(d)前記フォトダイオードの形成領域に対応する第1開口を有する遮光膜を形成する工程、
を有し、
前記遮光膜は、前記半導体基板の温度が400℃以下となる成膜条件で形成する、半導体装置の製造方法。 - 請求項6記載の半導体装置の製造方法において、
前記遮光膜は、PVD法で形成したアルミニウム膜からなる、半導体装置の製造方法。 - 請求項7記載の半導体装置の製造方法において、さらに、
(e)前記遮光膜を覆い、前記フォトダイオードの形成領域に対応する第2開口を有する保護膜を形成する工程、
を有し、
前記保護膜は、前記半導体基板の温度が400℃以下となる成膜条件で形成する、半導体装置の製造方法。 - 請求項8記載の半導体装置の製造方法において、
前記保護膜は窒化シリコン膜からなり、プラズマCVD法により形成する、半導体装置の製造方法。 - 請求項8記載の半導体装置の製造方法において、さらに、
(f)前記第2開口内に、カラーフィルタおよびマイクロレンズを形成する工程、
を有する、半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、
前記転送トランジスタは、ゲート電極、ソース領域およびドレイン領域を有し、前記ゲート電極は、前記素子形成面と前記配線との間に配置される、半導体装置の製造方法。
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JP2014141377A JP6345519B2 (ja) | 2014-07-09 | 2014-07-09 | 半導体装置の製造方法 |
US14/747,019 US20160013241A1 (en) | 2014-07-09 | 2015-06-23 | Semiconductor device and method of manufacturing same |
TW104120308A TW201613082A (en) | 2014-07-09 | 2015-06-24 | Semiconductor device and method of manufacturing same |
KR1020150096152A KR20160006619A (ko) | 2014-07-09 | 2015-07-06 | 반도체 장치 및 그 제조 방법 |
CN201510400938.7A CN105261625A (zh) | 2014-07-09 | 2015-07-09 | 半导体器件及其制造方法 |
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KR102424772B1 (ko) * | 2017-07-11 | 2022-07-25 | 주식회사 디비하이텍 | 후면 조사형 이미지 센서 및 그 제조 방법 |
US10714520B1 (en) * | 2017-08-04 | 2020-07-14 | Facebook Technologies, Llc | Manufacturing an on-chip microlens array |
JP6978893B2 (ja) * | 2017-10-27 | 2021-12-08 | キヤノン株式会社 | 光電変換装置、その製造方法及び機器 |
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JPH05151375A (ja) | 1991-11-28 | 1993-06-18 | Tokyo Electric Co Ltd | 加入者情報照会装置 |
JP4722501B2 (ja) * | 2004-01-29 | 2011-07-13 | 三星電子株式会社 | 半導体素子の多層誘電体構造物、半導体及びその製造方法 |
US20080102259A1 (en) * | 2006-10-26 | 2008-05-01 | Nikolov Anguel N | Oxide materials, articles, systems, and methods |
TWI413240B (zh) | 2007-05-07 | 2013-10-21 | Sony Corp | A solid-state imaging device, a manufacturing method thereof, and an image pickup device |
JP5151375B2 (ja) * | 2007-10-03 | 2013-02-27 | ソニー株式会社 | 固体撮像装置およびその製造方法および撮像装置 |
JP5136081B2 (ja) * | 2008-01-24 | 2013-02-06 | ソニー株式会社 | 固体撮像素子 |
JP5374980B2 (ja) * | 2008-09-10 | 2013-12-25 | ソニー株式会社 | 固体撮像装置 |
JP5521312B2 (ja) * | 2008-10-31 | 2014-06-11 | ソニー株式会社 | 固体撮像装置及びその製造方法、並びに電子機器 |
JP2011014673A (ja) * | 2009-07-01 | 2011-01-20 | Panasonic Corp | Soi基板とその製造方法およびそれを用いた固体撮像装置の製造方法 |
JP5050063B2 (ja) * | 2010-01-20 | 2012-10-17 | 株式会社東芝 | 固体撮像装置 |
KR101745638B1 (ko) * | 2011-01-12 | 2017-06-09 | 삼성전자 주식회사 | 광대역 갭 물질층 기반의 포토 다이오드 소자, 및 그 포토 다이오드 소자를 포함하는, 후면 조명 씨모스 이미지 센서 및 태양 전지 |
JP5481419B2 (ja) * | 2011-03-25 | 2014-04-23 | 株式会社東芝 | 半導体装置の製造方法 |
JP4872024B1 (ja) * | 2011-04-22 | 2012-02-08 | パナソニック株式会社 | 固体撮像装置およびその製造方法 |
JP5826511B2 (ja) * | 2011-04-26 | 2015-12-02 | 株式会社東芝 | 固体撮像装置及びその製造方法 |
JP5772329B2 (ja) * | 2011-07-19 | 2015-09-02 | ソニー株式会社 | 半導体装置の製造方法、半導体装置、電子機器 |
JP2013157422A (ja) * | 2012-01-30 | 2013-08-15 | Sony Corp | 固体撮像素子、固体撮像素子の製造方法、および電子機器 |
US10079257B2 (en) * | 2012-04-13 | 2018-09-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Anti-reflective layer for backside illuminated CMOS image sensors |
KR20140112793A (ko) * | 2013-03-14 | 2014-09-24 | 삼성전자주식회사 | 이미지 센서 및 그 제조 방법 |
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- 2015-06-24 TW TW104120308A patent/TW201613082A/zh unknown
- 2015-07-06 KR KR1020150096152A patent/KR20160006619A/ko unknown
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JP2016018920A (ja) | 2016-02-01 |
TW201613082A (en) | 2016-04-01 |
CN105261625A (zh) | 2016-01-20 |
US20160013241A1 (en) | 2016-01-14 |
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