JP4962837B2 - 赤外線センサの製造方法 - Google Patents
赤外線センサの製造方法 Download PDFInfo
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- JP4962837B2 JP4962837B2 JP2006049492A JP2006049492A JP4962837B2 JP 4962837 B2 JP4962837 B2 JP 4962837B2 JP 2006049492 A JP2006049492 A JP 2006049492A JP 2006049492 A JP2006049492 A JP 2006049492A JP 4962837 B2 JP4962837 B2 JP 4962837B2
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- infrared sensor
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- laser beam
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- 238000004519 manufacturing process Methods 0.000 title claims description 37
- 239000010409 thin film Substances 0.000 claims description 37
- 239000010408 film Substances 0.000 claims description 31
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims description 19
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 8
- 238000004544 sputter deposition Methods 0.000 claims description 8
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000001771 vacuum deposition Methods 0.000 claims description 3
- 238000000576 coating method Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/20—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
Description
図1(a)に示すように、読み出し回路が形成されたSi基板1上に赤外で反射率が高いWSi等の金属をスパッタ法で成膜して赤外線反射膜8とした。この赤外線反射膜8の作製には従来技術をそのまま用いた。次に、この赤外線反射膜8上に感光性ポリイミドを塗布し、リソグラフィーによりパターン加工するか、あるいは多結晶シリコン膜をCVD法により形成してパターン加工し、図示の形状の犠牲層9を形成した。
2 ブリッジ構造体
3 空隙
4 酸化バナジウム薄膜
4’ ボロメータ用抵抗体
5 配線
6 保護膜
8 赤外線反射膜
9 犠牲層
10 レーザ光
Claims (7)
- 赤外線の入射光を吸収することにより温度を変え、その温度変化により電気抵抗値を変えることによって該赤外線の放射強度の信号を読み出すボロメータ方式の赤外線センサの製造方法において、
絶縁基板上に絶縁材料によるブリッジ構造体を形成する工程と、
前記ブリッジ構造体上に、乾式成膜法により酸化バナジウム薄膜を形成する工程と、
形成された酸化バナジウム薄膜にレーザ光を照射することによりその材料特性を変化させ、電気抵抗率について1Ω・cm以下とする工程と、
材料特性の変化した酸化バナジウム薄膜を所定のパターンに形成する工程と、
所定のパターンに形成された酸化バナジウム薄膜及び前記ブリッジ構造体上を覆うように絶縁材料による保護層を形成する工程と、
を含むことを特徴とする赤外線センサの製造方法。 - 前記乾式成膜法が、スパッタリング法、真空蒸着法、CVD法のいずれかであることを特徴とする請求項1に記載の赤外線センサの製造方法。
- 前記ブリッジ構造体及び保護層がそれぞれ、CVD法により形成されたSiN薄膜、SiON薄膜のいずれかであることを特徴とする請求項1又は2に記載の赤外線センサの製造方法。
- 前記レーザ光として、波長157〜550nmの範囲のレーザ光を用いることを特徴とする請求項1〜3のいずれかに記載の赤外線センサの製造方法。
- 前記レーザ光の照射エネルギーが、10〜150mJ/cm2の範囲であることを特徴とする請求項1〜4のいずれかに記載の赤外線センサの製造方法。
- 前記レーザ光の照射を、基板温度350℃以下で行うことを特徴とする請求項1〜5のいずれかに記載の赤外線センサの製造方法。
- 前記レーザ光の照射を真空あるいは還元性の混合ガス雰囲気中で行うことを特徴とする請求項1〜6のいずれかに記載の赤外線センサの製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006049492A JP4962837B2 (ja) | 2006-02-27 | 2006-02-27 | 赤外線センサの製造方法 |
GB0703637A GB2435545B (en) | 2006-02-27 | 2007-02-23 | Infrared Sensor Manufacturing Method Suitable for Mass Production |
CNA200710084313XA CN101034011A (zh) | 2006-02-27 | 2007-02-27 | 适合于批量生产红外传感器的制造方法 |
US11/710,962 US7781030B2 (en) | 2006-02-27 | 2007-02-27 | Infrared sensor manufacturing method suitable for mass production |
US12/831,705 US20100276593A1 (en) | 2006-02-27 | 2010-07-07 | Infrared sensor manufactured by method suitable for mass production |
US15/141,239 US20160238453A1 (en) | 2006-02-27 | 2016-04-28 | Infrared sensor manufactured by method suitable for mass production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006049492A JP4962837B2 (ja) | 2006-02-27 | 2006-02-27 | 赤外線センサの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007225532A JP2007225532A (ja) | 2007-09-06 |
JP4962837B2 true JP4962837B2 (ja) | 2012-06-27 |
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JP2006049492A Active JP4962837B2 (ja) | 2006-02-27 | 2006-02-27 | 赤外線センサの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7781030B2 (ja) |
JP (1) | JP4962837B2 (ja) |
CN (1) | CN101034011A (ja) |
GB (1) | GB2435545B (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160238453A1 (en) * | 2006-02-27 | 2016-08-18 | Yuriko Mizuta | Infrared sensor manufactured by method suitable for mass production |
FR2941297B1 (fr) * | 2009-01-19 | 2011-02-11 | Commissariat Energie Atomique | Procede de fabrication d'un detecteur bolometrique |
JP2010219207A (ja) | 2009-03-16 | 2010-09-30 | Sony Corp | 金属−絶縁体相転移材料を用いた機能要素の形成方法及びこれによって形成された機能要素、並びに機能デバイスの製造方法及びこれによって製造された機能デバイス |
JP5299105B2 (ja) * | 2009-06-16 | 2013-09-25 | ソニー株式会社 | 二酸化バナジウムナノワイヤとその製造方法、及び二酸化バナジウムナノワイヤを用いたナノワイヤデバイス |
WO2011027774A1 (ja) * | 2009-09-03 | 2011-03-10 | 独立行政法人産業技術総合研究所 | ボロメータ用抵抗体膜 |
CN102315329B (zh) * | 2011-09-13 | 2013-05-22 | 烟台睿创微纳技术有限公司 | 一种热敏薄膜红外探测器制备方法 |
WO2015057517A1 (en) | 2013-10-17 | 2015-04-23 | Danisco Us Inc. | Use of hemicellulases to improve ethanol production |
US20150362374A1 (en) * | 2014-06-16 | 2015-12-17 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Atomic Layer Deposition of Vanadium Oxide for Microbolometer and Imager |
KR101607616B1 (ko) * | 2015-05-15 | 2016-03-30 | 부경대학교 산학협력단 | 메모리 저항 스위칭 방법 |
TWI725868B (zh) * | 2020-06-05 | 2021-04-21 | 高爾科技股份有限公司 | 熱敏電阻及基於該熱敏電阻之微輻射熱計 |
CN113764145A (zh) * | 2020-06-05 | 2021-12-07 | 高尔科技股份有限公司 | 热敏电阻及基于该热敏电阻的微辐射热计 |
CN113049634B (zh) * | 2021-03-19 | 2022-08-23 | 青岛芯笙微纳电子科技有限公司 | 一种基于热效应的微型气体传感器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5801383A (en) * | 1995-11-22 | 1998-09-01 | Masahiro Ota, Director General, Technical Research And Development Institute, Japan Defense Agency | VOX film, wherein X is greater than 1.875 and less than 2.0, and a bolometer-type infrared sensor comprising the VOX film |
JP3236860B2 (ja) * | 1996-10-29 | 2001-12-10 | 防衛庁技術研究本部長 | 熱型赤外線センサの製造方法 |
JP2001247958A (ja) * | 2000-03-07 | 2001-09-14 | Nec Corp | ボロメータ材料の作製方法及びボロメータ素子 |
JP4135857B2 (ja) * | 2001-03-27 | 2008-08-20 | 独立行政法人産業技術総合研究所 | 赤外線センサの製造方法 |
JP4911875B2 (ja) * | 2001-06-01 | 2012-04-04 | ハネウェル・インターナショナル・インコーポレーテッド | イオンビームスパッタ成膜法 |
KR100596196B1 (ko) * | 2004-01-29 | 2006-07-03 | 한국과학기술연구원 | 볼로메타용 산화물 박막 및 이를 이용한 적외선 감지소자 |
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2006
- 2006-02-27 JP JP2006049492A patent/JP4962837B2/ja active Active
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2007
- 2007-02-23 GB GB0703637A patent/GB2435545B/en active Active
- 2007-02-27 US US11/710,962 patent/US7781030B2/en active Active
- 2007-02-27 CN CNA200710084313XA patent/CN101034011A/zh active Pending
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2010
- 2010-07-07 US US12/831,705 patent/US20100276593A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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US20100276593A1 (en) | 2010-11-04 |
GB2435545A (en) | 2007-08-29 |
US20070272863A1 (en) | 2007-11-29 |
CN101034011A (zh) | 2007-09-12 |
GB0703637D0 (en) | 2007-04-04 |
US7781030B2 (en) | 2010-08-24 |
JP2007225532A (ja) | 2007-09-06 |
GB2435545B (en) | 2010-08-11 |
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