JP6068954B2 - フォトダイオードアレイ - Google Patents
フォトダイオードアレイ Download PDFInfo
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- JP6068954B2 JP6068954B2 JP2012260066A JP2012260066A JP6068954B2 JP 6068954 B2 JP6068954 B2 JP 6068954B2 JP 2012260066 A JP2012260066 A JP 2012260066A JP 2012260066 A JP2012260066 A JP 2012260066A JP 6068954 B2 JP6068954 B2 JP 6068954B2
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- semiconductor region
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- semiconductor
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- photodiode array
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- 239000004065 semiconductor Substances 0.000 claims description 366
- 239000000758 substrate Substances 0.000 claims description 78
- 239000012535 impurity Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000002591 computed tomography Methods 0.000 description 8
- 238000005530 etching Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000001259 photo etching Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910014323 Lanthanum(III) bromide Inorganic materials 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- XKUYOJZZLGFZTC-UHFFFAOYSA-K lanthanum(iii) bromide Chemical compound Br[La](Br)Br XKUYOJZZLGFZTC-UHFFFAOYSA-K 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
- H10F77/206—Electrodes for devices having potential barriers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
- H10F30/21—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation
- H10F30/22—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes
- H10F30/221—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes the potential barrier being a PN homojunction
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
- H10F39/189—X-ray, gamma-ray or corpuscular radiation imagers
- H10F39/1898—Indirect radiation image sensors, e.g. using luminescent members
Landscapes
- Solid State Image Pick-Up Elements (AREA)
- Light Receiving Elements (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
図1に示されるように、フォトダイオードアレイ1は、例えばCT装置等に用いられる。フォトダイオードアレイ1は、半導体基板2に形成された複数のフォトダイオードPD1を備えている。
第1半導体領域3:厚さ50〜625μm/不純物濃度5×1011〜5×1015cm−3
第2半導体領域4:厚さ1.0〜10μm/不純物濃度1×1018〜1×1020cm−3
第3半導体領域5:厚さ0.01〜3.0μm/不純物濃度1×1018〜1×1020cm−3
第4半導体領域6:厚さ1.0〜10μm/不純物濃度1×1018〜1×1020cm−3
第5半導体領域7:厚さ1.0〜620μm/不純物濃度1×1018〜1×1020cm−3
次に、フォトダイオードアレイ1の製造方法の一例について説明する。
図13に示されるように、CT装置100は、前述のフォトダイオードアレイ1と、シンチレータ101と、実装基板102と、を具備している。
Claims (6)
- 半導体基板に形成された複数のフォトダイオードを備えるフォトダイオードアレイであって、
前記フォトダイオードのそれぞれは、
前記半導体基板に設けられた第1導電型の第1半導体領域と、
前記第1半導体領域に対して前記半導体基板の一方の面側に設けられ、前記第1半導体領域の不純物濃度よりも高い不純物濃度を有する前記第1導電型の第2半導体領域と、
前記第2半導体領域から離間して前記第2半導体領域を囲むように前記第1半導体領域に対して前記一方の面側に設けられ、前記第1半導体領域と共に光検出領域を構成する第2導電型の第3半導体領域と、
前記第1半導体領域及び前記第2半導体領域を通るように前記一方の面と前記半導体基板の他方の面との間を貫通する貫通孔内に設けられ、前記第3半導体領域と電気的に接続された貫通電極と、を有し、
前記第2半導体領域は、当該第2半導体領域を通る同一の前記貫通孔内に設けられた前記貫通電極と電気的に接続された前記第3半導体領域によって囲まれている、フォトダイオードアレイ。 - 前記第2半導体領域と前記第3半導体領域との間には、前記第2半導体領域を囲むように前記第1半導体領域の一部が存在している、請求項1記載のフォトダイオードアレイ。
- 前記第2半導体領域の内縁と外縁との間隔は、前記第2半導体領域の外縁と前記第3半導体領域の内縁との間隔よりも大きい、請求項1又は2記載のフォトダイオードアレイ。
- 前記第3半導体領域の内縁は、前記半導体基板の厚さ方向から見た場合に、前記他方の面側の前記貫通孔の開口を囲んでいる、請求項1〜3のいずれか一項記載のフォトダイオードアレイ。
- 前記フォトダイオードのそれぞれは、前記一方の面上に形成され、前記第3半導体領域と前記貫通電極とを電気的に接続させるコンタクト電極を含んでおり、
前記コンタクト電極の外縁は、前記半導体基板の厚さ方向から見た場合に、前記他方の面側の前記貫通孔の開口を囲んでいる、請求項1〜4のいずれか一項記載のフォトダイオードアレイ。 - 前記一方の面側の前記貫通孔の開口は、円形状を呈している、請求項1〜5のいずれか一項記載のフォトダイオードアレイ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012260066A JP6068954B2 (ja) | 2012-11-28 | 2012-11-28 | フォトダイオードアレイ |
US14/647,263 US10418496B2 (en) | 2012-11-28 | 2013-11-26 | Photodiode array |
CN201380050931.6A CN104685630B (zh) | 2012-11-28 | 2013-11-26 | 光电二极管阵列 |
PCT/JP2013/081788 WO2014084212A1 (ja) | 2012-11-28 | 2013-11-26 | フォトダイオードアレイ |
DE112013005690.9T DE112013005690T5 (de) | 2012-11-28 | 2013-11-26 | Fotodiodenanordnung |
TW102143588A TWI591808B (zh) | 2012-11-28 | 2013-11-28 | Photo diode array |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012260066A JP6068954B2 (ja) | 2012-11-28 | 2012-11-28 | フォトダイオードアレイ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014107445A JP2014107445A (ja) | 2014-06-09 |
JP2014107445A5 JP2014107445A5 (ja) | 2015-09-10 |
JP6068954B2 true JP6068954B2 (ja) | 2017-01-25 |
Family
ID=50827848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012260066A Active JP6068954B2 (ja) | 2012-11-28 | 2012-11-28 | フォトダイオードアレイ |
Country Status (6)
Country | Link |
---|---|
US (1) | US10418496B2 (ja) |
JP (1) | JP6068954B2 (ja) |
CN (1) | CN104685630B (ja) |
DE (1) | DE112013005690T5 (ja) |
TW (1) | TWI591808B (ja) |
WO (1) | WO2014084212A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6068955B2 (ja) * | 2012-11-28 | 2017-01-25 | 浜松ホトニクス株式会社 | フォトダイオードアレイ |
CN105914250B (zh) * | 2016-06-12 | 2017-05-03 | 中国科学院上海技术物理研究所 | 一种铟镓砷短波红外探测器 |
JP7179839B2 (ja) * | 2017-09-29 | 2022-11-29 | エーエスエムエル ネザーランズ ビー.ブイ. | 荷電粒子のためのマルチセル検出器 |
JP7341927B2 (ja) * | 2020-03-12 | 2023-09-11 | キオクシア株式会社 | 半導体記憶装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6541755B1 (en) * | 1998-11-25 | 2003-04-01 | Ricoh Company, Ltd. | Near field optical probe and manufacturing method thereof |
JP2001318155A (ja) * | 2000-02-28 | 2001-11-16 | Toshiba Corp | 放射線検出器、およびx線ct装置 |
GB2392307B8 (en) | 2002-07-26 | 2006-09-20 | Detection Technology Oy | Semiconductor structure for imaging detectors |
JP2004057507A (ja) * | 2002-07-29 | 2004-02-26 | Toshiba Corp | X線検出装置、貫通電極の製造方法及びx線断層撮影装置 |
WO2004030102A1 (ja) * | 2002-09-24 | 2004-04-08 | Hamamatsu Photonics K.K. | フォトダイオードアレイ及びその製造方法 |
US6853046B2 (en) * | 2002-09-24 | 2005-02-08 | Hamamatsu Photonics, K.K. | Photodiode array and method of making the same |
JP4440554B2 (ja) * | 2002-09-24 | 2010-03-24 | 浜松ホトニクス株式会社 | 半導体装置 |
JP4247017B2 (ja) * | 2003-03-10 | 2009-04-02 | 浜松ホトニクス株式会社 | 放射線検出器の製造方法 |
JP4220808B2 (ja) * | 2003-03-10 | 2009-02-04 | 浜松ホトニクス株式会社 | ホトダイオードアレイおよびその製造方法並びに放射線検出器 |
US7656001B2 (en) * | 2006-11-01 | 2010-02-02 | Udt Sensors, Inc. | Front-side illuminated, back-side contact double-sided PN-junction photodiode arrays |
US7655999B2 (en) * | 2006-09-15 | 2010-02-02 | Udt Sensors, Inc. | High density photodiodes |
US7057254B2 (en) * | 2003-05-05 | 2006-06-06 | Udt Sensors, Inc. | Front illuminated back side contact thin wafer detectors |
GB2449853B (en) * | 2007-06-04 | 2012-02-08 | Detection Technology Oy | Photodetector for imaging system |
US7791159B2 (en) * | 2007-10-30 | 2010-09-07 | Panasonic Corporation | Solid-state imaging device and method for fabricating the same |
JP4808760B2 (ja) * | 2008-11-19 | 2011-11-02 | 浜松ホトニクス株式会社 | 放射線検出器の製造方法 |
EP2346094A1 (en) * | 2010-01-13 | 2011-07-20 | FEI Company | Method of manufacturing a radiation detector |
EP2592661B8 (en) * | 2011-11-11 | 2019-05-22 | ams AG | Lateral avalanche photodiode device and method of production |
-
2012
- 2012-11-28 JP JP2012260066A patent/JP6068954B2/ja active Active
-
2013
- 2013-11-26 CN CN201380050931.6A patent/CN104685630B/zh active Active
- 2013-11-26 WO PCT/JP2013/081788 patent/WO2014084212A1/ja active Application Filing
- 2013-11-26 DE DE112013005690.9T patent/DE112013005690T5/de active Pending
- 2013-11-26 US US14/647,263 patent/US10418496B2/en active Active
- 2013-11-28 TW TW102143588A patent/TWI591808B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI591808B (zh) | 2017-07-11 |
US20150311358A1 (en) | 2015-10-29 |
WO2014084212A1 (ja) | 2014-06-05 |
DE112013005690T5 (de) | 2015-10-15 |
CN104685630B (zh) | 2018-02-09 |
US10418496B2 (en) | 2019-09-17 |
CN104685630A (zh) | 2015-06-03 |
JP2014107445A (ja) | 2014-06-09 |
TW201431051A (zh) | 2014-08-01 |
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