JP4904702B2 - 固体撮像装置 - Google Patents
固体撮像装置 Download PDFInfo
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- JP4904702B2 JP4904702B2 JP2005068208A JP2005068208A JP4904702B2 JP 4904702 B2 JP4904702 B2 JP 4904702B2 JP 2005068208 A JP2005068208 A JP 2005068208A JP 2005068208 A JP2005068208 A JP 2005068208A JP 4904702 B2 JP4904702 B2 JP 4904702B2
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- pad electrode
- wiring
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- imaging device
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- 238000003384 imaging method Methods 0.000 title claims description 28
- 239000010410 layer Substances 0.000 claims description 38
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000010408 film Substances 0.000 description 53
- 229910052782 aluminium Inorganic materials 0.000 description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 17
- 239000004065 semiconductor Substances 0.000 description 17
- 239000000758 substrate Substances 0.000 description 9
- 229910001111 Fine metal Inorganic materials 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L24/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/0212—Auxiliary members for bonding areas, e.g. spacers
- H01L2224/02122—Auxiliary members for bonding areas, e.g. spacers being formed on the semiconductor or solid-state body
- H01L2224/02163—Auxiliary members for bonding areas, e.g. spacers being formed on the semiconductor or solid-state body on the bonding area
- H01L2224/02165—Reinforcing structures
- H01L2224/02166—Collar structures
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/04042—Bonding areas specifically adapted for wire connectors, e.g. wirebond pads
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0555—Shape
- H01L2224/05552—Shape in top view
- H01L2224/05554—Shape in top view being square
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/484—Connecting portions
- H01L2224/4845—Details of ball bonds
- H01L2224/48451—Shape
- H01L2224/48453—Shape of the interface with the bonding area
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
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- H01L2924/01033—Arsenic [As]
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- H01L2924/01074—Tungsten [W]
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- H—ELECTRICITY
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Wire Bonding (AREA)
- Solid State Image Pick-Up Elements (AREA)
Description
ワイヤボンディング時のボンディング温度は、90℃〜200℃の範囲がよい。好ましくは150℃とすることができる。90℃未満であると金属細線45がパッド電極25に接合し難い。200℃を越えるとカラーフィルタ46やマイクロレンズ47等の有機材の耐熱温度を越えてしまい好ましくない。
さらには、3層目の配線363上に別途アルミニウム膜を形成した積層膜でパッド電極を形成することも可能である。
また、パッド電極25に対して金属細線45を、90℃〜200℃のボンディング温度でワイヤボンディングすることにより、金属細線45のパッド電極25への接合を十分し、且つカラーフィルタ46。マイクロレンズ47にダメージを与えることがない。
Claims (3)
- 光電変換素子と複数のトランジスタで構成された複数の画素が配列してなる画素領域と
、
周辺回路と、パッド電極とを有し、
前記画素領域は、
前記複数の画素上に、上下層の配線間が該配線と異なる金属の接続部で接続され層間絶縁膜を介して形成された多層配線と、
前記多層配線上の平坦化膜上に順次形成されたオンチップカラーフィルタ及びオンチップマイクロレンズとを有し、
前記パッド電極は、
前記多層配線のうちの最上層の第1配線とその直下の層の第2配線が直接接続されるように積層された積層膜で形成され、
前記パッド電極においてのみ、前記第1配線が、前記層間絶縁膜における前記接続部のビアホール開口よりも広いパッド電極の大きさに対応した開口内に埋め込まれて前記第2配線に接続され、
前記パッド電極以外の領域に形成される接続部であって、前記パッド電極を構成する前記第1配線と同層に形成される接続部は、前記パッド電極を構成する第1配線と異なる材料で構成されている
ことを特徴とする固体撮像装置。 - 前記パッド電極の合計の膜厚が400nm〜1200nmである
ことを特徴とする請求項1記載の固体撮像装置。 - 前記パッド電極に、接合可能でかつ前記オンチップカラーフィルタ及び前記オンチップマイクロレンズの耐熱温度を越えない90℃〜200℃のボンディング温度でワイヤボンドされた金属細線を有する
請求項1又は2記載の固体撮像装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005068208A JP4904702B2 (ja) | 2005-03-10 | 2005-03-10 | 固体撮像装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005068208A JP4904702B2 (ja) | 2005-03-10 | 2005-03-10 | 固体撮像装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006253422A JP2006253422A (ja) | 2006-09-21 |
JP4904702B2 true JP4904702B2 (ja) | 2012-03-28 |
Family
ID=37093580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005068208A Expired - Fee Related JP4904702B2 (ja) | 2005-03-10 | 2005-03-10 | 固体撮像装置 |
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JP (1) | JP4904702B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100866255B1 (ko) | 2007-05-17 | 2008-10-30 | 주식회사 동부하이텍 | 이미지 센서 및 그 제조방법 |
KR100894391B1 (ko) | 2007-06-12 | 2009-04-20 | 주식회사 동부하이텍 | 이미지 센서 및 그 제조방법 |
US8344471B2 (en) | 2009-07-29 | 2013-01-01 | Taiwan Semiconductor Manufacturing Company, Ltd. | CMOS image sensor big via bonding pad application for AICu process |
US8502335B2 (en) * | 2009-07-29 | 2013-08-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | CMOS image sensor big via bonding pad application for AlCu Process |
JP5909852B2 (ja) * | 2011-02-23 | 2016-04-27 | ソニー株式会社 | 半導体装置の製造方法 |
JP2015103598A (ja) * | 2013-11-22 | 2015-06-04 | 富士フイルム株式会社 | 有機機能層付き基板およびその製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06163868A (ja) * | 1992-09-28 | 1994-06-10 | Sanyo Electric Co Ltd | ホトダイオード内蔵半導体装置 |
JP3324581B2 (ja) * | 1999-09-21 | 2002-09-17 | 日本電気株式会社 | 固体撮像装置及びその製造方法 |
JP3463014B2 (ja) * | 2000-01-14 | 2003-11-05 | シャープ株式会社 | 半導体装置および半導体装置の製造方法 |
JP4551603B2 (ja) * | 2002-03-11 | 2010-09-29 | ソニー株式会社 | 固体撮像素子及びその製造方法 |
KR100462757B1 (ko) * | 2002-03-14 | 2004-12-20 | 동부전자 주식회사 | 이미지 센서용 반도체 소자 제조 방법 |
JP4383959B2 (ja) * | 2003-05-28 | 2009-12-16 | キヤノン株式会社 | 光電変換装置およびその製造方法 |
-
2005
- 2005-03-10 JP JP2005068208A patent/JP4904702B2/ja not_active Expired - Fee Related
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JP2006253422A (ja) | 2006-09-21 |
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