JP4568280B2 - クラック・ストップを形成する方法 - Google Patents
クラック・ストップを形成する方法 Download PDFInfo
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- JP4568280B2 JP4568280B2 JP2006522010A JP2006522010A JP4568280B2 JP 4568280 B2 JP4568280 B2 JP 4568280B2 JP 2006522010 A JP2006522010 A JP 2006522010A JP 2006522010 A JP2006522010 A JP 2006522010A JP 4568280 B2 JP4568280 B2 JP 4568280B2
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- edge seal
- crack stop
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- 238000000034 method Methods 0.000 title claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 40
- 230000004888 barrier function Effects 0.000 claims description 33
- 239000010949 copper Substances 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000003989 dielectric material Substances 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 238000005336 cracking Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- 238000002161 passivation Methods 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 2
- 239000011800 void material Substances 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/585—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries comprising conductive layers or plates or strips or rods or rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/562—Protection against mechanical damage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Dicing (AREA)
Description
Claims (7)
- アクティブ回路エリアを有する集積回路(IC)チップ用のクラック・ストップを形成するための方法において、前記ICチップが低K誘電体材料において自己パッシベーション酸化物層を形成しない金属相互接続を含み、吸湿バリア/エッジ・シールが前記ICチップの前記アクティブ回路エリアの外周エッジに沿って位置決めされ、前記クラック・ストップが、ウェハ上で実行されたダイシング操作中に前記ICチップの周辺エッジに沿って形成されたチッピングおよびクラッキングによって引き起こされた前記ICチップの前記アクティブ回路エリアに対する損傷を防止するために、前記ICチップの前記外周エッジに沿う前記吸湿バリア/エッジ・シールの外側に少なくとも1つのトレンチまたは溝によって形成され、前記方法が、
前記ウェハ上に前記ICチップを形成するステップと、
前記ICチップの前記アクティブ回路エリアの前記外周エッジの周りに境界を形成する一連の積層金属バイア構造を作成することにより、前記クラック・ストップおよび前記吸湿バリア/エッジ・シールを形成するステップと、
前記クラック・ストップの領域上にAl層を形成せずに前記ICチップの上に上部Al層を形成し、その後のウェット・エッチングから前記吸湿バリア/エッジ・シールの領域を保護するために、前記クラック・ストップの周辺部の内側の前記吸湿バリア/エッジ・シールの前記領域上に前記Al層を形成するステップと、
クラック・ストップとして前記少なくとも1つのトレンチまたは溝を形成するために、Alに対して選択的な前記金属相互接続および該金属相互接続に接する拡散バリア層を除去するウェット・エッチングで前記ウェハにエッチングを施すステップと、
を有する方法。 - 希釈H2SO4:H2O2:HFを有するウェット・エッチングで前記ウェハにエッチングを施すステップを含む、請求項1に記載の方法。
- 希釈H2SO4:H2O2を有するウェット・エッチングで前記ウェハにエッチングを施すステップを含む、請求項1に記載の方法。
- 前記金属相互接続を銅の相互接続として形成するステップを含む、請求項1に記載の方法。
- 前記金属相互接続を銀の相互接続として形成するステップを含む、請求項1に記載の方法。
- 前記ICチップの前記アクティブ回路エリアの周りの前記積層金属バイア構造により少なくとも1つの内部境界吸湿バリア/エッジ・シールを形成することにより前記吸湿バリア/エッジ・シールを形成するステップを含む、請求項1に記載の方法。
- 複数の金属相互接続およびバイア・バーを形成することにより前記積層金属バイア構造を形成するステップを含む、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/604,517 US20050026397A1 (en) | 2003-07-28 | 2003-07-28 | Crack stop for low k dielectrics |
PCT/US2004/024228 WO2005013330A2 (en) | 2003-07-28 | 2004-07-28 | Crack stop for low k dielectrics |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007500944A JP2007500944A (ja) | 2007-01-18 |
JP4568280B2 true JP4568280B2 (ja) | 2010-10-27 |
Family
ID=34103080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006522010A Expired - Fee Related JP4568280B2 (ja) | 2003-07-28 | 2004-07-28 | クラック・ストップを形成する方法 |
Country Status (7)
Country | Link |
---|---|
US (3) | US20050026397A1 (ja) |
EP (1) | EP1687850A4 (ja) |
JP (1) | JP4568280B2 (ja) |
KR (1) | KR100901230B1 (ja) |
CN (1) | CN100405585C (ja) |
TW (1) | TWI307922B (ja) |
WO (1) | WO2005013330A2 (ja) |
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EP1687850A4 (en) | 2008-06-25 |
US7335577B2 (en) | 2008-02-26 |
EP1687850A2 (en) | 2006-08-09 |
WO2005013330A3 (en) | 2005-08-11 |
US20060099775A1 (en) | 2006-05-11 |
TWI307922B (en) | 2009-03-21 |
WO2005013330A2 (en) | 2005-02-10 |
CN1830079A (zh) | 2006-09-06 |
TW200601491A (en) | 2006-01-01 |
KR20060119855A (ko) | 2006-11-24 |
JP2007500944A (ja) | 2007-01-18 |
US20080064189A1 (en) | 2008-03-13 |
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