JP2004111950A - デュアルダマシン工程 - Google Patents
デュアルダマシン工程 Download PDFInfo
- Publication number
- JP2004111950A JP2004111950A JP2003303596A JP2003303596A JP2004111950A JP 2004111950 A JP2004111950 A JP 2004111950A JP 2003303596 A JP2003303596 A JP 2003303596A JP 2003303596 A JP2003303596 A JP 2003303596A JP 2004111950 A JP2004111950 A JP 2004111950A
- Authority
- JP
- Japan
- Prior art keywords
- dual damascene
- damascene process
- interlayer insulating
- recessed region
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 65
- 230000009977 dual effect Effects 0.000 title claims abstract description 43
- 239000011229 interlayer Substances 0.000 claims abstract description 59
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 54
- 238000005530 etching Methods 0.000 claims abstract description 48
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 67
- 239000007789 gas Substances 0.000 claims description 28
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 26
- 239000004065 semiconductor Substances 0.000 claims description 20
- 239000011241 protective layer Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 11
- NJCQVAKYBOCUCS-UHFFFAOYSA-N [C].F Chemical compound [C].F NJCQVAKYBOCUCS-UHFFFAOYSA-N 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000002161 passivation Methods 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims 5
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 claims 3
- 229920002120 photoresistant polymer Polymers 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 6
- 239000012212 insulator Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 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
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
-
- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76802—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 dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76807—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 dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures
- H01L21/76808—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 dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures involving intermediate temporary filling with material
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
【解決手段】 この方法は、金属層間絶縁膜を貫通する第1リセスされた領域を下部保護膜で満たし、前記下部保護膜と前記金属層間絶縁膜とを同時にエッチングして前記第1リセスされた領域の上部に前記第1リセスされた領域よりも深さが浅くて、幅が広い第2リセスされた領域を形成し、前記下部保護膜に対して前記金属層間絶縁膜のエッチング選択比が0.5乃至1.5の値になるエッチングガスを使用する。したがって、副産物や酸化物柱の形成なしに、デュアルダマシン構造を形成することができる。
【選択図】 図7
Description
100 半導体基板
110 下部膜
120 層間絶縁膜
130 下部配線
150 第1エッチング阻止膜
170 下部金属層間絶縁膜
190 第2エッチング阻止膜
210 上部金属層間絶縁膜
220 第1リセスされた領域
250 下部保護膜
Claims (14)
- 下部配線を有する半導体基板の全面上に第1エッチング阻止膜、下部金属層間絶縁膜、第2エッチング阻止膜、及び上部金属層間絶縁膜を順次に形成し、
前記上部金属層間絶縁膜、前記第2エッチング阻止膜、及び前記下部金属層間絶縁膜を第1エッチングレシピを使用して連続してパターニングし、前記第1エッチング阻止膜の所定の領域を露出させる第1リセスされた領域を形成し、
前記第1リセスされた領域の内部及び前記上部金属層間絶縁膜上に平坦化した表面を有する下部保護膜を形成し、
前記下部保護膜及び前記上部金属層間絶縁膜を第2エッチングレシピを使用して連続してパターニングして、前記第1リセスされた領域と重畳され、前記第1リセスされた領域よりも広い幅を有する第2リセスされた領域を形成し、前記第2エッチングレシピは前記上部金属層間絶縁膜のエッチング選択比が前記下部保護膜に対して0.5乃至1.5であるエッチングガスを使用して実施して、前記第1リセスされた領域の底上に下部保護膜パターンを残し、
前記下部保護膜パターンを選択的に除去して前記第1エッチング阻止膜の前記所定の領域を露出させ、
少なくとも前記第1リセスされた領域により露出した前記第1エッチング阻止膜を除去して前記下部配線を露出させる、
ことを含むことを特徴とするデュアルダマシン工程。 - 前記上部及び下部金属層間絶縁膜はシリコンオキシカーバイドSiOC:Hからなることを特徴とする請求項1に記載のデュアルダマシン工程。
- 前記下部保護膜はHSQからなることを特徴とする請求項1に記載のデュアルダマシン工程。
- 前記第2エッチングレシピは高比フッ化炭素CVFWと低比フッ化炭素CXFYとの混合ガスをエッチングガスとして使用して進行することを特徴とする請求項1に記載のデュアルダマシン工程。
- 前記高比フッ化炭素の化学構造式CVFWにおいて、V/Wが0.5以上であることを特徴とする請求項4に記載のデュアルダマシン工程。
- 前記高比フッ化炭素はC4F6、C5F8、及びC4F8からなるグループより選択された一つの化合物であることを特徴とする請求項5に記載のデュアルダマシン工程。
- 前記低比フッ化炭素の化学構造式CXFYにおいて、X/Yが0.4以下であることを特徴とする請求項4に記載のデュアルダマシン工程。
- 前記低比フッ化炭素はCF4及びC2F6からなるグループより選択された一つの化合物であることを特徴とする請求項7に記載のデュアルダマシン工程。
- 前記低比フッ化炭素CXFYに対する前記高比フッ化炭素CVFWのガス流量比は0.5乃至1.5であることを特徴とする請求項4に記載のデュアルダマシン工程。
- 前記第2エッチングレシピは高比フッ化炭素CVFWとフッ化水素炭素CHTFUとの混合ガスをエッチングガスとして使用して進行することを特徴とする請求項1に記載のデュアルダマシン工程。
- 前記高比フッ化炭素の化学構造式CVFWにおいて、V/Wが0.5以上であることを特徴とする請求項10に記載のデュアルダマシン工程。
- 前記高比フッ化炭素はC4F6、C5F8、及びC4F8からなるグループより選択された一つの化合物であることを特徴とする請求項11に記載のデュアルダマシン工程。
- 前記フッ化水素炭素はCH3F、CH2F2、及びCHF3からなるグループより選択された一つの化合物であることを特徴とする請求項10に記載のデュアルダマシン工程。
- 前記高比フッ化炭素CVFWに対する前記フッ化水素炭素CHTFUのガス流量比は0.5乃至1.5であることを特徴とする請求項10に記載のデュアルダマシン工程。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0057192A KR100441685B1 (ko) | 2002-09-19 | 2002-09-19 | 듀얼 다마신 공정 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2004111950A true JP2004111950A (ja) | 2004-04-08 |
Family
ID=31987484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003303596A Pending JP2004111950A (ja) | 2002-09-19 | 2003-08-27 | デュアルダマシン工程 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7033944B2 (ja) |
JP (1) | JP2004111950A (ja) |
KR (1) | KR100441685B1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7541281B2 (en) | 2004-11-01 | 2009-06-02 | Nec Electronics Corporation | Method for manufacturing electronic device |
US7569478B2 (en) | 2005-08-25 | 2009-08-04 | Tokyo Electron Limited | Method and apparatus for manufacturing semiconductor device, control program and computer storage medium |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100632473B1 (ko) * | 2004-08-03 | 2006-10-09 | 삼성전자주식회사 | 염기성 물질 확산 장벽막을 사용하는 미세 전자 소자의듀얼 다마신 배선의 제조 방법 |
US7915735B2 (en) | 2005-08-05 | 2011-03-29 | Micron Technology, Inc. | Selective metal deposition over dielectric layers |
US20090093114A1 (en) * | 2007-10-09 | 2009-04-09 | Sean David Burns | Method of forming a dual-damascene structure using an underlayer |
KR100965031B1 (ko) * | 2007-10-10 | 2010-06-21 | 주식회사 하이닉스반도체 | 듀얼 다마신 공정을 이용한 반도체 소자의 제조 방법 |
US7910477B2 (en) * | 2007-12-28 | 2011-03-22 | Texas Instruments Incorporated | Etch residue reduction by ash methodology |
US9425093B2 (en) * | 2014-12-05 | 2016-08-23 | Tokyo Electron Limited | Copper wiring forming method, film forming system, and storage medium |
US10304725B2 (en) * | 2016-08-26 | 2019-05-28 | Tokyo Electron Limited | Manufacturing methods to protect ULK materials from damage during etch processing to obtain desired features |
TWI796358B (zh) * | 2017-09-18 | 2023-03-21 | 美商應用材料股份有限公司 | 選擇性蝕刻的自對準通孔製程 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4427083A (en) | 1979-10-23 | 1984-01-24 | Poldenvale Ltd. | Livestock weighing apparatus |
US4804052A (en) | 1987-11-30 | 1989-02-14 | Toledo Scale Corporation | Compensated multiple load cell scale |
US5734128A (en) | 1994-06-07 | 1998-03-31 | Bbbb's Distributing, Inc. | Weighing crate for livestock |
US5724267A (en) | 1996-07-02 | 1998-03-03 | Richards; James L. | Weight measuring apparatus using a plurality of sensors |
US6057239A (en) * | 1997-12-17 | 2000-05-02 | Advanced Micro Devices, Inc. | Dual damascene process using sacrificial spin-on materials |
US6340435B1 (en) * | 1998-02-11 | 2002-01-22 | Applied Materials, Inc. | Integrated low K dielectrics and etch stops |
US6329118B1 (en) * | 1999-06-21 | 2001-12-11 | Intel Corporation | Method for patterning dual damascene interconnects using a sacrificial light absorbing material |
KR100340061B1 (ko) * | 1999-06-30 | 2002-06-12 | 박종섭 | 반도체소자에서의 개선된 듀얼 대머신 공정 |
US6362093B1 (en) * | 1999-08-20 | 2002-03-26 | Taiwan Semiconductor Manufacturing Company | Dual damascene method employing sacrificial via fill layer |
JP3346475B2 (ja) * | 2000-01-18 | 2002-11-18 | 日本電気株式会社 | 半導体集積回路の製造方法、半導体集積回路 |
US6720249B1 (en) * | 2000-04-17 | 2004-04-13 | International Business Machines Corporation | Protective hardmask for producing interconnect structures |
KR100399064B1 (ko) * | 2000-06-30 | 2003-09-26 | 주식회사 하이닉스반도체 | 반도체 소자 제조방법 |
US6455411B1 (en) * | 2000-09-11 | 2002-09-24 | Texas Instruments Incorporated | Defect and etch rate control in trench etch for dual damascene patterning of low-k dielectrics |
US6629056B2 (en) | 2001-03-29 | 2003-09-30 | Hee Chul Han | Apparatus and method for measuring a weight load exerted by a leg of a lab animal |
KR20030002623A (ko) * | 2001-06-29 | 2003-01-09 | 주식회사 하이닉스반도체 | 다마신 공정을 이용한 반도체 소자의 제조방법 |
US6753250B1 (en) * | 2002-06-12 | 2004-06-22 | Novellus Systems, Inc. | Method of fabricating low dielectric constant dielectric films |
-
2002
- 2002-09-19 KR KR10-2002-0057192A patent/KR100441685B1/ko not_active IP Right Cessation
-
2003
- 2003-08-27 JP JP2003303596A patent/JP2004111950A/ja active Pending
- 2003-09-04 US US10/654,770 patent/US7033944B2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7541281B2 (en) | 2004-11-01 | 2009-06-02 | Nec Electronics Corporation | Method for manufacturing electronic device |
US7569478B2 (en) | 2005-08-25 | 2009-08-04 | Tokyo Electron Limited | Method and apparatus for manufacturing semiconductor device, control program and computer storage medium |
Also Published As
Publication number | Publication date |
---|---|
US7033944B2 (en) | 2006-04-25 |
US20040058538A1 (en) | 2004-03-25 |
KR100441685B1 (ko) | 2004-07-27 |
KR20040025287A (ko) | 2004-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6638871B2 (en) | Method for forming openings in low dielectric constant material layer | |
KR100653722B1 (ko) | 저유전막을 갖는 반도체소자의 제조방법 | |
KR100487948B1 (ko) | 이중 다마신 기술을 사용하여 비아콘택 구조체를 형성하는방법 | |
US7754601B2 (en) | Semiconductor interconnect air gap formation process | |
US7615494B2 (en) | Method for fabricating semiconductor device including plug | |
US8709942B2 (en) | Methods for fabricating semiconductor devices | |
JP2005026659A (ja) | フラッシュ素子のビットライン形成方法 | |
JP2004080044A (ja) | トレンチ側壁のバッファー層を使用して半導体装置用金属配線を形成する方法及びそれにより製造された装置 | |
TWI791850B (zh) | 保護低k層的方法 | |
JP2003045969A (ja) | デュアルダマシン工程を利用した配線形成方法 | |
KR100441685B1 (ko) | 듀얼 다마신 공정 | |
JP2010161166A (ja) | 配線の形成方法 | |
CN113053805B (zh) | 半导体结构的形成方法及半导体结构 | |
CN1661799B (zh) | 半导体器件 | |
TWI578440B (zh) | 導體插塞及其製造方法 | |
JP2005197692A (ja) | 半導体素子のデュアルダマシンパターン形成方法 | |
KR100780680B1 (ko) | 반도체 소자의 금속배선 형성방법 | |
KR20170012220A (ko) | 메모리 셀 및 소스 라인의 산화가 없는 마스킹층의 건식 에칭 방법 | |
KR100607323B1 (ko) | 반도체 소자의 금속배선 형성방법 | |
US20020072217A1 (en) | Method for improving contact reliability in semiconductor devices | |
US12068167B2 (en) | Self-aligned double patterning | |
KR20050046428A (ko) | 듀얼 다마신 공정을 이용한 반도체 소자의 형성 방법 | |
JP2009253246A (ja) | 半導体装置および半導体装置の製造方法 | |
KR100737701B1 (ko) | 반도체 소자의 배선 형성 방법 | |
KR101035396B1 (ko) | 반도체 장치의 패턴 형성 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060317 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080131 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091117 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100121 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100309 |