CA1261785A - Method for control of etch profile - Google Patents
Method for control of etch profileInfo
- Publication number
- CA1261785A CA1261785A CA000504799A CA504799A CA1261785A CA 1261785 A CA1261785 A CA 1261785A CA 000504799 A CA000504799 A CA 000504799A CA 504799 A CA504799 A CA 504799A CA 1261785 A CA1261785 A CA 1261785A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- etching
- chf3
- opening
- silicon dioxide
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 50
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 25
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 25
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 24
- 238000005530 etching Methods 0.000 claims abstract description 23
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 claims description 26
- 238000001020 plasma etching Methods 0.000 claims description 14
- 239000004215 Carbon black (E152) Substances 0.000 claims description 13
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 5
- 229910052906 cristobalite Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 229910052682 stishovite Inorganic materials 0.000 description 5
- 229910052905 tridymite Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 101150023756 HSPA13 gene Proteins 0.000 description 1
- 241000206607 Porphyra umbilicalis Species 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000010849 ion bombardment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
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
- H01L21/30—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
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/730,976 US4671849A (en) | 1985-05-06 | 1985-05-06 | Method for control of etch profile |
| US730,976 | 1985-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1261785A true CA1261785A (en) | 1989-09-26 |
Family
ID=24937562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000504799A Expired CA1261785A (en) | 1985-05-06 | 1986-03-24 | Method for control of etch profile |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4671849A (enExample) |
| EP (1) | EP0201037B1 (enExample) |
| JP (1) | JPS61256724A (enExample) |
| CA (1) | CA1261785A (enExample) |
| DE (1) | DE3679933D1 (enExample) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68922474T2 (de) * | 1988-12-09 | 1996-01-11 | Philips Electronics Nv | Verfahren zum Herstellen einer integrierten Schaltung einschliesslich Schritte zum Herstellen einer Verbindung zwischen zwei Schichten. |
| US5174857A (en) * | 1990-10-29 | 1992-12-29 | Gold Star Co., Ltd. | Slope etching process |
| US5317938A (en) * | 1992-01-16 | 1994-06-07 | Duke University | Method for making microstructural surgical instruments |
| US5880036A (en) * | 1992-06-15 | 1999-03-09 | Micron Technology, Inc. | Method for enhancing oxide to nitride selectivity through the use of independent heat control |
| US5651855A (en) * | 1992-07-28 | 1997-07-29 | Micron Technology, Inc. | Method of making self aligned contacts to silicon substrates during the manufacture of integrated circuits |
| JP2787646B2 (ja) | 1992-11-27 | 1998-08-20 | 三菱電機株式会社 | 半導体装置の製造方法 |
| US5466626A (en) * | 1993-12-16 | 1995-11-14 | International Business Machines Corporation | Micro mask comprising agglomerated material |
| US6870272B2 (en) * | 1994-09-20 | 2005-03-22 | Tessera, Inc. | Methods of making microelectronic assemblies including compliant interfaces |
| US5842387A (en) * | 1994-11-07 | 1998-12-01 | Marcus; Robert B. | Knife blades having ultra-sharp cutting edges and methods of fabrication |
| US6040247A (en) * | 1995-01-10 | 2000-03-21 | Lg Semicon Co., Ltd. | Method for etching contact |
| US6284563B1 (en) * | 1995-10-31 | 2001-09-04 | Tessera, Inc. | Method of making compliant microelectronic assemblies |
| US6211572B1 (en) * | 1995-10-31 | 2001-04-03 | Tessera, Inc. | Semiconductor chip package with fan-in leads |
| KR0179792B1 (ko) * | 1995-12-27 | 1999-04-15 | 문정환 | 고밀도 플라즈마 식각장비를 이용한 슬로프 콘택 홀 형성방법 |
| KR0179791B1 (ko) * | 1995-12-27 | 1999-03-20 | 문정환 | 플래쉬 메모리 소자 및 그 제조방법 |
| US6033991A (en) * | 1997-09-29 | 2000-03-07 | Cypress Semiconductor Corporation | Isolation scheme based on recessed locos using a sloped Si etch and dry field oxidation |
| US6074957A (en) * | 1998-02-26 | 2000-06-13 | Micron Technology, Inc. | Methods of forming openings and methods of controlling the degree of taper of openings |
| AU2002220595A1 (en) | 2000-10-11 | 2002-04-22 | Koninklijke Philips Electronics N.V. | Scalable coding of multi-media objects |
| US20050161429A1 (en) * | 2002-02-07 | 2005-07-28 | Andrew Sauciunac | Non-symmetrical photo tooling and dual surface etching |
| RU2314905C2 (ru) | 2002-03-11 | 2008-01-20 | Бектон, Дикинсон Энд Компани | Способ изготовления хирургических лезвий (варианты) |
| US7387742B2 (en) * | 2002-03-11 | 2008-06-17 | Becton, Dickinson And Company | Silicon blades for surgical and non-surgical use |
| US20040087153A1 (en) * | 2002-10-31 | 2004-05-06 | Yan Du | Method of etching a silicon-containing dielectric material |
| US7355687B2 (en) * | 2003-02-20 | 2008-04-08 | Hunter Engineering Company | Method and apparatus for vehicle service system with imaging components |
| JP2006518944A (ja) * | 2003-02-25 | 2006-08-17 | テッセラ,インコーポレイテッド | バンプを有するボールグリッドアレー |
| US20050155955A1 (en) * | 2003-03-10 | 2005-07-21 | Daskal Vadim M. | Method for reducing glare and creating matte finish of controlled density on a silicon surface |
| US20090007436A1 (en) * | 2003-03-10 | 2009-01-08 | Daskal Vadim M | Silicon blades for surgical and non-surgical use |
| JP2007514457A (ja) * | 2003-09-17 | 2007-06-07 | ベクトン・ディキンソン・アンド・カンパニー | シリコンおよびその他の結晶質材料にルータを用いて直線状および非直線状の溝を作成するシステムおよび方法 |
| US20050211171A1 (en) * | 2004-03-26 | 2005-09-29 | Applied Materials, Inc. | Chemical vapor deposition plasma reactor having an ion shower grid |
| US7244474B2 (en) * | 2004-03-26 | 2007-07-17 | Applied Materials, Inc. | Chemical vapor deposition plasma process using an ion shower grid |
| US7695590B2 (en) * | 2004-03-26 | 2010-04-13 | Applied Materials, Inc. | Chemical vapor deposition plasma reactor having plural ion shower grids |
| US20050211547A1 (en) * | 2004-03-26 | 2005-09-29 | Applied Materials, Inc. | Reactive sputter deposition plasma reactor and process using plural ion shower grids |
| US20050211546A1 (en) * | 2004-03-26 | 2005-09-29 | Applied Materials, Inc. | Reactive sputter deposition plasma process using an ion shower grid |
| US7291360B2 (en) * | 2004-03-26 | 2007-11-06 | Applied Materials, Inc. | Chemical vapor deposition plasma process using plural ion shower grids |
| US7396484B2 (en) * | 2004-04-30 | 2008-07-08 | Becton, Dickinson And Company | Methods of fabricating complex blade geometries from silicon wafers and strengthening blade geometries |
| US8058156B2 (en) * | 2004-07-20 | 2011-11-15 | Applied Materials, Inc. | Plasma immersion ion implantation reactor having multiple ion shower grids |
| US7767561B2 (en) * | 2004-07-20 | 2010-08-03 | Applied Materials, Inc. | Plasma immersion ion implantation reactor having an ion shower grid |
| JP4484641B2 (ja) * | 2004-09-10 | 2010-06-16 | Okiセミコンダクタ株式会社 | 強誘電体メモリの製造方法 |
| EP1851798B1 (en) * | 2005-02-25 | 2016-08-03 | Tessera, Inc. | Microelectronic assemblies having compliancy |
| US7883631B2 (en) * | 2006-03-07 | 2011-02-08 | Tokyo Electron Limited | Plasma etching method, plasma etching apparatus, control program and computer-readable storage medium |
| US7749886B2 (en) * | 2006-12-20 | 2010-07-06 | Tessera, Inc. | Microelectronic assemblies having compliancy and methods therefor |
| US8196285B1 (en) * | 2008-12-17 | 2012-06-12 | Western Digital (Fremont), Llc | Method and system for providing a pole for a perpendicular magnetic recording head using a multi-layer hard mask |
| US8254060B1 (en) | 2009-04-17 | 2012-08-28 | Western Digital (Fremont), Llc | Straight top main pole for PMR bevel writer |
| US8225488B1 (en) | 2009-05-22 | 2012-07-24 | Western Digital (Fremont), Llc | Method for providing a perpendicular magnetic recording (PMR) pole |
| US9346672B1 (en) | 2009-08-04 | 2016-05-24 | Western Digital (Fremont), Llc | Methods for fabricating damascene write poles using ruthenium hard masks |
| US8298881B2 (en) | 2010-06-28 | 2012-10-30 | International Business Machines Corporation | Nanowire FET with trapezoid gate structure |
| US8525338B2 (en) | 2011-06-07 | 2013-09-03 | Tessera, Inc. | Chip with sintered connections to package |
| EP2819162B1 (en) | 2013-06-24 | 2020-06-17 | IMEC vzw | Method for producing contact areas on a semiconductor substrate |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1417085A (en) * | 1973-05-17 | 1975-12-10 | Standard Telephones Cables Ltd | Plasma etching |
| DE2658448C3 (de) * | 1976-12-23 | 1979-09-20 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Verfahren zum Ätzen einer auf einem Halbleiterkörper aufgebrachten Schicht aus Siliciumnitrid in einem Gasplasma |
| US4283249A (en) * | 1979-05-02 | 1981-08-11 | International Business Machines Corporation | Reactive ion etching |
| US4324611A (en) * | 1980-06-26 | 1982-04-13 | Branson International Plasma Corporation | Process and gas mixture for etching silicon dioxide and silicon nitride |
| JPS57164529A (en) * | 1981-04-03 | 1982-10-09 | Oki Electric Ind Co Ltd | Dry etching method |
| US4409319A (en) * | 1981-07-15 | 1983-10-11 | International Business Machines Corporation | Electron beam exposed positive resist mask process |
| JPS58197820A (ja) * | 1982-05-14 | 1983-11-17 | Nippon Telegr & Teleph Corp <Ntt> | プラズマエツチング方法 |
| US4417947A (en) * | 1982-07-16 | 1983-11-29 | Signetics Corporation | Edge profile control during patterning of silicon by dry etching with CCl4 -O2 mixtures |
| DE3306703A1 (de) * | 1983-02-25 | 1984-08-30 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von halbleitervorrichtungen |
| US4511430A (en) * | 1984-01-30 | 1985-04-16 | International Business Machines Corporation | Control of etch rate ratio of SiO2 /photoresist for quartz planarization etch back process |
| JPS60182136A (ja) * | 1984-02-29 | 1985-09-17 | Fujitsu Ltd | エツチング方法 |
| US4484979A (en) * | 1984-04-16 | 1984-11-27 | At&T Bell Laboratories | Two-step anisotropic etching process for patterning a layer without penetrating through an underlying thinner layer |
| JPS61114530A (ja) * | 1984-11-09 | 1986-06-02 | Oki Electric Ind Co Ltd | ドライエツチング方法及びその装置 |
-
1985
- 1985-05-06 US US06/730,976 patent/US4671849A/en not_active Expired - Lifetime
-
1986
- 1986-03-24 CA CA000504799A patent/CA1261785A/en not_active Expired
- 1986-04-04 JP JP61076856A patent/JPS61256724A/ja active Granted
- 1986-04-30 EP EP86105947A patent/EP0201037B1/en not_active Expired
- 1986-04-30 DE DE8686105947T patent/DE3679933D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0201037A2 (en) | 1986-11-12 |
| US4671849A (en) | 1987-06-09 |
| EP0201037A3 (en) | 1988-03-23 |
| EP0201037B1 (en) | 1991-06-26 |
| JPH0519977B2 (enExample) | 1993-03-18 |
| DE3679933D1 (de) | 1991-08-01 |
| JPS61256724A (ja) | 1986-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |