KR100810411B1 - 반도체 소자의 소자 분리막 형성방법 - Google Patents
반도체 소자의 소자 분리막 형성방법 Download PDFInfo
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- KR100810411B1 KR100810411B1 KR1020060091733A KR20060091733A KR100810411B1 KR 100810411 B1 KR100810411 B1 KR 100810411B1 KR 1020060091733 A KR1020060091733 A KR 1020060091733A KR 20060091733 A KR20060091733 A KR 20060091733A KR 100810411 B1 KR100810411 B1 KR 100810411B1
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- ion implantation
- trench
- semiconductor substrate
- implantation process
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- 238000000034 method Methods 0.000 title claims abstract description 99
- 239000004065 semiconductor Substances 0.000 title claims abstract description 38
- 238000002955 isolation Methods 0.000 title claims abstract description 30
- 238000005468 ion implantation Methods 0.000 claims abstract description 60
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052796 boron Inorganic materials 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000007943 implant Substances 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000009792 diffusion process Methods 0.000 claims abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 14
- 239000011737 fluorine Substances 0.000 claims description 14
- 238000005530 etching Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 7
- 229920005591 polysilicon Polymers 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 150000002500 ions Chemical class 0.000 abstract description 7
- 238000005204 segregation Methods 0.000 abstract description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 3
- 229920001709 polysilazane Polymers 0.000 description 12
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 11
- 238000000137 annealing Methods 0.000 description 10
- 239000002019 doping agent Substances 0.000 description 7
- 238000005429 filling process Methods 0.000 description 4
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000005596 ionic collisions Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- 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
- H01L21/76—Making of isolation regions between components
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- 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
- H01L21/31058—After-treatment of organic layers
-
- 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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76237—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials introducing impurities in trench side or bottom walls, e.g. for forming channel stoppers or alter isolation behavior
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- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
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- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
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- 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
- H01L21/312—Organic layers, e.g. photoresist
- H01L21/3121—Layers comprising organo-silicon compounds
- H01L21/3125—Layers comprising organo-silicon compounds layers comprising silazane compounds
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- 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)
- Element Separation (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (15)
- 문턱 전압을 조절하기 위하여 반도체 기판 내에 제1 이온 주입 공정을 실시하는 단계;상기 반도체 기판 상부에 소자 분리 영역을 노출시키는 하드 마스크막을 형성하는 단계;상기 반도체 기판의 상기 소자 분리 영역을 식각하여 트렌치를 형성하는 단계;상기 문턱 전압 조절을 위해 주입된 불순물의 확산을 방지하기 위하여 상기 트렌치의 측벽에 제2 이온 주입 공정을 실시하는 단계; 및상기 트렌치가 매립되도록 상기 소자 분리 영역에 소자 분리막을 형성하는 단계를 포함하는 반도체 소자의 소자 분리막 형성방법.
- 제1항에 있어서,상기 제1 이온 주입 공정을 실시하기 전에,상기 반도체 기판 내에 TN-웰 이온 주입 공정 및 p-웰 이온 주입 공정을 실시하여 TN-웰 접합 및 p-웰 접합을 형성하는 단계를 더 포함하는 반도체 소자의 소자 분리막 형성방법.
- 제1항에 있어서,상기 하드 마스크막 아래에 버퍼 산화막 및 질화막이 적층 구조로 형성되는 반도체 소자의 소자 분리막 형성방법.
- 제3항에 있어서,상기 버퍼 산화막 아래에 터널 산화막 및 폴리실리콘막이 적층 구조로 형성되는 반도체 소자의 소자 분리막 형성방법.
- 제1항에 있어서, 상기 하드 마스크막을 형성한 후,상기 반도체 기판의 활성 영역 가장자리에 3가 불순물이 주입되도록 제3 이온 주입 공정을 실시하는 단계를 더 포함하는 반도체 소자의 소자 분리막 형성방법.
- 제5항에 있어서,상기 3가 불순물은 보론인 반도체 소자의 소자 분리막 형성방법.
- 제5항에 있어서,상기 제3 이온 주입 공정은 경사 이온 주입하는 반도체 소자의 소자 분리막 형성방법.
- 제6항에 있어서,상기 제3 이온 주입 공정은 5KeV 내지 50KeV의 이온 주입 에너지와 1E11ion/cm2 내지 1E14ion/cm2의 상기 보론을 주입하는 반도체 소자의 소자 분리막 형성방법.
- 제6항에 있어서,상기 제3 이온 주입 공정은 상기 반도체 기판을 90도씩 회전시키면서 3도 내지 30도의 각도로 상기 보론을 주입하는 반도체 소자의 소자 분리막 형성방법.
- 제1항에 있어서,상기 제2 이온 주입 공정은 플루오린 계열의 불활성 가스를 이용하는 반도체 소자의 소자 분리막 형성방법.
- 제10항에 있어서,상기 제2 이온 주입 공정은 5KeV 내지 50KeV의 이온 주입 에너지로 1E11ion/cm2 내지 1E14ion/cm2의 플루오린을 주입하는 반도체 소자의 소자 분리막 형성방법.
- 제10항에 있어서,상기 제2 이온 주입 공정은 상기 반도체 기판을 90도씩 회전시키면서 3도 내지 30도의 각도로 플루오린을 주입하는 반도체 소자의 소자 분리막 형성방법.
- 제1항에 있어서,상기 소자 분리막의 형성 공정은상기 트렌치가 매립되도록 전체 구조 상부에 SOD층을 형성하는 단계;상기 SOD층을 열처리하는 단계; 및열처리된 상기 SOD층이 상기 소자 분리 영역에만 잔류되도록 식각 공정을 실시하는 단계를 더 포함하는 반도체 소자의 소자 분리막 형성방법.
- 제13항에 있어서,상기 SOD층은 PSZ 물질로 형성하는 반도체 소자의 소자 분리막 형성방법.
- 제13항에 있어서,상기 열처리하는 단계는 100℃ 내지 1000℃의 온도에서 H2 또는 N2와 H2를 혼합한 혼합 가스를 이용하여 실시하는 반도체 소자의 소자 분리막 형성방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060091733A KR100810411B1 (ko) | 2006-09-21 | 2006-09-21 | 반도체 소자의 소자 분리막 형성방법 |
US11/614,084 US7429519B2 (en) | 2006-09-21 | 2006-12-21 | Method of forming isolation layer of semiconductor device |
JP2006353907A JP2008078600A (ja) | 2006-09-21 | 2006-12-28 | 半導体素子の素子分離膜形成方法 |
CNB2007100022903A CN100539068C (zh) | 2006-09-21 | 2007-01-17 | 形成半导体装置的隔离层的方法 |
Applications Claiming Priority (1)
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KR1020060091733A KR100810411B1 (ko) | 2006-09-21 | 2006-09-21 | 반도체 소자의 소자 분리막 형성방법 |
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KR100810411B1 true KR100810411B1 (ko) | 2008-03-04 |
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KR1020060091733A KR100810411B1 (ko) | 2006-09-21 | 2006-09-21 | 반도체 소자의 소자 분리막 형성방법 |
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Country | Link |
---|---|
US (1) | US7429519B2 (ko) |
JP (1) | JP2008078600A (ko) |
KR (1) | KR100810411B1 (ko) |
CN (1) | CN100539068C (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100075477A1 (en) * | 2008-09-22 | 2010-03-25 | Hynix Semiconductor Inc. | Method of Manufacturing Semiconductor Device |
CN102468213B (zh) * | 2010-11-19 | 2014-10-01 | 中国科学院微电子研究所 | 沟槽隔离结构及其形成方法 |
US20120276714A1 (en) * | 2011-04-28 | 2012-11-01 | Nanya Technology Corporation | Method of oxidizing polysilazane |
CN102201363A (zh) * | 2011-05-23 | 2011-09-28 | 上海宏力半导体制造有限公司 | 用于闪存器件的浅沟槽隔离结构形成方法 |
CN105161412B (zh) * | 2015-08-31 | 2018-01-26 | 上海华力微电子有限公司 | 一种晶圆边缘产品良率的改善方法 |
CN107785372A (zh) * | 2016-08-24 | 2018-03-09 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其制作方法、电子装置 |
CN110034013B (zh) * | 2018-01-12 | 2021-10-15 | 中芯国际集成电路制造(上海)有限公司 | 半导体装置的制造方法 |
EP4220697A1 (en) * | 2022-01-27 | 2023-08-02 | Infineon Technologies Austria AG | Semiconductor device with trench isolation structures in a transition region and method of manufacturing |
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2006
- 2006-09-21 KR KR1020060091733A patent/KR100810411B1/ko active IP Right Grant
- 2006-12-21 US US11/614,084 patent/US7429519B2/en active Active
- 2006-12-28 JP JP2006353907A patent/JP2008078600A/ja not_active Ceased
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- 2007-01-17 CN CNB2007100022903A patent/CN100539068C/zh active Active
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KR20040105194A (ko) * | 2003-06-05 | 2004-12-14 | 주식회사 하이닉스반도체 | 플래시 메모리 소자의 제조 방법 |
KR20050002488A (ko) * | 2003-06-30 | 2005-01-07 | 주식회사 하이닉스반도체 | 반도체 소자의 소자분리막 형성방법 |
KR20050071906A (ko) * | 2004-01-05 | 2005-07-08 | 매그나칩 반도체 유한회사 | 반도체 소자의 제조방법 |
JP2006140239A (ja) | 2004-11-11 | 2006-06-01 | Fuji Electric Device Technology Co Ltd | 半導体装置及びその製造方法 |
KR20060076370A (ko) * | 2004-12-29 | 2006-07-04 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
Also Published As
Publication number | Publication date |
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JP2008078600A (ja) | 2008-04-03 |
CN101150086A (zh) | 2008-03-26 |
US20080124894A1 (en) | 2008-05-29 |
CN100539068C (zh) | 2009-09-09 |
US7429519B2 (en) | 2008-09-30 |
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