KR101002046B1 - 반도체소자의 제조방법 - Google Patents
반도체소자의 제조방법 Download PDFInfo
- Publication number
- KR101002046B1 KR101002046B1 KR1020030052668A KR20030052668A KR101002046B1 KR 101002046 B1 KR101002046 B1 KR 101002046B1 KR 1020030052668 A KR1020030052668 A KR 1020030052668A KR 20030052668 A KR20030052668 A KR 20030052668A KR 101002046 B1 KR101002046 B1 KR 101002046B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate electrode
- gate
- semiconductor device
- semiconductor substrate
- polysilicon layer
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 26
- 229920005591 polysilicon Polymers 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010405 reoxidation reaction Methods 0.000 claims abstract description 6
- 238000005468 ion implantation Methods 0.000 claims description 18
- 150000002500 ions Chemical class 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000000059 patterning Methods 0.000 abstract description 7
- 229910021332 silicide Inorganic materials 0.000 description 9
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- -1 nitrogen ions Chemical class 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (6)
- 반도체기판상에 게이트산화막을 형성하는 공정과,상기 게이트산화막 상에 다결정실리콘층을 포함하는 게이트전극을 형성하는 공정과,상기 게이트전극 양측의 반도체기판 상에 이온 주입에 의한 질소영역을 형성하는 공정과,상기 게이트 전극과 상기 질소영역 위에 희생산화막을 형성하는 공정을 구비하는 반도체소자의 제조방법.
- 삭제
- 제2항에 있어서, 상기 질소영역을 이온주입으로 형성하는 공정에서 N2+ 이온일때는 1∼50keV 의 에너지로 이온주입하고, N+ 이온은 1∼25keV 의 에너지로 이온주입하는 것을 특징으로하는 반도체소자의 제조방법.
- 제2항에 있어서, 상기 질소영역을 이온주입으로 형성하는 공정은 웨이퍼에 수직으로 전면 이온주입하여 형성하거나, 웨이퍼의 수직에 대하여 경사각 1∼30° 의 경사 이온주입을 실시하여 형성하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항, 제3항 및 제4항 중 어느 하나의 항에 있어서, 상기 질소영역에 의해 반도체기판이나 다결정실리콘층 표면에서의 산화가 억제되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1항에 있어서, 상기 희생산화막은 상기 반도체기판 및 다결정실리콘층 패턴의 손상을 보상하기 위하여 재산화 공정을 실시하여 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030052668A KR101002046B1 (ko) | 2003-07-30 | 2003-07-30 | 반도체소자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030052668A KR101002046B1 (ko) | 2003-07-30 | 2003-07-30 | 반도체소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050014176A KR20050014176A (ko) | 2005-02-07 |
KR101002046B1 true KR101002046B1 (ko) | 2010-12-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030052668A KR101002046B1 (ko) | 2003-07-30 | 2003-07-30 | 반도체소자의 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101002046B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000003475A (ko) * | 1998-06-29 | 2000-01-15 | 김영환 | 메모리소자 제조방법 |
KR100286073B1 (ko) * | 1996-05-20 | 2001-04-16 | 가네꼬 히사시 | 측벽막을 갖는 mosfet의 제조 방법 |
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2003
- 2003-07-30 KR KR1020030052668A patent/KR101002046B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100286073B1 (ko) * | 1996-05-20 | 2001-04-16 | 가네꼬 히사시 | 측벽막을 갖는 mosfet의 제조 방법 |
KR20000003475A (ko) * | 1998-06-29 | 2000-01-15 | 김영환 | 메모리소자 제조방법 |
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KR20050014176A (ko) | 2005-02-07 |
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