CN1855438A - 非挥发性存储器的制造方法 - Google Patents
非挥发性存储器的制造方法 Download PDFInfo
- Publication number
- CN1855438A CN1855438A CN 200510065587 CN200510065587A CN1855438A CN 1855438 A CN1855438 A CN 1855438A CN 200510065587 CN200510065587 CN 200510065587 CN 200510065587 A CN200510065587 A CN 200510065587A CN 1855438 A CN1855438 A CN 1855438A
- Authority
- CN
- China
- Prior art keywords
- layer
- memory cell
- dielectric layer
- substrate
- manufacture method
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 46
- 238000000034 method Methods 0.000 claims abstract description 108
- 229910052751 metal Inorganic materials 0.000 claims abstract description 84
- 239000002184 metal Substances 0.000 claims abstract description 84
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims abstract description 56
- 239000002131 composite material Substances 0.000 claims abstract description 37
- 230000008569 process Effects 0.000 claims abstract description 9
- 229920005591 polysilicon Polymers 0.000 claims description 57
- 239000000463 material Substances 0.000 claims description 41
- 229910021332 silicide Inorganic materials 0.000 claims description 33
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 12
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000005229 chemical vapour deposition Methods 0.000 claims description 10
- 238000004544 sputter deposition Methods 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 abstract 6
- 125000006850 spacer group Chemical group 0.000 abstract 2
- 210000000352 storage cell Anatomy 0.000 abstract 2
- 229910021419 crystalline silicon Inorganic materials 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 21
- 238000005516 engineering process Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910000449 hafnium oxide Inorganic materials 0.000 description 2
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 2
- 229910001936 tantalum oxide Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- -1 tungsten silicide Chemical compound 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
Images
Landscapes
- Semiconductor Memories (AREA)
Abstract
Description
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100655875A CN100378961C (zh) | 2005-04-18 | 2005-04-18 | 非挥发性存储器的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100655875A CN100378961C (zh) | 2005-04-18 | 2005-04-18 | 非挥发性存储器的制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1855438A true CN1855438A (zh) | 2006-11-01 |
CN100378961C CN100378961C (zh) | 2008-04-02 |
Family
ID=37195470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100655875A Active CN100378961C (zh) | 2005-04-18 | 2005-04-18 | 非挥发性存储器的制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100378961C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107305892A (zh) * | 2016-04-20 | 2017-10-31 | 硅存储技术公司 | 使用两个多晶硅沉积步骤来形成三栅极非易失性闪存单元对的方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100200713B1 (ko) * | 1996-06-25 | 1999-06-15 | 윤종용 | 반도체 장치의 제조 방법 |
US7190018B2 (en) * | 2003-04-07 | 2007-03-13 | Silicon Storage Technology, Inc. | Bi-directional read/program non-volatile floating gate memory cell with independent controllable control gates, and array thereof, and method of formation |
-
2005
- 2005-04-18 CN CNB2005100655875A patent/CN100378961C/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107305892A (zh) * | 2016-04-20 | 2017-10-31 | 硅存储技术公司 | 使用两个多晶硅沉积步骤来形成三栅极非易失性闪存单元对的方法 |
CN107305892B (zh) * | 2016-04-20 | 2020-10-02 | 硅存储技术公司 | 使用两个多晶硅沉积步骤来形成三栅极非易失性闪存单元对的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN100378961C (zh) | 2008-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1832147A (zh) | 制造快闪存储器的方法 | |
CN1812107A (zh) | 半导体器件和半导体器件的制造方法 | |
CN1820352A (zh) | 电容器结构及其形成方法 | |
CN1285121C (zh) | 用于制造闪存器件的方法 | |
CN100339978C (zh) | 快闪存储单元及其制造方法 | |
CN1855438A (zh) | 非挥发性存储器的制造方法 | |
CN1677678A (zh) | 快闪存储单元及其制造方法 | |
CN1674292A (zh) | 非挥发性存储单元及其制造方法 | |
CN1992287A (zh) | 闪存器件及其制造方法 | |
CN1674257A (zh) | 快闪存储器结构及其制作方法 | |
CN101064284A (zh) | 非易失性存储器的制造方法 | |
CN1165997C (zh) | 具有至少一个电容的集成电路及其制造方法 | |
CN1296987C (zh) | 接触孔的制造方法以及半导体元件的制造方法 | |
CN1542919A (zh) | 具有局部蚀刻栅极的半导体结构及其制作方法 | |
CN1291491C (zh) | 半导体元件及其制作方法 | |
CN100452362C (zh) | 非易失存储器及其制造方法 | |
CN1542975A (zh) | 半导体器件及其制造方法 | |
CN1917185A (zh) | 快闪存储器及其制造方法 | |
CN1855441A (zh) | 非挥发性存储器的制造方法 | |
CN1855443A (zh) | 非挥发性存储器及其制造方法 | |
CN1263139C (zh) | 内存元件的结构及其制造方法 | |
CN1897256A (zh) | 制造闪存设备的方法 | |
CN100343980C (zh) | 非挥发性存储元件及其制造方法 | |
CN1309047C (zh) | 非挥发性存储单元的制造方法 | |
CN1881566A (zh) | 非挥发性存储器及其制造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: POWERCHIP TECHNOLOGY CO., LTD. Free format text: FORMER NAME: POWERCHIP SEMICONDUCTOR CORP. |
|
CP03 | Change of name, title or address |
Address after: Hsinchu Science Park, Taiwan, China Patentee after: Powerflash Technology Corporation Address before: Hsinchu City, Taiwan, China Patentee before: Powerchip Semiconductor Corp. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20190626 Address after: Hsinchu Science Park, Taiwan, China Patentee after: Lijing Jicheng Electronic Manufacturing Co., Ltd. Address before: Hsinchu Science Park, Taiwan, China Patentee before: Powerflash Technology Corporation |
|
TR01 | Transfer of patent right |