CN1467827A - 改良型掩膜式只读存储器工艺与元件 - Google Patents
改良型掩膜式只读存储器工艺与元件 Download PDFInfo
- Publication number
- CN1467827A CN1467827A CNA021605068A CN02160506A CN1467827A CN 1467827 A CN1467827 A CN 1467827A CN A021605068 A CNA021605068 A CN A021605068A CN 02160506 A CN02160506 A CN 02160506A CN 1467827 A CN1467827 A CN 1467827A
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- channel region
- implantation
- memory cell
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000008569 process Effects 0.000 title abstract description 6
- 239000004065 semiconductor Substances 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000002513 implantation Methods 0.000 claims description 34
- 238000005516 engineering process Methods 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 13
- 239000007943 implant Substances 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000059 patterning Methods 0.000 claims description 9
- 238000012163 sequencing technique Methods 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910015900 BF3 Inorganic materials 0.000 claims description 4
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 2
- 229910052785 arsenic Inorganic materials 0.000 claims 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical group [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims 2
- 238000010304 firing Methods 0.000 claims 2
- 229910052698 phosphorus Inorganic materials 0.000 claims 2
- 239000011574 phosphorus Substances 0.000 claims 2
- 150000002500 ions Chemical class 0.000 claims 1
- 230000000873 masking effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 19
- 230000008859 change Effects 0.000 description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- 238000001459 lithography Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 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
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/66583—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with initial gate mask or masking layer complementary to the prospective gate location, e.g. with dummy source and drain contacts
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect transistors
- H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
- H01L29/1041—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a non-uniform doping structure in the channel region surface
- H01L29/1045—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a non-uniform doping structure in the channel region surface the doping structure being parallel to the channel length, e.g. DMOS like
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/27—ROM only
- H10B20/30—ROM only having the source region and the drain region on the same level, e.g. lateral transistors
- H10B20/38—Doping programmed, e.g. mask ROM
- H10B20/383—Channel doping programmed
-
- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26586—Bombardment with radiation with high-energy radiation producing ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
-
- 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
- H01L29/66537—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using a self aligned punch through stopper or threshold implant under the gate region
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
- Read Only Memory (AREA)
Abstract
Description
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021605068A CN1225782C (zh) | 2002-12-27 | 2002-12-27 | 一种掩膜式只读存储器工艺与元件 |
US10/391,537 US6940135B2 (en) | 2002-12-27 | 2003-03-17 | Mask-ROM process and device to prevent punch through using a halo implant process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021605068A CN1225782C (zh) | 2002-12-27 | 2002-12-27 | 一种掩膜式只读存储器工艺与元件 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1467827A true CN1467827A (zh) | 2004-01-14 |
CN1225782C CN1225782C (zh) | 2005-11-02 |
Family
ID=29784846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021605068A Expired - Lifetime CN1225782C (zh) | 2002-12-27 | 2002-12-27 | 一种掩膜式只读存储器工艺与元件 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6940135B2 (zh) |
CN (1) | CN1225782C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1309053C (zh) * | 2004-03-26 | 2007-04-04 | 力晶半导体股份有限公司 | 闪速存储器的制造方法 |
WO2016119477A1 (zh) * | 2015-01-29 | 2016-08-04 | 无锡华润上华半导体有限公司 | 平板型rom器件的制备方法 |
CN110060724A (zh) * | 2019-04-09 | 2019-07-26 | 江苏东海半导体科技有限公司 | 一种掩膜存储器的读出结构 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6781867B2 (en) * | 2002-07-11 | 2004-08-24 | Micron Technology, Inc. | Embedded ROM device using substrate leakage |
KR100890613B1 (ko) * | 2007-01-26 | 2009-03-27 | 삼성전자주식회사 | 마스크롬 소자 및 그 제조 방법 |
CN102446718A (zh) * | 2011-09-08 | 2012-05-09 | 上海华力微电子有限公司 | 一种减小半导体器件热载流子注入损伤的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4649629A (en) * | 1985-07-29 | 1987-03-17 | Thomson Components - Mostek Corp. | Method of late programming a read only memory |
JP3355083B2 (ja) * | 1996-03-13 | 2002-12-09 | シャープ株式会社 | 半導体装置の製造方法 |
US6030871A (en) * | 1998-05-05 | 2000-02-29 | Saifun Semiconductors Ltd. | Process for producing two bit ROM cell utilizing angled implant |
-
2002
- 2002-12-27 CN CNB021605068A patent/CN1225782C/zh not_active Expired - Lifetime
-
2003
- 2003-03-17 US US10/391,537 patent/US6940135B2/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1309053C (zh) * | 2004-03-26 | 2007-04-04 | 力晶半导体股份有限公司 | 闪速存储器的制造方法 |
WO2016119477A1 (zh) * | 2015-01-29 | 2016-08-04 | 无锡华润上华半导体有限公司 | 平板型rom器件的制备方法 |
CN105990242A (zh) * | 2015-01-29 | 2016-10-05 | 无锡华润上华半导体有限公司 | 平板型rom器件的制备方法 |
CN110060724A (zh) * | 2019-04-09 | 2019-07-26 | 江苏东海半导体科技有限公司 | 一种掩膜存储器的读出结构 |
Also Published As
Publication number | Publication date |
---|---|
US20040126974A1 (en) | 2004-07-01 |
US6940135B2 (en) | 2005-09-06 |
CN1225782C (zh) | 2005-11-02 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING Effective date: 20111129 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20111129 Address after: 201203 No. 18 Zhangjiang Road, Shanghai Co-patentee after: Semiconductor Manufacturing International (Beijing) Corp. Patentee after: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) Corp. Address before: 201203 No. 18 Zhangjiang Road, Shanghai Patentee before: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) Corp. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20051102 |