JPS6244429B2 - - Google Patents
Info
- Publication number
- JPS6244429B2 JPS6244429B2 JP54134316A JP13431679A JPS6244429B2 JP S6244429 B2 JPS6244429 B2 JP S6244429B2 JP 54134316 A JP54134316 A JP 54134316A JP 13431679 A JP13431679 A JP 13431679A JP S6244429 B2 JPS6244429 B2 JP S6244429B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- substrate
- conductor layer
- bit
- region
- 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 claims description 54
- 238000009792 diffusion process Methods 0.000 claims description 37
- 239000000758 substrate Substances 0.000 claims description 28
- 239000004020 conductor Substances 0.000 claims description 26
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 83
- 229920002120 photoresistant polymer Polymers 0.000 description 26
- 238000005530 etching Methods 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 210000004027 cell Anatomy 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 7
- 230000003071 parasitic effect Effects 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005247 gettering Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- ZRUOTKQBVMWMDK-UHFFFAOYSA-N 2-hydroxy-6-methylbenzaldehyde Chemical compound CC1=CC=CC(O)=C1C=O ZRUOTKQBVMWMDK-UHFFFAOYSA-N 0.000 description 1
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 1
- 229910010277 boron hydride Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- XXTZHYXQVWRADW-UHFFFAOYSA-N diazomethanone Chemical compound [N]N=C=O XXTZHYXQVWRADW-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000001039 wet etching Methods 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
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
- H01L21/31055—Planarisation of the insulating layers involving a dielectric removal step the removal being a chemical etching step, e.g. dry etching
-
- 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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76832—Multiple layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/901—Capacitive junction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Semiconductor Memories (AREA)
- Static Random-Access Memory (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Local Oxidation Of Silicon (AREA)
- Semiconductor Integrated Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/973,219 US4222816A (en) | 1978-12-26 | 1978-12-26 | Method for reducing parasitic capacitance in integrated circuit structures |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5591158A JPS5591158A (en) | 1980-07-10 |
JPS6244429B2 true JPS6244429B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-09-21 |
Family
ID=25520641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13431679A Granted JPS5591158A (en) | 1978-12-26 | 1979-10-19 | Method of fabricating semiconductor device |
Country Status (4)
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4295924A (en) * | 1979-12-17 | 1981-10-20 | International Business Machines Corporation | Method for providing self-aligned conductor in a V-groove device |
JPS5793572A (en) * | 1980-12-03 | 1982-06-10 | Nec Corp | Manufacture of semiconductor device |
JPS59161069A (ja) * | 1983-03-04 | 1984-09-11 | Oki Electric Ind Co Ltd | Mos型半導体装置の製造方法 |
JPS6045057A (ja) * | 1983-08-23 | 1985-03-11 | Toshiba Corp | 固体撮像装置の製造方法 |
US4478679A (en) * | 1983-11-30 | 1984-10-23 | Storage Technology Partners | Self-aligning process for placing a barrier metal over the source and drain regions of MOS semiconductors |
US4594769A (en) * | 1984-06-15 | 1986-06-17 | Signetics Corporation | Method of forming insulator of selectively varying thickness on patterned conductive layer |
US5734188A (en) * | 1987-09-19 | 1998-03-31 | Hitachi, Ltd. | Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same |
DE68923301D1 (de) * | 1988-02-17 | 1995-08-10 | Fujitsu Ltd | Halbleiteranordnung mit einer dünnen isolierenden Schicht. |
US5214304A (en) * | 1988-02-17 | 1993-05-25 | Fujitsu Limited | Semiconductor device |
US5917211A (en) * | 1988-09-19 | 1999-06-29 | Hitachi, Ltd. | Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same |
US5589423A (en) * | 1994-10-03 | 1996-12-31 | Motorola Inc. | Process for fabricating a non-silicided region in an integrated circuit |
US6342681B1 (en) * | 1997-10-15 | 2002-01-29 | Avx Corporation | Surface mount coupler device |
DE19753782A1 (de) * | 1997-12-04 | 1999-06-10 | Inst Halbleiterphysik Gmbh | Verfahren zur Planarisierung von Silizium-Wafern |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3841926A (en) * | 1973-01-02 | 1974-10-15 | Ibm | Integrated circuit fabrication process |
CH573661A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-01-02 | 1976-03-15 | Ibm | |
US3976524A (en) * | 1974-06-17 | 1976-08-24 | Ibm Corporation | Planarization of integrated circuit surfaces through selective photoresist masking |
DE2547792C3 (de) * | 1974-10-25 | 1978-08-31 | Hitachi, Ltd., Tokio | Verfahren zur Herstellung eines Halbleiterbauelementes |
US3975220A (en) * | 1975-09-05 | 1976-08-17 | International Business Machines Corporation | Diffusion control for controlling parasitic capacitor effects in single FET structure arrays |
US4045594A (en) * | 1975-12-31 | 1977-08-30 | Ibm Corporation | Planar insulation of conductive patterns by chemical vapor deposition and sputtering |
DE2629996A1 (de) * | 1976-07-03 | 1978-01-05 | Ibm Deutschland | Verfahren zur passivierung und planarisierung eines metallisierungsmusters |
US4095251A (en) * | 1976-08-19 | 1978-06-13 | International Business Machines Corporation | Field effect transistors and fabrication of integrated circuits containing the transistors |
US4070501A (en) * | 1976-10-28 | 1978-01-24 | Ibm Corporation | Forming self-aligned via holes in thin film interconnection systems |
-
1978
- 1978-12-26 US US05/973,219 patent/US4222816A/en not_active Expired - Lifetime
-
1979
- 1979-10-19 JP JP13431679A patent/JPS5591158A/ja active Granted
- 1979-11-27 DE DE7979104724T patent/DE2963453D1/de not_active Expired
- 1979-11-27 EP EP79104724A patent/EP0012863B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0012863A3 (en) | 1980-10-15 |
EP0012863A2 (de) | 1980-07-09 |
US4222816A (en) | 1980-09-16 |
EP0012863B1 (de) | 1982-07-28 |
DE2963453D1 (en) | 1982-09-16 |
JPS5591158A (en) | 1980-07-10 |
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