FR2487125A1 - Procede de formation de zones etroites dans des circuits integres, notamment pour la formation de grilles, l'isolement de composants, la formation de regions dopees et la fabrication de transistors - Google Patents
Procede de formation de zones etroites dans des circuits integres, notamment pour la formation de grilles, l'isolement de composants, la formation de regions dopees et la fabrication de transistors Download PDFInfo
- Publication number
- FR2487125A1 FR2487125A1 FR8114109A FR8114109A FR2487125A1 FR 2487125 A1 FR2487125 A1 FR 2487125A1 FR 8114109 A FR8114109 A FR 8114109A FR 8114109 A FR8114109 A FR 8114109A FR 2487125 A1 FR2487125 A1 FR 2487125A1
- Authority
- FR
- France
- Prior art keywords
- layer
- forming
- silicon
- region
- silica
- 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
- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000002955 isolation Methods 0.000 title claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 55
- 239000010703 silicon Substances 0.000 claims abstract description 55
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 47
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 40
- 239000000126 substance Substances 0.000 claims abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 24
- 238000009991 scouring Methods 0.000 claims description 17
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 15
- 238000005530 etching Methods 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 4
- 238000003486 chemical etching Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- -1 nitride nitride Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000000206 photolithography Methods 0.000 description 10
- 150000004767 nitrides Chemical class 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000005669 field effect Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 241001674048 Phthiraptera Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 235000012544 Viola sororia Nutrition 0.000 description 1
- 241001106476 Violaceae Species 0.000 description 1
- 239000012928 buffer substance Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28123—Lithography-related aspects, e.g. sub-lithography lengths; Isolation-related aspects, e.g. to solve problems arising at the crossing with the side of the device isolation; Planarisation aspects
- H01L21/2815—Lithography-related aspects, e.g. sub-lithography lengths; Isolation-related aspects, e.g. to solve problems arising at the crossing with the side of the device isolation; Planarisation aspects part or whole of the electrode is a sidewall spacer or made by a similar technique, e.g. transformation under mask, plating
-
- 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
- Y10S438/942—Masking
- Y10S438/947—Subphotolithographic processing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Element Separation (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Weting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/170,833 US4318759A (en) | 1980-07-21 | 1980-07-21 | Retro-etch process for integrated circuits |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2487125A1 true FR2487125A1 (fr) | 1982-01-22 |
| FR2487125B1 FR2487125B1 (enExample) | 1984-04-20 |
Family
ID=22621451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8114109A Granted FR2487125A1 (fr) | 1980-07-21 | 1981-07-20 | Procede de formation de zones etroites dans des circuits integres, notamment pour la formation de grilles, l'isolement de composants, la formation de regions dopees et la fabrication de transistors |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4318759A (enExample) |
| JP (1) | JPS5787136A (enExample) |
| DE (1) | DE3128629A1 (enExample) |
| FR (1) | FR2487125A1 (enExample) |
| GB (1) | GB2081187B (enExample) |
| IT (1) | IT1138064B (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2496982A1 (fr) | 1980-12-24 | 1982-06-25 | Labo Electronique Physique | Procede de fabrication de transistors a effet de champ, a grille auto-alignee, et transistors ainsi obtenus |
| US4546066A (en) * | 1983-09-27 | 1985-10-08 | International Business Machines Corporation | Method for forming narrow images on semiconductor substrates |
| US4631113A (en) * | 1985-12-23 | 1986-12-23 | Signetics Corporation | Method for manufacturing a narrow line of photosensitive material |
| US4906585A (en) * | 1987-08-04 | 1990-03-06 | Siemens Aktiengesellschaft | Method for manufacturing wells for CMOS transistor circuits separated by insulating trenches |
| DE3817326A1 (de) * | 1988-05-20 | 1989-11-30 | Siemens Ag | Verfahren zur herstellung von gitterstrukturen mit um eine halbe gitterperiode gegeneinander versetzten abschnitten |
| DE3915650A1 (de) * | 1989-05-12 | 1990-11-15 | Siemens Ag | Verfahren zur strukturierung einer auf einem halbleiterschichtaufbau angeordneten schicht |
| EP0518418A1 (en) * | 1991-06-10 | 1992-12-16 | Koninklijke Philips Electronics N.V. | Method of manufacturing a semiconductor device whereby field oxide regions are formed in a surface of a silicon body through oxidation |
| DE10052955A1 (de) * | 2000-10-25 | 2002-06-06 | Tesa Ag | Verwendung von Haftklebemassen mit anisotropen Eigenschaften für Stanzprodukte |
| US7569883B2 (en) | 2004-11-19 | 2009-08-04 | Stmicroelectronics, S.R.L. | Switching-controlled power MOS electronic device |
| ITMI20042243A1 (it) * | 2004-11-19 | 2005-02-19 | St Microelectronics Srl | Processo per la realizzazione di un dispositivo mos di potenza ad alta densita' di integrazione |
| FR2880471B1 (fr) * | 2004-12-31 | 2007-03-09 | Altis Semiconductor Snc | Procede de nettoyage d'un semiconducteur |
| CN111696912B (zh) * | 2019-03-12 | 2025-02-25 | 长鑫存储技术有限公司 | 半导体结构及其形成方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2312856A1 (fr) * | 1975-05-27 | 1976-12-24 | Fairchild Camera Instr Co | Procede de gravure des bords et structure pour produire des ouvertures etroites aboutissant a la surface de matieres |
| FR2316733A1 (fr) * | 1975-06-30 | 1977-01-28 | Ibm | Procede de fabrication de dispositifs a semi-conducteurs isoles dielectriquement |
| US4053349A (en) * | 1976-02-02 | 1977-10-11 | Intel Corporation | Method for forming a narrow gap |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1559608A (enExample) * | 1967-06-30 | 1969-03-14 | ||
| NL157662B (nl) * | 1969-05-22 | 1978-08-15 | Philips Nv | Werkwijze voor het etsen van een oppervlak onder toepassing van een etsmasker, alsmede voorwerpen, verkregen door toepassing van deze werkwijze. |
| US3764865A (en) * | 1970-03-17 | 1973-10-09 | Rca Corp | Semiconductor devices having closely spaced contacts |
| DE2139631C3 (de) * | 1971-08-07 | 1979-05-10 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Verfahren zum Herstellen eines Halbleiterbauelements, bei dem der Rand einer Diffusionszone auf den Rand einer polykristallinen Siliciumelektrode ausgerichtet ist |
| US4124933A (en) * | 1974-05-21 | 1978-11-14 | U.S. Philips Corporation | Methods of manufacturing semiconductor devices |
| JPS5131186A (enExample) * | 1974-09-11 | 1976-03-17 | Hitachi Ltd | |
| US4063992A (en) * | 1975-05-27 | 1977-12-20 | Fairchild Camera And Instrument Corporation | Edge etch method for producing narrow openings to the surface of materials |
| US4040168A (en) * | 1975-11-24 | 1977-08-09 | Rca Corporation | Fabrication method for a dual gate field-effect transistor |
| US4239559A (en) * | 1978-04-21 | 1980-12-16 | Hitachi, Ltd. | Method for fabricating a semiconductor device by controlled diffusion between adjacent layers |
| DE2902665A1 (de) * | 1979-01-24 | 1980-08-07 | Siemens Ag | Verfahren zum herstellen von integrierten mos-schaltungen in silizium-gate- technologie |
-
1980
- 1980-07-21 US US06/170,833 patent/US4318759A/en not_active Expired - Lifetime
-
1981
- 1981-07-15 IT IT22944/81A patent/IT1138064B/it active
- 1981-07-16 GB GB8121901A patent/GB2081187B/en not_active Expired
- 1981-07-20 DE DE19813128629 patent/DE3128629A1/de not_active Ceased
- 1981-07-20 FR FR8114109A patent/FR2487125A1/fr active Granted
- 1981-07-20 JP JP56113420A patent/JPS5787136A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2312856A1 (fr) * | 1975-05-27 | 1976-12-24 | Fairchild Camera Instr Co | Procede de gravure des bords et structure pour produire des ouvertures etroites aboutissant a la surface de matieres |
| FR2316733A1 (fr) * | 1975-06-30 | 1977-01-28 | Ibm | Procede de fabrication de dispositifs a semi-conducteurs isoles dielectriquement |
| US4053349A (en) * | 1976-02-02 | 1977-10-11 | Intel Corporation | Method for forming a narrow gap |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1138064B (it) | 1986-09-10 |
| GB2081187B (en) | 1984-03-07 |
| FR2487125B1 (enExample) | 1984-04-20 |
| GB2081187A (en) | 1982-02-17 |
| US4318759A (en) | 1982-03-09 |
| DE3128629A1 (de) | 1982-06-09 |
| JPS5787136A (en) | 1982-05-31 |
| IT8122944A0 (it) | 1981-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |