DE3128629A1 - Rueckaetzverfahren fuer integrierte schaltkreise - Google Patents
Rueckaetzverfahren fuer integrierte schaltkreiseInfo
- Publication number
- DE3128629A1 DE3128629A1 DE19813128629 DE3128629A DE3128629A1 DE 3128629 A1 DE3128629 A1 DE 3128629A1 DE 19813128629 DE19813128629 DE 19813128629 DE 3128629 A DE3128629 A DE 3128629A DE 3128629 A1 DE3128629 A1 DE 3128629A1
- Authority
- DE
- Germany
- Prior art keywords
- etched
- layer
- silicon
- back area
- silicon dioxide
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 46
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 81
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 51
- 229910052710 silicon Inorganic materials 0.000 claims description 51
- 239000010703 silicon Substances 0.000 claims description 51
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 47
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 47
- 235000012239 silicon dioxide Nutrition 0.000 claims description 40
- 239000000377 silicon dioxide Substances 0.000 claims description 40
- 239000000463 material Substances 0.000 claims description 23
- 238000005530 etching Methods 0.000 claims description 19
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 16
- 229920005591 polysilicon Polymers 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 9
- 239000002019 doping agent Substances 0.000 claims description 6
- 238000009388 chemical precipitation Methods 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 7
- 150000004767 nitrides Chemical class 0.000 description 5
- 238000000206 photolithography Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000009413 insulation 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
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 229910017855 NH 4 F Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 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 (1)
| Publication Number | Publication Date |
|---|---|
| DE3128629A1 true DE3128629A1 (de) | 1982-06-09 |
Family
ID=22621451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813128629 Ceased DE3128629A1 (de) | 1980-07-21 | 1981-07-20 | Rueckaetzverfahren fuer integrierte schaltkreise |
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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (10)
| 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 |
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2024608A1 (de) * | 1969-05-22 | 1970-11-26 | N.V. Philips* Gloeilampenfabrieken, Eindhoven (Niederlande) | Verfahren zum Ätzen unter Verwendung einer Ätzmaske, bei dem eine Unterätzung verhindert wird |
| DE2139631A1 (de) * | 1971-08-07 | 1973-03-01 | Itt Ind Gmbh Deutsche | Verfahren zum herstellen eines halbleiterbauelements |
| US3966514A (en) * | 1975-06-30 | 1976-06-29 | Ibm Corporation | Method for forming dielectric isolation combining dielectric deposition and thermal oxidation |
| DE2622790A1 (de) * | 1975-05-27 | 1976-12-09 | Fairchild Camera Instr Co | Verfahren und anordnung zur kantenaetzung fuer die herstellung schmaler oeffnungen zu materialoberflaechen |
| US4042726A (en) * | 1974-09-11 | 1977-08-16 | Hitachi, Ltd. | Selective oxidation method |
| DE2902665A1 (de) * | 1979-01-24 | 1980-08-07 | Siemens Ag | Verfahren zum herstellen von integrierten mos-schaltungen in silizium-gate- technologie |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1559608A (enExample) * | 1967-06-30 | 1969-03-14 | ||
| US3764865A (en) * | 1970-03-17 | 1973-10-09 | Rca Corp | Semiconductor devices having closely spaced contacts |
| US4124933A (en) * | 1974-05-21 | 1978-11-14 | U.S. Philips Corporation | Methods of manufacturing semiconductor devices |
| 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 |
| US4053349A (en) * | 1976-02-02 | 1977-10-11 | Intel Corporation | Method for forming a narrow gap |
| US4239559A (en) * | 1978-04-21 | 1980-12-16 | Hitachi, Ltd. | Method for fabricating a semiconductor device by controlled diffusion between adjacent layers |
-
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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2024608A1 (de) * | 1969-05-22 | 1970-11-26 | N.V. Philips* Gloeilampenfabrieken, Eindhoven (Niederlande) | Verfahren zum Ätzen unter Verwendung einer Ätzmaske, bei dem eine Unterätzung verhindert wird |
| DE2139631A1 (de) * | 1971-08-07 | 1973-03-01 | Itt Ind Gmbh Deutsche | Verfahren zum herstellen eines halbleiterbauelements |
| US4042726A (en) * | 1974-09-11 | 1977-08-16 | Hitachi, Ltd. | Selective oxidation method |
| DE2622790A1 (de) * | 1975-05-27 | 1976-12-09 | Fairchild Camera Instr Co | Verfahren und anordnung zur kantenaetzung fuer die herstellung schmaler oeffnungen zu materialoberflaechen |
| US3966514A (en) * | 1975-06-30 | 1976-06-29 | Ibm Corporation | Method for forming dielectric isolation combining dielectric deposition and thermal oxidation |
| DE2902665A1 (de) * | 1979-01-24 | 1980-08-07 | Siemens Ag | Verfahren zum herstellen von integrierten mos-schaltungen in silizium-gate- technologie |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1138064B (it) | 1986-09-10 |
| GB2081187B (en) | 1984-03-07 |
| FR2487125A1 (fr) | 1982-01-22 |
| FR2487125B1 (enExample) | 1984-04-20 |
| GB2081187A (en) | 1982-02-17 |
| US4318759A (en) | 1982-03-09 |
| JPS5787136A (en) | 1982-05-31 |
| IT8122944A0 (it) | 1981-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAV | Publication of unexamined application with consent of applicant | ||
| 8181 | Inventor (new situation) |
Free format text: TRENARY, DALE T., SAN JOSE, CALIF., US FREDERICK, ALLEN H., PACIFICA, CALIF., US WHELTON, ROBERT M., PARIDISE VALLEY, ARIZ., US |
|
| 8128 | New person/name/address of the agent |
Representative=s name: KOHLER, R., DIPL.-PHYS. SCHWINDLING, H., DIPL.-PHY |
|
| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |