FR2468185A1 - Procede de fabrication d'une matrice de memoire electriquement programmable a haute densite - Google Patents
Procede de fabrication d'une matrice de memoire electriquement programmable a haute densite Download PDFInfo
- Publication number
- FR2468185A1 FR2468185A1 FR8022291A FR8022291A FR2468185A1 FR 2468185 A1 FR2468185 A1 FR 2468185A1 FR 8022291 A FR8022291 A FR 8022291A FR 8022291 A FR8022291 A FR 8022291A FR 2468185 A1 FR2468185 A1 FR 2468185A1
- Authority
- FR
- France
- Prior art keywords
- lines
- regions
- contacts
- substrate
- forming
- 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
- 230000015654 memory Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 32
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 229920005591 polysilicon Polymers 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims abstract description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 17
- 238000005530 etching Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 7
- 238000005468 ion implantation Methods 0.000 claims description 4
- 239000002019 doping agent Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 27
- 239000011159 matrix material Substances 0.000 description 26
- 230000002093 peripheral effect Effects 0.000 description 10
- 230000000873 masking effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000002513 implantation Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 241000282575 Gorilla Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 210000003323 beak Anatomy 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000012777 commercial manufacturing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 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
- H01L21/70—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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
- H01L21/76213—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO introducing electrical inactive or active impurities in the local oxidation region, e.g. to alter LOCOS oxide growth characteristics or for additional isolation purpose
- H01L21/76216—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO introducing electrical inactive or active impurities in the local oxidation region, e.g. to alter LOCOS oxide growth characteristics or for additional isolation purpose introducing electrical active impurities in the local oxidation region for the sole purpose of creating channel stoppers
-
- 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
- H01L23/528—Layout of the interconnection structure
-
- 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
- H01L23/528—Layout of the interconnection structure
- H01L23/5283—Cross-sectional geometry
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8022291A FR2468185A1 (fr) | 1980-10-17 | 1980-10-17 | Procede de fabrication d'une matrice de memoire electriquement programmable a haute densite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8022291A FR2468185A1 (fr) | 1980-10-17 | 1980-10-17 | Procede de fabrication d'une matrice de memoire electriquement programmable a haute densite |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2468185A1 true FR2468185A1 (fr) | 1981-04-30 |
FR2468185B1 FR2468185B1 (enrdf_load_stackoverflow) | 1984-12-14 |
Family
ID=9247046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8022291A Granted FR2468185A1 (fr) | 1980-10-17 | 1980-10-17 | Procede de fabrication d'une matrice de memoire electriquement programmable a haute densite |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2468185A1 (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2543738A1 (fr) * | 1983-03-31 | 1984-10-05 | Ates Componenti Elettron | Procede pour l'auto-alignement d'une double couche de silicium polycristallin, dans un dispositif a circuit integre, au moyen d'une operation d'oxydation |
EP0144900A3 (en) * | 1983-11-28 | 1986-10-08 | Exel Microelectronics, Inc. | An electrically programmable memory device and a method for making the same |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2296914A1 (fr) * | 1974-12-30 | 1976-07-30 | Intel Corp | Dispositif de memoire a double-grille au silicium polycristallin |
FR2330146A1 (fr) * | 1975-10-29 | 1977-05-27 | Intel Corp | Procede de gravure a alignement automatique d'une couche double de silicium polycristallin |
FR2375692A1 (fr) * | 1976-12-27 | 1978-07-21 | Texas Instruments Inc | Memoire semi-conductrice a grilles flottantes, programmable electriquement |
GB2004414A (en) * | 1977-09-16 | 1979-03-28 | Fairchild Camera Instr Co | Insulated gate field-effect transistor read-only memory array |
FR2403624A1 (fr) * | 1977-09-16 | 1979-04-13 | Fairchild Camera Instr Co | Cellule de memoire inalterable a transistors a effet de champ a porte isolee |
US4151021A (en) * | 1977-01-26 | 1979-04-24 | Texas Instruments Incorporated | Method of making a high density floating gate electrically programmable ROM |
-
1980
- 1980-10-17 FR FR8022291A patent/FR2468185A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2296914A1 (fr) * | 1974-12-30 | 1976-07-30 | Intel Corp | Dispositif de memoire a double-grille au silicium polycristallin |
FR2330146A1 (fr) * | 1975-10-29 | 1977-05-27 | Intel Corp | Procede de gravure a alignement automatique d'une couche double de silicium polycristallin |
FR2375692A1 (fr) * | 1976-12-27 | 1978-07-21 | Texas Instruments Inc | Memoire semi-conductrice a grilles flottantes, programmable electriquement |
US4151021A (en) * | 1977-01-26 | 1979-04-24 | Texas Instruments Incorporated | Method of making a high density floating gate electrically programmable ROM |
GB2004414A (en) * | 1977-09-16 | 1979-03-28 | Fairchild Camera Instr Co | Insulated gate field-effect transistor read-only memory array |
FR2403624A1 (fr) * | 1977-09-16 | 1979-04-13 | Fairchild Camera Instr Co | Cellule de memoire inalterable a transistors a effet de champ a porte isolee |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2543738A1 (fr) * | 1983-03-31 | 1984-10-05 | Ates Componenti Elettron | Procede pour l'auto-alignement d'une double couche de silicium polycristallin, dans un dispositif a circuit integre, au moyen d'une operation d'oxydation |
EP0144900A3 (en) * | 1983-11-28 | 1986-10-08 | Exel Microelectronics, Inc. | An electrically programmable memory device and a method for making the same |
Also Published As
Publication number | Publication date |
---|---|
FR2468185B1 (enrdf_load_stackoverflow) | 1984-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |