WO2000075981A1 - Procede de fabrication d'un dispositif a semi-conducteurs - Google Patents
Procede de fabrication d'un dispositif a semi-conducteurs Download PDFInfo
- Publication number
- WO2000075981A1 WO2000075981A1 PCT/JP1999/002981 JP9902981W WO0075981A1 WO 2000075981 A1 WO2000075981 A1 WO 2000075981A1 JP 9902981 W JP9902981 W JP 9902981W WO 0075981 A1 WO0075981 A1 WO 0075981A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silicon
- film
- oxide film
- layer
- semiconductor device
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 38
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000004065 semiconductor Substances 0.000 title claims description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 54
- 239000010703 silicon Substances 0.000 claims abstract description 54
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 51
- 150000002500 ions Chemical class 0.000 claims abstract description 19
- 239000010408 film Substances 0.000 claims description 138
- 238000005530 etching Methods 0.000 claims description 32
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 20
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000005468 ion implantation Methods 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 239000003963 antioxidant agent Substances 0.000 claims description 11
- 230000003078 antioxidant effect Effects 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 238000001039 wet etching Methods 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910052785 arsenic Inorganic materials 0.000 claims description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 229910015900 BF3 Inorganic materials 0.000 claims description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 claims description 2
- 230000003064 anti-oxidating effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 13
- 238000009279 wet oxidation reaction Methods 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 210000003323 beak Anatomy 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000009991 scouring 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
- H01L21/70—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
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/84—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body
-
- 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
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1203—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
-
- 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
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76281—Lateral isolation by selective oxidation of silicon
Definitions
- the present invention relates to a method for manufacturing a semiconductor device for separating circuit element forming layers having different thicknesses on an insulating layer, and more particularly to a semiconductor device for separating silicon layers having different thicknesses in an SOI (silicon-on-insulator) structure.
- SOI silicon-on-insulator
- the present invention relates to a method for manufacturing a device. Background art
- Device isolation is performed by selectively oxidizing the circuit element formation layer to form a field oxide film.
- impurities in the circuit element formation portion for example, BF2 +, diffuse to the field oxide film side, and the impurity concentration at the edge becomes lower.
- the thickness becomes thinner than the region other than the edge portion of the element formation portion, and as a result, a leak current occurs at the edge portion where the field oxide film and the circuit element formation region are in contact.
- FIGS. 3A to 3C A method for manufacturing a semiconductor device for separating such silicon layers having different thicknesses will be described with reference to FIGS. 3A to 3C.
- a process of forming a field oxide film once and removing the field oxide film will be described.
- a silicon film layer 2 having a different thickness is formed on the silicon oxide film layer 1, and then a silicon oxide film layer (Si ⁇ 2 ) 3 is laminated.
- a silicon nitride film layer (Si 3 N 4 ) 4 is laminated on the silicon oxide film layer 3 by using an LP (low pressure) CVD method. After that, the silicon nitride film layer 4 is patterned into a predetermined shape by using a resist as a mask.
- the silicon nitride film layer 4 is used as a mask, and wet oxidation is selectively performed.
- wet oxidation field silicon oxide film layers 5a and 5b having different thicknesses are formed.
- wet etching of the field silicon oxide films 5a and 5b is performed by using an etchant in which hydrofluoric acid (HF) and water are mixed at a ratio of 1:19.
- HF hydrofluoric acid
- the boundary between silicon film layer 2 and silicon oxide film layer 1 is exposed.
- silicon layers 2a and 2b having different thicknesses are formed as separated circuit elements.
- the field silicon oxide film layers 5a and 5b are etched, even the underlying silicon oxide film layer 1 made of the same material as the field silicon oxide film layers 5a and 5b may be etched.
- the thickness of the field silicon oxide film layers 5a and 5b is proportional to the thickness of the silicon layer 2 to be oxidized. It will be. For this reason, in the wet etching process as shown in FIG. 3C, if the wet etching is performed by adjusting the etching time to the thicker field silicon oxide film layer 5a, the thinner field silicon oxide film layer is formed. The silicon oxide film layer 1 below the film layer 5b is also etched, resulting in scuffing. This undercut is an underetch down to the lower surface of the silicon layer 2b, so that a good device is formed on the silicon layer 2b. I can't do it. Disclosure of the invention
- an object of the present invention is to provide a method for manufacturing a highly reliable semiconductor device by eliminating scouring of an underlayer made of substantially the same material as that of a field oxide film, improving the yield.
- the present invention also relates to a method for manufacturing a semiconductor device for separating a circuit element forming layer having a different thickness on an insulating layer, the method comprising a plurality of steps having different thicknesses partitioned by a step on the insulating layer.
- Forming a circuit element formation layer of the above forming an antioxidant film in each of the regions having different thicknesses, and oxidizing the circuit element formation layer using the antioxidant film as a mask.
- 900 after the ion implantation. You can anneal at C or higher.
- the insulating layer may be a silicon oxide film
- the circuit element forming layer may be a silicon layer
- the field oxide film may be a silicon oxide film
- the insulating layer may be formed on a silicon substrate.
- the oxidation preventing film may be a silicon nitride film.
- boron fluoride BF2 +
- argon Ar10
- arsenic As +
- P + phosphorus
- the step of etching the field oxide film may be a wet etching using an etching solution in which HF and water are mixed.
- a substrate is prepared in which an insulating layer is formed, and a silicon layer having a substantially uniform thickness is formed on the insulating layer, and oxidation prevention is performed on the silicon layer in the thick region.
- the method may include a step of etching the oxide film formed by the oxidizing step and a step of removing the antioxidant film.
- a thin oxide film may be further formed between the silicon layer and the antioxidant film.
- the method may further include, after the step of etching the field oxide films having different thicknesses, a step of implanting ions into an edge portion of the circuit element formation layer exposed by the etching.
- FIGS. 1A to 1E are process diagrams illustrating a method for manufacturing a semiconductor device according to the present invention, following FIGS. 1A to 1E.
- 3A to 3C are process diagrams showing a conventional method for manufacturing a semiconductor device.
- a method for forming silicon layers having different thicknesses will be described.
- the following example shows the case where a silicon layer having a thickness of 145 nm and lOnm is formed, respectively.
- an SOI substrate having a silicon oxide film layer 1 formed on a silicon single crystal substrate and a silicon single crystal layer 2 formed thereon is prepared.
- the SOI substrate used is Canon ELTRAN.
- the process of FIG. 1A will be described.
- the time is formed under the condition of 6 minutes.
- a silicon nitride film layer (Si 3 N 4 ) 12 having a thickness of 140 nm is laminated on the silicon oxide film layer 11.
- This lamination is performed using an LP (low pressure) CVD method, for example, a deposition temperature of 760.
- C SiH 2 Cl 2 gas 20 sccm, NH 3 gas 220 sccm, deposition time 140 minutes.
- the silicon nitride film layer 12 is patterned into a predetermined shape using a resist as a mask. That is, patterning is performed so that the silicon nitride film layer 12 is left in a portion of the silicon film layer 10 where the film thickness is to be increased.
- wet etching is selectively performed.
- This wet oxidation is performed, for example, under the conditions of an oxidation temperature of 1000 ° C., a hydrogen gas of 8 liters / minute, an oxygen gas of 4.5 liters Z, and an oxidation time of 35 minutes.
- the term “wet oxidation” used herein is used when a large amount of a hydrogen gas component is contained, and in contrast to this, there is an expression such as dry oxidation with a small amount of a hydrogen gas component.
- the silicon nitride film layer 12 and the silicon oxide film layer 11 are removed.
- an aqueous solution H 3 P0 4 is dissolved to 90%, temperature 160 ° C, as a condition of removal time 90 minutes, to remove the silicon nitride film layer 12 and the silicon oxide film layer 11.
- a silicon oxide film layer (Si ⁇ 2 ) 3 having a thickness of 20 nm is formed on each region of the silicon film layer 2 having a different thickness, for example, at an oxidation temperature of 950 ° C, hydrogen gas at 5 liters / min, and oxygen gas at 10 liters. / Min, oxidation time 6 minutes.
- a silicon nitride film layer (Si 3 N 4 ) 4 having a thickness of 140 nm is laminated on the silicon oxide film layer 3.
- This lamination uses LP (low pressure) CVD, for example, deposition temperature 760.
- C SiH 2 Cl 2 gas 20 sccm, NH 3 gas 220 sccm, deposition time 140 minutes.
- a patterned silicon nitride film layer 4 is formed on each of the silicon film layers 2a and 2b having a different thickness.
- the silicon film layer 2 in the unmasked region is oxidized, and the field silicon oxide film layers 5a, 5b having different thicknesses of 290 nm and 200 nm on both sides of the step A. Is formed.
- the following steps are for explaining the steps for removing the field silicon oxide film layers 5a and 5b.
- a 1300 nm thick resist 6 is applied over the entire surface including the field silicon oxide film layers 5a and 5b. Then, one side of the region is exposed to a mask, and the resist 6 is removed only on the field silicon oxide film layer 5a side.
- ions are implanted using an ion implantation apparatus, for example, under the conditions of an acceleration energy of 65 keV and a dose of 7.5 ⁇ 10 14 / cm 2 .
- ion implantation apparatus for example, under the conditions of an acceleration energy of 65 keV and a dose of 7.5 ⁇ 10 14 / cm 2 .
- argon (Ar +), arsenic (As +), phosphorus (P +), or the like can also be used.
- an annealing process is performed. This annealing is performed, for example, under the conditions of a temperature of 950 ° C., 15 liters of nitrogen gas for Z minutes, and an annealing time of 20 minutes.
- Field silicon oxide layer 5a, 5 Etch b This etching is performed, for example, using an etching solution in which hydrofluoric acid (HF) and water are mixed at a ratio of 1:19, under the conditions of an etching time of 11.8 minutes. By this etching, the boundary between the silicon film layer 2 and the silicon oxide film layer 1 is exposed. Note that etching may be performed without performing annealing treatment.
- etching may be performed without performing annealing treatment.
- the silicon nitride film layer 4 on each of the silicon film layers 2a and 2b is removed.
- an aqueous solution H 3 P0 4 is dissolved to 90%, temperature 160 ° C, as a condition of removal time 90 minutes, to remove the silicon nitride film layer 4.
- the process of FIG. 2D will be described.
- the resist 3 film is patterned so that only the edge portions of the silicon film layers are exposed in the silicon film layers 2a and 2b and the other silicon film layers are covered.
- the edge portion of the silicon layer indicates a region where the thickness of the silicon film layer is thinner than the central portion.
- the thickness of the resist 3 is 1300 nm.
- ion implantation for threshold adjustment is performed on the silicon film layers 2a and 2b.
- the ions to be implanted are BF2 +.
- ions are implanted using an ion implanter under the conditions of, for example, a kaolin speed energy of 35 keV and a dose of 3.0 ⁇ 10 12 Zcm 2 .
- gate oxide films 4a and 4b and polysilicon gates 4a and 4b are formed, and a MOS transistor is formed.
- Table 1 shows a comparison of the etching rate between the case where BF2 + ions are implanted into the field silicon oxide film layers 5a and 5b and the case where ion implantation is not performed.
- etching conditions an etching solution obtained by mixing hydrofluoric acid (HF) and water at a ratio of 1:19 as described above was used. ⁇ [Table 1]
- the annealing process is performed.
- the etching rate becomes about four times faster.
- ion implantation is performed on the thick field silicon oxide film layer 5a, Silicon oxide film
- the layer 5b was set not to perform ion implantation.
- the etching speed of the thin field silicon oxide film layer 5b is slow, while the thick field silicon oxide film layer 5 into which ions are implanted is used.
- the etching speed can be increased, when the etching reaches the surface of the silicon oxide film 1, both the field silicon oxide film layers 5a and 5b can be simultaneously and equally removed. Therefore, the phenomenon that even the silicon oxide film layer 1 below the thin silicon film layer 2b side as shown in FIG. 3C of the conventional example can be eliminated.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Element Separation (AREA)
- Local Oxidation Of Silicon (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-7001443A KR100383702B1 (ko) | 1999-06-03 | 1999-06-03 | 반도체 장치의 제조 방법 |
DE19983426T DE19983426B4 (de) | 1999-06-03 | 1999-06-03 | Verfahren zum Herstellen einer Halbleitervorrichtung mit getrennten Schaltungselementausbildungsschichten unterschiedlicher Dicken |
US09/762,056 US6387741B1 (en) | 1999-06-03 | 1999-06-03 | Manufacturing a semiconductor device with isolated circuit-element formation layers of different thicknesses |
PCT/JP1999/002981 WO2000075981A1 (fr) | 1999-06-03 | 1999-06-03 | Procede de fabrication d'un dispositif a semi-conducteurs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1999/002981 WO2000075981A1 (fr) | 1999-06-03 | 1999-06-03 | Procede de fabrication d'un dispositif a semi-conducteurs |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000075981A1 true WO2000075981A1 (fr) | 2000-12-14 |
Family
ID=14235890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/002981 WO2000075981A1 (fr) | 1999-06-03 | 1999-06-03 | Procede de fabrication d'un dispositif a semi-conducteurs |
Country Status (4)
Country | Link |
---|---|
US (1) | US6387741B1 (ja) |
KR (1) | KR100383702B1 (ja) |
DE (1) | DE19983426B4 (ja) |
WO (1) | WO2000075981A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6355580B1 (en) | 1998-09-03 | 2002-03-12 | Micron Technology, Inc. | Ion-assisted oxidation methods and the resulting structures |
US6855436B2 (en) * | 2003-05-30 | 2005-02-15 | International Business Machines Corporation | Formation of silicon-germanium-on-insulator (SGOI) by an integral high temperature SIMOX-Ge interdiffusion anneal |
US6846727B2 (en) * | 2001-05-21 | 2005-01-25 | International Business Machines Corporation | Patterned SOI by oxygen implantation and annealing |
JP2004152962A (ja) * | 2002-10-30 | 2004-05-27 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
KR100489802B1 (ko) * | 2002-12-18 | 2005-05-16 | 한국전자통신연구원 | 고전압 및 저전압 소자의 구조와 그 제조 방법 |
FR2872958B1 (fr) * | 2004-07-12 | 2008-05-02 | Commissariat Energie Atomique | Procede de fabrication d'un film mince structure et film mince obtenu par un tel procede |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5461488A (en) * | 1977-10-26 | 1979-05-17 | Cho Lsi Gijutsu Kenkyu Kumiai | Method of fabricating semiconductor |
JPS57196543A (en) * | 1981-05-27 | 1982-12-02 | Toshiba Corp | Manufacture of semiconductor device |
JPS63177564A (ja) * | 1987-01-19 | 1988-07-21 | Fujitsu Ltd | 半導体装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61222137A (ja) * | 1985-03-06 | 1986-10-02 | Sharp Corp | チップ識別用凹凸パターン形成方法 |
US5212397A (en) * | 1990-08-13 | 1993-05-18 | Motorola, Inc. | BiCMOS device having an SOI substrate and process for making the same |
DE69223009T2 (de) * | 1991-08-02 | 1998-04-02 | Canon Kk | Flüssigkristall-Anzeigeeinheit |
US5463238A (en) * | 1992-02-25 | 1995-10-31 | Seiko Instruments Inc. | CMOS structure with parasitic channel prevention |
TW214603B (en) * | 1992-05-13 | 1993-10-11 | Seiko Electron Co Ltd | Semiconductor device |
JPH07106579A (ja) | 1993-10-08 | 1995-04-21 | Hitachi Ltd | 半導体装置とその製造方法 |
JP3265569B2 (ja) * | 1998-04-15 | 2002-03-11 | 日本電気株式会社 | 半導体装置及びその製造方法 |
-
1999
- 1999-06-03 DE DE19983426T patent/DE19983426B4/de not_active Expired - Fee Related
- 1999-06-03 US US09/762,056 patent/US6387741B1/en not_active Expired - Lifetime
- 1999-06-03 WO PCT/JP1999/002981 patent/WO2000075981A1/ja active IP Right Grant
- 1999-06-03 KR KR10-2001-7001443A patent/KR100383702B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5461488A (en) * | 1977-10-26 | 1979-05-17 | Cho Lsi Gijutsu Kenkyu Kumiai | Method of fabricating semiconductor |
JPS57196543A (en) * | 1981-05-27 | 1982-12-02 | Toshiba Corp | Manufacture of semiconductor device |
JPS63177564A (ja) * | 1987-01-19 | 1988-07-21 | Fujitsu Ltd | 半導体装置 |
Also Published As
Publication number | Publication date |
---|---|
US6387741B1 (en) | 2002-05-14 |
DE19983426T1 (de) | 2001-06-13 |
DE19983426B4 (de) | 2005-09-22 |
KR100383702B1 (ko) | 2003-05-16 |
KR20010106428A (ko) | 2001-11-29 |
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