WO2005106957A1 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
- Publication number
- WO2005106957A1 WO2005106957A1 PCT/JP2004/006289 JP2004006289W WO2005106957A1 WO 2005106957 A1 WO2005106957 A1 WO 2005106957A1 JP 2004006289 W JP2004006289 W JP 2004006289W WO 2005106957 A1 WO2005106957 A1 WO 2005106957A1
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- WIPO (PCT)
- Prior art keywords
- film
- semiconductor device
- forming
- silicon oxide
- wiring layers
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Classifications
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- 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
-
- 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
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76826—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. by contacting the layer with gases, liquids or plasmas
-
- 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
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76828—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. thermal 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
- H01L21/70—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
- 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
- H01L23/532—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 characterised by the materials
- H01L23/5329—Insulating materials
-
- 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
- H01L23/532—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 characterised by the materials
- H01L23/5329—Insulating materials
- H01L23/53295—Stacked insulating layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/55—Capacitors with a dielectric comprising a perovskite structure material
- H01L28/57—Capacitors with a dielectric comprising a perovskite structure material comprising a barrier layer to prevent diffusion of hydrogen or oxygen
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors
- H10B53/30—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors characterised by the memory core region
-
- 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
Definitions
- the present invention relates to a semiconductor device suitable for a nonvolatile memory including a ferroelectric capacitor and a method for manufacturing the same.
- FIG. 6 is a sectional view showing the structure of a conventional ferroelectric memory.
- transistors are formed on a silicon substrate (not shown), and an interlayer insulating film 52 is formed above these.
- a ferroelectric capacitor 51 having a lower electrode 51a, a ferroelectric film 51b, and an upper electrode 51c is formed.
- An interlayer insulating film 53 covering the ferroelectric capacitor 51 is formed on the interlayer insulating film 52. Holes reaching the transistors and the like are formed in the interlayer insulating films 52 and 53, and plugs 54 are formed in the holes. Further, holes reaching the upper electrode 51 a and the lower electrode 51 c are also formed in the interlayer insulating film 53, and the wiring 55 is formed in these holes and on the plug 54.
- An alumina film 56 covering the wiring 55 is formed, and an interlayer insulating film 57 is formed on the anoremina film 56.
- a hole reaching the wiring 55 is formed, and a plug 58 is formed in this hole.
- Wiring 59 is formed on interlayer insulating film 57.
- An interlayer insulating film 60 covering the wiring 59 is formed on the interlayer insulating film 57.
- a hole reaching the wiring 59 is formed in the interlayer insulating film 60, and a plug 64 is formed in the hole.
- a wiring 65 also serving as a pad is formed on the interlayer insulating film 60.
- a silicon oxide film 66 and a silicon nitride film 67 covering the wiring 65 are formed. Silicon oxide film
- the thicknesses of the silicon nitride film 67 and the silicon nitride film 67 are about 100 nm and about 350 nm, respectively.
- a pad opening 68 exposing a part of the wiring 65 is formed in the silicon oxide film 66 and the silicon nitride film 67.
- a polyimide film 70 is formed on the silicon nitride film 67.
- Silicon oxide film 6 6 is formed using TEOS (tetraethylorthosilicate) Has been.
- a gas containing H is used. Therefore, if the silicon nitride film 67 is formed thickly, hydrogen which adversely affects the ferroelectric film 51 b at the time of formation is formed. It will penetrate inside.
- the thickness of the silicon nitride film 67 is set to about 350 nm in consideration of these circumstances.
- semiconductor devices that do not have a ferroelectric capacitor, such as DRAM (Dynamic Random Access Memory), use a thick SOG (Spin On Glass) film as the silicon oxide film that forms the cover film.
- DRAM Dynamic Random Access Memory
- SOG Spin On Glass
- SOG films cannot be applied to ferroelectric memories. This is because a high-temperature heat treatment is necessary for forming the SOG film, and a large amount of hydrogen and water diffuse during this heat treatment. In addition, there is a case where the SOG film itself has high hygroscopicity, and the moisture absorbed by the SOG film after formation diffuses to the ferroelectric capacitor later.
- Patent Document 1
- Patent Document 2
- An object of the present invention is to suppress an adverse effect on a ferroelectric capacitor from an upper layer and from outside. And a method for manufacturing the same.
- a semiconductor device includes a ferroelectric capacitor, two or more wiring layers formed above the ferroelectric capacitor, and an uppermost one of the two or more wiring layers. And a substantially flat alumina film formed between the two wiring layers.
- two or more wiring layers are formed above the ferroelectric capacitor.
- a substantially flat alumina film is formed between two uppermost wiring layers of the two or more wiring layers.
- FIG. 1 is a circuit diagram showing a configuration of a memory cell array of a ferroelectric memory (semiconductor device) manufactured by a method according to an embodiment of the present invention.
- FIGS. 2A to 2I are cross-sectional views showing a method of manufacturing a ferroelectric memory according to the first embodiment of the present invention in order.
- 3A to 3B are cross-sectional views illustrating a method of manufacturing a ferroelectric memory according to the second embodiment of the present invention in order of steps.
- 4A to 4B are cross-sectional views showing a method of manufacturing a ferroelectric memory according to the third embodiment of the present invention in order.
- FIG. 5 is a cross-sectional view illustrating a method for manufacturing a ferroelectric memory according to the fourth embodiment of the present invention.
- FIG. 6 is a sectional view showing the structure of a conventional ferroelectric memory.
- FIG. 7 is an SEM photograph showing corrosion of the A1 wiring.
- FIG. 8 is an SEM photograph of a portion indicated by arrow A in FIG.
- FIG. 9 is an SEM photograph of a portion indicated by arrow B in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a circuit diagram showing a configuration of a memory cell array of a ferroelectric memory (semiconductor device) manufactured by a method according to an embodiment of the present invention.
- the memory cell array includes a plurality of bit lines 103 extending in one direction, a plurality of read lines 104 extending in a direction perpendicular to the direction in which the bit lines 103 extend, and a plane.
- a line 105 is provided.
- a plurality of memory cells of the ferroelectric memory according to the present embodiment are arrayed so as to match the lattice formed by the bit lines 103, the word lines 104, and the plate lines 105. It is arranged in a shape.
- Each memory cell is provided with a ferroelectric capacitor 101 and a MOS transistor 102.
- the gate of the MOS transistor 102 is connected to the word line 104. Further, one source / drain of the MOS transistor 102 is connected to the bit line 103, and the other source / drain is connected to one electrode of the ferroelectric capacitor 101. The other electrode of the ferroelectric capacitor 101 is connected to the plate line 105. Note that each word line 104 and plate line 105 are shared by a plurality of MOS transistors 102 arranged in the same direction as the direction in which they extend. Similarly, each bit line 103 is shared by a plurality of MOS transistors 102 arranged in the same direction as the direction in which the bit line 103 extends.
- the direction in which the word line 104 and the plate line 105 extend, and the direction in which the bit line 103 extends may be referred to as a row direction and a column direction, respectively.
- the arrangement of the bit lines 103, the lead lines 104 and the plate lines 1 • 5 is not limited to the above.
- data is stored according to the polarization state of the ferroelectric film provided in the ferroelectric capacitor 101.
- FIGS. 2A to 2I are sectional views showing a method of manufacturing a ferroelectric memory according to the embodiment of the present invention in the order of steps.
- a transistor (not shown) is formed on a semiconductor substrate (not shown) such as a silicon substrate.
- This transistor is the MOS transistor shown in Figure 1. It corresponds to data 102.
- an interlayer insulating film 2 is formed above these as shown in FIG. 2A.
- a ferroelectric film for example, PZT (P b (Z r , T i) 0 3) film
- a ferroelectric having a 1 b and the upper electrode 1 c Form capacitor 1.
- an interlayer insulating film 3 covering the ferroelectric capacitor 1 is formed on the interlayer insulating film 2.
- a substantially flat alumina film 11 is formed on the interlayer insulating film 10 as a diffusion suppressing film for suppressing diffusion of hydrogen and moisture.
- the thickness of the alumina film 11 is, for example, 70 nm.
- an interlayer insulating film 12 is formed on the alumina film 11 d.
- a hole 13 ⁇ reaching the wiring 9 is formed in the interlayer insulating film 10, the alumina film 11 and the interlayer insulating film 12. .
- the interlayer insulating film 12 may be flattened by performing CMP.
- a coating type SOG film 16 is formed on the entire surface. Thereafter, plasma treatment is performed on the SOG film 16 in an atmosphere containing N. As a result, the surface of the SOG film 16 is slightly nitrided, and its hygroscopicity is reduced. Further, a silicon nitride film 17 is formed on the SOG film 16.
- the thickness of the SOG film 16 is, for example, about 350 nm, and the thickness of the silicon nitride film 17 is, for example, 350 nm to 500 nm. Since the flatness of the coating type SOG film 16 is relatively high, the flatness of the silicon nitride film 17 is also relatively high, and the silicon nitride film 17 is less likely to crack.
- the SOG film 16 and the silicon nitride film 17 are A pad opening 18 exposing a part is formed.
- the exposed part of the wiring 15 becomes a pad.
- a silicon nitride film 19 is formed on the side wall of the pad opening 18.
- the silicon nitride film 19 covers the side of the SOG film 16.
- the polyimide film 20 is formed so as not to cover the head opening 18.
- the coated S00 film 16 is formed above the wiring 15 also serving as a pad, the flatness of the silicon nitride film 17 formed thereon is reduced. Can be higher. As a result, cracks in the silicon nitride film 17 can be suppressed. Further, if the SOG film 16 is simply formed, the diffusion of moisture and the like is caused by the formation of the SOG film 16. However, in the present embodiment, since the alumina film 11 is formed, the diffusion of the moisture and the like occurs. Diffusion toward the ferroelectric capacitor 1 can be suppressed.
- 3A to 3B are cross-sectional views illustrating a method of manufacturing a ferroelectric memory according to the second embodiment of the present invention in the order of steps.
- a TEOS film 21 is formed on the entire surface by, for example, a plasma CVD method.
- the thickness of the TEOS film 21 is, for example, 1300 nm to 2000 nm.
- the TEOS film 21 is flattened by CMP (Chemical Mechanical Polishing).
- the thickness of the planarized TEOS film 21 is, for example, 350 nm to 500 nm based on the surface of the wiring 15.
- plasma processing is performed on the TEOS film 21 in an atmosphere containing N.
- the surface of the TEOS film 21 is slightly nitrided, and its hygroscopicity is reduced.
- a silicon oxide film 22 is formed on the TEOS film 21.
- a silicon nitride film 17 is formed on the silicon oxide film 22.
- the thickness of the silicon nitride film 17 is, eg, 350 nm to 500 nm.
- a pad opening 18 is formed. Then, the steps after the formation of the silicon nitride film 19 are performed in the same manner as in the first embodiment.
- the TEOS film 21 is formed instead of the SOG film 16, but the same effects as in the first embodiment can be obtained.
- 4A to 4B are cross-sectional views illustrating a method of manufacturing a ferroelectric memory according to the third embodiment of the present invention in the order of steps.
- steps up to the formation of the wiring 15 are performed in the same manner as in the first embodiment.
- an N 2 annealing process is performed on the wiring 15.
- the conditions for this N 2 annealing treatment are, for example, temperature: 350 ° C., N 2 flow rate: 201 in, and time: 30 minutes.
- an alumina film 31 covering the wiring 15 is formed on the entire surface.
- a silicon oxide film 16 is formed. The thickness of the silicon oxide film 16 is, eg, about 350 nm.
- the steps after the formation of the silicon nitride film 17 are performed in the same manner as in the first embodiment.
- the alumina film 31 is formed immediately below the silicon oxide film 16, the diffusion of hydrogen and moisture from the outside to the ferroelectric film 1b is further suppressed. Can be.
- the annealing is performed on the wiring 15 in an atmosphere containing nitrogen before the formation of the alumina film 31, local peeling of the alumina film 31 is suppressed, and Intrusion of hydrogen and moisture can also be suppressed.
- FIG. 5 is a cross-sectional view illustrating a method for manufacturing a ferroelectric memory according to the fifth embodiment of the present invention.
- an alumina film is formed in the interlayer insulating film between the lowermost wiring 5 and the wiring 9 thereover among the plurality of wiring layers located above the ferroelectric capacitor 1. That is, while the interlayer insulating film 7 is formed in the first embodiment, in the present embodiment, as shown in FIG. 5, the interlayer insulating film 7a, the alumina film 41 and the interlayer insulating film 7b are sequentially formed. Form. Other steps are performed in the same manner as in the first embodiment.
- the alumina film 41 is formed in the vicinity of the ferroelectric capacitor 1, even if moisture or the like enters from the outside, the alumina film 41 reaches the ferroelectric film lb. Before that diffusion can be suppressed.
- the formation of the silicon nitride film 19 may be omitted.
- the ferroelectric memory is completed by performing the process up to the formation of the polyimide film.
- the polyimide film was peeled off by immersion for 0 seconds. Then, each sample was immersed in aqua regia for about 1 minute, and the degree of penetration was evaluated. The results are shown in Table 1 below together with the conditions. In these three types of samples, the formation conditions and thicknesses of the silicon oxide film and the silicon nitride film covering the pad were different, and an alumina film under the pad was formed only in Example 1.
- Example 1 as a silicon oxide film, a TEOS film covering the wiring (pad) was formed to a thickness of 1600 nm, and then polished by CMP to a thickness of 350 nm. That is, the first embodiment is based on the second embodiment.
- Comparative Examples 1 and 2 a silicon oxide film was formed with a thickness of 100 nm using TEOS. Further, when the sample of Comparative Example 1 was immersed in sulfuric acid and observed by SEM (Scanning Electron Microscope), as shown in FIG. Were present. In addition, the present inventor took a SEM photograph of a portion indicated by arrows A and B in FIG. FIG. 8 is an SEM photograph of a portion indicated by arrow A in FIG. 7, and FIG. 9 is an SEM photograph of a portion indicated by arrow B in FIG. As shown in Figs. 8 and 9, cracks (in the region surrounded by circles) occurred in the silicon nitride film.
- Example 2 is based on the second embodiment, and Comparative Example 3 is equivalent to the second embodiment except that the alumina film under the pad is removed. Table 2
- the alumina film is formed between the two uppermost wiring layers, adverse effects on the ferroelectric capacitor from the upper layer and the outside are suppressed. Can be controlled. For example, intrusion of moisture from the outside can be suppressed. Further, even if the cover film that covers the uppermost wiring layer is formed using a material that easily diffuses moisture, diffusion to the ferroelectric capacitor can be suppressed. Therefore, as the cover film, a film made of a material which can obtain a high flatness but is easily diffused with moisture, which has been conventionally avoided, can also be formed. For this reason, it is also possible to suppress cracks in the cover film.
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- Condensed Matter Physics & Semiconductors (AREA)
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200480042133.XA CN1922731B (zh) | 2004-04-30 | 2004-04-30 | 半导体装置的制造方法 |
PCT/JP2004/006289 WO2005106957A1 (ja) | 2004-04-30 | 2004-04-30 | 半導体装置及びその製造方法 |
JP2006512706A JP5045101B2 (ja) | 2004-04-30 | 2004-04-30 | 半導体装置及びその製造方法 |
US11/545,534 US7999301B2 (en) | 2004-04-30 | 2006-10-11 | Semiconductor device and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/006289 WO2005106957A1 (ja) | 2004-04-30 | 2004-04-30 | 半導体装置及びその製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/545,534 Continuation US7999301B2 (en) | 2004-04-30 | 2006-10-11 | Semiconductor device and method of manufacturing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005106957A1 true WO2005106957A1 (ja) | 2005-11-10 |
Family
ID=35241935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/006289 WO2005106957A1 (ja) | 2004-04-30 | 2004-04-30 | 半導体装置及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7999301B2 (ja) |
JP (1) | JP5045101B2 (ja) |
CN (1) | CN1922731B (ja) |
WO (1) | WO2005106957A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007165350A (ja) * | 2005-12-09 | 2007-06-28 | Fujitsu Ltd | 半導体装置の製造方法 |
JPWO2007074530A1 (ja) * | 2005-12-27 | 2009-06-04 | 富士通株式会社 | 半導体装置とその製造方法 |
JP5309988B2 (ja) * | 2006-03-29 | 2013-10-09 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
WO2015033623A1 (ja) * | 2013-09-05 | 2015-03-12 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104637864B (zh) * | 2013-11-14 | 2017-11-24 | 中芯国际集成电路制造(上海)有限公司 | 提高数据保持能力的方法 |
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JP2001358309A (ja) * | 1999-05-14 | 2001-12-26 | Toshiba Corp | 半導体装置 |
JP2002353442A (ja) * | 2001-05-22 | 2002-12-06 | Hitachi Ltd | 半導体装置 |
JP2003068993A (ja) * | 2001-08-28 | 2003-03-07 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2003197878A (ja) * | 2001-10-15 | 2003-07-11 | Hitachi Ltd | メモリ半導体装置およびその製造方法 |
JP2004095861A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | 半導体装置及びその製造方法 |
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JP3276007B2 (ja) * | 1999-07-02 | 2002-04-22 | 日本電気株式会社 | 混載lsi半導体装置 |
US6611014B1 (en) * | 1999-05-14 | 2003-08-26 | Kabushiki Kaisha Toshiba | Semiconductor device having ferroelectric capacitor and hydrogen barrier film and manufacturing method thereof |
KR20020004539A (ko) * | 2000-07-06 | 2002-01-16 | 박종섭 | 수소확산을 방지할 수 있는 강유전체 메모리 소자 제조 방법 |
JP2002035442A (ja) * | 2000-07-27 | 2002-02-05 | Sony Corp | 模型及び遠隔操作系 |
JP4023770B2 (ja) * | 2000-12-20 | 2007-12-19 | 株式会社東芝 | 半導体記憶装置及びその製造方法 |
JP2002217198A (ja) | 2001-01-19 | 2002-08-02 | Hitachi Ltd | 半導体装置 |
US7358578B2 (en) * | 2001-05-22 | 2008-04-15 | Renesas Technology Corporation | Field effect transistor on a substrate with (111) orientation having zirconium oxide gate insulation and cobalt or nickel silicide wiring |
JP2003209223A (ja) * | 2002-01-15 | 2003-07-25 | Oki Electric Ind Co Ltd | 半導体素子およびその製造方法 |
-
2004
- 2004-04-30 JP JP2006512706A patent/JP5045101B2/ja not_active Expired - Fee Related
- 2004-04-30 WO PCT/JP2004/006289 patent/WO2005106957A1/ja active Application Filing
- 2004-04-30 CN CN200480042133.XA patent/CN1922731B/zh not_active Expired - Fee Related
-
2006
- 2006-10-11 US US11/545,534 patent/US7999301B2/en not_active Expired - Fee Related
Patent Citations (5)
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JP2001358309A (ja) * | 1999-05-14 | 2001-12-26 | Toshiba Corp | 半導体装置 |
JP2002353442A (ja) * | 2001-05-22 | 2002-12-06 | Hitachi Ltd | 半導体装置 |
JP2003068993A (ja) * | 2001-08-28 | 2003-03-07 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2003197878A (ja) * | 2001-10-15 | 2003-07-11 | Hitachi Ltd | メモリ半導体装置およびその製造方法 |
JP2004095861A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | 半導体装置及びその製造方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007165350A (ja) * | 2005-12-09 | 2007-06-28 | Fujitsu Ltd | 半導体装置の製造方法 |
JPWO2007074530A1 (ja) * | 2005-12-27 | 2009-06-04 | 富士通株式会社 | 半導体装置とその製造方法 |
JP5098647B2 (ja) * | 2005-12-27 | 2012-12-12 | 富士通セミコンダクター株式会社 | 半導体装置とその製造方法 |
JP5309988B2 (ja) * | 2006-03-29 | 2013-10-09 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
WO2015033623A1 (ja) * | 2013-09-05 | 2015-03-12 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
JP6080961B2 (ja) * | 2013-09-05 | 2017-02-15 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
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CN1922731B (zh) | 2010-12-08 |
JP5045101B2 (ja) | 2012-10-10 |
JPWO2005106957A1 (ja) | 2008-03-21 |
CN1922731A (zh) | 2007-02-28 |
US20080217668A1 (en) | 2008-09-11 |
US7999301B2 (en) | 2011-08-16 |
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