WO2010035383A1 - フェライト付着体及びその製造方法 - Google Patents
フェライト付着体及びその製造方法 Download PDFInfo
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- WO2010035383A1 WO2010035383A1 PCT/JP2009/003584 JP2009003584W WO2010035383A1 WO 2010035383 A1 WO2010035383 A1 WO 2010035383A1 JP 2009003584 W JP2009003584 W JP 2009003584W WO 2010035383 A1 WO2010035383 A1 WO 2010035383A1
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- ferrite
- substrate
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- base
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/1208—Oxides, e.g. ceramics
- C23C18/1216—Metal oxides
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
Definitions
- the present invention relates to a ferrite adhering body in which a ferrite film, particularly a spinel type ferrite film is adhered to a substrate, and a method for producing the ferrite adhering body.
- the ferrite plating method provides a high-quality ferrite film, and is disclosed in Patent Document 1, for example.
- the ferrite plating method of Patent Document 1 includes: preparing a specific aqueous solution containing at least ferrous ions; bringing the surface of the substrate into contact with the specific aqueous solution, Fe 2+ ions or Fe 2+ ions and other metal hydroxide ions; Adsorbing to the surface of the substrate; obtaining Fe 3+ ions by oxidizing the adsorbed Fe 2+ ions; causing a ferrite crystallization reaction between the Fe 3+ ions and metal hydroxide ions in a specific aqueous solution; Forming a ferrite film on the surface of the substrate.
- any substrate can be used as long as the substrate is resistant to an aqueous solution. Further, since the ferrite plating method is based on a reaction via an aqueous solution, a spinel type ferrite film can be formed at a relatively low temperature (from room temperature to the boiling point of the aqueous solution). Therefore, the ferrite plating method is superior in that there are few limitations on the substrate as compared with other ferrite film forming techniques.
- Patent Documents related to the ferrite plating method include Patent Documents 2 to 4.
- Patent Document 2 discloses a technique for homogenizing the formed ferrite film and improving the reaction rate in the ferrite film forming process.
- Patent Document 3 discloses a technique for imparting surface activity to a substrate surface to form a ferrite film on various substrates.
- Patent Document 4 discloses a technique related to an improvement in the formation rate of a ferrite film.
- Japanese Patent No. 1475891 Japanese Patent Publication No. 63-15990
- Japanese Patent No. 1868730 Japanese Patent Laid-Open No. 61-030664
- the ferrite film is formed by crystal growth based on the substrate surface. Therefore, an appropriately formed ferrite film becomes an aggregate of columnar crystals provided so that the major axis is along a direction substantially parallel to the normal direction of the substrate surface.
- an object of the present invention is to provide a method for producing a ferrite film adhering body based on a ferrite plating method, and a method for producing a ferrite film adhering body having a homogeneous ferrite film.
- Another object of the present invention is to provide a ferrite film adhering body manufactured by the method for manufacturing a ferrite film adhering body.
- One aspect of the present invention provides a manufacturing method for manufacturing a ferrite adhering body including a base and a ferrite film attached to the base.
- the substrate is supported with a space of 100 ⁇ m or more on the back side of the substrate, and a reaction solution containing at least ferrous ions and an oxidizing solution containing at least an oxidizing agent are supplied to the front side of the substrate.
- a ferrite adhering body comprising a three-dimensionally shaped base and a ferrite film attached to the base, wherein the ratio of the average thickness x of the ferrite film to the standard deviation ⁇ of the thickness ⁇ / Provided is a ferrite adherent wherein x is 1 or less.
- the columnar crystal of the ferrite film is grown in a state where the substrate is separated from the table by 100 ⁇ m or more and the reaction solution and the oxidizing solution supplied to the substrate are subjected to acceleration of 2 to 150 m / s 2 due to other than gravity.
- the reaction solution and the oxidizing solution supplied to the substrate are subjected to acceleration of 2 to 150 m / s 2 due to other than gravity.
- FIG. 1 It is a figure which shows typically the film-forming apparatus used in the manufacturing method of the ferrite film adhesion body by embodiment of this invention. It is a figure which shows typically the base
- FIG. 1 shows typically the film-forming apparatus used in the manufacturing method of the ferrite film adhesion body by embodiment of this invention. It is a figure which shows typically the base
- a method of manufacturing an adherent including a base and a ferrite film attached to the base according to the embodiment of the present invention uses a film forming apparatus as shown in FIG.
- the illustrated film forming apparatus is an apparatus for forming a ferrite film on a substrate 3, and includes a reaction liquid nozzle 1, an oxidizing liquid nozzle 2, a support member 4, and a table (rotary table) 5.
- the rotary table 5 is a table that can rotate around its axis.
- the support member 4 is installed on the rotary table 5 and supports the base 3 with a space of 100 ⁇ m or more between the back side of the base 3 and the rotary table 5.
- the support member 4 moves with the rotation of the turntable 5 while supporting the base 3. That is, the base 3 moves with the rotation of the turntable 5.
- the reaction liquid nozzle 1 is for supplying a reaction liquid containing at least ferrous ions toward the turntable 5, and is fixed above the turntable 5.
- the oxidizing solution nozzle 2 is for supplying an oxidizing solution containing at least an oxidizing agent toward the turntable 5, and is fixed above the turntable 5.
- the reaction liquid nozzle 1 is located on one half region of the stationary rotary table 5, and the oxidizing liquid nozzle 2 is the other half of the stationary rotary table 5. It is located in an area.
- the reaction liquid nozzle 1 and the oxidation liquid nozzle 2 are sprayed around a direction orthogonal to the rotary table 5. That is, the center line of the spray direction of the reaction liquid and the oxidizing liquid sprayed from the reaction liquid nozzle 1 and the oxidizing liquid nozzle 2 is along the direction orthogonal to the surface of the substrate 3.
- the present invention is not limited to this, and the reaction solution and the oxidation solution are sprayed in a direction oblique to the surface of the substrate 3 by tilting the substrate 3 and / or the reaction solution nozzle 1 and the oxidation solution nozzle 2. It is also good to do.
- the substrate 3 When the substrate 3 is supported by the support member 4 and the rotary table 5 is rotated while supplying the reaction solution from the reaction solution nozzle 1 and supplying the oxidation solution from the oxidation solution nozzle 2, The oxidizing solution is supplied alternately. As a result, the substrate 3 is ferrite plated. That is, a ferrite film based ferrite film is formed on the substrate 3.
- the rotation speed of the turntable 5 in the present embodiment is set so that the reaction solution and the oxidizing solution supplied onto the substrate 3 receive an acceleration of 2 to 150 m / s 2 due to the centrifugal force.
- the excess reaction solution and the oxidizing solution move from the front side to the back side of the substrate 3 without forming an undesirable “liquid pool”.
- the excess reaction solution and the oxidizing solution flow smoothly without forming an unfavorable “puddle”.
- the ferrite plating method can be realized under an ideal state, a homogeneous ferrite film can be obtained.
- a ferrite film can be formed at a place other than the front side of the substrate 3 to which the reaction solution and the oxidizing solution are directly supplied.
- the acceleration applied to the reaction solution and the oxidizing solution is caused by the centrifugal force accompanying the rotation of the turntable 5.
- the acceleration applied to the reaction solution and the oxidizing solution is an intentionally applied acceleration (that is, an acceleration other than gravity), and may have a magnitude of 2 to 150 m / s 2 .
- another means for applying acceleration includes applying vibration to the substrate 3.
- the supply of the reaction liquid and the oxidizing liquid to the substrate 3 and the acceleration are performed substantially simultaneously.
- the present invention is not limited to this. If excess reaction liquid and oxidation liquid can be removed, acceleration may be applied immediately after supply of the reaction liquid and oxidation liquid, reaction liquid supply, acceleration supply, oxidation liquid supply, acceleration supply, etc. The cycle may be executed repeatedly.
- the shape and size of the substrate 3 as follows.
- the base 3 has a rod-shaped portion like a single conductor, it is preferable that both the maximum width and the maximum height of the rod-shaped portion are 5 mm or less.
- the maximum width W of each bar-like portion is provided.
- the maximum height H are both 5 mm or less, and the gap S is preferably 100 ⁇ m or more.
- the base 3 may be turned over and the ferrite film may be directly formed on the back side 3 of the base by the same method.
- a homogeneous ferrite film (ferrite plating) 6 is formed by applying an appropriate acceleration while supplying a reaction solution and an oxidizing solution to the upper surface of the substrate 3. It may be turned over to form a uniform ferrite film (ferrite plating) by applying appropriate acceleration while supplying the reaction solution and the oxidizing solution to the lower surface of the substrate 3.
- the ferrite film (ferrite plating) formed according to the present embodiment is formed by ideally arranging a plurality of columnar crystals having a major axis and a minor axis. Specifically, the plurality of columnar crystals are arranged so that the major axis is along the normal direction of the surface of the substrate 3 (that is, the film thickness direction of the ferrite film), and are magnetically coupled to each other. In particular, ferrite films formed on two adjacent surfaces such as the upper surface and the side surface are also magnetically coupled to each other.
- the major axis a of the columnar crystal is 0.1 to 10 ⁇ m, and the minor axis b is 0.01 to 1 ⁇ m. Further, the ratio ⁇ / x of the average thickness x of the ferrite film to the standard deviation ⁇ of the thickness is 1 or less.
- the ferrite adherent was formed under various conditions as shown in the following table.
- Examples 1 to 4 are ferrite adherents manufactured under the conditions according to the present embodiment
- Comparative Examples 1 to 5 are ferrite adherents manufactured under conditions that are not according to the present embodiment, respectively. Is the body.
- the above-described film forming apparatus shown in FIG. 1 was used for manufacturing the ferrite adherent.
- the substrate 3 is made of a copper alloy and has a structure as shown in FIG.
- the length L of the rod-shaped portion of the substrate 3 was 30 mm.
- the height H and width W of the rod-shaped portion of the substrate 3 for each of Examples 1 to 4 and Comparative Examples 1 to 5 and the gap (interline distance) S between the rod-shaped portions are as shown in the table. .
- the substrate 3 was placed on the support member 4 and heated to 90 ° C. while supplying deoxygenated ion-exchanged water with the rotary table 5 being rotated. Next, nitrogen gas was introduced into the film forming apparatus to form a deoxygenated atmosphere.
- the step of supplying the reaction solution from the reaction solution nozzle 1 onto the substrate 3 and the step of supplying the oxidation solution from the oxidation solution nozzle 2 to the substrate 3 were performed while the rotary table 5 was rotated. That is, the step of supplying the reaction solution and the step of supplying the oxidizing solution were alternately and repeatedly performed.
- the flow rates for supplying the reaction solution and the oxidizing solution were both 40 ml / min.
- the reaction solution was formed by dissolving FeCl 2 -4H 2 O, NiCl 2 -6H 2 O, ZnCl 2 in deoxygenated ion exchange water.
- the oxidizing solution was formed by dissolving NaNo 2 and CH 3 COONH 4 in deoxygenated ion-exchanged water.
- the reaction solution and the oxidizing solution may be formed with reference to, for example, US2009-0047507A1 and US2007-0231614A1.
- Example 2 When supplying the reaction solution and the oxidizing solution to the substrate 3, the rotary table 5 was rotated at the number of rotations described in the table, and the acceleration described in the table was applied to the reaction solution and the oxidizing solution.
- Example 2 as shown in FIG. 3, after forming the ferrite film 6 on the upper surface of the substrate 3, the substrate 3 was turned over and the ferrite film 6 was also formed on the lower surface. At this time, a space of 200 ⁇ m was provided between the base 3 and the turntable 5.
- a black ferrite film 6 was formed on the substrate 3.
- Various analyzes were performed on the ferrite adhering body thus formed. Specifically, the chemical composition of the ferrite film was evaluated by an inductively coupled plasma emission spectroscopy (ICPS) method. For structural analysis such as film thickness measurement, a scanning electron microscope (SEM) was used. The permeability of each ferrite film was measured using a permeability meter based on the shielded loop coil method. As a result of evaluation by the ICPS method, the average composition of the ferrite film in any of the ferrite adhering bodies was Ni 0.2 Zn 0.3 Fe 2.5 O 4 . Other analysis results are shown in the table above.
- ICPS inductively coupled plasma emission spectroscopy
- the ferrite film in the ferrite adherents of Examples 1 to 4 is formed by magnetically coupling a plurality of columnar crystals having a major axis and a minor axis, and the major axis of each columnar crystal. Is along the film thickness direction of the ferrite film (that is, the normal direction of the surface of the substrate 3).
- the length of the major axis a of the columnar crystal is in the range of 0.1 to 10 ⁇ m
- the length of the minor axis b is 0.01 to 1 ⁇ m
- the ratio ⁇ / x of ⁇ is 1 or less.
- the average value of the real part ⁇ ′ of the permeability of the ferrite film is 10 or more.
- the average value of the real part ⁇ ′ of the permeability of the ferrite film is smaller than 10.
- the ferrite adherent according to the present invention can be used in high-frequency magnetic devices such as an inductance element, an impedance element, a magnetic head, a microwave element, a magnetostrictive element, and an electromagnetic interference suppressor.
- the electromagnetic interference suppressor is for suppressing electromagnetic interference caused by interference of unnecessary electromagnetic waves in a high frequency region.
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Abstract
Description
2 酸化液ノズル
3 基体
4 支持部材
5 台(回転テーブル)
6 フェライト膜
Claims (12)
- 基体と該基体に付着したフェライト膜とを備えるフェライト付着体を製造する製造方法であって、
前記基体の裏側に100μm以上のスペースを空けた状態で前記基体を支持し、
少なくとも第1鉄イオンを含む反応液と少なくとも酸化剤を含む酸化液とを前記基体の表側に供給し、
前記反応液と前記酸化液に対して重力以外に起因する2~150m/s2の加速度を加える
製造方法。 - 請求項1記載の製造方法であって、
前記基体の支持は、台の上に支持部材を配置し、前記台と前記基体との間に前記スペースを確保した状態で前記支持部材によって前記基体を支持することにより、行われる
製造方法。 - 請求項2記載の製造方法であって、
前記加速度は、前記台を回転させることにより生じる遠心力に起因するものである
製造方法。 - 請求項1又は請求項2記載の製造方法であって、
前記加速度は、前記基体に振動を与えることにより生じるものである
製造方法。 - 請求項1乃至請求項4のいずれかに記載の製造方法であって、
前記基体は、棒状の部位を有しており、
前記棒状の部位は、5mm以下の最大幅を有すると共に5mm以下の最大高さを有している
製造方法。 - 請求項1乃至請求項5のいずれかに記載の製造方法であって、
前記基体は、隙間を空けて設けられた複数の棒状の部位を有しており、
前記棒状の部位の夫々は、5mm以下の最大幅を有すると共に5mm以下の最大高さを有しており、
前記隙間は100μm以上である
製造方法。 - 請求項1乃至請求項6のいずれかに記載の製造方法であって、
前記基体の前記表側に対して前記反応液と前記酸化液を直接供給し且つ前記加速度を加えてフェライト膜を直接形成した後、前記基体の前記裏側に対して前記反応液と前記酸化液を直接供給し且つ前記加速度を加えてフェライト膜を直接形成する
製造方法。 - 三次元形状の基体と該基体に付着したフェライト膜とを備えるフェライト付着体であって、前記フェライト膜の平均膜厚xと膜厚の標準偏差σの比σ/xが1以下であるフェライト付着体。
- 請求項8記載のフェライト付着体であって、
前記基体は、少なくとも隣接する二つの面を備えており、
前記フェライト膜は、前記二つの面の夫々の上に直接形成されており、
前記二つの面の上に形成された前記フェライト膜は、互いに磁気的に結合している
フェライト付着体。 - 請求項8又は請求項9記載のフェライト付着体であって、
前記基体は、棒状の部位を有しており、
前記棒状の部位は、5mm以下の最大幅を有すると共に5mm以下の最大高さを有している
フェライト付着体。 - 請求項8又は請求項9記載のフェライト付着体であって、
前記基体は、隙間を空けて設けられた複数の棒状の部位を有しており、
前記棒状の部位の夫々は、5mm以下の最大幅を有すると共に5mm以下の最大高さを有しており、
前記隙間は100μm以上である
フェライト付着体。 - 請求項8乃至請求項11のいずれかに記載のフェライト付着体であって、
前記フェライト膜は、長軸及び短軸を有し且つ前記長軸を前記フェライト膜の膜厚方向に沿うようにして並べてなる複数の柱状結晶からなり、
前記柱状結晶の前記長軸は0.1~10μmであり、前記短軸は0.01~1μmである
フェライト付着体。
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CN200980136558XA CN102159749B (zh) | 2008-09-25 | 2009-07-29 | 铁素体附着体及其制造方法 |
US13/121,108 US20110183130A1 (en) | 2008-09-25 | 2009-07-29 | Ferrite-provided body and fabrication method thereof |
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JP2008245066 | 2008-09-25 | ||
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CN113070196B (zh) * | 2021-03-01 | 2022-05-03 | 电子科技大学 | 一种改善旋转喷涂制备NiZn铁氧体薄膜性能的方法 |
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JP2005129766A (ja) * | 2003-10-24 | 2005-05-19 | Nec Tokin Corp | プリント回路基板及びその製造方法 |
JP2005126776A (ja) * | 2003-10-24 | 2005-05-19 | Nec Tokin Corp | 柱状結晶を有するフェライト膜、及びその製造方法 |
US7821371B2 (en) * | 2005-11-01 | 2010-10-26 | Kabushiki Kaisha Toshiba | Flat magnetic element and power IC package using the same |
JP2007250924A (ja) * | 2006-03-17 | 2007-09-27 | Sony Corp | インダクタ素子とその製造方法、並びにインダクタ素子を用いた半導体モジュール |
-
2009
- 2009-07-29 CN CN200980136558XA patent/CN102159749B/zh not_active Expired - Fee Related
- 2009-07-29 US US13/121,108 patent/US20110183130A1/en not_active Abandoned
- 2009-07-29 KR KR1020117006568A patent/KR101596476B1/ko active IP Right Grant
- 2009-07-29 WO PCT/JP2009/003584 patent/WO2010035383A1/ja active Application Filing
- 2009-07-29 JP JP2009176209A patent/JP4410838B1/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006245419A (ja) * | 2005-03-04 | 2006-09-14 | Nec Tokin Corp | フェライト膜製造装置 |
JP2006351603A (ja) * | 2005-06-13 | 2006-12-28 | Nec Tokin Corp | フェライト膜の製造装置 |
JP2008091974A (ja) * | 2006-09-29 | 2008-04-17 | Nec Tokin Corp | アンテナおよびそれを用いたrfidタグ |
Also Published As
Publication number | Publication date |
---|---|
CN102159749A (zh) | 2011-08-17 |
CN102159749B (zh) | 2013-01-23 |
JP4410838B1 (ja) | 2010-02-03 |
JP2010100928A (ja) | 2010-05-06 |
KR101596476B1 (ko) | 2016-02-22 |
US20110183130A1 (en) | 2011-07-28 |
KR20110066149A (ko) | 2011-06-16 |
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