WO2006052033A1 - 圧電材料と非線形圧電素子 - Google Patents
圧電材料と非線形圧電素子 Download PDFInfo
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- WO2006052033A1 WO2006052033A1 PCT/JP2005/021323 JP2005021323W WO2006052033A1 WO 2006052033 A1 WO2006052033 A1 WO 2006052033A1 JP 2005021323 W JP2005021323 W JP 2005021323W WO 2006052033 A1 WO2006052033 A1 WO 2006052033A1
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- piezoelectric material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8536—Alkaline earth metal based oxides, e.g. barium titanates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3251—Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
Definitions
- the invention of this application relates to a piezoelectric material and a piezoelectric element, and particularly to a nonlinear piezoelectric material that can be greatly displaced with a small voltage and the element.
- a nonlinear piezoelectric effect is obtained by using the electric field induced phase transition of antiferroelectric.
- the feature of this method is that it is transformed into a ferroelectric state by applying a strong electric field using an antiferroelectric material, and obtains a nonlinear displacement.
- PNZST ceramic field induced antidielectric-dielectric phase transition This is the type that uses deformation.
- piezoelectric materials and piezoelectric elements that can be deformed by an electric field as one of the methods described above
- sensors such as acceleration sensors, knock sensors, sensor sensors, ultrasonic microphones, piezoelectric speakers, piezoelectric elements, etc.
- piezoelectric elements are required to have high conversion efficiency for application to Actuary and Sensors.
- an actuator that converts voltage to displacement is required to obtain a large stroke (displacement) even at low voltages.
- the displacement be non-linear (for example, the displacement increases rapidly at a critical voltage).
- the conventional techniques as described above have the following problems.
- Patent Document 1 Non-patent Document 1
- a ferroelectric piezoelectric material having a movable point defect, and the movable point defect is arranged so that the symmetry of the short range order matches the crystal symmetry of the ferroelectric phase. It is a piezoelectric material characterized in that a nonlinear piezoelectric effect is manifested by reversible transformation under the electric field of the domain.
- Movable point defects are vacancies in the elements that make up ferroelectrics introduced by chemical equilibrium or by additive elements.
- the ferroelectric is of AB0 3 type.
- Ferroelectric is B aT i 0 3 or (B a, S r) T i 0 3 type. [9] The ferroelectric is P b (Z r, T i) 0 3 or (P b, rare earth element) (Z r, T i) 0 3 type. [10] Any of the above piezoelectric materials to which other elements are added.
- the other element is at least one element selected from the group consisting of alkali metals, alkaline earth metals, and transition metals.
- the invention as described above is based on the knowledge about the symmetry of universal nano-orders of point defects in crystals that the inventor has already conducted basic studies (Xiaobing Ren and Kazuhiro Otuka PHYSICAL REVIEW LETTERS Vol.85, No .5, 2000 July 31, pp.1016-1019)
- As a means for obtaining the enormous electrostrictive effect the region where the electric polarization direction of the piezoelectric material is different using the symmetry of point defects: It was derived by making the domain transformation reversible. In other words, it has been completed as a new technical idea based on the above new technical knowledge.
- Non-Patent Document 1 Nature Materials, 3, 91 (2004)
- Patent Document 1 PCTZJ P 2004 00676 1 Invention Disclosure
- the inventor of this application has already presented a piezoelectric material based on a completely new principle.
- a study on a measure for realizing a larger electrostrictive effect at a lower voltage is further proposed. This is not always sufficient, and this point has become a very important issue for future technological development. Therefore, the invention of this application provides means for easily and reliably realizing a larger electrostrictive effect at a lower voltage with respect to the above-described new piezoelectric material presented by the inventor. It is an issue.
- the invention of this application has the following features. First: In the AB0 type 3 ferroelectric material, a donor with a high valence is added together with an acceptor having an ion valency with a lower valence than at least one of the host atoms A and B Piezoelectric material characterized by
- a B0 3 type ferroelectric material is B aT i 0 3 , (B a, S r)
- a B0 type 3 ferroelectric material is B aT i 0 3 or (B a, S r) T i 0 3 and the acceptor is monovalent alkali when substituting B a or S r When substituting for metal, T i, the ion valence is smaller than T i (+4 valence), and the donor has a ionic valence higher than Ba or T i.
- the acceptor to be substituted for Ti is at least one of Fe, Mn, Co, Cr, Ni, Cu, Zn, and A1, and is more ionic than Ba
- the donor with higher valence is at least one of Y, lanthanoid, and B i
- the donor with higher ionic value than T i is at least one of Nb, Ta, S b, and B i. It is characterized by being.
- a nonlinear piezoelectric element characterized in that any one of the above piezoelectric materials is at least a part of the structure.
- No. 10 An electrical device or apparatus, or a part thereof, characterized in that the above-described nonlinear piezoelectric element is incorporated as at least a part of the configuration.
- the invention of this application as described above shows that the addition of metal elements such as K and Fe is effective for the introduction of point defects in the previously proposed invention.
- metal elements such as K and Fe
- FIG. 1 is a diagram illustrating the measurement result of the electric field-displacement characteristics in the case of 0.4 mol% La added Ba (T i, ⁇ ) 0 3 .
- FIG. 2 is a diagram illustrating a hysteresis curve in the case of FIG.
- FIG. 3 is a diagram exemplifying the measurement result of the electric field-displacement characteristic in the case of B a (T i, Mn) 0 2 added with 1 mo 1% La.
- FIG. 4 is a diagram exemplifying the measurement result of the electric field-displacement characteristic of 8 & (T i, Mn) 0 3 to which La is added 0.2 to 0.411110 1%.
- FIG. 5 is a diagram illustrating the measurement result of the electric field-displacement characteristic when 0.1 mol% Nb is added to B a (T i, Mn) 0 3 .
- FIG. 6 is a diagram illustrating the electric field-displacement characteristic when l mol% Nb is added to B a (T i, Mn) 0 3 .
- FIG. 7 is a diagram illustrating the electric field-displacement characteristics when 2 mol% Nb is added to Ba (Ti, Mn) 0 3 .
- Akusepu evening one by a variety of processes in AB0 3 type ferroelectric material, and added donor element may be de one-flop.
- the addition of the single crystal growth or during sintering of AB0 3 type material may be a dough-flop, other liquid phase method may be a variety of gas phase method.
- a B0 3 type ferroelectric material for example, B aT i 0 3 , (B a, S r) T i 0 3 , P b (Z r, T i) 0 3, etc.
- the host atoms A and B may be one type or two or more types.
- the ion valence should be smaller than at least one of the atoms A and B, and the donor should be selected as having a higher ionic valence.
- alkali metals such as K, L i and Na are used as the acceptor for B a or B a, S r.
- Examples include lanthanoids such as Nd, Sm, Eu, and Gd, Y, Bi, etc., and Nb, Ta. Sb, Bi, etc., which have a higher ionic valence than Ti.
- acceptors and donors are preferably considered to be added generally within the range of 0.0 mol% to 10 mol%.
- Fig. 1 exemplifies the measurement result of the electric field-displacement characteristics of the crystal added with a.
- Fig. 2 exemplifies the hysteresis curve.
- a piezoelectric material was prepared by adding 11110 1% of & to Ba (TiD 99 Mnn. D1 ) 0 3 and measured the electric field-displacement characteristics.
- FIG. 4 exemplifies the result, and the greatest increase effect was confirmed when 0.2 mol% La was added.
- a piezoelectric material that realizes a nonlinear piezoelectric effect due to the presence of a movable point defect can exhibit a larger electrostrictive effect by adding an acceptor and a donor. Yes.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-331245 | 2004-11-15 | ||
| JP2004331245A JP4997521B2 (ja) | 2004-11-15 | 2004-11-15 | 圧電材料と非線形圧電素子 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006052033A1 true WO2006052033A1 (ja) | 2006-05-18 |
Family
ID=36336685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/021323 Ceased WO2006052033A1 (ja) | 2004-11-15 | 2005-11-15 | 圧電材料と非線形圧電素子 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4997521B2 (ja) |
| WO (1) | WO2006052033A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010100345A2 (fr) | 2009-03-02 | 2010-09-10 | Alex Hr Roustaei | Systeme intelligent de production d'énergie solaire a haut rendement en chambres multiples de capture muni de cellules photovoltaiques a base des nano particules |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5305263B2 (ja) * | 2007-10-17 | 2013-10-02 | 独立行政法人産業技術総合研究所 | 発電用圧電体 |
| JP2010150126A (ja) | 2008-11-18 | 2010-07-08 | Ngk Insulators Ltd | 圧電/電歪セラミックス組成物、圧電/電歪セラミックスの焼結体、圧電/電歪素子、圧電/電歪セラミックス組成物の製造方法及び圧電/電歪素子の製造方法 |
| KR101092464B1 (ko) | 2010-05-07 | 2011-12-13 | 경북대학교 산학협력단 | 거대 이형접합층을 이용한 압전소자 및 그 제조방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01244357A (ja) * | 1988-03-26 | 1989-09-28 | Olympus Optical Co Ltd | 超音波画像形成方法 |
| JPH08333158A (ja) * | 1995-06-02 | 1996-12-17 | Matsushita Electric Ind Co Ltd | 圧電磁器組成物とこれを用いた圧電共振子の製造方法 |
| JP2000327415A (ja) * | 1998-10-21 | 2000-11-28 | Teikoku Chem Ind Corp Ltd | 強誘電体薄膜形成用組成物 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4748291B2 (ja) * | 2001-01-10 | 2011-08-17 | Tdk株式会社 | 積層体変位素子 |
| DE10229086A1 (de) * | 2001-09-29 | 2003-04-17 | Ceramtec Ag | Piezoelektrische keramische Werkstoffe auf der Basis von Bleizirkonattitanat (PZT) mit der Kristallstruktur des Perowskits |
| US6702952B2 (en) * | 2001-12-19 | 2004-03-09 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive material and method for preparing the same |
| JP3678234B2 (ja) * | 2002-07-25 | 2005-08-03 | 株式会社村田製作所 | 積層型圧電部品の製造方法、及び積層型電子部品 |
| JP4698161B2 (ja) * | 2003-05-13 | 2011-06-08 | 独立行政法人科学技術振興機構 | 圧電材料とその製造方法 |
-
2004
- 2004-11-15 JP JP2004331245A patent/JP4997521B2/ja not_active Expired - Fee Related
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2005
- 2005-11-15 WO PCT/JP2005/021323 patent/WO2006052033A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01244357A (ja) * | 1988-03-26 | 1989-09-28 | Olympus Optical Co Ltd | 超音波画像形成方法 |
| JPH08333158A (ja) * | 1995-06-02 | 1996-12-17 | Matsushita Electric Ind Co Ltd | 圧電磁器組成物とこれを用いた圧電共振子の製造方法 |
| JP2000327415A (ja) * | 1998-10-21 | 2000-11-28 | Teikoku Chem Ind Corp Ltd | 強誘電体薄膜形成用組成物 |
Non-Patent Citations (4)
| Title |
|---|
| FUKUNAGA M ET AL: "Compact and Simple Apparatus for Measuring Direct Piezoelectricity.", JPN. J. APPL. PHYS., vol. 42, no. 9B, 2003, pages 6115 - 6117, XP002995295 * |
| KISHI H ET AL: "Occupational sites and dielectric properties of rare-earth and Mn substituted BaTiO3.", JOURNAL OF THE EUROPEAN CERAMICS SOCIETY., vol. 21, no. 10-11, 2001, pages 1643 - 1647, XP004301740 * |
| KOKARE S R ET AL: "Studies on compensating valency substituted BaTi (1-x) Mn x/2 Nb x/2 O 3 ceramics.", BULLETIN OF MATERIALS SCIENCE., vol. 24, no. 2, 2001, pages 243 - 248, XP002995296 * |
| WAKINO K ET AL: "BEHAVIOR OF Mn- ION ON ELECTRICAL CONDUCTIVITY OF Nb-DOPED TiO2-BASED CERAMICS.", CERAMIC TRANSACTIONS., vol. 32, 1993, pages 129 - 137, XP008061718 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010100345A2 (fr) | 2009-03-02 | 2010-09-10 | Alex Hr Roustaei | Systeme intelligent de production d'énergie solaire a haut rendement en chambres multiples de capture muni de cellules photovoltaiques a base des nano particules |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006137654A (ja) | 2006-06-01 |
| JP4997521B2 (ja) | 2012-08-08 |
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