WO2004107365A1 - 抵抗体ペースト、抵抗体および電子部品 - Google Patents
抵抗体ペースト、抵抗体および電子部品 Download PDFInfo
- Publication number
- WO2004107365A1 WO2004107365A1 PCT/JP2003/007724 JP0307724W WO2004107365A1 WO 2004107365 A1 WO2004107365 A1 WO 2004107365A1 JP 0307724 W JP0307724 W JP 0307724W WO 2004107365 A1 WO2004107365 A1 WO 2004107365A1
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- WO
- WIPO (PCT)
- Prior art keywords
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- content
- resistor
- lead
- additive
- Prior art date
Links
- 239000000654 additive Substances 0.000 claims abstract description 71
- 239000011521 glass Substances 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 60
- 230000000996 additive effect Effects 0.000 claims abstract description 53
- 239000013078 crystal Substances 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims description 52
- 239000000843 powder Substances 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 7
- KOAWAWHSMVKCON-UHFFFAOYSA-N 6-[difluoro-(6-pyridin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl]quinoline Chemical compound C=1C=C2N=CC=CC2=CC=1C(F)(F)C(N1N=2)=NN=C1C=CC=2C1=CC=NC=C1 KOAWAWHSMVKCON-UHFFFAOYSA-N 0.000 claims description 5
- 230000001568 sexual effect Effects 0.000 claims 1
- 229910002971 CaTiO3 Inorganic materials 0.000 abstract 1
- 229910019096 CoTiO3 Inorganic materials 0.000 abstract 1
- 229910005451 FeTiO3 Inorganic materials 0.000 abstract 1
- 229910017676 MgTiO3 Inorganic materials 0.000 abstract 1
- 229910002370 SrTiO3 Inorganic materials 0.000 abstract 1
- 229910002113 barium titanate Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 11
- 239000010408 film Substances 0.000 description 10
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 10
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
- 241001654684 Pinda Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 241000238565 lobster Species 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- -1 more preferably Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
- H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
- H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
- H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
- H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of oxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/003—Thick film resistors
Definitions
- the present invention relates to a resistor paste, a resistor and an electronic component.
- a resistor paste is mainly composed of a glass material for adjusting a resistance value and providing a bonding property, a conductor material, and an organic vehicle (a binder and a solvent). This resistor paste is printed on a substrate and then fired to form a thick-film (about 10 to 15 ⁇ m) resistor.
- a thick film resistor with a sheet resistance value of 100 k ⁇ / port or higher has a high temperature resistance (TCR), generally a negative value, and a Cu Additives such as O are added as TCR regulators to make the TCR close to zero.
- TCR high temperature resistance
- O Cu Additives
- An object of the present invention is to provide a lead-free resistive antibody suitable for obtaining a resistor, which has a low temperature characteristic (TCR) and a short time overload (STOL) while having a high resistance value. Is to provide a paste. Further, the present invention provides a resistor having a small resistance temperature characteristic (TCR) and short-time overload (STOL) while having a high resistance, and an electronic component such as a circuit board having the resistor. The purpose is also to do.
- TCR low temperature characteristic
- STOL short time overload
- a resistor paste according to the first aspect of the present invention comprises: a glass material substantially free of lead; a conductive material substantially free of lead; Includes NiO as an object.
- substantially free of lead means that lead as an impurity may be contained in a glass material or a conductive material at about 0.05 V o 1% or less. .
- the resistor according to the first aspect of the present invention includes:
- It has a glass material substantially free of lead, a conductive material substantially free of lead, and NiO as an additive.
- the electronic component according to the first aspect of the present invention includes:
- the resistor has a glass material substantially free of lead, a conductive material substantially free of lead, and NiO as an additive.
- the content of the glass material is 60 V o1 (volume)% or more and less than 91 V o.1%, and the content of the conductive material is 8 V o 1% or more. 32 V o 1% or less.
- CuO is further contained as an additive, and the content of CuO is more than 0 Vo 1% and 8 Vo 1% or less.
- the content of NiO is 2 Vo 1% or more and 12 Vo 1% or less
- the content of CuO is 1 Vo 1% or more and 2 Vo 1% or less. It is.
- the resistor paste according to the second aspect of the present invention includes:
- It includes a glass material substantially free of lead, a conductive material substantially free of lead, an organic vehicle, and an acid having a perovskite-type crystal structure as an additive.
- the resistor according to the second aspect of the present invention includes:
- It has a glass material substantially free of lead, a conductive material substantially free of lead, and an oxide having a perovskite crystal structure as an additive.
- the electronic component according to the second aspect of the present invention includes:
- the oxide having a pair Robusukai preparative crystal structure (crystal structure expressed by ABX 3), CaT I_ ⁇ 3, S r T i 0 3 , B a T i 0 3, C a Z R_ ⁇ 3, S r Z r 0 3 , N i T i 0 3, mnT i 0 3j C o T i 0 3) F e T i O CUT i O s, in addition to the simple base Ropusukai preparative such MgT i 0 3, defects Bae lobster force I DOO also include such composite Bae Ropusukaito.
- S r T i 0 3, B a T i 0 3, C o T i is preferably used at least one of O 3.
- the content of the glass material is 63 Vo 1% or more and 88 Vo 1% or less (preferably 84 Vo 1% or less).
- the amount is not less than 8 Vo 1% and not more than 30 Vo 1%.
- CuO may be contained, and the content of CuO is preferably more than 0 Vo 1% and 8 Vo 1% or less.
- the content of the oxide having the veropskite-type crystal structure is more than 0 Vo 1% and 13 Vo 1% or less. More preferably, the content of the oxide having a perovskite-type crystal structure is 1 Vo 1% or more and less than 12 Vo 1%, and in that case, the CuO content is preferably 1 V o 1% or more and 8 V o Less than 1%.
- the oxide having the perovskite-type crystal structure is a C a T i 0 3 is preferably, C a T i 0 content of 3 or more 1% 2 V o 1 2 V o 1% And the content of CuO is 2 Vo 1% or more and less than 8 Vo 1%.
- NiO may be further contained as an additive, and the content of Ni is preferably more than 0 Vo 1%, 12 Vo 1% or less, more preferably 2 Vo 1% or less. % To 12 V o 1% or less.
- MgO as an additive is preferably further contained, and the content of MgO is 2 Vo1% or more and 8 Vo1 or more. % Or less.
- the content of NiO is more than 0 vo 1% and 12 vo 1% or less, more preferably 2 Vo 1% or more and 12 Vo 1% or less.
- Z ⁇ as an additive is further contained, and the content of the ⁇ is Ivo 1% or more and 4Vo 1% or less.
- the glass material is N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethylene oxide
- the glass material is N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethylene oxide
- Group D containing at least one member selected from 3 .
- the content of each group is
- Group A 20 m o 1. /. More than 40 m o 1% or less
- Group B 55mo 1% or more, 75mo 1% or less
- Group C More than 0 mO 1% and less than 10 mO 1%.
- the content of the group D is 0 mo 1% or more and 511101% or less.
- the conductive material comprises a composite oxide of RuO z or Ru.
- the ratio (W2 / W1) of the total weight (W1) of the respective powders of the glass material, the conductive material and the additive to the weight of the organic vehicle (W2) is 10.25 to 4.
- the conductive material ⁇ Pi glass material composed of lead-free, and adding a specific additive such as oxide having a pair Ropusukaito type crystal structure such as N i O or C a T i 0 3 resistance make up the body paste.
- the resistor formed by using this has a high resistance value (for example, 100 k ⁇ or more, preferably ⁇ / b or more), but the absolute value of the temperature characteristic (TCR) of the resistance value.
- Low eg, less than ⁇ 150 ppm / ° C, preferably less than ⁇ 100 ppm / ° C
- STOL low short-term overload
- the resistor formed by using the resistor paste of the present invention can maintain good characteristics even when the temperature or applied voltage in a use environment changes, and thus has high utility.
- the resistor according to the present invention can be applied not only to a single-layer or multilayer circuit board, but also to an electrode portion such as a capacitor or an inductor.
- the electronic component according to the present invention includes, but is not limited to, a circuit board, a capacitor, an inductor, a chip resistor, an isolator, and the like.
- the resistor paste according to the first embodiment of the present invention includes a glass material substantially free of lead, a conductive material substantially free of lead, an organic vehicle, and an additive.
- the glass material is substantially free of lead, but are not limited to, C aO, S r O, and A group including at least one selected from B a O and Mg_ ⁇ , B 2 0 3 and S i 0 and group B comprising one or both of 2, it is preferable to have a C group including one-way or both of Z R_ ⁇ 2 and a 1 2 0 3. Glasses of these groups A to C The use of materials improves short-time overload (STOL) characteristics without lead.
- STOL short-time overload
- Its glass material more preferably, ZnO, MnO, CuO, C oO, L ia 0, N a 0, K 2 0, P 2 O s, T i 0 2, B " ⁇ 3, V 2 O s , Oyo Pi F e 2 0 3 further comprising a D group containing at least one selected from. by including D groups of glass material, temperature characteristic of resistance value (TCR) and short time overload (S TOL) characteristics are improved.
- TCR temperature characteristic of resistance value
- S TOL short time overload
- each group is as follows: Group A: 2 Omo 1% or more and 40 mO 1% or less, Group B: 55 mO 1. /. At least 75 mo 1% or less, Group C: more than 1% Omo and less than 10mo 1%, Group D: preferably Omo 1% or more and 5mo 1% or less, more preferably Group A: 25mo 1% More than 35 mo 1% or less, Group B: 58 mo 1. /. Not less than 70 m o 1%, Group C: 3 m o 1% or more, 6 mo 1% or less, Group D: 2 m o 1% or more, 5 m o 1% or less. With such a content, short-time overload (STOL) characteristics are improved.
- STOL short-time overload
- the content of such a glass material is preferably 60 V o 1% or more and less than 91 V o 1 ° / 0 , and more preferably 70 V o 1% or more and 89 V o 1% or less. If the content of the glass material is too small, the resistance tends to be low, and if the content is too large, the resistance tends to be too high.
- the conductive material substantially free of lead are not limited to, other ruthenium oxide, A g- P d alloy, T a N, L a B 6, WC, Mo S i 0 2, T a And SiO 2 and metals (Ag, Au, Pd, Pt, Cu, Ni, W, Mo, etc.). These substances may be used alone or in combination of two or more. Among them, ruthenium oxide is preferable.
- the content of such a conductive material is preferably not less than 8 Vo 1% and not more than 32 Vo 1%, and more preferably not less than 8 Vo 1% and not more than 28 Vo 1%. If the content of the conductive material is too small, the resistance tends to increase, and STOL tends to deteriorate. If the content is too large, the resistance tends to decrease.
- the organic vehicle is obtained by dissolving pinda in an organic solvent.
- the binder used for the organic vehicle is not particularly limited, and may be appropriately selected from various kinds of ordinary binders such as ethyl cellulose and polyvinyl butyral.
- the organic solvent used is not particularly limited, and may be appropriately selected from various organic solvents such as terbineol, butyl carbitol, acetone, and toluene.
- the first embodiment is characterized in that it contains NiO as an additive.
- NiO as an additive.
- the content of such NiO is preferably more than 0 Vo 1% and 12 Vo 1% or less, more preferably 2 Vo 1% or more and 12 Vo 1% or less.
- CuO serves as a TCR regulator.
- the content of CuO is preferably more than 0 Vo 1% and 8 Vo 1% or less, more preferably 1 Vo 1% or more and 2 Vo 1% or less.
- STOL short-term overload
- MgO acts as a TCR regulator.
- the content of MgO is It is preferably 2 v ⁇ 1% or more and 8 ⁇ 1% or less, more preferably 4 V ⁇ 1% or more and 8 V ⁇ 1% or less. As the amount of added Mg ⁇ increases, the STOL tends to deteriorate.
- TCR modifiers for example, Mn0 2, V 2 0 5 , T i 0 2, ⁇ 2 0 3, ⁇ b 2 0 5, C r 2 0 3, F e 2 ⁇ , CoO, A 1 0 3, Z r 0 2, S ⁇ ⁇ , ⁇ f 0 2, etc. W0 3 and beta i zeta Omicron like.
- the resistor paste may be produced by adding an organic vehicle to a conductive material, a glass material, and various additives, and kneading the resultant with, for example, a three-roll mill.
- the ratio (W2ZW1) of the total weight (W1) of the powders of the glass material, the conductive material, and the additive to the weight (W2) of the organic vehicle is preferably 0.25 to 4. And more preferably 0.5 to 2. If the ratio (W2 / W1) is too low, it is difficult to reduce the cost and the paste viscosity tends to increase. If the ratio (W2 / W1) is too high, the paste viscosity tends to be lower than that suitable for screen printing.
- the above-mentioned resistor paste is formed on a substrate such as alumina, glass ceramics, a dielectric, or A1N by, for example, a screen printing method and dried, and dried at a temperature of about 800 to 900 ° C for 5 to 5 ° C. By baking for about 15 minutes, a resistor can be obtained.
- the obtained resistor has a glass material substantially free of lead, a conductive material substantially free of lead, and NiO as an additive.
- the thickness of the resistor may be a thin film, but is usually 1 ⁇ or more, preferably about 10 to 15 ⁇ .
- This resistor can be applied not only to a single-layer or multi-layer circuit board, but also to electrodes such as capacitors and inductors.
- the resistor paste according to the second embodiment of the present invention includes a glass material substantially free of lead, a conductive material substantially free of lead, an organic vehicle, and C a Ti ⁇ as an additive. Including 3 .
- the types of the glass material substantially free of lead, the conductive material substantially free of lead, and the organic vehicle are the same as in the first embodiment.
- the content of the organic vehicle is the same as in the first embodiment, but the content of the glass material and the content of the conductive material are different.
- the content of the glass material is preferably 63 Vo 1% or more and 84 Vo 1% or less, more preferably 70 Vo 1% or more and 84 Vo 1% or less.
- the content of the conductive material is preferably 8 Vo 1% or more and 30 Vo 1% or less, and more preferably 8 Vo 1% or more and 26 Vo 1% or less.
- the second embodiment that they comprise a C a T i 0 3 as an additive is characterized.
- the TCR and STOL of the obtained resistor can be balanced.
- the content of such a C a T i 0 3 is preferably from O vol% than 13 V o 1%, more preferably less than 2v ol% or more 12 V o 1%.
- CuO plays a role as a TCR regulator as in the first embodiment.
- the content of CuO is preferably more than 0 Vo 1% and 8 Vo 1% or less, more preferably 2 Vo 1% or more and less than 8 Vo 1%.
- ZnO as an additive is further contained.
- ZnO plays a role as a T.CR regulator.
- the content of Z ⁇ is It is preferably 1 v ⁇ 1% or more and 4 ⁇ 1% or less, more preferably 2 V ⁇ 1% or more and 4 V ⁇ 1% or less.
- Resistive paste according to the present invention a glass material that does not contain lead virtually, a conductive material which does not contain lead substantive, an organic vehicle, as an additive, other than C a T I_ ⁇ 3 And oxides having a perovskite crystal structure.
- the same glass material as in the first embodiment is used, and is not particularly limited, but at least one selected from CaO, SrO, BaO, and MgO it is preferred to; the group a containing a group B comprising one or both of B 2 0 3 and S i 0 2, and a C group containing one or both of Z R_ ⁇ 2 and a 1 2 0 3 . More preferably, Z nO, MnO, C u 0, C o 0, L i 2 0, N a 2 0, K 2 0, P 2 Os, T i 0 2, B i 2 0 3, V 2 0 5 , and further comprising a D group containing at least one selected from F e 2 O.
- each group is as follows: Group A: 20mo 1% or more and 40mo 1% or less, Group B: 55mo 1% or more and 75mo 1% or less, Group C: more than 0mo 1% 10mo 1 % Or less, Group D: preferably from 0mo 1% to 5mo 1%, more preferably Group A: 25mo 1% to 35mo 1%, Group B: 58mo 1% to 70mo 1. /. Below, Group C: 3 m0 1% or more and 6 m0 1% or less, Group D: 2 m0 1% or more and 5 m0 1% or less.
- the same conductive material as in the first embodiment is used as a conductive material substantially free of lead. It is, but are not limited to, other ruthenium oxide, Ag- P d alloy, TaN, L a B 6, WC, Mo S i 0 2, Ta S i 0 2, and the metal (A g, Au, P d , Pt ;, Cu, Ni, W, Mo, etc.). Each of these substances may be used alone or in combination of two or more. Among them, ruthenium oxide is preferable. The ruthenium oxide, other ruthenium oxide (Ru 0 2, Ru 0 3 , R u O 4), ruthenium-based pyrochlore (B i 2 R u 2 O , etc.
- T 1 Ru 2 ⁇ or a composite oxide of ruthenium (S rRu0 3, C a RuOa , such as B a RuOa) such are also included.
- composite oxides of ruthenium oxide Ya ruthenate Yuumu is preferred, more preferably Ru0 2 and S r Ru_ ⁇ 3, C a RuOa, such as B a R u 0 3.
- the content of the glass material is preferably 63 Vo 1% or more and 88 Vo 1% or less, more preferably 70 Vo 1% or more and 84 Vo 1% or less. Further, the content of the conductive material is preferably 8 Vo 1% or more and 30 Vo 1% or less, more preferably 8 Vo 1% or more and 26 Vo 1% or less.
- a C a T i 0 is characterized that it includes an oxide having 3 non-Bae Robusukai preparative crystal structure.
- 0 V o is preferably 1 percent 13 V o 1% or less, more favorable Mashiku 1 V o 1% or more It is less than 12 Vo 1%, more preferably 2 Vo 1% or more and less than 12 Vo 1%.
- CuO serves as a TCR regulator.
- the content of CuO is preferably more than 0 Vo 1% and 8 Vo 1% or less, more preferably. More preferably, it is 1 v ⁇ 1% or more and less than 8 ⁇ 1%, and more preferably 2 V ⁇ 1% or more and less than 8 ⁇ 1%.
- STOL short-time overload
- ZnO acts as a TCR regulator.
- the content of Z ⁇ is 1
- It is preferably from 1% to 4Vo, and more preferably from 1% to 4Vo1%.
- the STOL tends to deteriorate.
- MgO serves as a TCR modulator.
- the content of MgO is 2
- It is preferably from 1% to 8Vo 1%, and more preferably from 1% to 8Vo1%.
- the STOL tends to deteriorate.
- TCR modifiers for example, Mn0 2, V 2 0 5 , T i ⁇ , ⁇ 2 0 3, Nb 2 0 5, C r 2 ⁇ 3, F e 2 ⁇ a, C oO, A 1 0 3, ⁇ r 0 2, S ⁇ ⁇ ⁇ , such as H f ⁇ 2, WOA and beta i 2 Omicron like.
- the resistor paste according to the present embodiment is manufactured in the same manner as in the first embodiment. Oxidizing the resulting resistor, having a glass material substantially free of lead, and conductive material substantially free of lead, as an additive, a Ca T i 0 3 non-Bae Robusukai preparative crystal structure With things.
- the film thickness of the resistor may be a thin film, but is usually not less than l jum, preferably about 10 to 15 ⁇ .
- This resistor can be applied not only to a single-layer or multi-layer circuit board, but also to electrodes such as capacitors and inductors.
- a conductive material was produced as follows. And Ca C0 3 or Ca (OH) 2 powder in a predetermined amount, and a Ru0 2 powder were weighed so as to satisfy the composition of CaRuOs, dried and mixed with a ball mill. The obtained powder was heated to 1400 ° C at a rate of ⁇ ⁇ ⁇ in, kept at that temperature for 5 hours, and then cooled to room temperature at a rate of 5 ° C / min. The resulting C ARu0 3 compound was ground in ball mill to obtain a CaRu_ ⁇ 3 powder. XRD confirmed that the desired compound was obtained as a single phase in the obtained powder.
- a glass material was prepared as follows. A predetermined amount of Ca C0 3, B 2 0 3 , S I_ ⁇ 2, Z R_ ⁇ 2 ⁇ Pi various oxides were weighed so as to satisfy the final composition shown in Table 1 (nine), mixed in a ball mill And dried. The obtained powder was heated to 1300 ° C at a rate of 5 ° C / mi ⁇ , kept at that temperature for 1 hour, and then rapidly cooled by dropping in water to vitrify. The obtained vitrified product was pulverized with a ball mill to obtain a glass powder. XRD confirmed that the obtained glass powder was amorphous.
- An organic vehicle was made as follows. While heating and stirring turbineol as a solvent, ethyl cellulose as a resin was dissolved to prepare an organic vehicle.
- additives as shown in Table 2 were selected.
- the prepared conductive material powder and glass powder and the selected additives were weighed so as to have the respective compositions shown in Table 2, and an organic vehicle was added thereto. A body paste was obtained.
- the ratio of the total weight of the conductive powder, the glass material and the additive powder to the weight of the organic vehicle is 1: 0.25 to 1: 4 by weight so that the obtained paste has a viscosity suitable for screen printing.
- the mixture was appropriately mixed within the range described above, and the pace was toyed.
- An Ag—Pt conductor paste was screen-printed in a predetermined shape on a 96% alumina substrate and dried.
- Ag—Ag in the Pt conductor paste was 95% by weight, and Pt was 5% by weight.
- the alumina substrate was placed in a belt furnace, and a conductor was baked on the substrate in a pattern of one hour from charging to discharging. The baking temperature was 850 ° C and the holding time at this temperature was 10 minutes.
- the resistor paste prepared as described above was screen-printed in a predetermined shape (1 ⁇ 1 mm) on the alumina substrate on which the conductor was formed, and dried. Then, the resistor paste was baked under the same conditions as the conductor baking to obtain a thick film resistor. The thickness of the resistor was 12 m.
- the TCR and STOL of the obtained thick film resistor were evaluated.
- TCR temperature characteristic of resistance value
- HTCR high-temperature side TCR
- CTCR cold side TCR
- STOL short-time overload
- sample 1 As shown in Table 2, the following was understood regarding the presence or absence of additives (samples 1 to 3).
- sample 1 containing no additive STOI ⁇ S-0.8% was suppressed as low as possible, but TCR deterioration was observed.
- Sample 2 containing CuO as an additive the TCR was suppressed to ⁇ 95% as low as that of Sample 1, but the STOL was extremely degraded to 13.7%.
- Sample 3 which contained N 2 O as an additive, the TCR could be adjusted to within ⁇ 100%, and the STOL could be kept as low as 10.8%.
- Samples 1 and 2 show comparative examples, and sample 3 shows an example.
- Type of additive was about when instead of N i O in C a T i 0 3 (samples 22-28), it is understood that follows.
- the case of adding CaT i 0 3 alone (Sample 22) the adjustment effect of TCR is small, significantly effect there ivy for reduction of S TO L.
- samples 23 to 28 When other additives were added to CaTiOS (samples 23 to 28), a marked decrease in STOL was also observed.
- the combination of CaTioa and CuO has a large effect, and adding ⁇ can further reduce the STOL (samples 25 to 27).
- Samples 22 to 28 are all examples.
- samples 1, 2, 29-33 As shown in Table 3, the following was understood regarding the presence or absence of additives (samples 1, 2, 29-33).
- Sample 1 containing no additives the ratio of 3 was reduced to as low as 10.8%, but TCR deterioration was observed.
- Sample 2 containing CuO as an additive the TCR was suppressed to ⁇ 95% as low as that of Sample 1, but the STOL was extremely deteriorated to -13.7%.
- S r T I_ ⁇ 3 and B aT I_ ⁇ Sample 29-33 comprising at least one of 3, can be adjusted TCR within 100% ⁇ , yet even one 0. For STOL 8 %.
- Samples 1 and 2 show comparative examples, and samples 29 to 33 show examples.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Non-Adjustable Resistors (AREA)
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/558,292 US20070018776A1 (en) | 2003-05-28 | 2003-06-18 | Resisting paste, resistor, and electronic parts |
GB0524270A GB2420012B (en) | 2003-05-28 | 2003-06-18 | Resisting paste, resistor and electronic parts |
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JP2003150489A JP3992647B2 (ja) | 2003-05-28 | 2003-05-28 | 抵抗体ペースト、抵抗体および電子部品 |
JP2003-150489 | 2003-05-28 |
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WO2004107365A1 true WO2004107365A1 (ja) | 2004-12-09 |
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PCT/JP2003/007724 WO2004107365A1 (ja) | 2003-05-28 | 2003-06-18 | 抵抗体ペースト、抵抗体および電子部品 |
Country Status (6)
Country | Link |
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US (1) | US20070018776A1 (ja) |
JP (1) | JP3992647B2 (ja) |
CN (1) | CN100565717C (ja) |
GB (1) | GB2420012B (ja) |
TW (1) | TW594804B (ja) |
WO (1) | WO2004107365A1 (ja) |
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EP1693858A1 (en) * | 2005-02-21 | 2006-08-23 | TDK Corporation | Thick film resistor, manufacturing method thereof, glass composition for thick film resistor and thick film resistor paste |
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WO2014175013A1 (ja) * | 2013-04-25 | 2014-10-30 | 株式会社村田製作所 | 導電性ペーストおよび積層セラミック電子部品 |
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KR102005291B1 (ko) | 2015-02-27 | 2019-07-30 | 페로 코포레이션 | 로우-k 및 미드-k ltcc 유전체 조성물 및 소자 |
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CN106531283A (zh) * | 2017-01-12 | 2017-03-22 | 东莞珂洛赫慕电子材料科技有限公司 | 一种氮化铝基材用大功率厚膜电路银钌电阻浆料及其制备方法 |
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- 2003-06-18 CN CNB038268612A patent/CN100565717C/zh not_active Expired - Lifetime
- 2003-06-18 US US10/558,292 patent/US20070018776A1/en not_active Abandoned
- 2003-06-18 WO PCT/JP2003/007724 patent/WO2004107365A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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US20070018776A1 (en) | 2007-01-25 |
GB2420012A (en) | 2006-05-10 |
GB2420012B (en) | 2007-02-21 |
JP3992647B2 (ja) | 2007-10-17 |
JP2004356266A (ja) | 2004-12-16 |
TW594804B (en) | 2004-06-21 |
CN100565717C (zh) | 2009-12-02 |
GB0524270D0 (en) | 2006-01-04 |
TW200426860A (en) | 2004-12-01 |
CN1820330A (zh) | 2006-08-16 |
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