WO2004047124A1 - 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
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- WO2004047124A1 WO2004047124A1 PCT/JP2003/014886 JP0314886W WO2004047124A1 WO 2004047124 A1 WO2004047124 A1 WO 2004047124A1 JP 0314886 W JP0314886 W JP 0314886W WO 2004047124 A1 WO2004047124 A1 WO 2004047124A1
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- glass composition
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- conductive material
- resistor paste
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Classifications
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- 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
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- 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
- C03C8/22—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions containing two or more distinct frits having different compositions
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
-
- 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
- H01C17/06546—Oxides of zinc or cadmium
-
- 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
- H01C7/06—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 including means to minimise changes in resistance with changes in temperature
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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
- C04B2235/3289—Noble metal oxides
-
- 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
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Definitions
- the present invention relates to a resistor paste, a resistor, and an electronic component.
- the present invention relates to a resistor paste, a resistor and an electronic component.
- the resistor paste mainly includes a glass material, a conductor material, and an organic vehicle (a binder and a solvent).
- the glass material is included in the resistor paste to adjust the resistance value and to provide bonding to a substrate or the like.
- the resistor paste is printed on a substrate and then fired to form a thick-film (5 to 25 ⁇ ) resistor.
- Patent Documents 1 and 2 Japanese Patent Literatures 1 and 2 below. See Patent Literature 2 and Patent Literature 3).
- thick film resistors are necessary even if they are formed under the same conditions (printing and firing conditions), because the characteristics (resistance value, TCR (temperature characteristics), reliability characteristics, etc.) do not match depending on the substrate used. In order to obtain such characteristics, a resistor developed for the substrate must be used.
- Patent Literature 1 Japanese Patent Application Laid-Open No. Hei 8—2 5 3 3 4 2
- Patent Document 3 Japanese Patent Application Laid-Open No. H11-1-2511105
- Patent Document 4 Japanese Patent Application Laid-Open No. 60-92601 Disclosure of the Invention
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a semiconductor device having a predetermined low resistance value when formed on a dielectric substrate mainly containing parium titanate.
- Lead-free resistor paste suitable for obtaining a resistor with good temperature characteristics (TCR) and reliability characteristics (flux resistance), a resistor formed from the resistor paste, and the resistor It is to provide electronic parts with a body.
- a resistor paste according to the present invention comprises:
- a first glass composition substantially free of lead a second glass composition substantially free of lead in a composition different from that of the first glass composition; and a conductive material substantially free of lead.
- a resistor paste obtained by mixing with an organic vehicle a resistor paste obtained by mixing with an organic vehicle
- the first glass composition contains at least one selected from C a 0, S r ⁇ , and B a O when Z ⁇ ⁇ is 10 mol% or more and less than 10 mol% (including 0),
- the second glass composition contains MnO in an amount of 5 mol% or more and at least one selected from Ca ⁇ , SrO, and BaO in an amount of 10 mol% or more,
- the volume of the powder obtained by adding the conductive material, the first glass composition, the second glass composition, and the additive is 100.
- the volume ratio of the conductive material is 8 to 33% by volume.
- Z n O is 10 mol% to 40 mol%
- B 2 ⁇ 3 is 1 mol% or more 4 0 mol% or less
- C aO-, S R_ ⁇ at least one of less than 10 mole 0/0 selected from B a O ( ⁇ including), total 30 moles of any other first oxide % include the following (including zero), wherein the second glass composition, MnO 5 mol% to 20 mol%, C aO-, S R_ ⁇ , at least one selected from B a O is 10 mol 0/0 above 40 mol 0/0 or less, B 2 ⁇ 3 40 mol% 5 mol% or less, S I_ ⁇ 2 15 mol. /. Not less than 55 mol%, and the total of other optional secondary oxides is not more than 20 mol% (including 0).
- the volume ratio between the first glass composition and the second glass composition contained in the resistor paste is from 8: 2 to 2: 8.
- CuO is further included as an additive, and the conductive material, the first glass composition, the second glass composition, and the additive are totaled.
- the volume addition ratio of CuO to the volume of the powder is more than 0% by volume and 5% by volume or less.
- Mn0 2 and / or T I_ ⁇ further look including the 2, total volume addition rate of MnO 2 and Z or T I_ ⁇ 2, conductive material, the first glass composition, the (2) 0 volume% or more and 5 volume% or less based on the total volume of the powder including the glass composition and the additives.
- CuO is 1% by volume or more and 3% by volume or less based on the total volume of the powder of the conductive material, the first glass composition, the second glass composition and the additive.
- MnO 2 is contained at 0 volume% or more and 5 volume% or less.
- a resistor paste according to the present invention comprises:
- a first glass composition substantially free of lead a second glass composition substantially free of lead in a composition different from that of the first glass composition; and a conductive material substantially free of lead.
- a resistor paste obtained by mixing with an organic vehicle a resistor paste obtained by mixing with an organic vehicle
- the first glass composition contains Z ⁇ of 10 mol% or more and at least one selected from Ca ⁇ , Sr0, and BaO is less than 10 mol% (including 0),
- the second glass composition contains at least one selected from C a 0, S r 0, and B a O at an amount of at least 5 mol% and at least 10 mol ° / 0 ,
- the total weight ratio of the first glass composition and the second glass composition is 100 when the weight of the powder obtained by adding the conductive material, the first glass composition, the second glass composition and the additive is 100. 41.55 to 77.37% by weight, and the weight percentage of the conductive material is 18.41 to 55.36% by weight.
- the first glass composition Z Itashita more than 10 mole% 40 mole percent, B 2 ⁇ 3 1 mol 0 /. Above 40 mol% or less, S I_ ⁇ 2 15 mol% to 60 mol 0/0 or less, C aO-, S and rO, at least one of less than 10 mole 0/0 selected from B a O (0 inclusive), other
- the total of the arbitrary first oxides is 30 mol% or less (including 0)
- the second glass composition contains 5 mol of MnO. /. More than 20 moles. /.
- C aO, S r O, at least one selected from B a O is 10 mol 0/0 over 40 mole 0/0 or less, B 2 ⁇ 3 40 mol% 5 mol% or less, S I_ ⁇ 2 15 mol% or more and 55 mol% or less, and the total of other optional second oxidizing substances is 20 mol% or less (including 0).
- the weight ratio between the first glass composition and the second glass composition contained in the resistor paste is 7.8: 2.2 to 1.8: 8.2.
- Cu is further included as an additive, and the conductive material, the first glass composition, the second glass composition, and the additive are combined.
- the weight ratio of CuO to the weight of the powder obtained is 0 to 4.23% by weight (excluding 0% by weight).
- Myuiotaiota0 further look including the 2 and / or T I_ ⁇ 2, Myuiotaiota0 total weight addition ratio of 2 and Z or T I_ ⁇ 2, conductive material, the first glass composition, the 2 It is 0 to 7.25% by weight based on the total weight of the powder including the glass composition and additives.
- CuO is 1.71 to 3.59 based on the total weight of the powder including the conductive material, the first glass composition, the second glass composition, and the additive.
- Wt%, Mn0 2 is 0-7. Containing 25% by weight.
- the first oxide of any other in the first glass composition is at least one selected from V 2 O s, the sum of the first oxide, 29 mole with respect to the total mole 0/0 of the first glass composition. /. It is as follows (including 0).
- the second oxide of any other in the second glass composition A 12 O a, Z r O 2, ZnO, M g O, B i 2 O 3, T i 0 2, CuO, Co At least one selected from OV 2 O s, wherein the total of the second oxides is the total moles of the second glass composition. 20 mol% or less (including 0) with respect to / 0 .
- the conductive material is a composite oxide of Ru0 2 or Ru.
- the weight ratio of the total weight of the conductive material, the first glass thread and the second glass; the total weight of the additive and the organic vehicle to the organic vehicle is 1: 0.25.
- the resistor of the present invention is formed using the above-mentioned resistor paste, and the electronic component of the present invention has the resistor.
- the electronic component is not particularly limited, it can be suitably used particularly for an isolator.
- the term “substantially free of lead” means that no lead is contained in an amount that cannot be said to be an impurity level. Is 0.05% by weight or less). Lead may be contained in trace amounts as inevitable impurities.
- FIG. 1 is an exploded perspective view of an isolator device as an electronic component having a resistor according to an embodiment of the present invention.
- the reference numerals in FIG. 1 are as follows. 2 ... resin case, 4 ... capacity board, 6 ... ferrite assembly, 8 ... holding resin plate, 10 ... magnet.
- the isolator device includes a resin case 2, a capacity board 4 housed therein, a ferrite assembly 6 installed thereon, and a holding resin plate 8 for holding the ferrite assembly 6 from above. It has a magnet 10 installed thereon and a lid member (not shown) for covering them from above.
- the capacitance substrate 4 in this isolator device is made of a dielectric ceramic such as barium titanate, for example, and a resistor is formed on the surface thereof by a thick film printing method.
- the resistor paste for forming the resistor is constituted by the resistor paste of the present invention.
- the resistor paste of the present invention comprises: a first glass composition substantially free of lead; a second glass composition substantially different from the first glass composition and substantially free of lead; This is a resistor paste made by mixing a conductive material contained in the above with an organic vehicle.
- Conductive material is, for example, complex oxide of R u 0 2 or R u.
- the first glass composition Z n O 1 0 mol% or more preferably 1 0 mol% 4 0 mol% or less, B 2 O s is 1 mol% or more 4 0 mol% or less, S I_ ⁇ 2 There 1 5 mol% 6 0 mole 0/0 or less, the C a O, S r O, at least one of less than 1 0 mol% selected from B a O (including 0), any other first oxide Total is 30 mol% or less (including 0).
- the ZnO content of the first glass composition is less than 10 mol%, the reaction with the substrate is promoted, and the resistance value and the flux resistance of the obtained resistor tend to deteriorate.
- the composition ratio of Z ⁇ ⁇ is too large, the chemical durability as glass decreases, and the flux resistance as a resistor tends to deteriorate.
- B 2 ⁇ 3 is preferably contained in the first glass composition from the viewpoint of improving the glass-forming ability. However, if it is too large, the chemical durability of the glass decreases, so that B 2 ⁇ 3 is used as a resistor. The flux property tends to be poor.
- Si 2 is preferably contained in the first glass composition from the viewpoint of improving the glass-forming ability, but if it is too large, the softening point of the glass becomes high, and under normal firing conditions for resistors, It cannot be sintered sufficiently, and the resistance value and resistance The flux resistance tends to deteriorate.
- C a ⁇ , S r 0, and B a O may be included to improve the chemical durability of the glass and to improve the flux resistance of the resistor, but if too much, reaction with the substrate will occur.
- the resistance value and the flux resistance of the resistor deteriorate. If the total amount of the other optional primary oxides is too large, the chemical durability as glass deteriorates, and the reliability of the resistor, such as flux resistance, deteriorates.
- MnO is 5 mol 0/0 .
- Preferably 5 mol% or more 2 0 mole 0/0 or less than, C A_ ⁇ , S r O, B a least one O is from selected one 0 mole 0/0 or more preferably 1 0 mol% 4 0 Mol 0 /.
- B 2 O 3 is 5 mol% or more 4 0 mol% or less
- the total of any other second oxides is 2 0 mol% or less ( 0 included) included.
- the content of MnO is less than 5 mol% in the second glass and the base material, the temperature characteristics of the obtained resistor tend to deteriorate.
- the composition ratio of MnO is too large, the reaction with the substrate is promoted, so that the resistance value and the flux resistance deteriorate.
- B 2 O a is preferably contained in the second glass composition from the viewpoint of improving the glass-forming ability. However, if it is too large, the chemical durability of the glass is reduced, so that B 2 O a is used as a resistor. The flux property tends to be poor.
- Si 2 is preferably contained in the second glass composition, but if it is too large, the softening point of the glass becomes high, and under normal firing conditions for resistors. It cannot be sufficiently sintered, and the resistance value of the resistor tends to deteriorate.
- the volume of the powder obtained by adding the conductive material, the first glass composition, the second glass composition, and the additive is 100.
- the volume ratio is 65 to 89% by volume
- the volume ratio of the conductive material is 8 to 33% by volume.
- the volume ratio between the first glass composition and the second glass composition contained in the resistor paste is preferably from 8: 2 to 2: 8.
- the weight ratio between the first glass composition and the second glass composition contained in the resistor paste is preferably determined to be 7.8: 2.2 to 1.8: 8.2.
- the reliability as a resistor is remarkably reduced, and the flux resistance tends to be deteriorated.
- the resistance value tends to be too large.
- the volume ratio or the weight ratio of the conductive material is too small, the resistance tends to increase.On the other hand, if the ratio is too large, the reliability as a resistor significantly decreases, and the flux resistance tends to deteriorate. .
- the resistor paste further contains CuO as an additive in addition to the first glass composition and the second glass composition.
- the volume addition ratio of CuO to the total volume of the powder of the conductive material, the first glass composition, the second glass composition and the additives is preferably more than 0% by volume and 5% by volume or less, more preferably 1% by volume. % To 3% by volume.
- the resistor paste as an additive, Mn0 2 and / or T I_ ⁇ 2 is further included.
- Mn0 2 and ⁇ or total volume addition rate of T i 0 2 the conductive material, the first glass composition, the volume of the powder which is the sum of the second glass composition ⁇ Pi additives, good Mashiku is 0 volume. /. At least 5% by volume, preferably MnO 2 is at least 0% by volume and at most 5% by volume.
- Mn0 2 and Z or T i 0 2 Total weight addition ratio of the conductive material, the first glass composition, based on the weight of the powder which is the sum of the second glass compositions and additives, the good Mashiku 0 to 7. a 25% by weight, preferably Mn0 2 is 0 to 7.25 wt%.
- the resistance and temperature characteristics can be adjusted, but if it is too much, the flux resistance tends to deteriorate. It is in.
- the additives other than the glass components CuO, Mn0 2, T i O 2 in addition to the, Mn 3 0 4, ZnO, MgO, V 2 O s, V 2 O s, N b 2 O s, C r 2 O 3, F e 2 0 3, C oO, A 12 O 3, Z r O 2, S nO z, H f O 2, WO s, B it 2 O a is illustrated.
- the first oxide other optional in the first glass composition A l 2 O s, N a 2 0, K 2 0, Z R_ ⁇ 2, MgO, B i 2 ⁇ 3, P 2 O 5, T I_ ⁇ 2, CuO, C oO, at least one selected from V 2 0 5, the sum of the first oxide comprises 29 mol% or less (0 for total mole% of the first glass composition ).
- the properties (softening point, chemical durability) of the glass can be adjusted, and a resistor having arbitrary properties can be obtained, but if the content is too large, The characteristics and reliability of the resistor are reduced.
- the second acid I arsenide of any other of the second glass composition A l 2 ⁇ 3, Z r 0 2, ZnO , MgO, B i 2 O a, T i O 2, CuO, C oO is at least one selected from V 2 OB, the sum of the second oxide is 20 mol 0/0 or less (including zero) with respect to mole% of the total of the second glass composition.
- the properties (softening point, chemical durability) of the glass can be adjusted, and a resistor having arbitrary properties can be obtained, but if the content is too large, The characteristics and reliability of the resistor are reduced.
- the weight ratio of the total weight of the powder including the conductive material, the first glass composition, the second glass composition and the additives to the organic vehicle is within a range of 1: 0.25 to 1: 4. is there. This is to adjust the viscosity of the resistor paste.
- the above-mentioned resistor paste is produced, for example, as follows.
- a first glass composition and a second glass composition are prepared.
- Z nO, B 2 ⁇ 3, S I_ ⁇ 2, C a C0 3, MnO , A 1 0 3, Z r 0 2 Oyopi various oxides (The above-mentioned first oxide or second oxide) is weighed in a predetermined amount, mixed with a ball mill and dried.
- the obtained powder is heated up to 1000-1500 ° C at a heating rate of, for example, 5-30 ° C / min, and the temperature is maintained for 0.5-5 hours (optional). It can be quenched and vitrified by dropping it in water.
- the obtained vitrified product is pulverized with a ball mill to obtain a first glass composition and a second glass composition composed of glass powder. These glass compositions are amorphous.
- an organic vehicle is prepared.
- the organic vehicle is not particularly limited.
- the binder resin ethyl cellulose, polyvinyl butyral, methacrylic resin, butyl methacrylate, and the like can be used.
- the solvent terpineol monobutyl, butycarbidonone, butyric acid-butanolate, toluene, alcohols, xylene and the like can be used.
- the organic vehicle can be produced by dissolving the pinda resin while heating and stirring the solvent.
- the additives contained in other than the first glass composition Contact Yopi second glass composition, C uO, Mn_ ⁇ 2 and / 7 or T I_ ⁇ 2 are exemplified. These additives are weighed together with the conductive material powder, the first glass composition powder, the second glass composition powder, and the organic vehicle so as to have respective compositions, and kneaded with a three-roll mill or the like. Thus, a resistor paste is obtained.
- the weight ratio of the total weight of the conductive powder, the glass composition and the powder of the additive, etc. to the organic vehicle is 1: 0 by weight so that the obtained paste has a viscosity suitable for screen printing. It is preferable to make a paste within the range of 25 to 1: 4 to make a paste.
- the resistor in order to form a B aT i 0 3 in a predetermined pattern on a dielectric substrate whose main component is, for example, it may be used thick film printing method such as screen printing.
- the baking temperature of the resistor paste is preferably 800 to 900C and the holding time thereof is preferably 5 to 15 minutes.
- the electronic component using the resistor paste and the resistor according to the present invention is not limited to the illustrated isolator device, and may be an electronic component such as a multilayer chip capacitor, a C-R composite device, and other module devices. Can be used.
- Example 1 the electronic component using the resistor paste and the resistor according to the present invention is not limited to the illustrated isolator device, and may be an electronic component such as a multilayer chip capacitor, a C-R composite device, and other module devices. Can be used.
- a resistor paste was prepared from a conductive material and a glass composition composed of lead free and baked on a dielectric substrate to form a thick film resistor, and the resistance value was measured.
- the borosilicate glass as a glass composition as the conductive material with Ru0 2.
- the first glass composition ZnO, B 2 0 3, S I_ ⁇ 2, C a COa, S r COa, B a COa Oyopi various oxides (first oxide optional) a predetermined amount ⁇ The mixture was mixed with a ball mill and dried. The obtained powder is put into a platinum crucible, heated to 1300 ° C in air at a rate of 5 ° C_min, kept at that temperature for 1 hour, then quenched by dropping it in water, and quenched. It has become. The obtained vitrified product was pulverized with a ball mill to obtain a first glass composition powder.
- the second glass composition is prepared by weighing a predetermined amount of MnO, B Os, Si 2 , Ca COs, S r COs, Ba COs and various oxides (arbitrary second oxides). And dried in the same manner as in the first glass composition to obtain a second glass composition powder. Observation by XRD of these glass composition powders confirmed that they were amorphous.
- Table 1 below shows the obtained first glass composition and second glass composition.
- the first glass composition glass compositions of sample numbers A1 to A5 were prepared.
- the second glass composition glass compositions of sample numbers B1 to B9 were prepared. Table 1 shows the composition ratio (mol%).
- the first glass compositions of Sample Nos. A5 and A7 to A9 each had ⁇ of 10 mol. /. Therefore, it is out of the scope of the present invention.
- the content of ⁇ is 5 mol. /. Therefore, it is out of the scope of the present invention.
- Table 1 samples outside the scope of the present invention are marked with *.
- Ethyl cellulose was prepared as a binder resin, and terbineol was used as a solvent.
- the binder resin was dissolved while heating and stirring the solvent to prepare an organic vehicle.
- the organic vehicle contained 8 parts by weight of a binder resin, 90 parts by weight of a solvent, and 2 parts by weight of a dispersant as another component.
- the powder of the conductive material, the glass powder, the additive, and the organic vehicle prepared as described above were weighed so as to have respective compositions, and kneaded with a three-roll mill to obtain a resistor paste.
- the weight ratio of the total weight of the conductive powder, the glass composition and the powder of the additive, etc., to the weight of the organic vehicle is from 1: 0.25 to 1:25 so that the obtained paste has a viscosity suitable for screen printing.
- Compounding was performed within the range of 1: 4, and as shown in Table 2, various combinations of resistor paste samples 1 to 31 were prepared.
- Table 2 shows the type of conductive material, its volume ° / 0 , the combination of the first glass composition and the second glass composition, its volume ratio and total volume%, the type of additive, and its volume%. It has been described.
- Table 3 shows the conversion of the volume% conversion values shown in Table 2 to weight% conversion. In Tables 2 and 3, samples outside the scope of the present invention are marked with *.
- Sample number Conductive material Glass composition Carohydrate type Volume 0 / o 1st 2nd volume ratio a BT volume 0 / o type
- An Ag-Pt conductor paste was screen-printed in a predetermined shape on a dielectric substrate mainly composed of BaTiOa and dried. Ag in the Ag—Pt conductor paste was 95% by mass, and Pt was 5% by mass. This dielectric substrate was placed in a belt furnace and baked in a one-hour pattern from loading to discharging. The baking temperature was 850 ° C and the holding time was 10 minutes. The conductor paste was formed in this manner, and the resistor paste prepared as described above was screen-printed in a predetermined shape on the dielectric substrate and dried. Then, the resistor paste was baked under the same conditions as the conductor baking to obtain a thick film resistor.
- the sheet resistance ( ⁇ / D) was measured.
- the sheet resistance was measured by using product number 34401A manufactured by Agilent Tecnolgoies.
- TCR Temporal Characteristics
- a predetermined but not limited to, for example, about 10 to 300 Omega / mouth
- a predetermined but not limited to, for example, about 10 to 300 Omega / mouth
- TCR temperature characteristic
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- Microelectronics & Electronic Packaging (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Non-Adjustable Resistors (AREA)
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004553226A JP4174051B2 (ja) | 2002-11-21 | 2003-11-21 | 抵抗体ペースト、抵抗体および電子部品 |
EP03774128A EP1564757B1 (en) | 2002-11-21 | 2003-11-21 | Electrical resistor paste, electrical resistor and electronic device |
US10/535,890 US7282163B2 (en) | 2002-11-21 | 2003-11-21 | Resistor paste, resistor, and electronic device |
Applications Claiming Priority (2)
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EP (1) | EP1564757B1 (ja) |
JP (1) | JP4174051B2 (ja) |
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WO (1) | WO2004047124A1 (ja) |
Cited By (2)
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JP2011518104A (ja) * | 2008-04-18 | 2011-06-23 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | ルテニウム酸化物を有する、鉛を含有しない抵抗組成物 |
JP2018058716A (ja) * | 2016-10-04 | 2018-04-12 | 日本電気硝子株式会社 | ホウケイ酸系ガラス、複合粉末材料及び複合粉末材料ペースト |
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DE112005001527B4 (de) * | 2004-07-06 | 2019-10-02 | Murata Manufacturing Co., Ltd. | Elektrisch leitfähige Paste und eine elektrisch leitfähige Paste aufweisendes keramisches Elektronikbauelment |
TW200639880A (en) * | 2005-02-21 | 2006-11-16 | Tdk Corp | Thick-film resistor and its production process |
CN102007080B (zh) * | 2008-04-18 | 2014-05-07 | E.I.内穆尔杜邦公司 | 使用含铜玻璃料的电阻器组合物 |
US8815125B2 (en) * | 2012-06-20 | 2014-08-26 | E. I. Du Pont De Nemours And Company | Method of manufacturing a resistor paste |
KR101738326B1 (ko) | 2014-09-12 | 2017-05-19 | 소에이 가가쿠 고교 가부시키가이샤 | 저항 조성물 |
CN104464877A (zh) * | 2014-12-26 | 2015-03-25 | 常熟联茂电子科技有限公司 | 一种环保型电阻浆料 |
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US10115505B2 (en) * | 2017-02-23 | 2018-10-30 | E I Du Pont De Nemours And Company | Chip resistor |
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JPH04196105A (ja) | 1990-11-26 | 1992-07-15 | Tanaka Kikinzoku Internatl Kk | 厚膜抵抗組成物 |
JPH04196104A (ja) | 1990-11-26 | 1992-07-15 | Tanaka Kikinzoku Internatl Kk | 厚膜抵抗ペースト |
US5491118A (en) * | 1994-12-20 | 1996-02-13 | E. I. Du Pont De Nemours And Company | Cadmium-free and lead-free thick film paste composition |
JP3019136B2 (ja) | 1995-03-09 | 2000-03-13 | 株式会社住友金属エレクトロデバイス | 厚膜ペースト及びそれを用いたセラミック回路基板 |
JP3209089B2 (ja) * | 1996-05-09 | 2001-09-17 | 昭栄化学工業株式会社 | 導電性ペースト |
JP3611160B2 (ja) * | 1997-02-10 | 2005-01-19 | 株式会社村田製作所 | 厚膜抵抗体ペースト |
JP4006814B2 (ja) | 1998-03-04 | 2007-11-14 | 株式会社村田製作所 | 厚膜抵抗ペーストおよびその製造方法 |
JP3731803B2 (ja) | 1999-10-28 | 2006-01-05 | 株式会社村田製作所 | 厚膜抵抗体 |
-
2003
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- 2003-11-21 WO PCT/JP2003/014886 patent/WO2004047124A1/ja active Application Filing
- 2003-11-21 CN CNB2003801090857A patent/CN100538921C/zh not_active Expired - Lifetime
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JP2002198203A (ja) * | 2000-12-25 | 2002-07-12 | Tdk Corp | 抵抗体ペースト、該ペーストを用いて形成した厚膜抵抗体及び該厚膜抵抗体を有する回路基板 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011518104A (ja) * | 2008-04-18 | 2011-06-23 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | ルテニウム酸化物を有する、鉛を含有しない抵抗組成物 |
JP2018058716A (ja) * | 2016-10-04 | 2018-04-12 | 日本電気硝子株式会社 | ホウケイ酸系ガラス、複合粉末材料及び複合粉末材料ペースト |
WO2018066295A1 (ja) * | 2016-10-04 | 2018-04-12 | 日本電気硝子株式会社 | ホウケイ酸系ガラス、複合粉末材料及び複合粉末材料ペースト |
Also Published As
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EP1564757A1 (en) | 2005-08-17 |
JPWO2004047124A1 (ja) | 2006-03-23 |
EP1564757A4 (en) | 2008-12-24 |
TWI293466B (ja) | 2008-02-11 |
CN1742347A (zh) | 2006-03-01 |
CN100538921C (zh) | 2009-09-09 |
JP4174051B2 (ja) | 2008-10-29 |
US20060052229A1 (en) | 2006-03-09 |
EP1564757B1 (en) | 2012-03-28 |
US7282163B2 (en) | 2007-10-16 |
TW200419593A (en) | 2004-10-01 |
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