WO2018068989A1 - Verfahren zur herstellung eines schichtaufbaus unter verwendung einer paste auf basis einer widerstandslegierung - Google Patents
Verfahren zur herstellung eines schichtaufbaus unter verwendung einer paste auf basis einer widerstandslegierung Download PDFInfo
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- WO2018068989A1 WO2018068989A1 PCT/EP2017/073421 EP2017073421W WO2018068989A1 WO 2018068989 A1 WO2018068989 A1 WO 2018068989A1 EP 2017073421 W EP2017073421 W EP 2017073421W WO 2018068989 A1 WO2018068989 A1 WO 2018068989A1
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Classifications
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- 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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- 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
- H01C17/06553—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of a combination of metals and oxides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/05—Alloys based on copper with manganese as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- 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
- H01C17/06526—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of metals
-
- 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
- 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
- H01C17/06593—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the temporary binder
-
- 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 invention relates to a method for producing a layer structure on a substrate using a resistor alloy based paste, as well as the resulting layer structure and its use.
- alloys with a low temperature coefficient of electrical resistance are used.
- Such alloys with a low TCR value are considered within the scope of the invention
- a typical resistance alloy with a low TCR value is e.g. ISOTAN® (also known as CuNi44, Material No. 2.0842).
- ISOTAN® also known as CuNi44, Material No. 2.0842
- the alloy layers are applied to a substrate having a surface of a glass or ceramic material. In most cases, resistance alloys in the form of sheets or sheets, by roll-plating or
- a glass frit-containing resistance alloy paste which is based on an Al 2 O 3 Substrate is applied.
- a glass frit is added to resistor alloy paste, it has the disadvantage that the TCR value of the post-baked layer may differ from the TCR value of the .beta. // resistance alloy, so that the advantageous electrical properties of the resistance alloy in the so-called formed composite can not come to fruition.
- the object underlying the present invention is to provide a method for producing layers of resistance alloys on glass or ceramic surfaces, in which resistance alloys can be applied by printing a paste and allow strong adhesion of the resistance alloys on the ceramic substrate, without impairing the electrical properties of the resistance alloys in the layer structure produced. It is also the task of a
- Layer structure to provide, in which the resistance alloy is mechanically stable after firing connected to the glass or ceramic surface of a substrate.
- paste A contains the following components:
- I a glass frit which contains at least two mutually different elements as oxides and has a transformation temperature T g in the range of 600 to 750 ° C and
- paste B contains the following components:
- the method according to the invention can be used to produce a layer structure which has improved mechanical stability, in particular a better one Having long term stability, without thereby the TCR of the resistance alloy would be substantially changed.
- step a) a substrate with a glass or ceramic surface is provided.
- Substrate thus has a surface comprising a ceramic or a glass, wherein the ceramic material of the surface may be preferably selected from the group consisting of oxide ceramics, nitride ceramics and carbide ceramics.
- suitable ceramics are forsterite, mullite, steatite, alumina, aluminum nitride, silicon carbide and hard porcelain.
- the ceramic surface contains alumina or consists of alumina.
- the glass of the glass surface is preferably a silicate glass.
- a paste A is applied to at least a part of the glass or ceramic surface of the substrate.
- the application can be effected for example by screen printing, stencil printing, knife coating or spraying.
- a layer of paste A is obtained.
- Paste A contains at least a glass frit and an organic medium or consists of at least one glass frit and an organic medium.
- paste A contains 50-90% by weight of glass frit and 10-50% by weight of organic medium, based on the total weight of paste A.
- the glass frit of the paste A contains at least two mutually different elements as oxides. These elements may be selected from the group consisting of Li, Na, K, Ca, Mg, Sr, Ba, B, Al, Si, Sn, Pb, P, Sb, Bi, Te, La, Ti, Zr, V, Nb, Mn, Fe, Co, Ni, Cu, Ag, Zn, and Cd.
- the glass frit may be made of oxides, fluorides or other salts (e.g.
- Examples of starting compounds for the preparation of the glass frit may be selected from the group consisting of B2O3, H3BO3, Al2O3, S1O2, PbO, P2O5, Pb 3 0 4, PbF 2, MgO, MgCOs, CaO, CaCOs, SrO, SrCOs, BaO, Bacon , Ba (NO 3 ) 2 , Na 2 B 4 O 7 , ZnO, ZnF 2 , Bi 2 O 3 , Li 2 O, Li 2 CO 3 , Na 2 O, NaCO 2, NaF, K 2 O, K 2 CO 3, KF, TiO 2 , Nb 2 O 5 , Fe 2 O 3 , ZrO 2 CuO, Cu 2 O, MnO, MnO 2 , Mn 3 O 4 , CdO, SnO 2 , TeO 2 , Sb 2 O 3 , Co 3 O 4 , Co 2 0 3 , CoO, La 2
- the transformation temperature T g of the glass frit of the paste A is in the range of 600-750 ° C., in particular in the range of 690-740 ° C.
- the transformation temperature T g can be determined for the purposes of the invention according to DIN ISO 7884-8: 1998-02.
- the glass frit contained in paste A preferably comprises silicon, aluminum, boron and at least one alkaline earth metal in each case as an oxide.
- the alkaline earth metal is particularly preferably calcium.
- the organic medium may contain at least one organic solvent and at least one binder.
- the organic solvent may be selected from the group consisting of texanol, terpineol and other high boiling point organic solvents having a boiling point of at least 140 ° C.
- the binder may be selected from acrylate resins, ethylcelluloses and other polymers such as e.g. Butyralen.
- the organic medium of paste A may contain other ingredients which may be selected from the group consisting of thixotropic agents, stabilizers and emulsifiers. By adding these ingredients, e.g. the printability or storage stability of pastes can be improved.
- step c) a drying step and optionally firing of the layer of paste A is carried out.
- the drying can be carried out at temperatures in the range of 20-180 ° C, in particular in the range of 120-180 ° C, e.g. in a dry bar.
- the layer of paste A can be fixed on the substrate.
- the dried layer of paste A can already be so mechanically robust that a layer of paste B can be applied directly.
- the layer of paste A may optionally be fired after drying.
- the firing can take place at temperatures in the range of 750-950 ° C.
- the layer of paste A is fired so that the organic medium is substantially removed and the glass frit sinters together as homogeneously as possible.
- the fired layer of paste A has at least one glass or consists of a glass.
- the fired layer of paste A may also be called layer A.
- the firing may be either under atmospheric conditions or under inert gas conditions (e.g., atmosphere of IS). In a preferred
- the layer of paste A in step c) is first dried and then fired. If the layer of paste A is already fired in step c), in the subsequent step d. Paste B may be better applied.
- paste B is added to at least a portion of the layer of step c to obtain a layer of paste B.
- the paste B of the present invention contains at least a powder of a resistance alloy and an organic medium.
- paste B may additionally contain a glass frit.
- a glass-free paste B may have the advantage that the electrical
- Properties of the resistance alloy in particular the TCR value, can not be negatively influenced by the presence of glass.
- paste B may also be preferred for paste B to contain a glass frit.
- paste B does not contain more than 15% by weight, preferably not more than 12% by weight of glass frit, based on the total weight of paste B. As can be seen in Table 5, it can be replaced by
- paste B contains at least 3% by weight Glass frit, in particular at least 5 percent by weight, based on the total weight of paste B. More preferably, paste B glass frit in an amount of 3-15
- the content of resistance alloy in paste B may preferably be in the range of 60-98% by weight and the content of organic medium may be in the range of 2-40% by weight, in particular in the range of 2-37% by weight, based in each case on the total weight of paste B.
- the resistance alloys usable for the powder have one
- the temperature coefficient of the electrical resistance specified in the context of the invention relates to the measurement of the .beta.-alloy and, in the context of the invention, can be applied to a wire or a foil of the corresponding alloy according to the standard DIN EN 601 15-1: 2016- 03 ( with drying method I).
- the resistance alloy may include, for example, elements selected from the group consisting of chromium, aluminum, silicon, manganese, iron, nickel and copper.
- the resistance alloy may preferably be selected from the group consisting of CuNi, CuNiMn, CuSnMn and NiCuAISiMnFe. In a particularly preferred embodiment, the resistance alloy may be selected from the group consisting of the
- the powder of the resistance alloy may be prepared by methods known to those skilled in the art, e.g. Gas atomization under inert gas, water atomizing or grinding, are produced.
- the mean particle diameter d 50 of the powder of the resistance alloy is preferably 0.2 ⁇ m-15 ⁇ m.
- paste B contains an organic medium.
- paste B contains the organic medium in an amount of 2-40% by weight.
- the organic medium of paste B may contain at least one organic solvent and at least one binder.
- the organic solvent can be selected from the group consisting of texanol, terpineol, iso-tridecyl alcohol or other high-boiling organic solvents having a boiling point of at least 140 ° C.
- the binder may be selected from acrylate resins, ethylcelluloses or other polymers.
- the organic medium of paste B may contain other ingredients which may be selected from the group consisting of thixotropic agents, stabilizers and emulsifiers. By adding these ingredients, e.g. the printability or storage stability of the paste can be improved.
- the optional glass frit of paste B contains at least two from each other
- the elements can be selected from the group consisting of Li, Na, K, Ca, Mg, Sr, Ba, B, Al, Si, Sn, Pb, P, Sb, Bi, Te, La, Ti, Zr, V, Nb, Mn, Fe, Co, Ni, Cu, Ag, Zn, and Cd.
- the glass frit can be prepared from oxides, fluorides or other salts (eg carbonates, nitrates, phosphates) of these elements.
- Examples of starting materials for the glass frit may be selected from the group consisting of B2O3, H3BO3, Al2O3, S1O2, PbO, P2O5, Pb 3 0 4, PbF 2, MgO, Yanko, CaO, CaCOs, SrO, SrCOs, BaO, Bacon, Ba (NO 3 ) 2, Na 2 B 4 O 7 , ZnO, ZnF 2 , Bi 2 O 3 , Li 2 O, Li 2 CO 3 , Na 2 O, NaC0 3 , NaF, K 2 O, K 2 C0 3 , KF,, T1O2, Nb 2 0 5 , Fe 2 0 3 , ZrO 2 CuO, MnO, Mn 3 0 4 , MnO 2 , CdO, SnO 2 , TeO 2 , Sb 2 0 3 , Co 3 0 4 , Co 2 0 3 , CoO, La 2 O 3 , Ag 2 O, NiO, V 2 0 5
- the glass frit of paste B may contain silicon, aluminum, boron and at least one alkaline earth metal, each as oxide.
- the glass frit of the paste B may be the same as the glass frit of the paste A or different.
- the glass frit of paste B may contain at least two elements as oxides contained in the glass frit of paste A.
- the glass frits of the pastes A and B are the same, as this can improve the compatibility of the layers A and B with each other.
- the layer of paste B is accordingly applied to layer A.
- a so-called precursor (dt. Precursor structure) is prepared.
- the precursor thus contains a substrate on which a layer of paste A is applied, which may optionally already be fired (then also called layer A).
- the precursor contains a layer of paste B on the layer of paste A, wherein the layer of paste B is not fired.
- the paste B is applied to an already in step c. fired layer A applied.
- the precursor may be configured so that the layer of paste B completely covers the layer of paste A.
- step e) the precursor is fired, thereby obtaining the layer structure according to the invention.
- the firing may be preceded by a drying step. Drying may be at a temperature in the range of 20-180 ° C, especially in the range of 120-180 ° C, e.g. in a dry box or an infrared belt dryer.
- the burning of the precursor is preferably carried out at a temperature in the range of 700-1000 ° C., in particular in the range of 850-900 ° C.
- the precursor is preferably fired in such a way that the constituents of the organic medium in the precursor volatilize and the powder of the resistance alloy and the glass frit sinter together.
- the firing may be either under atmospheric conditions in the presence of O 2 or under inert gas conditions (e.g., N 2 atmosphere).
- the layer structure according to the invention which is present after step e) contains: a. a substrate with a glass or ceramic surface,
- layer A which at least partially covers the glass or ceramic surface of the substrate, wherein layer A comprises a glass in which at least two different elements are contained as oxides and one
- Transformation temperature T g in the range of 600 to 750 ° C, c. a layer B which at least partially covers layer A, layer B having the following constituents:
- layer B is not more than 20% by weight of glass based on the
- Total weight of the layer B contains.
- Layer A which at least partially covers the glass or ceramic surface of the substrate, comprises the glass obtained by firing the glass frit from paste A.
- the glass in layer A contains the sintered glass frit of paste A.
- this glass frit is homogeneous to the glass over the entire extent of the layer A.
- layer B has the resistance alloy of paste B and is
- Layer B of the layer structure may have a TCR value substantially equal to the ⁇ y // value of the resistance alloy.
- the adhesion can be checked by the following tests: On the fired
- Layer structure a strip of adhesive tape brand Scotch® Magic (3M Germany GmbH) glued and, for example, with the fingernail firmly brushed. Subsequently, the adhesive film is removed again. Resistant alloy layers with low adhesion to the glass or ceramic surface of the substrate adhere to the adhesive film. Layered structures with a medium adhesive strength remain partly on the adhesive film and layer structures with a high adhesive strength are not detached from the adhesive film.
- layer structure layer A can be used as a bonding agent between the glass or
- Ceramic surface of the substrate and, containing the resistance alloy layer B act.
- the present invention can provide a layer of resistance alloy mechanically stably bonded to the substrate surface.
- the layer B contains the resistance alloy in the amount originally used in paste B.
- layer B additionally has a glass made from the glass frit of paste B
- the adhesion of layer B to layer A can be further improved.
- the glass content of layer B is determined by the amount of glass frit used in paste B.
- layer B has no more than
- the layer structure following step e) can be provided with a seal (also called protective glaze, or overglaze).
- a seal also called protective glaze, or overglaze.
- this seal is made of a glass. This seal is used in particular to protect the layer structure from environmental influences, such as moisture.
- the layer structure according to the invention can be used inter alia to
- Paste A was prepared by mixing 22% by weight of organic medium (85% by weight of Texanol, 15% by weight of ethylcellulose (75% N7, 25% N50)) and 78% by weight of a glass frit according to Table 1. The pastes were homogenized by means of a three-roll chair.
- a powder of the resistance alloy isotan (average particle diameter dso: 8 ⁇ , prepared by gas atomizing a melt under Isb atmosphere), an organic medium (65 wt.% Texanol and 35 wt.% Acrylate binder) and optionally a glass frit were in the combined quantities and homogenized by means of a three-roll chair.
- the pastes produced have a viscosity of about 30-90 Pas at 20-25 ° C.
- the glass pastes A containing the glass frits of Table 1 were screen-printed on A1203 substrates of 101, 6x101, 6 mm, and a thickness of 0.63 mm (Rubalit 708 S, CeramTec).
- a sieve from Koenen GmbH, Germany was used with an EKRA Microtronic II printer (type M2H).
- the emulsion thickness was about 50 ⁇ (sieve parameters: 80 mesh and 65 ⁇ wire diameter (stainless steel)).
- Layer thickness after printing was about 90 ⁇ . 10 minutes after printing, the samples were placed in an infrared belt dryer (BTU international, type HHG-2) for 20 min dried at 150 ° C. The layer thickness after drying was about 60 ⁇ .
- the printed glass layers were fired in a nitrogen atmosphere (N 2 5.0) in an oven (ATV Technologie GmbH, type PEO 603). The temperature was increased from 25 ° C to 850 ° C, held at 850 ° C for 10 and then cooled to 25 ° C within 20 min.
- the layer thickness after firing was about 50 ⁇ m.
- the resistance alloy paste B was applied to the previously prepared layer by screen printing.
- a sieve made by Koenen GmbH, Germany was used with an EKRA Microtronic II printer (type M2H).
- the emulsion thickness was about 50 ⁇ ,
- the printed resistor alloy pastes (including the precursor) were under
- Nitrogen atmosphere (N2 5.0) burned in an oven (ATV Technology GmbH, type PEO 603). The temperature was increased from 25 ° C to 900 ° C, held for 10 min at 900 ° C and cooled within 20 min to 25 ° C (total flow time 82 min). The layer thickness after firing was about 50 ⁇ m.
- Adhesion Layer structure depending on the amount of glass in paste B
- the prepared layer assemblies were each 15 min in a chamber with a
- TCR values were measured in the temperature range 20-60 ° C. according to the standard DIN EN 601 15-1: 2016-03 (drying method I):
- TCR BulkANed for isotan (as a wire) ranges from -80 to +40 ppm / K.
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- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
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- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Non-Adjustable Resistors (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/340,611 US20200051719A1 (en) | 2016-10-11 | 2017-09-18 | Method for producing a layer structure using a paste on the basis ofa resistive alloy |
KR1020197011773A KR102298321B1 (ko) | 2016-10-11 | 2017-09-18 | 저항 합금 함유 페이스트를 이용한 층 구조 제조 방법 |
JP2019519641A JP2019537838A (ja) | 2016-10-11 | 2017-09-18 | 抵抗合金を基材とするペーストを使用して層構造体を製造する方法 |
CN201780062982.9A CN109906491A (zh) | 2016-10-11 | 2017-09-18 | 使用基于电阻合金的糊料用以生产层状结构的方法 |
US17/388,676 US20220051834A1 (en) | 2016-10-11 | 2021-07-29 | Method for producing a layer structure using a paste on the basis ofa resistive alloy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16193341.1 | 2016-10-11 | ||
EP16193341.1A EP3309800B1 (de) | 2016-10-11 | 2016-10-11 | Verfahren zur herstellung eines schichtaufbaus unter verwendung einer paste auf basis einer widerstandslegierung |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/340,611 A-371-Of-International US20200051719A1 (en) | 2016-10-11 | 2017-09-18 | Method for producing a layer structure using a paste on the basis ofa resistive alloy |
US17/388,676 Division US20220051834A1 (en) | 2016-10-11 | 2021-07-29 | Method for producing a layer structure using a paste on the basis ofa resistive alloy |
Publications (1)
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WO2018068989A1 true WO2018068989A1 (de) | 2018-04-19 |
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Family Applications (1)
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PCT/EP2017/073421 WO2018068989A1 (de) | 2016-10-11 | 2017-09-18 | Verfahren zur herstellung eines schichtaufbaus unter verwendung einer paste auf basis einer widerstandslegierung |
Country Status (8)
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US (2) | US20200051719A1 (de) |
EP (1) | EP3309800B1 (de) |
JP (1) | JP2019537838A (de) |
KR (1) | KR102298321B1 (de) |
CN (1) | CN109906491A (de) |
ES (1) | ES2730825T3 (de) |
TW (1) | TWI765919B (de) |
WO (1) | WO2018068989A1 (de) |
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DE102018121902A1 (de) | 2018-09-07 | 2020-03-12 | Isabellenhütte Heusler Gmbh & Co. Kg | Herstellungsverfahren für ein elektrisches Widerstandselement und entsprechendes Widerstandselement |
CN113073219B (zh) * | 2021-03-24 | 2022-04-22 | 山东银山电气有限公司 | 一种应用于仪器仪表的精密电阻材料的制造方法 |
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JP5045804B2 (ja) * | 2009-10-29 | 2012-10-10 | 住友金属鉱山株式会社 | 抵抗薄膜形成用スパッタリングターゲット、抵抗薄膜、薄膜抵抗器、およびこれらの製造方法 |
CN103183508A (zh) * | 2013-03-12 | 2013-07-03 | 上海工程技术大学 | Ntc热敏电阻材料及制备方法和在电子器件中的应用 |
CN103714926A (zh) * | 2013-12-31 | 2014-04-09 | 中航电测仪器股份有限公司 | 一种箔式精密电阻及其制造方法 |
JP6471494B2 (ja) * | 2014-09-29 | 2019-02-20 | 日立金属株式会社 | Cu合金材およびその製造方法 |
CN205080952U (zh) * | 2015-10-12 | 2016-03-09 | 陕西凯瑞宏星电器有限公司 | 一种高压设备用玻璃釉膜分压器 |
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2016
- 2016-10-11 ES ES16193341T patent/ES2730825T3/es active Active
- 2016-10-11 EP EP16193341.1A patent/EP3309800B1/de active Active
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2017
- 2017-09-18 WO PCT/EP2017/073421 patent/WO2018068989A1/de active Application Filing
- 2017-09-18 CN CN201780062982.9A patent/CN109906491A/zh active Pending
- 2017-09-18 JP JP2019519641A patent/JP2019537838A/ja active Pending
- 2017-09-18 US US16/340,611 patent/US20200051719A1/en not_active Abandoned
- 2017-09-18 KR KR1020197011773A patent/KR102298321B1/ko active IP Right Grant
- 2017-10-05 TW TW106134416A patent/TWI765919B/zh active
-
2021
- 2021-07-29 US US17/388,676 patent/US20220051834A1/en active Pending
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US5680092A (en) * | 1993-11-11 | 1997-10-21 | Matsushita Electric Industrial Co., Ltd. | Chip resistor and method for producing the same |
EP0829886A2 (de) | 1996-09-11 | 1998-03-18 | Matsushita Electric Industrial Co., Ltd. | Chip-Widerstand und Verfahren zu dessen Herstellung |
JP2008016645A (ja) * | 2006-07-06 | 2008-01-24 | Matsushita Electric Ind Co Ltd | 抵抗器の製造方法 |
DE102011004543A1 (de) * | 2011-02-22 | 2012-08-23 | Würth Elektronik FLATcomp Systems GmbH & Co. KG | Impulswiderstand, Leiterplatte und elektrisches oder elektronisches Gerät |
US20130154790A1 (en) * | 2011-12-19 | 2013-06-20 | Samsung Electro-Mechanics Co., Ltd. | Chip resistor and method of manufacturing the same |
CN103680787B (zh) * | 2013-12-12 | 2016-10-05 | 苏州智权电子科技有限公司 | 一种柔性精密电阻器及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
TWI765919B (zh) | 2022-06-01 |
EP3309800B1 (de) | 2019-03-20 |
JP2019537838A (ja) | 2019-12-26 |
CN109906491A (zh) | 2019-06-18 |
KR102298321B1 (ko) | 2021-09-08 |
EP3309800A1 (de) | 2018-04-18 |
US20200051719A1 (en) | 2020-02-13 |
US20220051834A1 (en) | 2022-02-17 |
ES2730825T3 (es) | 2019-11-12 |
TW201841174A (zh) | 2018-11-16 |
KR20190060795A (ko) | 2019-06-03 |
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