WO2012147299A1 - 静電気対策部品およびその製造方法 - Google Patents
静電気対策部品およびその製造方法 Download PDFInfo
- Publication number
- WO2012147299A1 WO2012147299A1 PCT/JP2012/002616 JP2012002616W WO2012147299A1 WO 2012147299 A1 WO2012147299 A1 WO 2012147299A1 JP 2012002616 W JP2012002616 W JP 2012002616W WO 2012147299 A1 WO2012147299 A1 WO 2012147299A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- high thermal
- substrate
- thermal conductivity
- layer
- holes
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
- H01C1/014—Mounting; Supporting the resistor being suspended between and being supported by two supporting sections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/30—Apparatus or processes specially adapted for manufacturing resistors adapted for baking
-
- 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
- H01C7/10—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 voltage responsive, i.e. varistors
- H01C7/102—Varistor boundary, e.g. surface layers
-
- 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
- H01C7/10—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 voltage responsive, i.e. varistors
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
- H01C7/112—ZnO type
-
- 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
- H01C7/10—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 voltage responsive, i.e. varistors
- H01C7/1006—Thick film varistors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
Definitions
- the present invention relates to an anti-static component used in various electronic devices and a manufacturing method thereof.
- a light-emitting diode which is a kind of semiconductor device, has low withstand voltage against electrostatic pulses and high brightness is required, measures against heat generation are also required.
- This antistatic component comprises a ceramic substrate 1 made of alumina, a varistor layer 2 provided thereon, a glass ceramic layer 3 provided thereon, and an external electrode 4 provided thereon.
- the glass ceramic layer 3 is provided for the purpose of protecting the varistor layer 2 when forming a plating layer on the external electrode 4 or against the environment (for example, Patent Document 1).
- the present invention provides an anti-static component having a small board warpage and excellent heat conduction, and a method for manufacturing the same.
- the antistatic component of the present invention includes a first high thermal conductivity substrate, a second high thermal conductivity substrate, a varistor layer, and a pair of via electrodes.
- the first high thermal conductive substrate is provided with two first through holes. Two second through holes are provided in the second high thermal conductive substrate.
- the varistor layer mainly composed of zinc oxide is provided between the first high thermal conductivity substrate and the second high thermal conductivity substrate.
- the varistor layer has a pair of internal electrodes insulated from each other. Each via electrode passes through the varistor layer, and fills one of the first through holes and one of the second through holes. Each via electrode is connected to each internal electrode. With this configuration, it is possible to prevent warpage during firing of the varistor layer and to ensure high thermal conductivity.
- FIG. 1 is a cross-sectional view of an anti-static component according to an embodiment of the present invention.
- FIG. 2A is a conceptual plan view showing the shape of the internal electrode and the arrangement of the via electrode of the anti-static component in the embodiment of the present invention.
- FIG. 2B is a conceptual plan view showing the shape of internal electrodes and the arrangement of via electrodes of the anti-static component in the embodiment of the present invention.
- FIG. 2C is a conceptual plan view showing the shape of the internal electrode and the arrangement of the via electrode of the anti-static component in the embodiment of the present invention.
- FIG. 2D is a conceptual plan view showing the shape of the internal electrode and the arrangement of the via electrode of the antistatic component in the embodiment of the present invention.
- FIG. 2A is a conceptual plan view showing the shape of the internal electrode and the arrangement of the via electrode of the anti-static component in the embodiment of the present invention.
- FIG. 2B is a conceptual plan view showing the shape of internal electrodes and the arrangement of via electrodes of the anti
- FIG. 3A is a view for explaining the manufacturing procedure of the anti-static component in the embodiment of the present invention.
- FIG. 3B is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 3A.
- FIG. 3C is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 3B.
- FIG. 3D is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 3C.
- FIG. 3E is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 3D.
- FIG. 3F is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 3E.
- FIG. 3G is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 3F.
- FIG. 3H is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 3G.
- FIG. 4A is a diagram for explaining another manufacturing procedure of the anti-static component in the embodiment of the present invention.
- FIG. 4B is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 4A.
- FIG. 4C is a diagram illustrating a manufacturing procedure of the anti-static component following FIG. 4B.
- FIG. 4D is a diagram illustrating a manufacturing procedure of the anti-static component following FIG. 4C.
- FIG. 4E is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 4D.
- FIG. 4F is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 4E.
- FIG. 4A is a diagram for explaining another manufacturing procedure of the anti-static component in the embodiment of the present invention.
- FIG. 4B is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 4A.
- FIG. 4C is
- FIG. 4G is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 4F.
- FIG. 4H is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 4G.
- FIG. 5A is a diagram illustrating still another method for manufacturing an antistatic component in the embodiment of the present invention.
- FIG. 5B is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 5A.
- FIG. 5C is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 5B.
- FIG. 5D is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 5C.
- FIG. 5E is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 5D.
- FIG. 5F is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 5E.
- FIG. 5G is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 5F.
- FIG. 5H is a diagram for explaining the manufacturing procedure of the anti-static component following FIG. 5G.
- FIG. 6 is a cross-sectional view of a conventional antistatic component.
- the substrate is likely to warp when the glass ceramic layer is fired.
- the anti-static component is electrically connected to the light emitting diode element by wire bonding after the light emitting diode element is mounted on the circuit board, the warp of the board is not a big problem.
- the light-emitting diode element is flip-chip mounted on an anti-static component for miniaturization, warping of the substrate becomes a problem.
- the glass ceramic layer generally has a lower thermal conductivity than a ceramic substrate such as alumina. Therefore, it is difficult to efficiently release the heat generated from the light emitting diode element.
- FIG. 1 is a cross-sectional view of an anti-static component according to an embodiment of the present invention.
- the static electricity countermeasure component 30 includes a first high thermal conductivity substrate (hereinafter referred to as a substrate) 11, a second high thermal conductivity substrate (hereinafter referred to as a substrate) 13, a varistor layer 12, and a plurality of via electrodes 15.
- the substrate 11 is provided with two first through holes (hereinafter referred to as holes) 14A.
- the substrate 13 is provided with two second through holes (hereinafter referred to as holes) 14B.
- the varistor layer 12 mainly composed of zinc oxide is provided between the substrate 11 and the substrate 13.
- the varistor layer 12 has a pair of internal electrodes 16 insulated from each other.
- Each via electrode 15 penetrates the varistor layer 12 and connects one of the holes 14A and one of the holes 14B.
- Each via electrode 15 is connected to the internal electrode 16. That is, the via electrode 15 includes a first via electrode and a second via electrode, and the internal electrode 16 includes a first internal electrode and a second internal electrode. The first via electrode is connected to the first internal electrode, and the second via electrode is connected to the second internal electrode.
- the substrates 11 and 13 are alumina sintered plates having a purity of 96% or more, for example.
- the planar shape of the substrate 11 is about 3 mm ⁇ 3 mm and the thickness is about 0.12 mm.
- the planar shape of the substrate 13 is about 3 mm ⁇ 3 mm and the thickness is about 0.16 mm.
- the thickness of the varistor layer 12 is about 0.2 mm, for example.
- the high thermal conductive substrate is an insulating substrate having a thermal conductivity of 18 W / m ⁇ K or more.
- a sintered plate such as aluminum nitride, silicon nitride, or silicon carbide can be used in addition to alumina.
- Each of the substrates 11 and 13 is provided with two holes 14A and 14B having a diameter of about 0.2 mm at the same position, and the varistor layer 12 is similarly provided with a through hole. These through holes are connected to form a through hole that connects the lower surface of the substrate 11 to the upper surface of the substrate 13. Via electrodes 15 connected from the lower surface of the substrate 11 to the upper surface of the substrate 13 are formed by filling the through hole with silver palladium paste.
- the varistor layer 12 is formed by laminating a layer containing zinc oxide as a main component and a printed silver palladium paste layer to be a pair of internal electrodes 16.
- the “main component” means a content necessary for developing varistor characteristics, and specifically, for example, 70% by weight or more.
- the internal electrodes 16 are insulated from each other and are electrically connected to one of the via electrodes 15, respectively. Further, external electrodes 17 connected to the via electrodes 15 are provided on the outer surfaces of the substrates 11 and 13.
- the external electrode 17 provided on the substrate 13 serves as a mounting electrode for a semiconductor element 18 such as a light emitting diode.
- the external electrode 17 provided on the substrate 11 serves as an electrode for mounting on a printed circuit board.
- the external electrode 17 is constituted by baking a silver palladium paste and then plating nickel, copper, gold or the like thereon.
- the varistor layer 12 is formed between the sintered substrates 11 and 13. Therefore, the warp of the antistatic component 30 as a whole is suppressed. Moreover, since the thermal conductivity of both alumina and zinc oxide is about 20 W / m ⁇ K or more, the heat generated from the semiconductor element 18 can be efficiently transferred. Further, since the upper and lower surfaces of the varistor layer 12 are surrounded by the sintered substrates 11 and 13, it is possible to prevent a trace component such as bismuth constituting the varistor layer 12 from being evaporated and lost when the varistor layer 12 is fired. Can do. Therefore, the antistatic component 30 having a stable varistor voltage can be manufactured.
- An electrostatic countermeasure component having a planar shape of about 3 mm ⁇ 3 mm made of a ceramic substrate 1 having a thickness of about 0.26 mm, a varistor layer 2 having a thickness of about 0.2 mm, and a glass ceramic layer 3 having a thickness of about 0.02 mm. Constitute. In this conventional configuration, warping occurs about 0.2 mm as the varistor layer 2 is fired. On the other hand, the warpage of the anti-static component 30 is about 0.03 mm, which is greatly improved. The warpage in this case is derived from the substrates 11 and 13 themselves. That is, substantially no warpage is generated by firing the varistor layer 12. Further, the thermal conductivity of the static electricity countermeasure component 30 is about twice that of the conventional static electricity countermeasure component.
- the thickness of the substrate 13 on the side where the semiconductor element 18 is mounted is larger than the thickness of the substrate 11.
- FIGS. 2A to 2D are conceptual plan views showing the shape of the internal electrode 16 and the arrangement of the via electrodes 15.
- via electrodes 15 are formed in the vicinity of opposite sides of the substrates 11 and 13 having a square planar shape, and a rectangular internal electrode 16 is formed.
- the internal structure is determined by securing a certain distance between the outer periphery of the antistatic component 30 and the internal electrode 16 and via electrode 15.
- the overlapping portion 16C of the internal electrode 16 is greatly reduced.
- the overlapping area of the internal electrodes 16 becomes about 1/5.
- the area of the overlapping portion 16C becomes about 1/20 or less. For this reason, in order to obtain equivalent varistor characteristics, it is necessary to form a multilayer structure. However, such multilayering leads to lower production and higher costs. Alternatively, the product design is not established depending on the product thickness dimension standard.
- the via electrodes 15 by arranging the via electrodes 15 at diagonal positions, the area of the overlapping portion 16C is approximately doubled. Thus, it is preferable to arrange the via electrode 15 at the farthest position in the surface direction of the substrate 11.
- the via electrode 15 may be disposed at the farthest position in the surface direction of the substrate 11 even in other shapes.
- each of the internal electrodes 16 may have a shape surrounding the via electrode 15 that is not connected.
- the area of the overlapping portion 16C is about four times that in the configuration shown in FIG. 2A.
- the antistatic component 30 can be reduced in size while maintaining the varistor characteristics.
- a method for manufacturing an anti-static component in the embodiment of the present invention will be described.
- a first high thermal conduction large substrate hereinafter referred to as a substrate
- a second high thermal conduction large substrate hereinafter referred to as a substrate 13
- Use A method for dividing the n anti-static parts 30 into individual pieces will be described.
- 3A to 3H are diagrams for explaining a method of manufacturing an antistatic component in the embodiment of the present invention.
- a plurality of holes 14A are formed at predetermined positions on a substrate 11A, which is an alumina plate having a thickness of about 0.14 mm, using a laser or the like.
- the size of the hole 14A is about 0.2 mm in diameter.
- a hole 14B is formed in the substrate 13A, which is an alumina plate having a thickness of about 0.14 mm.
- the holes 11A and 14B need to be provided at the same position on the substrate 11A and the substrate 13B. Therefore, it is not necessary to manage the substrate 11A and the substrate 13B separately by adopting exactly the same configuration, and the mass productivity can be improved.
- an unfired layer 19 for forming the varistor layer 12A shown in FIG. 3E is formed on the substrate 11A.
- the unfired layer 19 is formed by laminating a layer mainly composed of zinc oxide and a layer for the internal electrode 16 printed with silver palladium paste.
- the unfired layer 19 may be formed by printing on the substrate 11, or may be a layer that is separately stacked and stacked on the substrate 11.
- the pattern for the internal electrode 16 is desirably formed so as to cover the hole 14A provided for the via electrode 15 to be connected when viewed from the stacking direction. By doing so, the connectivity between the internal electrode 16 and the via electrode 15 can be improved.
- the substrate 11A, the unfired layer 19, and the substrate 13A are integrated by pressing the substrate 13A on the unfired layer 19 and pressing it. At this time, the substrate 13A is overlapped so that the hole 14A and the hole 14B are at the same position.
- a part of the unsintered layer 19 located between the holes 14A and 14B is removed by irradiating laser light through the holes 14A and 14B.
- the via hole 20 that connects the hole 14A formed in the substrate 11A to the hole 14B formed in the substrate 13A is formed.
- this laminate is put in a furnace and the unfired layer 19 is heat-treated.
- the plasticizer and the like are first removed by raising the temperature to 105 to 175 ° C. and maintaining the temperature. Thereafter, the temperature is raised to about 925 ° C. to form the varistor layer 12A.
- the varistor layer 12A cannot be fired well because components such as a plasticizer remain without being sufficiently removed.
- components such as a plasticizer can be discharged through the holes 14A and 14B, and the varistor layer 12A can be sufficiently removed. Can be formed.
- the same alumina substrate for the substrate 11A and the substrate 13A it is possible to prevent warping due to firing.
- components such as a plasticizer
- this ratio is increased too much, the mechanical strength of the anti-static component 30 becomes weak, so it is desirable to make it 12% or less.
- the fired laminate may be immersed in an alkaline solution such as an aqueous sodium hydroxide solution, and a part of the zinc oxide around the via hole 20 may be etched.
- the silver palladium layer constituting the internal electrode 16 is not etched into the alkaline solution. Therefore, in this case, the internal electrode can be protruded from the wall surface of the varistor layer 12A around the via hole 20. As a result, when the via electrode 15 is formed in the via hole 20, the connectivity between the internal electrode 16 and the via electrode 15 can be further improved.
- the via hole 20 is filled with silver palladium paste and baked to form the via electrode 15 connected from the lower surface of the substrate 11 to the upper surface of the substrate 13.
- external electrodes 17 connected to the via electrodes 15 are formed on the surfaces of the substrate 11A and the substrate 13B.
- a nickel and gold layer is formed by plating.
- the varistor layer 12A is not affected by corrosion or the like by the plating solution.
- the semiconductor element 18 is mounted on the external electrode 17 provided on the surface of the substrate 13A.
- a varistor layer 12 ⁇ / b> A is connected between the terminals of the semiconductor element 18. Therefore, destruction of the semiconductor element 18 due to static electricity or the like can be prevented.
- the antistatic component 30 in which the semiconductor element 18 is mounted as shown in FIG. 3H is manufactured by dicing the precursor including a plurality of (n) devices in this way by dicing. Can do.
- a part of the unfired layer 19 located between the hole 14A and the hole 14B is removed by laser light, but may be removed by other methods. For example, blasting (microblast) may be applied.
- 4A to 4H are diagrams for explaining another method of manufacturing an antistatic component in the embodiment of the present invention.
- FIG. 4A a plurality of holes 14A are formed in the substrate 11A, and holes 14B are formed in the substrate 13.
- an unfired layer 19 for forming the varistor layer 12 ⁇ / b> A is formed on the substrate 11.
- FIG. 4C the substrate 13, the unfired layer 19, and the substrate 13 are integrated by pressing the substrate 13 on the unfired layer 19 and pressing it. Since the above procedure is the same as the procedure described with reference to FIGS. 3A to 3C, detailed description thereof will be omitted.
- the integrated laminate is put in a furnace, and the unfired layer 19 is heat-treated to form the varistor layer 12A. Also in this case, components such as a plasticizer contained in the unfired layer 19 can be discharged through the holes 14A and 14B.
- the fired laminate is immersed in an alkaline solution such as an aqueous sodium hydroxide solution, and the zinc oxide in the varistor layer 12A located between the holes 14A and 14B is etched.
- an alkaline solution such as an aqueous sodium hydroxide solution
- the zinc oxide in the varistor layer 12A located between the holes 14A and 14B is etched.
- the via hole 20 connected from the hole 14A to the hole 14B is formed.
- the area overlapping the holes 14A and 14B provided in the via electrode connected when viewed from the stacking direction is set to 1/3 or less of the area of the holes 14A and 14B. It is desirable to do.
- the zinc oxide in the varistor layer 12A can be etched smoothly, and the internal electrode 16 protrudes from the zinc oxide layer. Therefore, the connectivity between the via electrode 15 and the internal electrode 16 can be improved.
- the via hole 20 In order to form the via hole 20, laser light may be irradiated through the holes 14A and 14B as described with reference to FIG. 3D. Even in such a method, the via hole 20 can be formed by removing the varistor layer 12A between the hole 14A and the hole 14B. In this case, as described with reference to FIG. 3D, the pattern for the internal electrode 16 is formed so as to cover the holes 14A and 14B provided for the via electrode 15 connected when viewed from the stacking direction. It is desirable that By doing so, the connectivity between the internal electrode 16 and the via electrode 15 can be improved.
- a via electrode 15 is formed by filling the via hole 20 with a silver palladium paste and baking it. Then, as shown in FIG. 4F, external electrodes 17 connected to the via electrodes 15 are formed on the surfaces of the substrate 11A and the substrate 13A. Further, as shown in FIG. 4G, the semiconductor element 18 is mounted on the external electrode 17 provided on the surface of the substrate 13A. Finally, by dicing into pieces, the antistatic component 30 on which the semiconductor element 18 is mounted as shown in FIG. 4H can be manufactured.
- the procedure leading to FIGS. 4E to 4H is the same as the procedure leading to FIGS. 3E to 3H, and detailed description thereof will be omitted.
- FIG. 5A to FIG. 5H are diagrams for explaining still another method for manufacturing an anti-static component in the embodiment of the present invention.
- a substrate 11A which is an alumina plate having a thickness of about 0.14 mm is prepared.
- the substrate 11A is not provided with a through hole.
- an unfired layer 19 is formed on the substrate 11A.
- the details of the unfired layer 19 are as described above.
- the substrate 13A is stacked on the unfired layer 19 and pressed to form a laminate in which the substrate 11A, the unfired layer 19 and the substrate 13A are integrated.
- the substrate 13A is the same as the substrate 11A, and no through hole is provided.
- the through holes are not provided in the substrates 11A and 13A, it is not necessary to align the through holes. For this reason, there is no displacement and the process can be simplified.
- a via hole 20 penetrating the substrate 11A, the unfired layer 19, and the substrate 13A is formed by irradiating laser light.
- the laminate is put in a furnace, and the unfired layer 19 is heat-treated to form a varistor layer 12A. Then, as shown in FIG. 5E, the via hole 20 is filled with a silver palladium paste and baked to form the via electrode 15 connected to the substrate 13A from the surface of the substrate 11A.
- FIG. 5F external electrodes 17 connected to the via electrodes 15 are formed on the surfaces of the substrate 11 and the substrate 13. Further, as shown in FIG. 5G, the semiconductor element 18 is mounted on the external electrode 17 provided on the surface of the substrate 13. Finally, by dicing into pieces, the antistatic component 30 on which the semiconductor element 18 is mounted as shown in FIG. 5H can be manufactured. Since the procedure leading to FIGS. 5E to 5H is the same as the procedure leading to FIGS. 3E to 3H, detailed description thereof will be omitted.
- the thickness of the substrate 11A and the thickness of the substrate 13A are the same. However, as described with reference to FIG. 1, the thickness of the substrate 11A (substrate 11) on the side where the light emitting diode is mounted is changed.
- the substrate 13A (substrate 13) may be thicker. By doing in this way, the reflectance of the surface which mounts a light emitting diode can be improved.
- the n antistatic components 30 are configured using the substrate 11A having a planar dimension n times that of the substrate 11 and the substrate 13A having a planar dimension n times that of the substrate 13, and then divided into individual pieces. ing. This method is excellent in productivity. However, a single antistatic component 30 may be similarly produced using the substrates 11 and 13.
Abstract
Description
11A 第1高熱伝導大基板
12,12A バリスタ層
13 第2高熱伝導基板
13A 第2高熱伝導大基板
14A,14B 貫通孔
15 ビア電極
16 内部電極
17 外部電極
18 半導体素子
19 未焼成層
20 ビア穴
30 静電気対策部品
Claims (7)
- 2個の第1貫通孔が設けられた第1高熱伝導基板と、
2個の第2貫通孔が設けられた第2高熱伝導基板と、
前記第1高熱伝導基板と前記第2高熱伝導基板との間に設けられ、互いに絶縁された一対の内部電極を内部に有し、酸化亜鉛を主成分とするバリスタ層と、
前記バリスタ層を貫通し、前記第1貫通孔の一方と、前記第2貫通孔の一方とを埋めてつなぐとともに、前記内部電極の一方と接続された第1ビア電極と、前記バリスタ層を貫通し、前記第1貫通孔の他方と、前記第2貫通孔の他方とを埋めてつなぐとともに、前記内部電極の他方と接続された第2ビア電極と、を備えた、
静電気対策部品。 - 前記第1、第2ビア電極は、前記第1高熱伝導基板の面方向において、最も離れた位置に配置された、
請求項1記載の静電気対策部品。 - 前記第1、第2高熱伝導基板の平面形状は、四角形であり、前記第1、第2ビア電極は、前記第1高熱伝導基板の対角位置に配置された、
請求項1記載の静電気対策部品。 - 前記一対の内部電極のそれぞれは前記第1、第2ビア電極のうち、接続されていない方を囲む形状である、
請求項1記載の静電気対策部品。 - 複数個の第1貫通孔が設けられた第1高熱伝導基板上に、互いに絶縁された一対の内部電極を内部に有し酸化亜鉛を主成分とするバリスタ層を形成するための未焼成層を形成するステップと、
前記未焼成層の前記第1高熱伝導基板と反対側に、複数個の第2貫通孔を設けられた第2高熱伝導基板を貼り合わせるステップと、
前記第1貫通孔と第2貫通孔との間に位置する前記未焼成層の一部を除去することで前記第1高熱伝導基板、前記未焼成層、前記第2高熱伝導基板を貫通するビア穴を形成するステップと、
前記ビア穴を形成した後、前記未焼成層を焼成することにより前記第1の高熱伝導基板と前記第2の高熱伝導基板とに挟まれたバリスタ層と、前記バリスタ層の内部に互いに絶縁された一対の内部電極とを形成するステップと、
前記ビア穴に金属を充填することで前記一対の内部電極にそれぞれ接続された第1、第2ビア電極を形成するステップと、
前記第1高熱伝導基板上および前記第2高熱伝導基板上に、前記第1、第2ビア電極に接続する外部電極をそれぞれ形成するステップと、を備えた、
静電気対策部品の製造方法。 - 複数個の第1貫通孔が設けられた第1高熱伝導基板上に、互いに絶縁された一対の内部電極を内部に有し酸化亜鉛を主成分とするバリスタ層を形成するための未焼成層を形成するステップと、
前記未焼成層の前記第1高熱伝導基板と反対側に、複数個の第2貫通孔を設けられた第2高熱伝導基板を貼り合わせるステップと、
前記未焼成層を焼成することにより前記第1高熱伝導基板と前記第2高熱伝導基板とに挟まれたバリスタ層と、前記バリスタ層の内部に互いに絶縁された一対の内部電極とを形成するステップと、
前記第1貫通孔と前記第2貫通孔との間に位置するバリスタ層の一部を除去することで、前記第1高熱伝導基板、前記バリスタ層、前記第2高熱伝導基板を貫通するビア穴を形成するステップと、
前記ビア穴に金属を充填することで前記一対の内部電極にそれぞれ接続された第1、第2ビア電極を形成するステップと、
前記第1高熱伝導基板上および前記第2高熱伝導基板上に、前記第1、第2ビア電極に接続する外部電極をそれぞれ形成するステップと、を備えた、
静電気対策部品の製造方法。 - 第1高熱伝導基板と、互いに絶縁された一対の内部電極を内部に有し酸化亜鉛を主成分とするバリスタ層を形成するための未焼成層と、第2高熱伝導基板とを、この順に貼り合わせて積層体を作製するステップと、
前記積層体にレーザを照射して、前記第1高熱伝導基板、前記未焼成層、前記第2高熱伝導基板を貫通する複数個のビア穴を形成するステップと、
前記未焼成層を焼成することにより前記第1高熱伝導基板と前記第2高熱伝導基板とに挟まれたバリスタ層と、前記バリスタ層の内部に互いに絶縁された一対の内部電極とを形成するステップと、
前記ビア穴に金属を充填することで前記一対の内部電極にそれぞれ接続された第1、第2ビア電極を形成するステップと、
前記第1高熱伝導基板上および前記第2高熱伝導基板上に、前記第1、第2ビア電極に接続する外部電極をそれぞれ形成するステップと、を備えた、
静電気対策部品の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012800188113A CN103477402A (zh) | 2011-04-26 | 2012-04-16 | 静电应对部件及其制造方法 |
JP2013511909A JPWO2012147299A1 (ja) | 2011-04-26 | 2012-04-16 | 静電気対策部品およびその製造方法 |
US13/985,473 US20130335189A1 (en) | 2011-04-26 | 2012-04-16 | Component with countermeasure against static electricity and method of manufacturing same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011097799 | 2011-04-26 | ||
JP2011-097799 | 2011-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012147299A1 true WO2012147299A1 (ja) | 2012-11-01 |
Family
ID=47071832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/002616 WO2012147299A1 (ja) | 2011-04-26 | 2012-04-16 | 静電気対策部品およびその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130335189A1 (ja) |
JP (1) | JPWO2012147299A1 (ja) |
CN (1) | CN103477402A (ja) |
WO (1) | WO2012147299A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160035801A (ko) * | 2014-09-24 | 2016-04-01 | 주식회사 아모센스 | 무수축 바리스터 기판, 무수축 바리스터 기판 어레이 및 이의 제조 방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101483259B1 (ko) * | 2012-08-28 | 2015-01-14 | 주식회사 아모센스 | 무수축 바리스타 기판 및 그 제조 방법 |
DE102016100352A1 (de) * | 2016-01-11 | 2017-07-13 | Epcos Ag | Bauelementträger mit ESD Schutzfunktion und Verfahren zur Herstellung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63249319A (ja) * | 1987-04-04 | 1988-10-17 | 三菱マテリアル株式会社 | 積層セラミツクコンデンサ |
JP2005035864A (ja) * | 2002-10-15 | 2005-02-10 | Kenichiro Miyahara | 発光素子搭載用基板 |
JP2009252930A (ja) * | 2008-04-04 | 2009-10-29 | Panasonic Corp | 静電気対策部品およびこの静電気対策部品を備えた発光ダイオードモジュール |
JP2010045212A (ja) * | 2008-08-13 | 2010-02-25 | Tdk Corp | 積層セラミック電子部品及びその製造方法 |
JP2010123613A (ja) * | 2008-11-17 | 2010-06-03 | Murata Mfg Co Ltd | セラミック電子部品及びセラミック電子部品の実装構造 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3399349B2 (ja) * | 1998-03-17 | 2003-04-21 | 株式会社村田製作所 | 積層バリスタおよびその製造方法 |
US7940155B2 (en) * | 2005-04-01 | 2011-05-10 | Panasonic Corporation | Varistor and electronic component module using same |
DE102005050638B4 (de) * | 2005-10-20 | 2020-07-16 | Tdk Electronics Ag | Elektrisches Bauelement |
DE102009010212B4 (de) * | 2009-02-23 | 2017-12-07 | Epcos Ag | Elektrisches Vielschichtbauelement |
US9450556B2 (en) * | 2009-10-16 | 2016-09-20 | Avx Corporation | Thin film surface mount components |
-
2012
- 2012-04-16 WO PCT/JP2012/002616 patent/WO2012147299A1/ja active Application Filing
- 2012-04-16 US US13/985,473 patent/US20130335189A1/en not_active Abandoned
- 2012-04-16 JP JP2013511909A patent/JPWO2012147299A1/ja active Pending
- 2012-04-16 CN CN2012800188113A patent/CN103477402A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63249319A (ja) * | 1987-04-04 | 1988-10-17 | 三菱マテリアル株式会社 | 積層セラミツクコンデンサ |
JP2005035864A (ja) * | 2002-10-15 | 2005-02-10 | Kenichiro Miyahara | 発光素子搭載用基板 |
JP2009252930A (ja) * | 2008-04-04 | 2009-10-29 | Panasonic Corp | 静電気対策部品およびこの静電気対策部品を備えた発光ダイオードモジュール |
JP2010045212A (ja) * | 2008-08-13 | 2010-02-25 | Tdk Corp | 積層セラミック電子部品及びその製造方法 |
JP2010123613A (ja) * | 2008-11-17 | 2010-06-03 | Murata Mfg Co Ltd | セラミック電子部品及びセラミック電子部品の実装構造 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160035801A (ko) * | 2014-09-24 | 2016-04-01 | 주식회사 아모센스 | 무수축 바리스터 기판, 무수축 바리스터 기판 어레이 및 이의 제조 방법 |
KR101673488B1 (ko) * | 2014-09-24 | 2016-11-07 | 주식회사 아모센스 | 무수축 바리스터 기판, 무수축 바리스터 기판 어레이 및 이의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20130335189A1 (en) | 2013-12-19 |
CN103477402A (zh) | 2013-12-25 |
JPWO2012147299A1 (ja) | 2014-07-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5093840B2 (ja) | 発光素子実装用多層配線基板とその製造方法 | |
US9129733B2 (en) | Laminated inductor element and manufacturing method thereof | |
US9076714B2 (en) | Substrate for mounting light-emitting element and light-emitting device | |
JP5930893B2 (ja) | 半導体発光装置の製造方法 | |
JP2006216764A (ja) | 発光素子実装用配線基板 | |
US9704791B2 (en) | Wiring board and electronic device | |
JP2013065793A (ja) | 配線基板 | |
JP4926789B2 (ja) | 発光素子実装用多層配線基板とその製造方法 | |
US9848491B2 (en) | Wiring board, electronic device, and electronic module | |
JP6133901B2 (ja) | 配線基板、電子装置および発光装置 | |
JP2008227139A (ja) | 静電気対策部品およびこれを用いた発光ダイオードモジュール | |
WO2012147299A1 (ja) | 静電気対策部品およびその製造方法 | |
JP2008270327A (ja) | 静電気対策部品およびこれを用いた発光ダイオードモジュール | |
JP6626735B2 (ja) | 電子部品搭載用基板、電子装置および電子モジュール | |
JP3164276U (ja) | 半導体発光装置 | |
JP2008227137A (ja) | 静電気対策部品およびこれを用いた発光ダイオードモジュール | |
JP6336858B2 (ja) | 配線基板、電子装置および積層型電子装置 | |
JP6166194B2 (ja) | 配線基板、電子装置および電子モジュール | |
JP5855822B2 (ja) | 多数個取り配線基板 | |
JP4646779B2 (ja) | 積層コンデンサ、積層コンデンサの実装構造および積層コンデンサの製造方法 | |
JP2015069981A (ja) | 配線基板および電子装置 | |
JP2008227138A (ja) | 静電気対策部品およびこれを用いた発光ダイオードモジュール | |
JP2015050313A (ja) | 配線基板および電子装置 | |
CN107431047B (zh) | 布线基板、电子装置以及电子模块 | |
JP2023003236A (ja) | 発光モジュール及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12776489 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2013511909 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13985473 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12776489 Country of ref document: EP Kind code of ref document: A1 |