WO2005062318A1 - 電子部品 - Google Patents
電子部品 Download PDFInfo
- Publication number
- WO2005062318A1 WO2005062318A1 PCT/JP2004/012766 JP2004012766W WO2005062318A1 WO 2005062318 A1 WO2005062318 A1 WO 2005062318A1 JP 2004012766 W JP2004012766 W JP 2004012766W WO 2005062318 A1 WO2005062318 A1 WO 2005062318A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electronic component
- terminal
- exterior material
- component according
- drawn out
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/35—Feed-through capacitors or anti-noise capacitors
Definitions
- the present invention relates to an electronic component suitably used for an electronic device such as a modem, a power supply circuit, a power supply for liquid crystal, a DC-DC converter, a power line communication device, and the like.
- an electronic device such as a modem, a power supply circuit, a power supply for liquid crystal, a DC-DC converter, a power line communication device, and the like.
- capacitors are often used to remove noise or cut DC components.
- modems and the like often consist of two lines, one for data input and one for data output, and it is necessary to mount two electronic components on each line.
- the present invention is an electronic component having a plurality of devices, a pair of terminal portions provided in each of the plurality of devices, and an exterior material covering a part of the devices and the terminal portions, and is drawn out of the exterior material.
- a non-conductive shielding portion is provided between adjacent terminal portions.
- FIG. 1 is a side view of a multilayer capacitor according to an embodiment of the present invention.
- FIG. 2 is a connection configuration diagram of the multilayer capacitor according to the embodiment of the present invention.
- FIG. 3 is a perspective view in which the multilayer capacitor according to the embodiment of the present invention is arranged.
- FIG. 4A is a perspective view of an electronic component according to the embodiment of the present invention.
- FIG. 4B is a front view of the electronic component according to the embodiment of the present invention.
- FIG. 4C is a side view of the electronic component according to the embodiment of the present invention.
- FIGS. 5, 6, and 7 are perspective views of the electronic component according to the embodiment of the present invention.
- FIG 8 and 9 are front views of the electronic component according to the embodiment of the present invention.
- FIG. 10A is an experimental graph showing the distance between adjacent electrodes and electrical breakdown in the embodiment of the present invention.
- FIG. 10B is an experimental graph of a leakage current between the shielding portion and the terminal according to the embodiment of the present invention.
- Figure 11A is a mounting diagram of a conventional electronic component.
- FIG. 11B is a mounting diagram of the electronic component according to the embodiment of the present invention.
- FIGS. 12 and 13 are perspective views of the multilayer capacitor according to the embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- Figure 1 shows the multilayer capacitor 1.
- a multilayer capacitor is an example of an element, and the concept of the present invention can be applied to various other types of elements such as a capacitor, a resistor, an inductor, and a filter that are not a multilayer capacitor.
- the lead terminals 5 and 6 are connected to the two multilayer capacitors 1 respectively, and the two multilayer capacitors 1 and a part of the lead terminals 5 and 6 are partially covered by the exterior material 8. Molded.
- the mounting portions 5a and 6a which are part of the lead terminals 5 and 6 and are drawn out are used for mounting on a mounting board or the like.
- the adjacent portions of the lead terminals 5 drawn out of the exterior material Alternatively, by specifying the distance of the inter-terminal distance extension portion 9 which is an adjacent portion of the lead terminals 6 to be 0.5 mm or more, it is possible to prevent a leak current from occurring in the inter-terminal distance extension portion 9
- the electronic component 7 can be mounted on a two-line line at a time as a four-terminal electronic component, and the size can be reduced. Also, the mounting process is shortened, the mounting cost is reduced, and the mounting area is also reduced. In addition, it can avoid adverse effects on electronic equipment.
- the multilayer capacitor 1 will be described with reference to FIG.
- the dielectric substrate 2 composed of a dielectric, for example, a dielectric material such as titanium oxide or barium titanate, or alumina is used. Using such a material, a dielectric substrate having a required shape and size can be formed.
- a dielectric material such as titanium oxide or barium titanate, or alumina is used. Using such a material, a dielectric substrate having a required shape and size can be formed.
- the internal electrode 3 is an electrode embedded inside the dielectric substrate 2.
- a metal material containing at least one of Ni, Ag, Pd, Cu, and Au can be used.
- Ni alone or Ni alloy is advantageous in terms of cost.
- the surface of the internal electrode 3 may be subjected to metal plating.
- the thickness of the internal electrodes 3 is preferably 1 to 5 m, and the interval between adjacent internal electrodes 3 is preferably 15 ⁇ m or more.
- the internal electrode 3 is electrically connected to the terminal portion 4, and the internal electrode 3 connected only to one terminal portion 4 and the internal electrode 3 connected only to the other terminal portion 4 are opposed to each other. A main capacitance is generated between the internal electrodes 3 that are turned on.
- terminal portions 4 connected to the internal electrodes 3 are often provided at both ends of the dielectric substrate 2, but may be provided at positions other than both ends.
- terminal portions 4 may be formed above and below the dielectric substrate 2 and connected to the lead terminals 5 and 6.
- Terminal part 4 has Cu, Zn, Ni,
- the terminal portion 4 may be a terminal portion formed by bonding a metal cap to the dielectric substrate 2. Further, it is preferable that the outermost portion (outermost portion) of the terminal portion 4 is made of a conductive material having a melting point of 200 ° C. or more. With this configuration, even if the electronic component 7 is heated to a high temperature during the reflow soldering process, the terminal portion 4 does not suffer thermal damage, and a stable reflow characteristic can be obtained. Can be.
- a plurality of dielectric sheets each having the internal electrode 3 applied and formed on one surface are prepared, and these dielectric sheets are laminated so that the electrodes do not directly contact each other. Terminal portions 4 are formed at both ends of the manufactured laminate.
- the plurality of multilayer capacitors 1 may have different capacitance values. For example, when mounting on a paired line of an output line and an input line such as a modem or a power line communication module, if the required capacitance value of each line is different, it is more appropriate to use different capacitance values.
- FIG. 3 illustrates the case where the number of the multilayer capacitors 1 is two, but three or more may be used.
- a multilayer capacitor and a normal capacitor may be mixed, or a capacitor and an inductor may be mixed.
- the lead terminals 5 and 6 are connected to the end of the multilayer capacitor 1. It is connected to the slave unit 4 and is drawn out. Therefore, even after being molded on the exterior material 8, a lead terminal that can be electrically connected to the exterior of the exterior material 8 can be drawn out. By mounting the electronic components on the mounting board via the lead terminals 5 and 6, it becomes possible to electrically connect the devices, including the multilayer capacitor 1 molded inside, to external circuits, etc. .
- a metal material selected from at least one of Fe, Cu and Ni is suitable, and the use of these materials depends on electrical characteristics and workability. It is advantageous in terms of. Also, alloys composed of these metals may be used. Further, the surfaces of the lead terminals 5 and 6 may be subjected to a single-layer or multi-layer plating process using the above metal or alloy.
- the lead terminals 5 and 6 have a joint portion connected to the terminal portion 4, an extending portion extending outward of the exterior material 8, and mounting portions 5 a and 6 which are bent in the middle and mounted on the mounting board. has a. Further, as shown in FIG. 4C, the mounting portions 5a and 6a may be bent in a direction approaching each other, or may be bent in a direction away from each other to form a so-called “gull wing lead”. .
- the joining portion for joining the terminal portion 4 and the lead terminals 5, 6 is preferably the melting point is composed of 2 0 0 D C or more bonding material. As a result, it is possible to prevent the characteristics from deteriorating without being affected by thermal effects such as reflow in mounting the electronic component 7.
- terminal portions 4 When the terminal portions 4 are provided not at both ends but at the top and bottom of the dielectric substrate 2, they may be connected alternately up and down in accordance with this, and then pulled out of the exterior material 8. .
- the distance between the lead terminals 5 and 6 can be increased, and the balance after mounting is improved.
- FIG. 3 shows the lead terminals of two multilayer capacitors 1 Although an example in which 5 and 6 are connected is shown, three or more multilayer capacitors 1 may be integrally molded, or an element other than the multilayer capacitor may be used.
- the parasitic capacitance generated between the lead terminals 5 and 6 be within 0.1 to 5.0 OpF. If the parasitic capacitance is larger than 5. OpF, there is a problem that the capacitance variation becomes very large when the electronic component 7 is manufactured, while if it is smaller than 0.1 pF, the production becomes difficult. Also, if necessary, the lead terminal can be trimmed to adjust the area, and the parasitic capacitance can be adjusted ex post facto.
- the lead terminals 5 and 6 have substantially the same shape as each other, the number of parts can be reduced, and productivity is improved. In addition, since the lead terminals 5 and 6 can be pulled out from almost the same height position of the exterior material 8 and can be drawn out to almost the same length, an electronic component with good symmetry can be manufactured. .
- the exterior material 8 integrally molds the two multilayer capacitors 1.
- the exterior capacitor 8 molds the multilayer capacitor 1 and a part of the lead terminals 5 and 6 to complete the final electronic component 7.
- the external shape of the electronic component 7 shown in FIGS. 4A to 4C is a substantially rectangular parallelepiped, impact resistance can be improved by chamfering each side or corner.
- the extraction of the lead terminals 5 and 6 makes it possible to mount the electronic component 7 on the substrate.
- an epoxy resin having excellent electric insulation properties such as a cresol nopolak type epoxy resin, a biphenyl type epoxy resin, and a dicyclopentene type epoxy resin can be used.
- the minimum value of the distance between the surface of the exterior material 8 and the surface of the multilayer capacitor 1, that is, the thinnest portion of the external material 8 is set to 0.1 mm or more, it is possible to improve the withstand voltage of the outer casing. it can.
- the thickness of the exterior material 8 at the portion from which the lead terminals 5 and 6 are drawn out thicker than at other portions, the base of the lead portion of the lead terminals 5 and 6 can be strengthened. This prevents the lead terminals 5 and 6 from bending, etc. Etc. can be easily prevented.
- the lead terminals 5 and 6 are connected to the multilayer capacitor 1 to produce an element body.
- the two manufactured element bodies are arranged side by side and molded using a molding machine or the like, and the multilayer capacitor 1 and a part of the lead terminals 5 and 6 are covered with the exterior material 8.
- the electronic components 7 are completed by bending the portions of the lead terminals 5 and 6 drawn out of the exterior material 8 as shown in FIG. 4C.
- an extension In a state in which a plurality of lead terminals 5 or lead terminals 6 are drawn out of the exterior material 8, a portion sandwiched between adjacent lead terminals 5 or between lead terminals 6 is an inter-terminal distance extension portion (hereinafter referred to as an extension).
- Part) 9 4A to 4C show an example in which two multilayer capacitors 1 are arranged in parallel, and the extended portion 9 corresponds to a portion sandwiched between two lead terminals 6 in FIG. 4B.
- the electronic component 7 molded with the exterior material 8 there are two portions, an extension portion 9 formed by the lead terminals 5 and an extension portion 9 formed by the lead terminals 6. Extension 9 is present.
- the adjacent distance of the extension portion 9 be 0.5 mm or more and 5 mm or less.
- the adjacent distance By setting the adjacent distance to 0.5 mm or more, there is no occurrence of leakage current or reduction in insulation resistance between the drawn lead terminals, no short circuit between the mounted lines, and There is no adverse effect on electronic equipment.
- it if it is larger than 5 mm, it is not preferable because the element interval becomes too wide and the miniaturization of electronic components is hindered.
- the shielding portion 10 is provided in the extension portion 9 between the lead terminals, and prevents the occurrence of a leak current or the like between the lead terminals.
- the shielding portion 10 may be a protrusion integrally formed with the exterior material 8, and may be formed of a non-conductive insulating material separately.
- the formed member may be formed by bonding, fitting, or the like. Forming integrally with the exterior material 8 is preferable because the number of steps can be reduced.
- an adhesive resin may be filled in a bonding portion between the separate member and the exterior material 8. Further, a coating made of silicon rubber or the like may be formed on the exposed surface of the shielding portion 10.
- FIG. 6 which is a perspective view of the bottom surface of the electronic component 7
- a shielding portion 10 is provided on the extension portion 9 over the entire portion where the lead terminals 5 and 6 are drawn out of the exterior material 8. Preferably, it is formed.
- adjacent terminal portions are manufactured as shown in FIG. 6, it is possible to prevent the occurrence of a leak current or the like in all portions where the lead terminals 5 or the lead terminals 6 are adjacent to each other.
- the thickness of the shielding portion 10 (that is, the protruding height) is larger than the thickness of the lead terminals 5 and 6 drawn out of the exterior material 8. Since the thickness of the shielding portion 10 is greater than the thickness of the lead terminals 5 and 6, leakage current between the lead terminals 5 or between adjacent lead terminals 6 or a decrease in insulation resistance is ensured. There is a merit that can be prevented. It is preferable that the thickness of the shielding portion 10 is 0.2 mm or more larger than the thickness of the lead terminal. As will be described in the experimental results later, the leak current can be reliably prevented by having an extra thickness of 0.2 mm or more.
- FIG. 6 shows a case where the mounting portions 5a and 6a of the lead terminals 5 and 6 are formed on the bottom surface of the electronic component 7, and the thickness of the shielding portion 10 is larger than the thickness of the lead terminals 5 and 6.
- An example is shown below.
- the electronic component 7 having the shielding portion 10 on the bottom surface can be mounted.
- FIG. 7 illustrates the above configuration using lead terminals 6.
- Lead terminal 6 Is bent toward the outside of the electronic component, so that the two lead terminals 6 extend outwardly adjacent to each other.
- the shielding portion 10 is formed so as to have a thickness enough to shield up to the tip of the lead terminal 6.
- the shielding portion 10 may be formed integrally with the exterior material 8, or the shielding portion 10 having a predetermined thickness may be formed later by bonding, fitting, or bonding to the exterior material 8.
- the shielding portion 10 made of an electrically insulating material between the lead terminals 5 or between the lead terminals 6 over the entire area where the lead terminals 5 and 6 are adjacent to each other, the leakage current between the lead terminals can be reduced. It is possible to prevent generation and reduction of insulation resistance.
- FIG. 8 shows a configuration in which the lead terminal 6 is taken as an example, and the shape of the lead terminal 6 at the portion pulled out from the exterior material 8 has a portion with a wider distance between adjacent portions than the vicinity of the portion near the lead-out portion from the exterior material 8.
- An electronic component 7 is shown. Comparing the adjacent distance 1 1 in the vicinity of the lead-out section with the adjacent distance 1 2 in the mounting section, as is clear from FIG. 7, the adjacent distance 1 2 in the mounting section is larger. That is, over the majority of the lead terminals 6 drawn out of the exterior material 8, the distance between adjacent terminals is sufficiently large. With this configuration, the distance between the adjacent lead terminals 5 and 6 can be made sufficiently larger than the distance between the multilayer capacitors 1 which are the elements molded inside the exterior material 8.
- a bent portion 13 is provided on the lead terminals 5 and 6 as shown in FIG.
- This bend 1 3 May be formed by bending lead terminals 5 and 6 three-dimensionally, or may be a two-dimensional bent portion formed by cutting out a part of lead terminals 5 and 6. .
- the lead terminals 5 and 6 may be drawn out of the exterior material 8 into the shape shown in FIG. 9 to increase the distance between adjacent ones.
- the expansion portion 9 becomes a structure that expands one after another.
- the expanded portions 9 are provided with The shielding portions 10 shown in FIGS. 5 to 7 can be formed together. As a result, it is possible to further prevent the occurrence of leak current.
- the shielding portion 10 may conform to the shape of the extension portion 9 and may have a fixed shape such as a rectangular parallelepiped regardless of the shape.
- Fig. 1 OA is a graph showing the experimental results of the relationship between the distance between adjacent lead terminals and the electrical breakdown value.
- the horizontal axis represents the distance between adjacent lead terminals, and the vertical axis represents the value of the applied voltage at which a leak current that causes electronic component destruction occurs.
- the withstand voltage against leakage current must be 1 kV AC or more, and it can be seen that this can be ensured from 0.5 mm or more. If it is less than 0.5 mm, a leak current is generated at less than 1 kV AC, indicating that a sufficient withstand voltage is not satisfied.
- the configuration in which the distance between the adjacent lead terminals 5 or between the lead terminals 6 is 0.5 mm or more allows leakage current between the lead terminals and insulation resistance. Is reliably prevented from decreasing.
- FIG. 10B shows the measurement results when there is no shielding part 10 and when there is a shielding part 10 with a different protrusion amount when the distance between the adjacent parts is 0.2 mm.
- the difference between the protrusion amount and the voltage value at which the leak current occurs is compared.
- A When there is no shielding part 10,
- B When the protruding amount of the shielding part 10 is 0.1 mm larger than the thickness of the lead terminal, and
- C When the protruding amount of the shielding part 10 is outside the lead terminal.
- D The case where the amount of protrusion of the shielding part 10 is 0.3 mm larger than the thickness of the lead terminal outside is shown.
- the amount of projection of the shielding portion 10 is 0.2 mm or more, the effect becomes remarkable. Since the shielding part 10 can secure the leakage withstand voltage, the distance between the lead terminals and the distance between the multilayer capacitors 1 molded on the exterior material 8 can be narrowed, and a very small electronic component 7 can be configured. It is possible to do. Further, if the shield portion 10 is at least 0.2 mm thicker than the thickness of the lead terminals protruding outside, a remarkable shielding effect between the lead terminals can be obtained.
- FIG. 11B shows a state in which one electronic component in which two elements are integrated is mounted on the mounting board 15 according to the embodiment of the present invention.
- Fig. As a comparative example, a state where two molded electronic components are mounted for each element on a mounting board 14 is illustrated.
- Electronic components such as modems and power line communication modules are molded with multilayer capacitors and capacitors for the purpose of noise reduction, etc. on each of the two- line output data and input data lines.
- the conventional electronic component 70 in which a single element is molded requires two processing steps for mounting, and is further molded for each electronic component.
- the dimensions are large, and the required mounting area is large.
- the mounting area is increased and the lines are drawn. Turning is required.
- the mounting area can be reduced if the electronic component 7 has two elements molded. Furthermore, since the space between the adjacent lead terminals 5 or 6 is also narrowed, the space between the line 18 and the line 19 can be narrowed, and the mounting area can be further reduced in size. In addition, since the routing of the line is not required, there is also an advantage that the radiation of the line generated by the routing and the adverse effect on other mounted components can be avoided. In addition, it can be mounted on the track in a single processing procedure during mounting, reducing mounting costs.
- the above-described embodiment exemplifies an electronic component having a multilayer capacitor 1 in which a pair of terminal portions 4 are formed on a single base 2 as an element, as shown in FIGS.
- an electronic component having a multilayer capacitor 1 in which a plurality of pairs of terminal portions 4 are formed on one base 2 will be described.
- a plurality of pairs of terminal portions 4 on the end face of a base made of ceramics such as alumina, it is possible to use a single element but to realize an electric element such as a capacitor or a multilayer capacitor 1.
- An element including a plurality of elements can be formed.
- the multilayer capacitor 1 is used as an element, the internal electrodes 3 inside the base are separated for each pair of terminal portions 4 and connected to the terminal portion 4 for each separated internal electrode 3.
- a plurality of parallel multilayer capacitors 1 can be formed by a single element body.
- other electric elements such as a single-plate capacitor, a resistor, and an inductor may be stored in a single base in a form in which a plurality of elements are arranged in parallel.
- the element By using an element such as the multilayer capacitor 1 made of a single element body, the element can be easily manufactured. That is, there is an advantageous effect that the manufacture of the electronic component 7 is facilitated, and the miniaturization can be further promoted.
- FIGS. 12 and 13 illustrate the case where the element 1 has two pairs of terminal parts 4, the element 1 may have three or more pairs of terminal parts.
- the number of terminals can be determined appropriately according to the specifications and the like.
- the element 1 shown in FIGS. 12 and 13 may be singly enclosed in the exterior material 8 or a plurality of them may be enclosed.
- the lead terminals 5 and 6 of the multilayer capacitor 1 in which a plurality of pairs of terminal portions 4 are formed on one base will be described.
- the lead terminals 5 and 6 are connected to the terminals 4 of the multilayer capacitor 1 and It is in a form that can be withdrawn.
- the two multilayer capacitors 1 are molded into one.
- lead terminals 5 and 6 are connected to each multilayer capacitor 1 individually.
- a multilayer capacitor 1 composed of a single substrate
- a single substrate is used.
- a total of four lead terminals 5, 6 can be drawn from 1.
- the lead terminals must have a sufficient distance of (1) an adjacent distance of 0.5 mm or more.
- a shielding portion 10 is provided; and (3) a bent portion 13 is provided to allow a sufficient distance between adjacent members. Thereby, the leakage current withstand voltage between the lead terminals is sufficiently ensured.
- the present invention provides an electronic component in which a plurality of elements are molded with one exterior material for the purpose of miniaturizing the electronic component and reducing the mounting area. It can be seen that the decrease in the withstand voltage due to the decrease in the distance can be efficiently and reliably prevented. As a result, the miniaturization of electronic components, the reduction of mounting area, the reduction of mounting processing, and the reduction of mounting costs by molding multiple elements with one exterior material impede the durability of electronic components. It can be realized without. Also, since these are realized by a very simple configuration, there is no increase in the cost of electronic components.
- a multilayer capacitor is described as an example of an element.
- applicable elements are not limited to this, and ordinary non-stacked capacitors, resistors, inductances, filters, and the like can be used. The same applies to various elements.
- the terminal even if a part of the lead terminal connected to the multilayer capacitor is a terminal drawn out of the exterior material, part of the terminal connected in advance to the element is The terminal may be a terminal that is drawn out to the outside.
- the present invention is capable of mounting a plurality of electronic components at once by a configuration in which a plurality of elements, in particular, a multilayer capacitor is molded with one exterior material and terminals are exposed to the outside, so that the number of mounting steps can be reduced, and The mounting cost can be reduced.
- the mounting area can be reduced as compared with a case where individual electronic components are mounted, and the size of the electronic device can be reduced.
- the line spacing on the mounting board can be reduced, so that the mounting board can be prevented from becoming large due to extra routing of the lines, and performance degradation such as line radiation can be eliminated.
- by being molded with external materials durability against changes in the surrounding environment is increased, impact resistance is improved, and the life of electronic devices can be extended.
- insulation between terminals can be further ensured by providing a projection on the exterior material or forming a shielding part such as connecting a member from the outside at the interval between adjacent terminals drawn out of the exterior material.
- a shielding part such as connecting a member from the outside at the interval between adjacent terminals drawn out of the exterior material.
- the element to be molded is a capacitor that requires a high withstand voltage, a large current may be shorted due to the occurrence of leakage current, which may cause a failure of the electronic device. This can be avoided.
- the present invention relates to an electronic component having a plurality of elements, a pair of terminal portions provided on each of the plurality of elements, and an exterior material covering a part of the elements and the terminal portions, wherein the electronic component includes an exterior member.
- a configuration in which a shielding portion made of a non-conductive insulating material is provided between adjacent exposed terminal portions allows a plurality of electronic components to be mounted at one time, thereby reducing mounting procedures and mounting costs. It can also be applied to applications where it is necessary to reduce the leakage and prevent the occurrence of leakage current between terminals.
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003420648A JP4379107B2 (ja) | 2003-12-18 | 2003-12-18 | 電子部品 |
JP2003-420648 | 2003-12-18 | ||
JP2004126627A JP4415744B2 (ja) | 2003-12-11 | 2004-04-22 | 電子部品 |
JP2004-126627 | 2004-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005062318A1 true WO2005062318A1 (ja) | 2005-07-07 |
Family
ID=34680661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/012766 WO2005062318A1 (ja) | 2003-12-18 | 2004-08-27 | 電子部品 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7139160B2 (ja) |
TW (1) | TW200522099A (ja) |
WO (1) | WO2005062318A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060108663A1 (en) * | 2004-11-19 | 2006-05-25 | Sanzo Christopher J | Surface mount inductor with integrated componentry |
US20070072340A1 (en) * | 2004-11-19 | 2007-03-29 | Sanzo Christopher J | Electronic Device with Inductor and Integrated Componentry |
US7133274B2 (en) * | 2005-01-20 | 2006-11-07 | Matsushita Electric Industrial Co., Ltd. | Multilayer capacitor and mold capacitor |
EP1801142B1 (en) * | 2005-12-16 | 2016-02-24 | Canon Kabushiki Kaisha | Resin composition,resin cured product, and liquid discharge head |
JP4953795B2 (ja) * | 2006-12-22 | 2012-06-13 | パナソニック株式会社 | 電子部品、及びその作成方法 |
KR100926619B1 (ko) * | 2007-12-05 | 2009-11-11 | 삼성모바일디스플레이주식회사 | 적층 세라믹 커패시터를 실장한 인쇄회로기판 및 이를이용한 평판 표시장치 |
DE202008005708U1 (de) * | 2008-04-24 | 2008-07-10 | Vishay Semiconductor Gmbh | Oberflächenmontierbares elektronisches Bauelement |
DE102013109093B4 (de) * | 2012-08-24 | 2022-01-20 | Tdk Corp. | Keramische elektronische komponente |
US10104764B2 (en) | 2014-03-18 | 2018-10-16 | Texas Instruments Incorporated | Electronic device package with vertically integrated capacitors |
JP7192387B2 (ja) * | 2018-10-22 | 2022-12-20 | Tdk株式会社 | 電子部品 |
KR102620522B1 (ko) * | 2019-07-25 | 2024-01-03 | 삼성전기주식회사 | 전자 부품 및 그 실장 기판 |
US10998132B1 (en) * | 2019-10-16 | 2021-05-04 | Infineon Technologies Ag | Capacitor and electronics module assembly with low-inductance connection features |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0459124U (ja) * | 1990-09-27 | 1992-05-21 | ||
JPH06125236A (ja) * | 1992-10-12 | 1994-05-06 | Matsushita Electric Ind Co Ltd | Lcフィルタ |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5856431A (ja) | 1981-09-30 | 1983-04-04 | Adamando Kogyo Kk | キヤピラリ−チツプ |
DE3412492A1 (de) | 1984-04-03 | 1985-10-03 | Siemens AG, 1000 Berlin und 8000 München | Elektrischer kondensator als chip-bauelement |
JPS6127327A (ja) | 1984-07-17 | 1986-02-06 | Kayaba Ind Co Ltd | 油圧緩衝装置 |
JPS61129322A (ja) | 1984-11-27 | 1986-06-17 | Nissan Motor Co Ltd | ドアコ−ナピ−ス |
US4734819A (en) | 1985-12-20 | 1988-03-29 | Rogers Corporation | Decoupling capacitor for surface mounted leadless chip carrier, surface mounted leaded chip carrier and pin grid array package |
US4748537A (en) | 1986-04-24 | 1988-05-31 | Rogers Corporation | Decoupling capacitor and method of formation thereof |
EP0327860A1 (de) | 1988-02-10 | 1989-08-16 | Siemens Aktiengesellschaft | Elektrisches Bauelement in Chip-Bauweise und Verfahren zu seiner Herstellung |
JP2865817B2 (ja) | 1990-06-27 | 1999-03-08 | 川崎製鉄株式会社 | H形鋼の反り矯正用ローラ矯正機 |
JP2678099B2 (ja) | 1991-06-04 | 1997-11-17 | 松下電器産業株式会社 | 面実装用磁器コンデンサ |
US5420745A (en) | 1991-09-30 | 1995-05-30 | Matsushita Electric Industrial Co., Ltd. | Surface-mount type ceramic capacitor |
JP3205014B2 (ja) | 1991-09-30 | 2001-09-04 | 松下電器産業株式会社 | 面実装系磁器コンデンサ |
JP3210042B2 (ja) | 1991-11-08 | 2001-09-17 | 松下電器産業株式会社 | 面実装用電子部品 |
JP3215459B2 (ja) | 1991-09-30 | 2001-10-09 | 松下電器産業株式会社 | 面実装用磁器コンデンサの実装構造 |
JPH05101975A (ja) | 1991-09-30 | 1993-04-23 | Matsushita Electric Ind Co Ltd | 面実装用の磁器コンデンサ |
JP3099509B2 (ja) | 1992-04-24 | 2000-10-16 | 松下電器産業株式会社 | 面実装用の磁器コンデンサ |
JPH06163315A (ja) | 1992-11-17 | 1994-06-10 | Matsushita Electric Ind Co Ltd | 面実装用磁器コンデンサ |
JP3387130B2 (ja) | 1992-12-25 | 2003-03-17 | 松下電器産業株式会社 | 面実装用磁器コンデンサ |
JPH0766325A (ja) | 1993-08-26 | 1995-03-10 | Rohm Co Ltd | 合成樹脂パッケージ型電子部品の構造 |
JPH097877A (ja) | 1995-04-18 | 1997-01-10 | Rohm Co Ltd | 多層セラミックチップ型コンデンサ及びその製造方法 |
JP3340625B2 (ja) | 1996-07-04 | 2002-11-05 | 株式会社村田製作所 | 表面実装型セラミック電子部品 |
US5889445A (en) | 1997-07-22 | 1999-03-30 | Avx Corporation | Multilayer ceramic RC device |
US6046507A (en) | 1997-12-08 | 2000-04-04 | Advanced Micro Devices | Electrophoretic coating methodology to improve internal package delamination and wire bond reliability |
DE69936008T2 (de) * | 1998-01-07 | 2008-01-10 | Tdk Corp. | Keramischer Kondensator |
JP3777856B2 (ja) | 1998-11-20 | 2006-05-24 | 松下電器産業株式会社 | 面実装用電子部品 |
DE19953594A1 (de) | 1998-11-20 | 2000-05-25 | Matsushita Electric Ind Co Ltd | Oberflächenmontierte elektronische Komponente |
JP3881481B2 (ja) | 1999-10-14 | 2007-02-14 | ローム株式会社 | 固体電解コンデンサの製法 |
JP2002025852A (ja) | 2000-07-07 | 2002-01-25 | Matsushita Electric Ind Co Ltd | 電子部品 |
JP2002043170A (ja) | 2000-07-21 | 2002-02-08 | Murata Mfg Co Ltd | 積層セラミックコンデンサモジュール |
JP2002043166A (ja) | 2000-07-24 | 2002-02-08 | Matsushita Electric Ind Co Ltd | 電子部品 |
JP4736225B2 (ja) | 2001-04-16 | 2011-07-27 | パナソニック株式会社 | コンデンサ |
JP3910045B2 (ja) * | 2001-11-05 | 2007-04-25 | シャープ株式会社 | 電子部品内装配線板の製造方法 |
JP4187184B2 (ja) * | 2002-02-28 | 2008-11-26 | Tdk株式会社 | 電子部品 |
JP3885938B2 (ja) * | 2002-03-07 | 2007-02-28 | Tdk株式会社 | セラミック電子部品、ペースト塗布方法及びペースト塗布装置 |
US6870727B2 (en) * | 2002-10-07 | 2005-03-22 | Avx Corporation | Electrolytic capacitor with improved volumetric efficiency |
JP2004247594A (ja) * | 2003-02-14 | 2004-09-02 | Nec Tokin Corp | チップ型コンデンサ及びその製造方法並びにモールド金型 |
-
2004
- 2004-08-27 WO PCT/JP2004/012766 patent/WO2005062318A1/ja active Application Filing
- 2004-09-02 TW TW093126495A patent/TW200522099A/zh unknown
- 2004-09-13 US US10/938,589 patent/US7139160B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0459124U (ja) * | 1990-09-27 | 1992-05-21 | ||
JPH06125236A (ja) * | 1992-10-12 | 1994-05-06 | Matsushita Electric Ind Co Ltd | Lcフィルタ |
Also Published As
Publication number | Publication date |
---|---|
US7139160B2 (en) | 2006-11-21 |
US20050133240A1 (en) | 2005-06-23 |
TW200522099A (en) | 2005-07-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4953988B2 (ja) | 積層コンデンサおよびコンデンサ実装基板 | |
KR101952860B1 (ko) | 적층 세라믹 커패시터 및 그 실장 기판 | |
US20150124370A1 (en) | Multilayer ceramic capacitor | |
JP2002025852A (ja) | 電子部品 | |
WO2005062318A1 (ja) | 電子部品 | |
JP2019525522A (ja) | 雑音信号をフィルタリングするためのフィルタ素子 | |
US8395881B2 (en) | Multilayer feedthrough capacitor and mounted structure of multilayer feedthrough capacitor | |
JPWO2015182114A1 (ja) | 半導体装置、内蔵用キャパシタユニット、半導体実装体と、内蔵用キャパシタユニットの製造方法 | |
US7042700B2 (en) | Electronic component | |
KR102516764B1 (ko) | 복합 전자 부품 | |
US20190014655A1 (en) | Composite component-embedded circuit board and composite component | |
JP4736225B2 (ja) | コンデンサ | |
JP4379107B2 (ja) | 電子部品 | |
KR101809121B1 (ko) | 대전력 세라믹커패시터 패키징장치 | |
JP5741416B2 (ja) | 電子部品の実装構造 | |
KR102202471B1 (ko) | 복합 전자 부품 및 그 실장 기판 | |
KR101813364B1 (ko) | 복합 전자 부품 및 그 실장 기판 | |
JP2006093532A (ja) | 電子部品 | |
JP2003257779A (ja) | 電子部品 | |
KR20120050289A (ko) | 캐패시터 내장형 인쇄회로기판 | |
KR102189802B1 (ko) | 복합 전자 부품 및 그 실장 기판 | |
JP2005183434A (ja) | 電子部品 | |
JP3454941B2 (ja) | リードフレーム | |
KR101740860B1 (ko) | 복합 전자 부품 및 그 실장 기판 | |
JP2006339401A (ja) | 電子部品 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |