WO2007049509A1 - 固体電解コンデンサ - Google Patents
固体電解コンデンサ Download PDFInfo
- Publication number
- WO2007049509A1 WO2007049509A1 PCT/JP2006/320918 JP2006320918W WO2007049509A1 WO 2007049509 A1 WO2007049509 A1 WO 2007049509A1 JP 2006320918 W JP2006320918 W JP 2006320918W WO 2007049509 A1 WO2007049509 A1 WO 2007049509A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- anode
- lead frame
- solid electrolytic
- electrolytic capacitor
- frame portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
- H01G9/012—Terminals specially adapted for solid capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
- H01G2/06—Mountings specially adapted for mounting on a printed-circuit support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
Definitions
- the present invention relates to a surface-mount type solid electrolytic capacitor in which an anode terminal and a cathode terminal that also have lead frame force are connected to a capacitor element.
- the capacitor element is formed by sequentially forming a cathode layer 5 together.
- Anode lead frame 9 is connected to anode terminal 31 protruding from anode body 3 via anode relay member 91, and cathode lead frame 8 is connected to cathode lead layer 5b via cathode bonding material 29. Connected, and the entire capacitor element is covered with an exterior resin 6 that also has an epoxy resin equivalent force.
- Each of the anode lead frame 9 and the cathode lead frame 8 has an anode-side terminal surface 10 and a cathode-side terminal surface 20 exposed from the back surface of the outer casing 6.
- the anode body 3 also has a sintering power of tantalum powder, and the anode terminal 31 and the anode relay member 91 are made of tantalum.
- the anode lead frame 9 also has a flat plate force made of an alloy mainly composed of iron and nickel.
- the anode relay member 91 is placed on the flat plate portion of the anode lead frame 9 and resistance welded, and the anode terminal 31 is arranged in the direction crossing the anode relay member 91 and resistance welded.
- the anode relay member 91 is required to connect the anode terminal 31 and the anode lead frame 9, and the anode relay member 91
- the thin and short wire is quite fine, it is inconvenient to handle when it is placed on the anode lead frame 9 and welded, resulting in poor workability.
- an object of the present invention is to provide an anode relay in a solid electrolytic capacitor in which the anode lead frame and the cathode lead frame are exposed to the back surface force of the exterior resin to form the anode side terminal surface and the cathode side terminal surface as described above. It is an object of the present invention to provide a solid electrolytic capacitor capable of connecting an anode terminal and an anode lead frame without using a member.
- a solid electrolytic capacitor according to the present invention includes a capacitor element in which an insulator film and a cathode layer are sequentially provided on the surface of an anode body on which an anode terminal is projected, an exterior resin covering the capacitor element, An anode lead frame having an anode side terminal surface that is connected to the tip of the anode terminal of the capacitor element and exposed from the exterior resin, and a cathode side terminal surface that is connected to the cathode layer and exposed from the exterior resin A cathode lead frame.
- the anode lead frame includes a separation frame portion extending in a region embedded in the exterior resin along the anode terminal at a position separated from the anode terminal force, and a central portion of the separation frame portion. And a joining frame portion that projects from the anode terminal toward the anode terminal and is joined to the anode terminal.
- the anode lead frame is embedded in the exterior resin over the entire length thereof, and the back surface of the spacing frame portion is exposed to the back surface force of the exterior resin, so that the anode side terminal A surface is formed.
- the anode lead frame is composed of an embedded frame portion embedded in the exterior resin and an exposed frame portion extending along a side surface and a back surface of the exterior resin, and the embedded frame portion includes the A spacing frame portion and a joining frame portion are formed, and the anode side terminal surface is formed at the tip of the exposed frame portion.
- the anode lead frame has a flat surface extending on the same plane as the separating frame portion on both sides in the width direction perpendicular to the longitudinal direction of the anode lead frame with the joining frame portion interposed therebetween. The part is formed.
- a concave portion for positioning the anode terminal is formed by recessing the central portion from both ends in a direction orthogonal to the longitudinal direction of the anode terminal.
- the configuration of the present invention since the anode terminal of the anode body is directly joined to the joining frame portion of the anode terminal, the conventional anode relay member becomes unnecessary, and the anode terminal is used as the anode lead member.
- the workability of the connecting process is improved.
- the joining frame part of the anode terminal is formed into a bottomed cylindrical shape by deep drawing, the problem of molding error such as spring back is solved.
- the joining frame portion has a recess opening on the back surface of the solid electrolytic capacitor, when the solid electrolytic capacitor is surface-mounted on a printed wiring board or the like by a reflow soldering process, it is formed on the inner periphery of the recess. A so-called fillet is formed, and the mounting strength increases.
- FIG. 1 is a perspective view of a solid electrolytic capacitor according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along line AA in FIG.
- FIG. 3 is a sectional view taken along line BB in FIG.
- FIG. 4 is a rear view of the solid electrolytic capacitor.
- FIG. 5 is a perspective view of a solid electrolytic capacitor according to a second embodiment of the present invention.
- FIG. 6 is a cross-sectional view taken along line AA in FIG.
- FIG. 7 is a sectional view taken along line BB in FIG.
- FIG. 8 is a rear view of the solid electrolytic capacitor.
- FIG. 9 is a perspective view of a solid electrolytic capacitor according to a third example of the present invention.
- FIG. 10 is a sectional view taken along line AA in FIG.
- FIG. 11 is a sectional view taken along line BB in FIG.
- FIG. 12 is a back view of the solid electrolytic capacitor.
- FIG. 13 is a perspective view of a solid electrolytic capacitor according to a fourth example of the present invention.
- FIG. 14 is a cross-sectional view taken along line AA in FIG.
- FIG. 15 is a sectional view taken along line BB in FIG.
- FIG. 16 is a rear view of the solid electrolytic capacitor.
- FIG. 17 is a perspective view of a solid electrolytic capacitor according to a fifth example of the present invention.
- FIG. 18 is a sectional view taken along line AA in FIG.
- FIG. 19 is a sectional view taken along line BB in FIG.
- FIG. 20 is a rear view of the solid electrolytic capacitor.
- FIG. 21 is a perspective view of a conventional solid electrolytic capacitor.
- FIG. 22 is a cross-sectional view taken along the line AA in FIG.
- FIG. 23 is a sectional view taken along line BB in FIG.
- FIG. 24 is a rear view of the solid electrolytic capacitor.
- FIG. 25 is a sectional view of a solid electrolytic capacitor according to a sixth example of the present invention.
- FIG. 26 is a perspective view showing a main part of the solid electrolytic capacitor.
- FIG. 27 is a diagram showing a molding process of an anode lead frame in the solid electrolytic capacitor of the present invention.
- FIG. 28 is a view showing a filling process of the exterior resin in the solid electrolytic capacitor of the present invention.
- FIG. 29 is a perspective view showing a main part of a solid electrolytic capacitor according to a seventh embodiment of the present invention.
- FIG. 30 is a perspective view showing a main part of a solid electrolytic capacitor according to an eighth embodiment of the present invention.
- FIG. 31 is a cross-sectional view taken along the line CC in FIG. 30.
- FIG. 32 is a cross-sectional view showing another configuration example of the main part of the solid electrolytic capacitor according to the present invention.
- FIG. 33 is a cross-sectional view of the solid electrolytic capacitor in accordance with the ninth embodiment of the present invention.
- FIG. 34 is a cross-sectional view of a conventional solid electrolytic capacitor.
- FIG. 35 is a view for explaining springback of the anode lead frame.
- FIG. 36 is a diagram for explaining a problem of a conventional solid electrolytic capacitor.
- FIG. 37 is a plan view for explaining the displacement of the capacitor element with respect to the lead frame.
- the solid electrolytic capacitor has a surface of an anode body 3 made of a sintered body of a valve action metal (tantalum, niobium, titanium, aluminum, etc.), a dielectric coating layer 4 obtained by oxidizing the anode body surface, ⁇ Conductive inorganic material such as manganese, or TCNQ complex salt, conductive organic material such as conductive polymer such as solid electrolyte layer 5a, cathode extraction layer 5b composed of conductive carbon, silver, etc.
- the capacitor element 30 is formed by sequentially forming a solid electrolyte layer and a cathode lead layer together to form a cathode layer 5).
- the anode lead frame 1 is connected to the anode terminal 31 protruding from the anode body 3
- the cathode lead frame 2 is connected to the cathode lead layer 5b
- the capacitor element 30 has an epoxy resin and the like. Covered with grease 6.
- Each of the anode lead frame 1 and the cathode lead frame 2 has an anode side terminal surface 10 and a cathode side terminal surface 20 where the back surface force of the outer casing 6 is also exposed.
- the anode lead frame 1 is composed of a flat plate made of an alloy mainly composed of copper, but may have a portion having a different thickness depending on the design.
- the anode lead frame 1 is entirely embedded in the outer casing 6, and has a flat plate-like spaced frame portion 13 that is spaced from the anode terminal 31, and an anode terminal 31 that extends from the center of the separated frame portion 13. And a frustoconical junction frame portion 11 projecting in the height direction of the solid electrolytic capacitor, and the junction frame portion 11 has a recess 12 opened on the back surface of the exterior resin 6.
- the outer peripheral surface of the anode terminal 31 is resistance-welded to the surface of the joining frame portion 11.
- the joining frame portion 11 of the anode lead frame 1 has a shape in which the opening portion of the bottomed cylindrical container is leaned toward the back surface side of the outer casing 6 or a top hat shape. have.
- Such anode lead frame 1 can be manufactured by deep-drawing a flat plate to be the separation frame portion 13 to form the joining frame portion 11.
- a flat plate made of an alloy having copper as a main component is used, deep drawing is facilitated.
- FIGS. 5 to 8 show a solid electrolytic capacitor according to a second embodiment of the present invention.
- the solid electrolytic capacitor has a horizontal cross section perpendicular to the protruding direction of the joining frame portion 11 of the anode lead frame 1. It is characterized by an elliptical shape that is long in the direction or a track shape for athletics.
- FIGS. 9 to 11 show a solid electrolytic capacitor according to a third embodiment of the present invention.
- the solid electrolytic capacitor has a horizontal cross section perpendicular to the protruding direction of the joining frame portion 11 of the anode lead frame 1 in the horizontal direction. It is a rectangle that is long in the direction. A circular arc portion (R portion) is appropriately formed at the corner of the rectangle.
- FIGS. 13 to 16 show a solid electrolytic capacitor according to a fourth embodiment of the present invention, in which the surface of the joining frame portion 11 of the anode lead frame 1 is defined with respect to the longitudinal direction of the anode terminal 31.
- a concave portion 18 for positioning the anode terminal 31 is formed with the central portion recessed relative to both ends with respect to the orthogonal direction.
- FIGS. 17 to 20 show a solid electrolytic capacitor according to a fifth embodiment of the present invention.
- the solid electrolytic capacitor is obtained by filling the recess 16 of the joining frame portion 11 of the anode lead frame 1 with the resin 16.
- the resin 16 can be filled by providing a through hole (not shown) on the side surface of the joining frame part 11 and allowing the exterior resin to flow in.
- FIG. 25 shows a solid electrolytic capacitor according to a sixth embodiment of the present invention.
- the capacitor element 30 has a configuration similar to that of the capacitor element 30 shown in FIG. 2, and the surface of the anode body 3 made of tantalum sintered body with the anode terminal 31 protruding thereon is formed on the surface.
- a dielectric coating 4 with an oxidized anode body surface, a solid electrolyte layer 5a made of polypyrrole as a conductive polymer, and a cathode lead layer 5b made of carbon and silver are sequentially formed.
- the anode lead frame 1 is composed of a region embedded in the outer resin 6 and a region exposed from the outer resin 6, and is embedded in the outer resin 6.
- the area includes a flat plate-like separation frame portion 14 separated from the cathode terminal 31 and a center of the separation frame portion 14.
- a bottomed cylindrical joining frame portion 15 projecting from the portion toward the anode terminal 31 is formed.
- the area of the anode lead frame 1 exposed from the outer resin 6 has an L shape in which the side force of the outer resin 6 also extends along the rear surface, and the rear surface of the tip 19 is the same as the rear surface of the outer resin 6.
- the anode side terminal surface 10 is formed by spreading on one plane.
- the cathode lead frame 2 is formed from a region embedded in the outer resin 6 and a region exposed from the outer resin 6, and the region embedded in the outer resin 6 is formed in a flat plate shape. Then, the base end portion 21 is bonded to the cathode lead layer of the capacitor element 30 using the conductive adhesive 28.
- the area of the cathode lead frame 2 exposed from the outer resin 6 has an L-shape extending along the side force of the outer resin 6 and the rear surface of the tip 22 is flush with the rear surface of the outer resin 6.
- the cathode side terminal surface 20 is formed by spreading.
- each of the anode lead frame 1 and the cathode lead frame 2 is formed by a lead frame material force having a thickness of 0.1 mm, which is 42 alloy alloy force, and the anode terminal 31 is formed by a tantalum wire force.
- an anode lead is formed by using a press force grinder consisting of a punch 53 having a holding jig 52 and a die 54 as shown in FIGS. 27 (a) and 27 (b).
- the lead frame material 51 which is a material for the frame and the cathode lead frame, is deep-drawn to form the joining frame portion 15 on the lead frame material 51.
- the capacitor element 30 is placed on the lead frame material 51.
- the anode terminal 31 of the capacitor element 30 is installed on the surface of the joining frame portion 15 of the lead frame material 51.
- a conductive adhesive is applied to the joint surface of the lead frame material 51 with the capacitor element 30.
- the anode terminal 31 and the joining frame portion 15 of the lead frame material 51 are resistance-welded, and further, the conductive adhesive is heated and cured, so that the surface of the lead frame material 51 and the cathode lead layer of the capacitor element 30 are Join.
- the cross section taken along the chain line L in FIG. 26 is the cross section shown in FIG.
- the lead frame material 51 and the capacitor element 30 are accommodated in the cavity formed by the pair of molds 57 and 58, and the epoxy resin is filled in the cavity. Then, the epoxy resin is cured to form the outer resin 6. Subsequently, after cutting the lead frame material 51 to form the anode lead frame 1 and the cathode lead frame 2, the anode lead frame 1 and the cathode lead frame 2 are attached to the outer resin 6 as shown in FIG. Bend along the side and back of the to complete the solid electrolytic capacitor.
- FIG. 34 shows a conventional solid electrolytic capacitor (Japanese Patent No. 3157722).
- the anode lead frame 92 has a crank-shaped bent portion in a region embedded in the outer casing 6, and a tip portion 93 thereof is resistance-welded to the anode terminal 31.
- the cathode lead frame 82 also has a bending force portion in a region embedded in the outer resin 6.
- the capacitor element 30 may be tilted back and forth, and as a result, the conductive adhesive 28 interposed between the capacitor element 30 and the cathode lead frame 82 is removed.
- the thickness is not evenly distributed and the thickness varies. As a result, there is a problem that the bonding strength of the conductive adhesive 28 varies and the reliability is lowered.
- the joining frame portion 15 of the anode lead frame 1 is formed into a bottomed cylindrical shape as shown in FIG. 26 by the deep drawing shown in FIG. Therefore, the conventional springback will not occur.
- the joining frame portion 15 of the anode lead frame 1 and the anode terminal 31 are in contact with each other over a wide area, and the posture of the capacitor element 30 is also stabilized. As a result, high joining is achieved. Strength is obtained and reliability is improved.
- the capacitor element 30 is A large size can be formed, and this can increase the capacity.
- FIG. 29 shows a solid electrolytic capacitor according to a seventh embodiment of the present invention.
- the anode lead frame 1 as shown in the figure has a spacing frame portion 14 on both sides in the width direction perpendicular to the longitudinal direction of the anode lead frame 1 with the joining frame portion 15 interposed therebetween. Are formed on the same plane.
- the accuracy of the joining frame portion 15 is further improved as compared with the sixth embodiment, and the posture of the capacitor element 30 is maintained in parallel with the anode lead frame 1 and the cathode lead frame 2, Bond strength and reliability are improved.
- FIGS. 30 and 31 show a solid electrolytic capacitor according to an eighth embodiment of the present invention.
- a U-shaped groove-shaped recess 18 extending along the anode terminal 31 is formed on the surface of the joining frame portion 15 of the anode lead frame 1.
- the capacitor element 30 when the capacitor element 30 is placed on the lead frame material 51, the anode terminal 31 is engaged with the recess 18 in the figure. As indicated by P2, the capacitor element 30 can be installed in an accurate posture along the arrangement line of the anode lead frame portion 55 and the cathode lead frame portion 56 of the lead frame material 51. If the capacitor element 30 is displaced in an oblique posture as indicated by P1 in the figure, the thickness of the exterior resin indicated by the dotted line in the figure is partially reduced, and the covering of the capacitor element 30 becomes insufficient. This results in a decrease in moisture resistance and the like, causing a problem in reliability.
- the capacitor element 30 can be placed in an accurate position and posture, so that the thickness of the exterior resin covering the capacitor element 30 is uniform, and the moisture resistance is improved. Will improve.
- the recess 18 to be formed on the surface of the joining frame portion 15 of the anode lead frame 1 is not limited to a U-shaped groove, and as shown in FIGS. 32 (a) (b) ( C ), the anode terminal 31 As long as the position and orientation can be defined, various concave shapes can be adopted.
- the bonding region force with the capacitor element 30 is formed by the thin portion 23.
- the capacitor element 30 can be formed large, and as a result, the capacitance can be increased.
- the sintered material to form the anode body 3 is not only a valve action metal other than tantalum, but also the lead frame material is currently commercially available such as a copper alloy other than 42 alloy. Even if it is, an equivalent effect is acquired.
- the joining frame portion 15 of the anode lead frame 1 is formed by deep drawing with respect to the lead frame material 51, the thickness of the joining frame portion 15 is separated. Although it is slightly smaller than the frame part 14, the deep drawing process does not affect the size and shape of the cathode lead frame 2. As a result, the contact area between the capacitor element 30 and the cathode lead frame 2 is not reduced. ESR There will be no decline.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Thermistors And Varistors (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/090,960 US7869190B2 (en) | 2005-10-24 | 2006-10-20 | Solid electrolytic capacitor |
| CN2006800393625A CN101292311B (zh) | 2005-10-24 | 2006-10-20 | 固体电解电容器 |
| JP2007542341A JP4836959B2 (ja) | 2005-10-24 | 2006-10-20 | 固体電解コンデンサ |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-309036 | 2005-10-24 | ||
| JP2005-308824 | 2005-10-24 | ||
| JP2005308824 | 2005-10-24 | ||
| JP2005309036 | 2005-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007049509A1 true WO2007049509A1 (ja) | 2007-05-03 |
Family
ID=37967621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/320918 Ceased WO2007049509A1 (ja) | 2005-10-24 | 2006-10-20 | 固体電解コンデンサ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7869190B2 (ja) |
| JP (2) | JP4836959B2 (ja) |
| CN (1) | CN101292311B (ja) |
| TW (1) | TWI343587B (ja) |
| WO (1) | WO2007049509A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009088307A (ja) * | 2007-10-01 | 2009-04-23 | Nichicon Corp | 固体電解コンデンサ |
| JP2010034277A (ja) * | 2008-07-29 | 2010-02-12 | Rohm Co Ltd | 固体電解コンデンサ |
| JP2010050218A (ja) * | 2008-08-20 | 2010-03-04 | Nec Tokin Corp | 積層三端子型固体電解コンデンサおよびその製造方法 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200931461A (en) * | 2008-01-04 | 2009-07-16 | Apaq Technology Co Ltd | Insulation encapsulating mechanism of chip-type solid-state electrolytic capacitor |
| US8130507B2 (en) * | 2008-03-24 | 2012-03-06 | Ngk Spark Plug Co., Ltd. | Component built-in wiring board |
| JP5453174B2 (ja) * | 2010-06-01 | 2014-03-26 | Necトーキン株式会社 | 下面電極型の固体電解積層コンデンサおよびその実装体 |
| US8848343B2 (en) * | 2012-10-12 | 2014-09-30 | Kemet Electronics Corporation | Solid electrolytic capacitor and method for manufacturing the same |
| KR20150049918A (ko) * | 2013-10-31 | 2015-05-08 | 삼성전기주식회사 | 탄탈륨 캐패시터 및 그 제조 방법 |
| KR20150049920A (ko) * | 2013-10-31 | 2015-05-08 | 삼성전기주식회사 | 탄탈륨 캐패시터 및 그 제조 방법 |
| KR20150053425A (ko) * | 2013-11-08 | 2015-05-18 | 삼성전기주식회사 | 탄탈륨 캐패시터 및 그 제조 방법 |
| KR102109635B1 (ko) * | 2014-03-21 | 2020-05-12 | 삼성전기주식회사 | 탄탈륨 캐패시터 |
| KR20160013746A (ko) * | 2014-07-28 | 2016-02-05 | 삼성전기주식회사 | 탄탈륨 캐패시터 및 그 제조 방법 |
| KR102149799B1 (ko) * | 2014-09-23 | 2020-08-31 | 삼성전기주식회사 | 탄탈륨 커패시터 |
| US9947479B2 (en) | 2015-11-16 | 2018-04-17 | Vishay Sprague, Inc. | Volumetric efficiency wet electrolyte capacitor having a fill port and terminations for surface mounting |
| US11024464B2 (en) | 2018-08-28 | 2021-06-01 | Vishay Israel Ltd. | Hermetically sealed surface mount polymer capacitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1032144A (ja) * | 1996-07-12 | 1998-02-03 | Nec Corp | 固体電解コンデンサ |
| JP2002175952A (ja) * | 2000-09-26 | 2002-06-21 | Nippon Chemicon Corp | コンデンサ用リードフレーム |
| JP2002203747A (ja) * | 2000-12-28 | 2002-07-19 | Nippon Chemicon Corp | チップ型固体電解コンデンサ及びその製造方法 |
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| JPH04369820A (ja) * | 1991-06-18 | 1992-12-22 | Elna Co Ltd | 固体電解コンデンサ |
| JP3266205B2 (ja) * | 1992-02-28 | 2002-03-18 | 日立エーアイシー株式会社 | 固体電解コンデンサの製造方法 |
| US5781401A (en) * | 1995-11-21 | 1998-07-14 | Rohm Co., Ltd. | Encapsulated solid electrolytic capacitors and method of producing same |
| JP3157722B2 (ja) | 1996-08-23 | 2001-04-16 | 富山日本電気株式会社 | チップ型固体電解コンデンサ |
| JP3536722B2 (ja) * | 1998-06-18 | 2004-06-14 | 松下電器産業株式会社 | チップ形固体電解コンデンサおよびその製造方法 |
| JP2001006978A (ja) | 1999-06-18 | 2001-01-12 | Matsuo Electric Co Ltd | チップコンデンサ |
| JP3349133B2 (ja) * | 2000-04-07 | 2002-11-20 | エヌイーシートーキン株式会社 | 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 |
| JP2002110462A (ja) * | 2000-10-03 | 2002-04-12 | Sanyo Electric Co Ltd | 固体電解コンデンサ |
| JP2002151357A (ja) * | 2000-11-15 | 2002-05-24 | Hitachi Aic Inc | チップ形固体電解コンデンサ及びその製造方法 |
| DE10057488B4 (de) * | 2000-11-20 | 2006-05-24 | Epcos Ag | Kondensator |
| JP3532519B2 (ja) * | 2000-11-22 | 2004-05-31 | Necトーキン株式会社 | チップ型コンデンサの製造方法およびその製造装置 |
| JP2003068576A (ja) * | 2001-08-30 | 2003-03-07 | Rohm Co Ltd | 面実装型固体電解コンデンサの構造及びその製造方法 |
| KR100466071B1 (ko) * | 2002-05-22 | 2005-01-13 | 삼성전기주식회사 | 고체전해 콘덴서 |
| JP4010447B2 (ja) * | 2002-05-30 | 2007-11-21 | ローム株式会社 | 固体電解コンデンサ及びその製造方法 |
| JP4166112B2 (ja) * | 2003-04-09 | 2008-10-15 | 三洋電機株式会社 | 固体電解コンデンサ及び固体電解コンデンサの取り付け方法 |
| JP4318490B2 (ja) * | 2003-06-09 | 2009-08-26 | 三洋電機株式会社 | 固体電解コンデンサ |
| JP4083091B2 (ja) * | 2003-07-04 | 2008-04-30 | Necトーキン株式会社 | チップ型固体電解コンデンサ及びその製造方法並びにそれに用いるリードフレーム |
| JP4878103B2 (ja) * | 2004-01-07 | 2012-02-15 | Necトーキン株式会社 | チップ型固体電解コンデンサの製造方法 |
| JP4583132B2 (ja) * | 2004-10-08 | 2010-11-17 | 三洋電機株式会社 | 固体電解コンデンサ |
-
2006
- 2006-10-20 WO PCT/JP2006/320918 patent/WO2007049509A1/ja not_active Ceased
- 2006-10-20 JP JP2007542341A patent/JP4836959B2/ja not_active Expired - Fee Related
- 2006-10-20 US US12/090,960 patent/US7869190B2/en not_active Expired - Fee Related
- 2006-10-20 CN CN2006800393625A patent/CN101292311B/zh active Active
- 2006-10-23 TW TW095138955A patent/TWI343587B/zh not_active IP Right Cessation
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2008
- 2008-08-25 JP JP2008215766A patent/JP4837001B2/ja active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1032144A (ja) * | 1996-07-12 | 1998-02-03 | Nec Corp | 固体電解コンデンサ |
| JP2002175952A (ja) * | 2000-09-26 | 2002-06-21 | Nippon Chemicon Corp | コンデンサ用リードフレーム |
| JP2002203747A (ja) * | 2000-12-28 | 2002-07-19 | Nippon Chemicon Corp | チップ型固体電解コンデンサ及びその製造方法 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009088307A (ja) * | 2007-10-01 | 2009-04-23 | Nichicon Corp | 固体電解コンデンサ |
| JP2010034277A (ja) * | 2008-07-29 | 2010-02-12 | Rohm Co Ltd | 固体電解コンデンサ |
| JP2010050218A (ja) * | 2008-08-20 | 2010-03-04 | Nec Tokin Corp | 積層三端子型固体電解コンデンサおよびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4836959B2 (ja) | 2011-12-14 |
| TWI343587B (en) | 2011-06-11 |
| CN101292311B (zh) | 2012-08-22 |
| TW200723326A (en) | 2007-06-16 |
| US7869190B2 (en) | 2011-01-11 |
| US20090122470A1 (en) | 2009-05-14 |
| CN101292311A (zh) | 2008-10-22 |
| JPWO2007049509A1 (ja) | 2009-04-30 |
| JP4837001B2 (ja) | 2011-12-14 |
| JP2008283224A (ja) | 2008-11-20 |
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