WO2023062961A1 - 固体電解コンデンサ - Google Patents
固体電解コンデンサ Download PDFInfo
- Publication number
- WO2023062961A1 WO2023062961A1 PCT/JP2022/033014 JP2022033014W WO2023062961A1 WO 2023062961 A1 WO2023062961 A1 WO 2023062961A1 JP 2022033014 W JP2022033014 W JP 2022033014W WO 2023062961 A1 WO2023062961 A1 WO 2023062961A1
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- WO
- WIPO (PCT)
- Prior art keywords
- anode
- solid electrolytic
- joint
- electrolytic capacitor
- cathode
- Prior art date
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- 239000003990 capacitor Substances 0.000 title claims abstract description 81
- 239000007787 solid Substances 0.000 title claims abstract description 45
- 238000005304 joining Methods 0.000 claims abstract description 9
- 230000004048 modification Effects 0.000 description 19
- 238000012986 modification Methods 0.000 description 19
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 239000002253 acid Substances 0.000 description 9
- -1 polyphenylene Polymers 0.000 description 9
- 239000007784 solid electrolyte Substances 0.000 description 7
- 229920001940 conductive polymer Polymers 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- 229920000447 polyanionic polymer Polymers 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920000123 polythiophene Polymers 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 229920000128 polypyrrole Polymers 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 1
- 229920003026 Acene Polymers 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229940044654 phenolsulfonic acid Drugs 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000414 polyfuran Polymers 0.000 description 1
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Images
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
- 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
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
-
- 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
- H01G9/15—Solid electrolytic capacitors
Definitions
- solid electrolytic capacitors each having an anode portion and a cathode portion and including a plurality of stacked capacitor elements are known (for example, Patent Document 1).
- the stacked anode portions are welded together by laser irradiation.
- one object of the present disclosure is to improve the bonding quality of the anode portion.
- the solid electrolytic capacitor includes a plurality of capacitor elements each having an anode portion and a cathode portion, which are stacked along a first direction, and two capacitor elements that join and electrically connect the stacked anode portions. and a joint portion extending along the first direction, and a dimension L1 [mm] of the anode portion in a third direction perpendicular to the first direction and a second direction from the anode portion to the cathode portion.
- L1-L2 is 3.8 mm or less
- the capacitor element has a predetermined value perpendicular to the second direction In the cross section, let a [mm] be the maximum diameter of the joint in the third direction, and b [mm] be the shortest distance between the end of the anode part and the joint in the third direction, b ⁇ a/2 holds.
- FIG. 1 is a perspective view schematically showing a solid electrolytic capacitor according to Embodiment 1;
- FIG. 1A is a plan view of the capacitor element of Embodiment 1
- FIG. 1B is a cross-sectional view taken along line AA passing through the center of the joint.
- FIG. It is a graph which shows the relationship between the shortest distance b and the number of spatters when the maximum diameter a is 0.3 mm.
- FIG. 2B is a view corresponding to Modifications 1 to 3 of Embodiment 1;
- FIG. 11 is a perspective view showing a plurality of stacked capacitor elements corresponding to Modifications 4 to 7 of Embodiment 1;
- FIG. 10A is a plan view of the capacitor element of Embodiment 2, and FIG.
- a solid electrolytic capacitor according to the present disclosure includes a plurality of capacitor elements and two or more junctions.
- Each of the plurality of capacitor elements has an anode portion and a cathode portion.
- the plurality of capacitor elements are stacked together along the first direction.
- An insulating portion may be provided between the anode portion and the cathode portion to electrically insulate them.
- the insulating portion may be made of, for example, insulating tape or insulating resin.
- the anode portion may be configured to include a portion of the anode body made of the valve metal of the capacitor element (a portion on one side with respect to the insulating portion).
- the cathode portion may be composed of a solid electrolyte layer and a cathode layer which are sequentially formed on the surface of the cathode forming portion, which is the remainder of the anode body (part on the other side with respect to the insulating portion).
- a dielectric layer is provided between the anode body and the solid electrolyte layer.
- the dielectric layer is formed at least on the surface of the cathode formation portion, which is the remainder of the anode body.
- the dielectric layer may be composed of an oxide (for example, aluminum oxide) formed on the surface of the anode body by a vapor phase method such as anodization or vapor deposition.
- the solid electrolyte layer is formed on the surface of the dielectric layer.
- the solid electrolyte layer may contain a conductive polymer.
- the solid electrolyte layer may further contain a dopant as needed.
- conductive polymer a known one used in solid electrolytic capacitors, such as a ⁇ -conjugated conductive polymer, can be used.
- conductive polymers include polymers having polypyrrole, polythiophene, polyaniline, polyfuran, polyacetylene, polyphenylene, polyphenylenevinylene, polyacene, and polythiophenevinylene as a basic skeleton.
- polymers having a basic skeleton of polypyrrole, polythiophene, or polyaniline are preferred.
- the above polymers also include homopolymers, copolymers of two or more monomers, and derivatives thereof (substituents having substituents, etc.).
- polythiophenes include poly(3,4-ethylenedioxythiophene) and the like. Conductive polymers may be used singly or in combination of two or more.
- the solid electrolyte layer may further contain known additives and known conductive materials other than conductive polymers.
- a conductive material include at least one selected from the group consisting of conductive inorganic materials such as manganese dioxide and TCNQ complex salts.
- the cathode layer may be composed of a carbon layer formed on the surface of the solid electrolyte layer and a conductor layer formed on the surface of the carbon layer.
- the conductor layer may be composed of silver paste.
- the silver paste for example, a composition containing silver particles and a resin component (binder resin) can be used.
- a resin component a thermoplastic resin can be used, but it is preferable to use a thermosetting resin such as an imide resin or an epoxy resin.
- the two or more joints join and electrically connect the stacked anode parts.
- Each joint extends along the first direction.
- Each joint may be formed, for example, by laser welding.
- the laser In the laminated anode section, the laser may be irradiated from the first surface side arranged on one of the outermost surfaces in the first direction, and the laser may be irradiated from the second surface side arranged on the other outermost surface in the first direction. may be irradiated.
- the laser irradiation direction may be the same or different.
- Two or more joints may be formed, for example, by the following method. First, a plurality of capacitor elements are stacked along the first direction. Subsequently, the plurality of anode parts are crimped and temporarily fixed. After that, by irradiating the temporarily fixed portion with a laser, two or more joints for electrically and mechanically connecting the stacked anode portions are formed.
- a method for temporarily fixing a plurality of anode parts for example, a method using cold pressure bonding or a method using a needle for forming a through hole can be considered.
- the second direction is the direction from the anode part to the cathode part
- the third direction is the direction orthogonal to the second direction and the first direction.
- the difference between the dimension L1 [mm] of the anode portion in the third direction and the total dimension L2 [mm] of the maximum diameter of the joint portion in the third direction: L1 ⁇ L2 is 3.8 mm or less.
- the dimensional difference: L1-L2 is very small, in other words, the capacitor element is very small. Therefore, if each joint is formed without taking any measures, spatter is formed at the end of the anode. There is a risk that the bonding quality of the anode part will be impaired due to
- the predetermined cross section may be, for example, a cross section in which the diameter of the joint closest to the end of the anode part is the largest, or a cross section passing through the center of the joint.
- the dimension L1 of the anode part in the third direction may be 4.3 mm or less. Even when using a capacitor element having such a small anode portion, according to the present disclosure, the bonding quality of the anode portion can be improved.
- Each of the plurality of capacitor elements 11 has an anode portion 11a and a cathode portion 11b.
- the plurality of capacitor elements 11 are laminated along the first direction D1 (vertical direction in FIG. 1).
- An insulating portion 11c for electrically insulating the anode portion 11a and the cathode portion 11b is provided between the anode portion 11a and the cathode portion 11b.
- the stacked anode portions 11a are arranged on the outermost first surface S1 in one direction in the first direction (upper in FIG. 1) and the outermost in the other direction in the first direction (downward in FIG. 1). and a second surface S2.
- the anode lead terminal 12 is electrically connected to the anode portion 11 a of the capacitor element 11 .
- the anode lead terminal 12 has two arm portions 13 facing the anode portion 11a and a bridge portion 14 connecting the two arm portions 13 (see FIG. 2(b)).
- One main surface of the bridge portion 14 (lower surface in FIG. 2B) is exposed to the outside of the solid electrolytic capacitor 10 and functions as an anode terminal.
- Anode lead terminal 12 may be made of, for example, copper or a copper alloy.
- illustration of the bridge part 14 is abbreviate
- the arm portion 13 of the anode lead terminal 12 has a through hole 13a in a portion facing the first surface S1 of the anode portion 11a (see FIG. 2(b)).
- the through hole 13a is a circular hole penetrating through the arm portion 13 in the thickness direction.
- the through-holes 13 a are arranged at positions overlapping with the joints 16 .
- the shape of the through-hole 13a is not limited to a circular shape, and may be any other shape.
- the dimension L1 of the anode portion 11a in the third direction D3 is 4.3 mm or less.
- the dimension L1 may be, for example, 2.5 mm or more and 4.3 mm or less.
- the maximum diameter in the third direction D3 of the joint portion 16 closest to the end of the anode portion 11a in the third direction D3 is 0.5 mm or less.
- the maximum diameter may be, for example, 0.2 mm or more and 0.5 mm or less.
- the exterior resin 17 covers the plurality of capacitor elements 11 in a state in which a part of each of the anode lead terminal 12 and the cathode lead terminal is exposed to the outside.
- the exterior resin 17 may be made of an insulating resin material.
- the exposed portions of anode lead terminal 12 and cathode lead terminal constitute external terminals of solid electrolytic capacitor 10 .
- Bridge portion 14 of anode lead terminal 12 has a portion that widens as it separates from the plurality of laminated capacitor elements 11 .
- a solid electrolytic capacitor 10 of this modification differs from that of the first embodiment in that a spacer 18 is provided. Differences from the first embodiment will be mainly described below.
- the double-sided laminated structure refers to a structure in which the capacitor element 11 is laminated on both one main surface side and the other main surface side of the anode lead terminal 12 .
- three capacitor elements 11 are stacked on one (upper in the figure) main surface side of the anode lead terminal 12, and the other main surface side of the anode lead terminal 12 is stacked. Also, three capacitor elements 11 are laminated.
- the solid electrolytic capacitor 10 has three joints 16 .
- the three joints 16 are two first joints 16A having a first area on the first surface S1 and one second joint 16B having a second area smaller than the first area on the first surface S1. including.
- the second joint 16B is arranged between the two first joints 16A.
- the first joint 16A may be formed by laser welding that irradiates a laser from the first surface S1 side
- the second joint 16B is formed by laser welding that irradiates a laser from the second surface S2 side.
- the present disclosure can be used for solid electrolytic capacitors.
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- Power Engineering (AREA)
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Abstract
Description
本開示の実施形態1について説明する。本実施形態の固体電解コンデンサ10は、図1および図2に示すように、複数(この例では、5つ)のコンデンサ素子11と、陽極リード端子12と、陰極リード端子(図示せず)と、2つの接合部16と、外装樹脂17とを備える。陰極リード端子は、後述の陰極部11bに電気的に接続される。
本開示の実施形態1の変形例1について説明する。本変形例の固体電解コンデンサ10は、陽極リード端子12の構成が上記実施形態1と異なる。以下、上記実施形態1と異なる点について主に説明する。
本開示の実施形態1の変形例2について説明する。本変形例の固体電解コンデンサ10は、陽極リード端子12の構成が上記実施形態1と異なる。以下、上記実施形態1と異なる点について主に説明する。
本開示の実施形態1の変形例3について説明する。本変形例の固体電解コンデンサ10は、陽極リード端子12の構成が上記実施形態1と異なる。以下、上記実施形態1と異なる点について主に説明する。
本開示の実施形態1の変形例4について説明する。本変形例の固体電解コンデンサ10は、スペーサ18を備える点で上記実施形態1と異なる。以下、上記実施形態1と異なる点について主に説明する。
本開示の実施形態1の変形例5について説明する。本変形例の固体電解コンデンサ10は、陽極リード端子12の構成が上記実施形態1と異なる。以下、上記実施形態1と異なる点について主に説明する。
本開示の実施形態1の変形例6について説明する。本変形例の固体電解コンデンサ10は、陽極リード端子12の構成が上記実施形態1と異なる。以下、上記実施形態1と異なる点について主に説明する。
本開示の実施形態1の変形例7について説明する。本変形例の固体電解コンデンサ10は、いわゆる両面積層構造を有する点で上記実施形態1と異なる。以下、上記実施形態1と異なる点について主に説明する。
本開示の実施形態2について説明する。本実施形態の固体電解コンデンサ10は、3つの接合部16を備える点で上記実施形態1と異なる。以下、上記実施形態1と異なる点について主に説明する。
11:コンデンサ素子
11a:陽極部
11b:陰極部
11c:絶縁部
12:陽極リード端子
13:アーム部
13a:貫通孔
14:ブリッジ部
15:側壁部
16:接合部
16A:第1接合部
16B:第2接合部
17:外装樹脂
18:スペーサ
a:接合部の最大径
b:陽極部の端部と接合部との間の最短距離
D1:第1方向
D2:第2方向
D3:第3方向
L1:陽極部の寸法
L2:接合部の最大径の合計寸法
S1:第1表面
S2:第2表面
Claims (6)
- それぞれが陽極部および陰極部を有し、互いに第1方向に沿って積層された複数のコンデンサ素子と、
積層された前記陽極部を接合すると共に電気的に接続する2つ以上の前記第1方向に沿って延びる接合部と、
を備え、
前記陽極部から前記陰極部に向かう第2方向と前記第1方向とに直交する第3方向における前記陽極部の寸法L1[mm]と、前記接合部の前記第3方向における最大径の合計寸法L2[mm]との差:L1-L2が、3.8mm以下であり、
前記コンデンサ素子の前記第2方向に垂直な所定の断面において、前記第3方向における前記接合部の最大径をa[mm]とし、かつ前記第3方向における前記陽極部の端部と前記接合部との間の最短距離をb[mm]として、b≧a/2が成り立つ、固体電解コンデンサ。 - 前記第3方向における前記陽極部の寸法L1が、4.3mm以下である、請求項1に記載の固体電解コンデンサ。
- 前記陽極部の前記端部に最も近い前記接合部の前記第3方向における最大径は、0.5mm以下である、請求項1または2に記載の固体電解コンデンサ。
- 前記第2方向において、前記接合部の中心は、前記陽極部の中央よりも前記陰極部寄りに位置する、請求項1~3のいずれか1項に記載の固体電解コンデンサ。
- 前記接合部を2つ備える、請求項1~4のいずれか1項に記載の固体電解コンデンサ。
- 前記接合部を3つ以上備え、
積層された前記陽極部は、前記第1方向の一方および他方の最外に配置される第1表面および第2表面を有し、
前記3つ以上の接合部は、前記第1表面において第1面積を有する第1接合部と、前記第1表面において前記第1面積よりも小さい第2面積を有する第2接合部とを含む、請求項1~4のいずれか1項に記載の固体電解コンデンサ。
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CN202280067946.2A CN118176555A (zh) | 2021-10-14 | 2022-09-01 | 固体电解电容器 |
JP2023554981A JPWO2023062961A1 (ja) | 2021-10-14 | 2022-09-01 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000138138A (ja) * | 1998-08-26 | 2000-05-16 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサおよびその製造方法 |
JP2005051051A (ja) * | 2003-07-29 | 2005-02-24 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ及びその製造方法 |
JP2008235412A (ja) * | 2007-03-19 | 2008-10-02 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ |
JP2009094474A (ja) * | 2007-09-19 | 2009-04-30 | Panasonic Corp | チップ形固体電解コンデンサ |
JP2010153437A (ja) * | 2008-12-24 | 2010-07-08 | Sanyo Electric Co Ltd | 固体電解コンデンサ |
JP2014110304A (ja) * | 2012-11-30 | 2014-06-12 | Nichicon Corp | 固体電解コンデンサおよびその製造方法 |
WO2017163570A1 (ja) * | 2016-03-25 | 2017-09-28 | パナソニックIpマネジメント株式会社 | 電解コンデンサ |
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2022
- 2022-09-01 WO PCT/JP2022/033014 patent/WO2023062961A1/ja active Application Filing
- 2022-09-01 JP JP2023554981A patent/JPWO2023062961A1/ja active Pending
- 2022-09-01 CN CN202280067946.2A patent/CN118176555A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000138138A (ja) * | 1998-08-26 | 2000-05-16 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサおよびその製造方法 |
JP2005051051A (ja) * | 2003-07-29 | 2005-02-24 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ及びその製造方法 |
JP2008235412A (ja) * | 2007-03-19 | 2008-10-02 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサ |
JP2009094474A (ja) * | 2007-09-19 | 2009-04-30 | Panasonic Corp | チップ形固体電解コンデンサ |
JP2010153437A (ja) * | 2008-12-24 | 2010-07-08 | Sanyo Electric Co Ltd | 固体電解コンデンサ |
JP2014110304A (ja) * | 2012-11-30 | 2014-06-12 | Nichicon Corp | 固体電解コンデンサおよびその製造方法 |
WO2017163570A1 (ja) * | 2016-03-25 | 2017-09-28 | パナソニックIpマネジメント株式会社 | 電解コンデンサ |
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JPWO2023062961A1 (ja) | 2023-04-20 |
CN118176555A (zh) | 2024-06-11 |
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