MANUFACTURING METHOD OF ELECTROLYTIC CAPACITOR PELLET, MANUFACTURING METHOD OF ELECTROLYTIC CAPACITOR, AND MANUFACTURING DEVICE OF ELECTROLYTIC CAPACITOR PELLET

• Main Authors: YANO YUMA, GOTO KAZUHIDE, OGATA NORIHIKO, SUGIHARA KOREYASU
• Format: Patent
• Language: English; Japanese
• Published: 07.10.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY

To suppress a leakage current and a short circuit.SOLUTION: A manufacturing method of an electrolytic capacitor pellet disclosed herein includes a filling step of filling a compression space 55 with a powder 41 containing a valve metal, a first compression step of compressing the powder 41 in the first direction D1 by narrowing the compression space 55 in the first direction D1, and a second compression step of compressing the powder 41 in the second direction D2 by narrowing the compression space 55 in the second direction D2 intersecting the first direction D1 after the first compression step.SELECTED DRAWING: Figure 2 【課題】漏れ電流やショート不良を抑制する。【解決手段】開示される電解コンデンサ用ペレットの製造方法は、圧縮用空間５５に弁金属を含む粉体４１を充填する充填工程と、圧縮用空間５５を第１方向Ｄ１に狭めることで粉体４１を第１方向Ｄ１に圧縮する第１圧縮工程と、第１圧縮工程の後、圧縮用空間５５を第１方向Ｄ１と交差する第２方向Ｄ２に狭めることで粉体４１を第２方向Ｄ２に圧縮する第２圧縮工程と、を備える。【選択図】図２