公开(公告)号：EP0190389A3

公开(公告)日：1987-07-01

申请号：EP85107534

申请日：1985-06-18

申请人： FANSTEEL INC.

发明人： Schiele, Edward Karl ,  Manley, Robert Vernon, Jr. ,  Rerat, Carlos Felipe

IPC分类号： H01G09/05

CPC分类号： H01G9/0525 ,  C22C1/045

摘要： Tantalum powders for electrolytic capacitors having improved electrical capacity and low direct current leakage characteristics are produced by the introduction of combinations of carbon, nitrogen and sulfur-containing materials.

公开(公告)号：EP0080899A3

公开(公告)日：1985-01-09

申请号：EP82306371

申请日：1982-11-30

申请人： International Standard Electric Corporation

发明人： Franklin, Robert William ,  Briscoe, Peter Flexney

IPC分类号： H01G09/05

CPC分类号： H01G9/0029 ,  Y10T29/417

摘要： Solid electrolytic capacitors are made in a batch process by etching a tantalum foil to form a number of rows of teeth, screen-printing tantalum powder ink onto the teeth, processing the sheet through sintering, anodising and manganes- ing stages, sequentially encapsulating opposite edges of the rows of teeth in conductive epoxy and the "gap" with Insulating epoxy and separating the individual capacitors from the rows.

摘要翻译： 通过蚀刻钽箔以形成多排齿，将丝网印刷钽粉末油墨印刷到牙齿上，通过烧结，阳极氧化和锰化阶段处理该片材，依次封装相对边缘的固体电解电容器 导电环氧树脂中的一排齿，和带有绝缘环氧树脂的“间隙”，并将各个电容器与行分开。

公开(公告)号：EP0075324A3

公开(公告)日：1985-08-21

申请号：EP82108726

申请日：1982-09-21

申请人： E.I. DU PONT DE NEMOURS AND COMPANY

发明人： Hicks, William Thomas ,  Seidel, William Carl

IPC分类号： H01G09/05 ,  H01B01/22 ,  H01B01/16

CPC分类号： H01G9/0425

摘要： Cathodic coating for tantalum capacitors containing (a) a mixture of finely divided copper and tin or tin alloy particles dispersed in a solution of (b) organic acid flux, and (c) organic amine in (d) inert organic medium.

公开(公告)号：EP0039221A3

公开(公告)日：1984-03-28

申请号：EP81301821

申请日：1981-04-24

申请人： SPRAGUE ELECTRIC COMPANY

发明人： Webber, Dean Allen ,  Bosse, Peter Sebastian

IPC分类号： H01G09/05

CPC分类号： H01G9/012 ,  Y10T29/417

摘要： The anode riser of a solid tantalum capacitor is cleaned by means of a laser beam which removes all coatings from the riser in the area of the weld between the riser and an external lead so as to leave no conducting path from the riser to the cathode.

公开(公告)号：EP0213631A3

公开(公告)日：1988-04-20

申请号：EP86112127

申请日：1986-09-02

申请人： SHOWA DENKO KABUSHIKI KAISHA

发明人： Naitoh, Kazumi ,  Ikezaki, Takashi ,  Shimodaira, Saburo

IPC分类号： H01G09/05

CPC分类号： H01G9/0036 ,  Y10T29/435

摘要： Disclosed is a solid electrolytic capacitor made of a structural body comprising a metal having a valve action, an oxide film formed on the surface of the metal, a semiconductor layer composed of a mixture of lead oxide and lead sulfate, which is formed on the oxide film and, formed on the semiconductor layer, (a) a carbon layer, (b) a metal layer or (c) a carbon layer and a metal layer formed thereon. The semiconductor layer is formed by chemically depositing a mixture of lead dioxide and lead sulfate on the oxide film from a reaction mother liquid containing lead ions and persulfate ions.

公开(公告)号：EP0038149A3

公开(公告)日：1984-07-04

申请号：EP81301450

申请日：1981-04-02

申请人： NEC CORPORATION

发明人： Shimizu, Shigeaki ,  Kubo, Yoshimi ,  Suzuki, Tetsuo ,  Kizaki, Takashi ,  Igarashi, Hitoshi

IPC分类号： H01G09/05

CPC分类号： H01G9/052 ,  H01G4/085

摘要： A process for producing a porous body for use as an electrode for a solid electrolytic capacitor. In the process, titanium powder having an average particle size from 10 to 30 µm is mixed with aluminium powder having an average particle size from 1/6 to 1/2 of that of the titanium. The mixture is then compression molded and heat treated in a vacuum or inert gas to diffuse the aluminium into the titanium. In the product the surface of the titanium-aluminium particles has a fine ruggedness of size from 0.5 to 5 µm. The aluminium content of the titanium-aluminium alloy is from 50 to 70 atomic %.

公开(公告)号：EP0115437A3

公开(公告)日：1985-05-29

申请号：EP84300508

申请日：1984-01-27

申请人： UNION CARBIDE CORPORATION

发明人： Long, Noel Veeder ,  Mierke, Charles Harold

IPC分类号： H01G09/05 ,  B22F07/06

CPC分类号： H01G9/052 ,  B22F3/1109 ,  Y10T29/417

摘要： Tantalum anode bodies having regions of different density with a lead attached to the region of higher density.

公开(公告)号：EP0098149A3

公开(公告)日：1984-12-27

申请号：EP83303721

申请日：1983-06-28

申请人： NEC CORPORATION

发明人： Shimizu, Shigeaki ,  Suzuki, Tetsuo ,  Kubo, Yoshimi ,  Igarashi, Hitoshi ,  Arai, Yoshio

IPC分类号： H01G09/05

CPC分类号： H01G9/045 ,  H01G9/052 ,  Y10T29/417

摘要： A porous sintered body for an Al-Ti alloy solid electrolytic capacitor comprises a porous body of Al-Ti alloy and a titanium lead wire partly embedded in the porous body. The titanium lead wire is subjected during manufacture to a nitriding treatment and is sintered together with the Al-Ti body so that the surface of the lead wire is converted into an Al-Ti alloy. In one method of producing the porous sintered body, a titanium wire is heat-treated in a nitrogen atmosphere, the wire is then embedded in a mixture of aluminium powder and titanium powder or titanium hydride powder, the mixture is press-moulded with the wire and the press-moulded article is sintered. A solid electrolytic capacitor and a method for manufacturing such a capacitor employing the porous sintered body are disclosed. The invention provides a porous sintered body with an embedded lead wire in which the lead wire is inexpensive and has good electrical characteristics and which avoids the problem of bending deformation of the wire after sintering.