GB825900A - Improvements in or relating to a method of interconnecting an aluminium terminal member to an aluminium capacitor foil member - Google Patents

Improvements in or relating to a method of interconnecting an aluminium terminal member to an aluminium capacitor foil member

Info

Publication number
GB825900A
GB825900A GB3082657A GB3082657A GB825900A GB 825900 A GB825900 A GB 825900A GB 3082657 A GB3082657 A GB 3082657A GB 3082657 A GB3082657 A GB 3082657A GB 825900 A GB825900 A GB 825900A
Authority
GB
United Kingdom
Prior art keywords
aluminium
foil
pressure
terminal
member
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.)
Expired
Application number
GB3082657A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to US825900XA priority Critical
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB825900A publication Critical patent/GB825900A/en
Application status is Expired legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/002Details
    • H01G4/228Terminals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/233Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer

Abstract

825,900. Making electric condensers; welding by pressure. GENERAL MOTORS CORPORATION. Oct. 2, 1957 [Oct. 15, 1956], No. 30826/57. Classes 83 (2) and 83 (4). [Also in Group XXXVI] In joining an aluminium terminal member to an aluminium capacitor foil member having a thickness less than 0.001 inch a brittle good dielectric oxide layer is formed over the natural oxide layer on at least one of the members, the members are juxtaposed with the brittle layer between them and the members are subjected to pressure to disrupt the layers and effect a cold pressure weld. The foil preferably has a thickness between 0.0008 and 0.00017 inch. An aluminium terminal 22 having natural oxide layers 32, 34 and having an electrolytically deposited film 24 of high density brittle aluminium oxide is cold pressure welded to a capacitor foil 20 having natural oxide layers 30, 31 by pressing against the foil a tool 40 with square projections 44 thereon so that each projection exerts a pressure of about 50 pounds per square inch, a flat tool 42 being held against the terminal. The oxide films are disrupted from local areas and these areas are welded together, pockets between the areas being filled with particles of the oxide layers. The electrolytically deposited oxide layer may be formed on the foil only or on both foil and terminal and may be formed by anodic oxidation using sodium borate and boric or phosphoric acid, potassium borate and phosphoric acid or ammonium borate and boric or phosphoric acid as the electrolyte.
GB3082657A 1956-10-15 1957-10-02 Improvements in or relating to a method of interconnecting an aluminium terminal member to an aluminium capacitor foil member Expired GB825900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US825900XA true 1956-10-15 1956-10-15

Publications (1)

Publication Number Publication Date
GB825900A true GB825900A (en) 1959-12-23

Family

ID=22172131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3082657A Expired GB825900A (en) 1956-10-15 1957-10-02 Improvements in or relating to a method of interconnecting an aluminium terminal member to an aluminium capacitor foil member

Country Status (1)

Country Link
GB (1) GB825900A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420429A (en) * 1964-05-11 1969-01-07 Reynolds Metals Co Apparatus for making strip conductor coils and the like with terminal leads attached thereto
EP0022968A1 (en) * 1979-07-19 1981-01-28 Mektron N.V. High capacitance multilayer bus bar and method of manufacture thereof
US7107099B1 (en) 2000-11-03 2006-09-12 Cardiac Pacemakers, Inc. Capacitor having a feedthrough assembly with a coupling member
US7120008B2 (en) 2004-07-16 2006-10-10 Cardiac Pacemakers, Inc. Method and apparatus for capacitor interconnection using a metal spray
US7180727B2 (en) 2004-07-16 2007-02-20 Cardiac Pacemakers, Inc. Capacitor with single sided partial etch and stake
US7327552B2 (en) 2005-05-09 2008-02-05 Cardiac Pacemakers, Inc. Method and apparatus for electrically connecting capacitor electrodes using a spray
US7347880B2 (en) * 2000-11-03 2008-03-25 Cardiac Pacemakers, Inc. Flat capacitor having staked foils and edge-connected connection members
US7564677B2 (en) 2005-04-22 2009-07-21 Cardiac Pacemakers, Inc. Method and apparatus for a spacer for an electrode layer gap in a power source
US8133286B2 (en) 2004-07-16 2012-03-13 Cardiac Pacemakers, Inc. Method and apparatus for high voltage aluminum capacitor design
US8451587B2 (en) 2000-11-03 2013-05-28 Cardiac Pacemakers, Inc. Method for interconnecting anodes and cathodes in a flat capacitor
US8619408B2 (en) 2009-12-18 2013-12-31 Cardiac Pacemakers, Inc. Sintered capacitor electrode including a folded connection
US8744575B2 (en) 2000-11-03 2014-06-03 Cardiac Pacemakers, Inc. Flat capacitor for an implantable medical device
US8761875B2 (en) 2006-08-03 2014-06-24 Cardiac Pacemakers, Inc. Method and apparatus for selectable energy storage partitioned capacitor

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420429A (en) * 1964-05-11 1969-01-07 Reynolds Metals Co Apparatus for making strip conductor coils and the like with terminal leads attached thereto
EP0022968A1 (en) * 1979-07-19 1981-01-28 Mektron N.V. High capacitance multilayer bus bar and method of manufacture thereof
US7107099B1 (en) 2000-11-03 2006-09-12 Cardiac Pacemakers, Inc. Capacitor having a feedthrough assembly with a coupling member
US9443660B2 (en) 2000-11-03 2016-09-13 Cardiac Pacemakers, Inc. Flat capacitor for an implantable medical device
US8744575B2 (en) 2000-11-03 2014-06-03 Cardiac Pacemakers, Inc. Flat capacitor for an implantable medical device
US8543201B2 (en) 2000-11-03 2013-09-24 Cardiac Pacemakers, Inc. Flat capacitor having staked foils and edge-connected connection members
US7347880B2 (en) * 2000-11-03 2008-03-25 Cardiac Pacemakers, Inc. Flat capacitor having staked foils and edge-connected connection members
US8451587B2 (en) 2000-11-03 2013-05-28 Cardiac Pacemakers, Inc. Method for interconnecting anodes and cathodes in a flat capacitor
US10032565B2 (en) 2000-11-03 2018-07-24 Cardiac Pacemakers, Inc. Flat capacitor for an implantable medical device
US7846217B2 (en) 2004-07-16 2010-12-07 Cardiac Pacemakers, Inc. Method for a partially etched capacitor layer including a connection member
US7180727B2 (en) 2004-07-16 2007-02-20 Cardiac Pacemakers, Inc. Capacitor with single sided partial etch and stake
US8133286B2 (en) 2004-07-16 2012-03-13 Cardiac Pacemakers, Inc. Method and apparatus for high voltage aluminum capacitor design
US7532456B2 (en) 2004-07-16 2009-05-12 Cardiac Pacemakers, Inc. Method and apparatus for a partially etched capacitor layer including a connection member
US8465555B2 (en) 2004-07-16 2013-06-18 Cardiac Pacemakers, Inc. Method and apparatus for high voltage aluminum capacitor design
US7120008B2 (en) 2004-07-16 2006-10-10 Cardiac Pacemakers, Inc. Method and apparatus for capacitor interconnection using a metal spray
US7564677B2 (en) 2005-04-22 2009-07-21 Cardiac Pacemakers, Inc. Method and apparatus for a spacer for an electrode layer gap in a power source
US7872857B2 (en) 2005-04-22 2011-01-18 Cardiac Pacemakers, Inc. Spacer for an electrode layer gap in a power source
US7327552B2 (en) 2005-05-09 2008-02-05 Cardiac Pacemakers, Inc. Method and apparatus for electrically connecting capacitor electrodes using a spray
US8761875B2 (en) 2006-08-03 2014-06-24 Cardiac Pacemakers, Inc. Method and apparatus for selectable energy storage partitioned capacitor
US8619408B2 (en) 2009-12-18 2013-12-31 Cardiac Pacemakers, Inc. Sintered capacitor electrode including a folded connection

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