GB1242080A - Improvements relating to electrical components - Google Patents

Improvements relating to electrical components

Info

Publication number
GB1242080A
GB1242080A GB60557/68A GB6055768A GB1242080A GB 1242080 A GB1242080 A GB 1242080A GB 60557/68 A GB60557/68 A GB 60557/68A GB 6055768 A GB6055768 A GB 6055768A GB 1242080 A GB1242080 A GB 1242080A
Authority
GB
United Kingdom
Prior art keywords
encapsulation
plates
support
transformers
windings
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
GB60557/68A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1242080A publication Critical patent/GB1242080A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/10—Agitating of electrolytes; Moving of racks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/007—Electroplating using magnetic fields, e.g. magnets
    • C25D5/009—Deposition of ferromagnetic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • H01F17/0033—Printed inductances with the coil helically wound around a magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10—Electrodes, e.g. composition, counter electrode
    • C25D17/12—Shape or form
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

1,242,080. Transformers; inductors. INTERNATIONAL BUSINESS MACHINES CORP. 20 Dec., 1968 [15 Jan., 1968], No. 60557/68. Heading H1T. A transformer or inductor comprises a ferromagnetic ferrite core 100 surrounded by encapsulation 120 grooves 120a in the encapsulation being so formed that tin-silver alloy cast therein will form at least one helical winding around the core. The encapsulation is preferably thermosetting resin, e.g. epoxy resin, and is formed by moulding, the configuration of the mould being chosen according to the desired product, e.g. a quad filar transformer (Figs. 11, 12, not shown). Encapsulated cores may be mounted each on one of a strip of interconnected plastics carrier plates (Figs. 5, 6, not shown)), with perforations for indexing the plates through the casting die. Terminals or connections thereto, and support tabs may be die-cast at the same time as the windings and the support plates may be provided with holes for anchoring these. The support plate and encapsulation may be integrally formed in one moulding operation (Figs. 9A, 9B, not shown) holes being provided in the plate for continuity of the windings. Four transformers may have their support plates interconnected to form a quad module (Fig. 15, not shown) which may itself be encapsulated.
GB60557/68A 1967-12-26 1968-12-20 Improvements relating to electrical components Expired GB1242080A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69337567A 1967-12-26 1967-12-26
US69803168A 1968-01-15 1968-01-15
US2570870A 1970-04-06 1970-04-06

Publications (1)

Publication Number Publication Date
GB1242080A true GB1242080A (en) 1971-08-11

Family

ID=27362610

Family Applications (2)

Application Number Title Priority Date Filing Date
GB53255/68A Expired GB1189074A (en) 1967-12-26 1968-11-11 Apparatus for Electroplating Metal or Alloy Films
GB60557/68A Expired GB1242080A (en) 1967-12-26 1968-12-20 Improvements relating to electrical components

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB53255/68A Expired GB1189074A (en) 1967-12-26 1968-11-11 Apparatus for Electroplating Metal or Alloy Films

Country Status (5)

Country Link
US (2) US3477051A (en)
CH (1) CH488263A (en)
FR (2) FR1593898A (en)
GB (2) GB1189074A (en)
NL (1) NL6900382A (en)

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Also Published As

Publication number Publication date
NL6900382A (en) 1969-07-17
GB1189074A (en) 1970-04-22
DE1900392B2 (en) 1972-07-06
US3652442A (en) 1972-03-28
FR1593893A (en) 1970-06-01
FR1593898A (en) 1970-06-01
US3477051A (en) 1969-11-04
DE1900392A1 (en) 1969-07-31
CH488263A (en) 1970-03-31

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