GB987601A - Printed circuit structure and method of making same - Google Patents

Printed circuit structure and method of making same

Info

Publication number
GB987601A
GB987601A GB38878/62A GB3887862A GB987601A GB 987601 A GB987601 A GB 987601A GB 38878/62 A GB38878/62 A GB 38878/62A GB 3887862 A GB3887862 A GB 3887862A GB 987601 A GB987601 A GB 987601A
Authority
GB
United Kingdom
Prior art keywords
terminals
apertures
coated
printed circuit
alloys
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
GB38878/62A
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.)
Kollmorgen Corp
Original Assignee
Photocircuits 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 Photocircuits Corp filed Critical Photocircuits Corp
Publication of GB987601A publication Critical patent/GB987601A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes

Landscapes

  • Manufacturing Of Printed Wiring (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)

Abstract

987,601. Producing printed circuits; welding. PHOTOCIRCUITS CORPORATION. Oct. 15, 1962 [Oct. 18, 1961], No. 38878/62. Headings B3A and B3R. [Also in Divisions H1 and H2] A method of making a printed circuit structure comprises forming on an insulating member 10 conductive members 11 and conductively coated apertures 12 integral with the members 11 and adapted to receive conductive terminals 13, coating at least one of the correlated terminals and apertures with at least one member from the group of indium or its alloys, gallium or its alloys, and tin, inserting the terminals in the apertures and exposing the structure at a temperature sufficient to form a diffusion bond between the terminals and the coatings of the apertures. The conductive members 11 are formed, for example, from Cu, Be-Cu, Zn, A1, Sn, or brass strips or from Sn, Bi, Cd, Ag, Pb, Mg, Mn, Mo, Pa or Pt, and are photo-printed, plated or etched on to the insulating member 10 of, for example, phenolic or epoxyl-glass board. The terminals may be of any of the materials mentioned above or of a Ni-Fe alloy. The conductors 11 may be coated similarly to the terminals and apertures. Preferably the terminals are indium coated and heated to 500‹ F. to form a diffusion bond with the copper of the terminals. The terminals are of greater diameter than the apertures and are slit at 13b so that they press against the aperture walls. Various shapes of terminals are possible, the upper flange being part conical, flat, or annular as at 16, and an extension 15 may be provided.
GB38878/62A 1961-10-18 1962-10-15 Printed circuit structure and method of making same Expired GB987601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14589261A 1961-10-18 1961-10-18

Publications (1)

Publication Number Publication Date
GB987601A true GB987601A (en) 1965-03-31

Family

ID=22515003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38878/62A Expired GB987601A (en) 1961-10-18 1962-10-15 Printed circuit structure and method of making same

Country Status (1)

Country Link
GB (1) GB987601A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137547A (en) * 1983-03-26 1984-10-10 Ferranti Plc Joints between articles of materials of different coefficients of thermal expansion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137547A (en) * 1983-03-26 1984-10-10 Ferranti Plc Joints between articles of materials of different coefficients of thermal expansion

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