GB987601A - Printed circuit structure and method of making same - Google Patents
Printed circuit structure and method of making sameInfo
- 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
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.
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)
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 |
-
1962
- 1962-10-15 GB GB38878/62A patent/GB987601A/en not_active Expired
Cited By (1)
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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