Method of producing electrical connection members

Details Method of producing electrical connection members Method of producing electrical connection members

1989-05-30

1990-05-22

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Electrical device making

174262, 439 66, H01R 4320

Patent

active

049265490

ABSTRACT:
A method of producing electrical connection members includes the steps of forming a carrier on a first electrically conductive member, etching holes in portions of the carrier to expose first electrically conductive member in the holes, and etching the portions of the first electrically conductive member which are exposed in the respective holes to form recesses in the first electrically conductive member so that each of the recesses has a diameter larger than the diameter of a corresponding one of the holes. The respective holes formed in the carrier are filled with second electrically conductive members, and then the first electrically conductive member is removed from the carrier. With this method, it is possible to easily produce electrical connection members in which high density electrical connecting portions can be provided and in which the reliability and security of electrical connections can be improved.

REFERENCES:
patent: 2961746 (1960-11-01), Lyman
patent: 3193789 (1965-07-01), Brown
patent: 3541222 (1970-11-01), Parks et al.
patent: 3680037 (1972-07-01), Nellis et al.
patent: 3971610 (1976-07-01), Buehoff et al.
patent: 4050756 (1977-09-01), Moore
patent: 4064623 (1977-12-01), Moore
patent: 4240198 (1980-12-01), Alonso
patent: 4323593 (1982-04-01), Tsunashima

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