Flexible electrical connection and method of making same

Details Flexible electrical connection and method of making same Flexible electrical connection and method of making same

1986-10-06

1988-03-01

Kucia, R. R.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

361404, 361406, 361408, H05K 102

Patent

active

047287519

ABSTRACT:
A flexible electrical connection, and method for making such a connection, for mounting an electronic device, such as a semiconductor chip made primarily of silicon, on an organic substrate, such as a printed circuit board made of a glass material impregnated with epoxy resin, are disclosed. The flexible electrical connection comprises a circuit line attached to the surface of the organic substrate and having a floating terminus in a relatively low adhesive area of the organic substrate where it is desired to mount the electronic device on the organic substrate. The floating terminus includes a stress relief bend, and the flexible electrical connection relieves stresses, such as thermal stresses, which may otherwise damage the physical and/or electrical connection between the electronic device and the floating terminus of the flexible electrical connection when the electronic device is mounted on the surface of the organic substrate.

REFERENCES:
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Miller, L. F., "Flexible Chip Joints", IBM Technical Disclosure Bulletin, vol. 11, No. 9, p. 1173, Feb. 1969.

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