Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,...
Patent
1993-12-17
1995-03-14
Ramsey, Kenneth J.
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
174254, 174261, 439 78, H05K 332
Patent
active
053972392
ABSTRACT:
A molded circuit board has an aperture wherein a contact member is flexibly carried by a living hinge. Conductor traces are plated upon the contact member, the living hinge, and the circuit board. The conductor traces form contacts on the contact member which are electrically connected to the conductor traces on the circuit board. A mating connector, having resilient contacts, is inserted into the aperture, folding back the contact member. The resilient contacts engage the contacts on the contact member. Another embodiment includes dual contact members hinged on opposing sides of an aperture. A further embodiment has a contact member which is folded up and inserted into a mating connector. In the above embodiments the contact members are molded with thin breakable portions of material holding the contact members in planes of the circuit boards. The present invention is formed from a polymeric material including one of polypropylene, polyethylene, and nylon. The polymeric material includes fillers including at least one of calcium carbonate, glass, and talc for heat stability. The polymeric material is pretreated in an organic solvent, such as turpentine, before etching during the plating process.
REFERENCES:
patent: 3365694 (1968-01-01), Parker
patent: 3417362 (1968-12-01), Reynolds
patent: 4121044 (1978-10-01), Hadersbeck et al.
What ever happened to Molded 3D Circuit Boards? by Carl Kirkland-Plastics World/Feb. 1993.
A. Schulman Inc.-Literature Polypropylene living Hinge Design and Manufacture.
SAE Technical Paper Series, Congress and Exposition Coba Hall Detroit.
Coletta Michael P.
Kell Howard
Sheldon Daniel F.
Zaderej Victor
Catan Mark A.
Circuit-Wise, Inc.
Ford Motor Company
Morrison Thomas R.
Ramsey Kenneth J.
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