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Printed Circuit Board of Porcelain Coated Steel Carrying Contacts of a Connector Block and Carrying Trimmable Resistors for Electrically Terminating a Cable

IP.com Disclosure Number: IPCOM000040792D
Original Publication Date: 1987-Jan-01
Included in the Prior Art Database: 2005-Feb-02
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Aakalu, N: AUTHOR [+4]

Abstract

One part of an electrical connector assembly has an insulating block and metal contacts that are mounted in the block, as is conventional. At one end the contacts are conventionally shaped to make an electrical connection to the other part of the connector assembly, and at the other end they are adapted to provide an improved connection to a new printed circuit card. The printed circuit card is mounted inside the insulating block and provides a conventional electrical connection between the contacts on one side and the conductors of a flat cable on the other side.

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Printed Circuit Board of Porcelain Coated Steel Carrying Contacts of a Connector Block and Carrying Trimmable Resistors for Electrically Terminating a Cable

One part of an electrical connector assembly has an insulating block and metal contacts that are mounted in the block, as is conventional. At one end the contacts are conventionally shaped to make an electrical connection to the other part of the connector assembly, and at the other end they are adapted to provide an improved connection to a new printed circuit card. The printed circuit card is mounted inside the insulating block and provides a conventional electrical connection between the contacts on one side and the conductors of a flat cable on the other side.

The printed circuit card has a steel core that is coated with an insulation such as porcelain. The steel core is connected to electrical ground. Thick film copper conductors and thick film resistors are screened onto the porcelain on the cable side of the card. The resistors are then trimmed to an appropriate value for terminating the cable. The printed circuit card has insulated through holes and the cable ends of the contacts are shaped to fit through the holes and are soldered to conductors on the cable side of the circuit card. The card is then coated with a protective material such as epoxy. The connector assembly is simpler than assemblies in which the cable conductors are terminated by discrete resistors.

Disclosed anonymously

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