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Stripline Connector Fabrication Process to Minimize Electrical Discontinuity

IP.com Disclosure Number: IPCOM000037234D
Original Publication Date: 1989-Dec-01
Included in the Prior Art Database: 2005-Jan-29
Document File: 2 page(s) / 77K

Publishing Venue

IBM

Related People

Miersch, E: AUTHOR [+2]

Abstract

A technique is described whereby stripline connectors are fabricated so as to minimize electrical discontinuity, as applied to printed circuit technology.

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Stripline Connector Fabrication Process to Minimize Electrical Discontinuity

A technique is described whereby stripline connectors are fabricated so as to minimize electrical discontinuity, as applied to printed circuit technology.

With the advent of faster electrical circuits which require increasing pulse rise times, the elements of electrical discontinuity of printed circuitry can affect total performance of the system. The concept described herein concentrates on the ability to match the impedance between the stripline structure of a printed circuit substrate, utilizing thin or thick film technology, in the construction of the coax interconnections to the stripline.

(Image Omitted)

Mechanical holder 10, as shown in Fig. 1, is designed to hold bundles of coax cables 11, enabling the individual coax wiring to enter the holes provided. Second holder 12 has a matching expansion coefficient and the same hole pattern as holder 10. The reverse side of holder 12 contains the interconnection structure between the ends of the coax cables and the stripline elements of the printed circuit board or card. Fig. 2a illustrates the cross-section of the coax connections to the stripline, while Fig. 2b shows the exploded view of the connection utilizing the coax to stripline connectors. The concept concentrates on the area of interconnection at holder 12 and stripline structure 13, since the coax is connected to both elements. The space between coax cables 11 is filled with a m...