Browse Prior Art Database

Annular Ring Coaxial Termination

IP.com Disclosure Number: IPCOM000081011D
Original Publication Date: 1974-Mar-01
Included in the Prior Art Database: 2005-Feb-27
Document File: 2 page(s) / 56K

Publishing Venue

IBM

Related People

Evans, RT: AUTHOR

Abstract

This arrangement provides a semipermanent attachment of a miniature coaxial cable 8 directly to a printed-circuit card 16. Fig. 1 shows an exploded view of the terminator, which consists of a formed annular ring 10 made of a low-cost sheet brass alloy. The top of the ring is formed to receive a splayed shield 14 of the coaxial cable 8. It also has three formed legs 13 for providing stability and which terminate to matching ground positions 25 on the card 16. The center conductor 12 of the coaxial cable 8 passes through a plated-through hole 22 on the board 16 and solders directly to the printed-circuit land thereon.

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Annular Ring Coaxial Termination

This arrangement provides a semipermanent attachment of a miniature coaxial cable 8 directly to a printed-circuit card 16. Fig. 1 shows an exploded view of the terminator, which consists of a formed annular ring 10 made of a low- cost sheet brass alloy. The top of the ring is formed to receive a splayed shield 14 of the coaxial cable 8. It also has three formed legs 13 for providing stability and which terminate to matching ground positions 25 on the card 16. The center conductor 12 of the coaxial cable 8 passes through a plated-through hole 22 on the board 16 and solders directly to the printed-circuit land thereon.

A heat shrinkable solder ring 20 provides a controlled amount of solder/flux in a transparent heat shrinkable member 18, which slides down over the splayed shield 14 and annular ring 10, as can be seen in Fig. 2. This results in an inspectable solder termination, because of the transparency of the heat shrinkable tube 1A. When heat is applied, the solder ring 20 provides a solder connection of the shield 14 to the annular ring 10, and the shrink tubing 18 conforms to the geometry of whatever it surrounds and provides a strain-relief effect.

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