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Browse Prior Art Database

Coax Sealing Cap

IP.com Disclosure Number: IPCOM000108873D
Original Publication Date: 1992-Jun-01
Included in the Prior Art Database: 2005-Mar-23
Document File: 1 page(s) / 56K

Publishing Venue

IBM

Related People

Antonucci, RF: AUTHOR [+2]

Abstract

Disclosed is a technique to ensure the electrical performance of miniature coaxial cables terminated directly to the external wiring plane of a Printed Circuit Board.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 82% of the total text.

Coax Sealing Cap

      Disclosed is a technique to ensure the electrical performance
of miniature coaxial cables terminated directly to the external
wiring plane of a Printed Circuit Board.

      The electrical parameters of Time Delay, Impedance and
Insulation Resistance are degraded by the same mechanism described in
Research Disclosure, #32752 [*].  Furthermore, it provides the same
functional benefits as described therein.  The Coax Sealing Cap
differs by providing an alternate system of cable sealing that
improves the large-scale manufacturing implementation and quality
control.

      A Coax Sealing Cap is fitted around the cable to produce an
envelopment between the longitudinal position beginning at the Outer
Jacket (E) cut surface and extending to the Dielectric (C) cut
surface (see figure in (*)).  Key features include a Split
Construction (L), a Hinged Housing (F), a "Snap" Engagement (G), a
Counterbore Stop (H), and Epoxy Preform (J) and a Molded Housing (K)
(see figure below).

      The manufacturing and quality benefits of the Coax Sealing Cap
(M) are the following: (1) Epoxy Preforms (J) and Molded Housings (K)
can be mass produced by low-cost molding operations; (2) during the
process of Epoxy Preform (J) curing, the Housing cavities will retain
and control the shape of the sealing, thereby reducing leakage to the
Printed Circuit Board and/or producing repeatable envelopment; (3)
the Hinged Housing (F), "Snap" Feature (G) and Counterbore...