IP Library › Granted Patent US 9,105,376
Granted Patent B2
US 9,105,376 · App. 14/018,950 · Granted Aug 11, 2015

Connector arrangements for shielded electrical cables

Inventors: Douglas B. Gundel (Cedar Park, TX); William V. Ballard (Austin, TX); Alexander W. Barr (Austin, TX); Joseph N. Castiglione (Cedar Park, TX); William J. Lee (Leander, TX); Mark M. Lettang (Cedar Park, TX); Jesse A. Mann (Cedar Park, TX); Richard J. Scherer (Austin, TX); Charles F. Staley (Lakeway, TX)
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
H01B11/002H01B7/02H01B7/0861H01B11/1869H01B11/203H01B7/0838
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Quick Facts
Patent No.
US 9,105,376
App. No.
14/018,950
Granted
Aug 11, 2015
Kind
B2
Abstract

A shielded electrical ribbon cable is disclosed. The cable includes a plurality of conductor sets including a first conductor set adjacent a second conductor set. Each conductor set includes one or more insulated conductors. The cable further includes first and second shielding films disposed on opposite sides of the cable forming cover portions and pinched portions, where the cover portions substantially surround each conductor set, and the pinched portions form pinched portions of the cable on each side of each conductor set. The insulated conductors in a conductor set are not in a same geometrical plane. A first insulated conductor of the first conductor set is nearest the second conductor set. A second insulated conductor of the second conductor set is nearest the first conductor set. The first and second insulated conductors have a center-to-center spacing S. The first insulated conductor has an outer dimension D 1 and the second insulated conductor has an outer dimension D 2 . S/Dmin is in a range from 1.7 to 2, where Dmin is the lesser of D 1 and D 2.

Claims (6)

1. A shielded electrical ribbon cable, comprising:

a plurality of conductor sets extending lengthwise along the cable and being spaced apart from each other along a width of the cable, and each conductor set including one or more insulated conductors, the conductor sets including a first conductor set adjacent a second conductor set; and

a first and second shielding film disposed on opposite sides of the cable, the first and second films including cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the first and second films in combination substantially surround each conductor set, and the pinched portions of the first and second films in combination form pinched portions of the cable on each side of each conductor set;

wherein, when the cable is laid flat, the insulated conductors in a conductor set having two or more insulated conductors are not in a same geometrical plane, a first insulated conductor of the first conductor set is nearest the second conductor set, and a second insulated conductor of the second conductor set is nearest the first conductor set, and the first and second insulated conductors have a center-to-center spacing S; and

wherein the first insulated conductor has an outer dimension D 1 and the second insulated conductor has an outer dimension D 2 ; and

wherein S/Dmin is in a range from 1.7 to 2, where Dmin is the lesser of D 1 and D 2 .

Continuity (3)
Continuation 13575203
Provisional Application 61378877 · Aug 31, 2010
Related Publication 20140014406A1 · Jan 16, 2014