Shielded electrical cable in twinaxial configuration

A technology of shielded cable and biaxial configuration, which is applied in the direction of power cables with shielding layer/conductive layer, cables with twisted strands/twisted strands, communication cables, etc., and can solve the problem of batch termination technology And other issues

Active Publication Date: 2013-01-09
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both of these general types of cables typically require the use of specially designed connectors for termination and are generally unsuitable for mass termination techniques, that is, the simultaneous connection of multiple conductors to individual contact elements, such as the contacts of electrical connectors or contact elements on a printed circuit board

Method used

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  • Shielded electrical cable in twinaxial configuration
  • Shielded electrical cable in twinaxial configuration
  • Shielded electrical cable in twinaxial configuration

Examples

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example

[0270] Manufactured with cable 11402 (see Figure 30a ) general layout of shielded ribbon cables. The cable utilizes sixteen insulated 32 wire gauge (AWG) wires of eight twinax pairs arranged as signal wires, and two non-insulated 32 wire gauge (AWG) wires arranged along the edge of the cable for the drain wires. Each of the sixteen signal wires used had a solid copper core with silver plating. The two drain wires each had a stranded wire construction (7 strands each) and were tin plated. Insulated wire insulators have a nominal outside diameter of 0.025 inches. Feed sixteen insulated wires and two uninsulated wires into a Figure 5 In the device shown in c, it is placed between two shielding films. The shielding films were essentially identical and had the following construction: a polyester base layer (0.00048 inches thick) over which was placed a continuous layer of aluminum (0.00028 inches thick) over which a continuous layer of non-conductive adhesive ( 0.001 inches ...

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Abstract

A shielded electrical cable (2) includes one or more conductor sets (4) extending along a length (L) of the cable (2) and being spaced apart from each other along a width (W) of the cable (2). Each conductor set (4) has one or more conductors (6) having a size no greater than 24 AWG and each conductor set (4) has an insertion loss of less than about -20 dB / meter over a frequency range of 0 to 20GHz. First and second shielding films (8) are disposed on opposite sides of the cable (2), the first and second films (8) including cover portions (7) and pinched portions (9) arranged such that, in transverse cross section, the cover portions (7) of the first and second films (8) in combination substantially surround each conductor set (4), and the pinched portions (9) of the first and second films (8) in combination form pinched portions of the cable (2) on each side of each conductor set (4).

Description

technical field [0001] The present invention generally relates to cables and connectors. Background technique [0002] Cables for transmitting electrical signals are well known. One common type of cable is coaxial cable. Coaxial cables typically include electrical conductors surrounded by an insulator. The wire and insulator are surrounded by a shield, and the wire, insulator and shield are surrounded by a sheath. Another common type of electrical cable is a shielded electrical cable comprising one or more insulated signal conductors surrounded by a shield, eg formed of metal foil. To facilitate electrical connection of the shield, additional uninsulated conductors are sometimes provided between the shield and the insulator of one or more signal conductors. Both of these general types of cables typically require the use of specially designed connectors for termination and are generally unsuitable for mass termination techniques, that is, the simultaneous connection of mu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/08H01B11/00
CPCH01B11/002H01B9/02H01B7/0838H05K9/0064H01B11/203H01B7/0861H01B7/08H01B7/0876H01B11/00H01B11/06H01B7/00H01B7/17H01B7/0208H01B7/0823H01B7/1875H01B11/04H01B11/1891H01B11/1895H05K9/0098H05K999/99
Inventor 道格拉斯·B·贡德尔
Owner 3M INNOVATIVE PROPERTIES CO
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