US 11,842,829 B2
Flexible electrical cable with four copper layers
Sassan K. Shahidi, San Jose, CA (US); Hoodin Hamidi, San Francisco, NY (US); David Harper, Vail, AZ (US); and Larry LeeRoy Tretter, Tucson, AZ (US)
Assigned to International Business Machines Corporation, Armonk, NY (US)
Filed by International Business Machines Corporation, Armonk, NY (US); and Computer Task Group, Inc., Amherst, NY (US)
Filed on Mar. 21, 2022, as Appl. No. 17/655,563.
Prior Publication US 2023/0298782 A1, Sep. 21, 2023
Int. Cl. H01B 7/02 (2006.01); H01B 3/30 (2006.01); H01B 7/18 (2006.01); H01B 7/00 (2006.01); H01B 7/29 (2006.01)
CPC H01B 7/0225 (2013.01) [H01B 3/306 (2013.01); H01B 7/0009 (2013.01); H01B 7/188 (2013.01); H01B 7/292 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An electrical cable comprising:
first and second cores, each core including a polymeric base layer sandwiched by top and bottom copper layers;
an adhesive layer between the first and second cores and bonding the first and second cores together;
a first polymeric cover layer bonded to an outer surface of the first core, and a second polymeric cover layer bonded to an outer surface of the second core; and
wherein two innermost copper layers of the electrical cable are ground copper layers, and wherein two outermost copper layers of the electrical cable are active copper layers.