US 11,917,753 B2
Circuit board for use at 5G frequencies
Xiaowei Zhang, Union, KY (US); Xinyu Zhao, Cincinnati, OH (US); and Christopher McGrady, Walton, KY (US)
Assigned to Ticona LLC, Florence, KY (US)
Filed by Ticona LLC, Florence, KY (US)
Filed on Aug. 18, 2020, as Appl. No. 16/995,899.
Claims priority of provisional application 63/024,568, filed on May 14, 2020.
Claims priority of provisional application 63/009,001, filed on Apr. 13, 2020.
Claims priority of provisional application 62/994,324, filed on Mar. 25, 2020.
Claims priority of provisional application 62/986,098, filed on Mar. 6, 2020.
Claims priority of provisional application 62/904,099, filed on Sep. 23, 2019.
Prior Publication US 2021/0092836 A1, Mar. 25, 2021
Int. Cl. H05K 1/02 (2006.01); H05K 1/09 (2006.01); C08L 67/00 (2006.01); C08L 67/02 (2006.01); C08L 67/04 (2006.01); C08L 71/00 (2006.01); C08L 71/08 (2006.01); H05K 1/03 (2006.01); C08G 63/60 (2006.01); H01Q 1/24 (2006.01); B32B 15/09 (2006.01); B32B 15/20 (2006.01); H01Q 21/06 (2006.01)
CPC H05K 1/0353 (2013.01) [B32B 15/09 (2013.01); B32B 15/20 (2013.01); C08G 63/605 (2013.01); C08L 67/04 (2013.01); H01Q 1/243 (2013.01); H05K 1/09 (2013.01); B32B 2307/202 (2013.01); B32B 2307/204 (2013.01); B32B 2307/73 (2013.01); B32B 2457/08 (2013.01); C08G 2250/00 (2013.01); C08L 2203/16 (2013.01); C08L 2203/20 (2013.01); C08L 2205/14 (2013.01); H01Q 21/065 (2013.01); H05K 2201/015 (2013.01); H05K 2201/0141 (2013.01); H05K 2201/10098 (2013.01); H05K 2201/10522 (2013.01)] 37 Claims
OG exemplary drawing
 
1. A laminate for use in a circuit board, the laminate comprising:
a conductive layer; and
a film positioned adjacent to the conductive layer, wherein the film comprises a polymer composition that includes a polymer matrix comprising a liquid crystalline polymer and a hydrophobic material distributed throughout the polymer matrix, wherein the polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz, wherein the liquid crystalline polymer contains repeating units derived from 6-hydroxy-2-naphthoic acid in an amount of about 30 mol. % or more.