US 12,255,402 B2
Transparent antenna stack and assembly
Stephen P. LeBlanc, Austin, TX (US); Jeffrey A. Tostenrude, Leander, TX (US); Gregory L Abraham, Austin, TX (US); and Vicki L Richmond, Austin, TX (US)
Assigned to 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Filed on Sep. 30, 2021, as Appl. No. 17/449,469.
Application 17/449,469 is a continuation of application No. 17/250,472, granted, now 11,165,171, previously published as PCT/IB2020/055376, filed on Jun. 8, 2020.
Claims priority of provisional application 62/860,374, filed on Jun. 12, 2019.
Prior Publication US 2022/0021130 A1, Jan. 20, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01Q 1/38 (2006.01); H01Q 9/04 (2006.01); H01Q 9/28 (2006.01); H01Q 9/40 (2006.01); H01Q 21/28 (2006.01)
CPC H01Q 21/28 (2013.01) [H01Q 1/38 (2013.01); H01Q 9/0414 (2013.01); H01Q 9/285 (2013.01); H01Q 9/40 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An antenna assembly comprising a plurality of stacked antennas, the stacked antennas having an optical transmission of at least about 50% for at least one wavelength in a wavelength range from about 450 nm to about 600 nm, a first antenna in the plurality of stacked antennas configured to operate over a first, but not a second, frequency band and a second antenna in the plurality of stacked antennas configured to operate over the second, but not the first, frequency band, wherein for at least one antenna in the plurality of stacked antennas, the antenna assembly comprises an electrically conductive lead connecting the antenna to an electrically conductive pad for connection to electronics, the electrically conductive lead comprising an electrically conductive metal mesh comprising a plurality of interconnected electrically conductive metal traces defining a plurality of enclosed open areas, the metal traces having varying widths.