US 9,809,720 B2
Ferroelectric nanocomposite based dielectric inks for reconfigurable RF and microwave applications
Mahdi Haghzadeh, Lowell, MA (US); Alkim Akyurtlu, Arlington, MA (US); and Craig Armiento, Acton, MA (US)
Assigned to University of Massachusetts, Boston, MA (US)
Filed by University of Massachusetts, Boston, MA (US)
Filed on Jul. 6, 2016, as Appl. No. 15/203,706.
Claims priority of provisional application 62/189,054, filed on Jul. 6, 2015.
Claims priority of provisional application 62/357,985, filed on Jul. 2, 2016.
Claims priority of provisional application 62/358,705, filed on Jul. 6, 2016.
Prior Publication US 2017/0009090 A1, Jan. 12, 2017
Int. Cl. H05K 1/00 (2006.01); C09D 11/102 (2014.01); C09D 11/03 (2014.01); C09D 11/033 (2014.01); H01P 3/00 (2006.01); H05K 1/16 (2006.01)
CPC C09D 11/102 (2013.01) [C09D 11/03 (2013.01); C09D 11/033 (2013.01); H01P 3/00 (2013.01); H05K 1/16 (2013.01); H05K 1/162 (2013.01); H05K 2201/086 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A liquid ink, comprising:
a plurality of pre-sintered perovskite oxide particles, said plurality of pre-sintered perovskite oxide particles having a size distribution with a modal size in the range of 30 nm to 2000 nm;
a thermoplastic polymer configured to have a low loss tangent less than 0.001 at high frequencies;
a solvent configured to dissolve said polymer; and
a dispersant configured to disperse said plurality of pre-sintered perovskite oxide particles.