Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 49, Pages 34019-34026Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b11643
Keywords
3D printing; nanocomposites; dielectrics; millimeter wave; K-a band; direct write
Funding
- Technology Office of Lincoln Laboratory through the Novel and Engineered Materials Novel and Engineered Materials Technology Category
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The creation of millimeter wave, 3D-printable dielectric nanocomposite is demonstrated. Alumina nanoparticles were combined with styrenic block copolymers and solvent to create shear thinning, viscoelastic inks that are printable at room temperature. Particle loadings of up to 41 vol % were achieved. Upon being dried, the highest-performing of these materials has a permittivity of 4.61 and a loss tangent of 0.00298 in the K-a band (26.5-40 GHz), a combination not previously demonstrated for 3D printing. These nanocomposite materials were used to print a simple resonator device with predictable pass-band features.
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