US 12,225,638 B2
Integrated microheater array for efficient and localized heating of magnetic nanoparticles at microwave frequencies
Yingying Fan, Houston, TX (US); Qingbo Zhang, Houston, TX (US); Linlin Zhang, Houston, TX (US); Gang Bao, Houston, TX (US); and Taiyun Chi, Houston, TX (US)
Assigned to William Marsh Rice University, Houston, TX (US)
Filed by William Marsh Rice University, Houston, TX (US)
Filed on Feb. 14, 2022, as Appl. No. 17/650,982.
Claims priority of provisional application 63/149,142, filed on Feb. 12, 2021.
Prior Publication US 2022/0264703 A1, Aug. 18, 2022
Int. Cl. H05B 3/26 (2006.01)
CPC H05B 3/265 (2013.01) [H05B 2214/04 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A microheater array system comprising:
an integrated microheater array configured to generate a localized heat, having a plurality of pixels, wherein each pixel comprises:
an inductor;
a stacked oscillator configured to generate a magnetic field at microwave frequencies with tunable intensity and frequency; and
an electro-thermal loop,
wherein the stacked oscillator comprises a plurality of transistors connected in series, and a biasing voltage, a biasing resistor, and an external gate capacitor are applied to each transistor.