Thermometry of a high temperature high speed micro heater
Abstract
A high temperature high-speed tungsten micro heater was fabricated and tested for application in phase change switches to indirectly heat and transform phase change material. Time domain transmissometry was used to measure heater temperature transients for given electrical inputs. Finite element modeling results on heater temperature transients show a good consistency between experiments and simulations with 0.2% mismatch in the best case and 13.1% in the worst case. The heater described in this work can reliably reach 1664 K at a rate of 1.67 × 1010 K/s and quench to room temperature with a thermal RC time constant (time for T to fall by a factor of e) of less than 40 ns.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Feb 01, 2016
- Source ID
- 10.1063/1.4942249
Entities
People
- G. Slovin
- J. A. Bain
- Jeyanandh Paramesh
- Min Xu
- T. E. Schlesinger
Organizations
- Carnegie Mellon University
- Johns Hopkins University
- Office of Naval Research