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We present a strip transition-edge sensor microcalorimeter linear arraydetector developed for energy dispersive X-ray diffraction imaging and Comptonscattering applications. The prototype detector is an array of 20transition-edge-sensors with absorbers in strip geometry arranged in a lineararray. We discuss the fabrication steps needed to develop this array includingMo/Cu bilayer, Au electroplating, and proof-of-principle fabrication of longstrips of SiNx membranes. We demonstrate minimal unwanted effect of stripgeometry on X-ray pulse response, and show linear relationship of 1/pulseheight and pulse decay times with absorber length. For the absorber lengthsstudied, preliminary measurements show energy resolutions of 40 eV to 180 eVnear 17 keV. Furthermore, we show that the heat flow to the cold bath is nearlyindependent of the absorber area and depends on the SiNx membrane geometry.

Development of Transition-Edge Sensor X-ray Microcalorimeter Linear Array for Compton Scattering and Energy Dispersive Diffraction Imaging