The gate-type carbon nanotubes cathodes exhibit advantages in long-term stable emission
owing to the uniformity of electrical field on the carbon nanotubes, but the gate inevitably …

For computed tomography (CT) imaging to be considered “real time”, one set of tomographic
projections are to be acquired in less than 30 ms. Current conventional CT systems are …

The reduction of motion blur in computed tomography (CT) drives the current research for
multisource CT. Due to their compact nature, the current multisource systems utilize …

Background Emerging multi‐pixel X‐ray source technology enables new designs for X‐ray
imaging systems. The power of multi‐pixel X‐ray sources with a fixed anode is limited by …

碳纳米管(CNTs) 优异的场致电子发射性能在开发冷阴极X 射线管方面展现出显著优势.
研究表明, 通过控制电子发射方式和提高CNTs 阴极发射电流的密度和稳定性可显著提升X …

Emerging distributed x-ray source technology enables new designs for x-ray imaging
systems. The multi-pixel thermionic emission X-ray (MPTEX) source, a distributed x-ray …

Cold cathode micro-focus X-ray source with a single focusing lens was designed. The focus
spot size (FSS) of the electron beam was simulated using CST software. The simulation …

In this study, a gated ZnO nanowire field emitter arrays (FEAs) was fabricated for the
application of pulsed flat panel X-ray source. The ZnO nanowires were grown using thermal …