What is the typical filament size range for modern CT X-ray tubes?

The typical filament size range for modern CT X-ray tubes falls between 0.5 mm and 1.2 mm. This range allows for optimal performance when generating X-rays while maintaining sufficient control over parameters like spatial resolution and beam quality. Thin filaments ensure a small focal spot, which is essential for high-resolution imaging and improved detail in CT scans.

Utilizing filaments in this range also enables the systems to maintain a balance between heat production and efficiency during operation, given that X-ray production involves significant thermal load. Thus, the choice reflects the need for precision and efficiency in modern diagnostic imaging technology. Other specified sizes, either too small or too large, would not support the desired performance characteristics in CT applications.