The stainless steel screens offer enhanced strength and more uniform hole size compared to alternatives, such as wire mesh, because they are photochemically etched from a solid piece of stainless steel. This improves their dimensional stability and reliability over extended periods of time and in demanding environments.
HTI has been able to achieve extremely high density hole patterns through tight process control. For example, one product currently being produced in volume contains a hole density of over 23,000 holes per square cm (178,000 holes per square inch), with 0.055-mm hole diameter. This design provides approximately 55% open area on the screen for this particular design, but hole density and percent open area are readily tailored to customer-specific design needs.