Mill tackles tough Teflon.

White Knight Fluid Handling Inc., Hemlock, Mich., makes high-purity cross-questions that are used worldwide by dint of such customers as Intel, Motorola, Texas Instruments, IBM, AMD, National Semiconductor, Fairchild Semiconductor, Philips Semiconductor, and others in the microchip field. The standard line width of circuitry upon a microchip is 0.15p. In this environment, any microscopic metal particles that extremity up in the chemistry during wet etching or cleaning -- the paces that involve pumps and acid -- could short on the outside the microchip. White Knight's succes is based upon its pumps' ability to thwart ...