<p>➀ Texas Instruments introduced the DLP991UUV digital micromirror device (DMD) with 8.9 million pixels and a 5.4μm mirror pitch, targeting mask-less lithography for advanced semiconductor packaging;</p><p>➁ The DMD operates at 405nm UV wavelength, handles 22.5W/cm² illumination, achieves sub-micron resolution, and offers 91% average diffraction efficiency across 343-410nm bandwidth;</p><p>➂ It uses a 1-inch CMOS array, 12 high-speed serial data interfaces, and multiple voltage rails, building on TI's previous 3,840 x 2,160 DLP controller IC for imaging systems.</p>