http://ir-heat-beam.com/en/tags/dns/ Recent content in DNS on Focused IR Heating Beams Hugo en-us Fri, 05 Jun 2026 04:16:41 +0800 http://ir-heat-beam.com/en/posts/dns-screen-wafer-dryer-lamp/ Fri, 05 Jun 2026 04:16:41 +0800 http://ir-heat-beam.com/en/posts/dns-screen-wafer-dryer-lamp/ <p><img src="http://ir-heat-beam.com/images/0a976f8a438e1a813cc995e9355a4471.png" alt="DNS (Screen) wafer dryer lamp"></p> <p>On the lithography floor, a 1°C drift in the soft bake or hard bake isn’t a “small error.” It’s a yield hit, plain and simple. You watch wafers leave the track with edge bead, linewidth spread, or solvent that never fully cleared—residue that shows up later as a defect. What you need is a heat source that treats the whole wafer as one thermal body, not a patchwork of hot and cold spots.</p>