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Beyond the surface-level information of conventional inspection tools, HT-T1™ provides true three-dimensional imaging of internal structures completely non-destructively. No cutting, polishing, or physical contact is required. This allows repeated inspection of valuable or delicate samples without the risk of damage or contamination. Manufacturers can monitor product quality at any stage of production, confidently identifying internal defects or irregularities that may affect product performance. The ability to observe the full internal structure, layer by layer, ensures greater confidence in process control and long-term product reliability.

Laser processes are increasingly used to modify transparent materials by changing their internal refractive index. However, these changes are often invisible to traditional inspection methods. HT-T1™ makes these hidden modifications visible by capturing detailed 3D refractive index maps. This allows engineers to directly observe how laser energy has altered the material—whether through densification, rarefaction, formation of microdefects, or even early stage cracking. With this clear feedback, laser process parameters can be fine-tuned for optimal performance, leading to more consistent manufacturing results and reduced process variability.

In etching processes, controlling the exact shape, depth, and smoothness of features like vias and trenches is critical to device performance. HT-T1™ provides high-resolution 3D visualization of these structures after etching, characterizing parameters such as via taper, sidewall geometry, and etch completeness. By providing quantitative feedback not just on surface appearance but on internal geometry, the system allows engineers to adjust etching conditions with greater precision. This leads to improved uniformity across production batches, higher process yield, and more reliable downstream assembly.

Traditional Automated Optical Inspection (AOI) tools are effective at detecting surface defects but often miss internal problems that can lead to later failures. HT-T1™ complements AOI by revealing features surface-based AOI misses—such as subsurface voids, incomplete material removal, or hidden microcracks beneath the surface. By integrating HT-T1™ into the inspection workflow, manufacturers gain a deeper understanding of their process health, catch potential failures earlier, and reduce costly rework or scrap downstream. This deeper insight ultimately supports higher product reliability and customer satisfaction.