Tech & solutions

The thermal bottleneck of high-power chips and modules is often not only “is conductivity high enough,” but whether conductivity and thermal expansion are matched together. Diamond composites raise thermal conductivity and lower CTE via high diamond volume fraction, forming three common paths: diamond-copper, diamond-aluminum and diamond-SiC. Based on typical performance ranges, this article explains selection boundaries, application scenarios and introduction checkpoints.

The real question in chamber-part selection is often not “ceramics or quartz,” but: under the current temperature, corrosion, electrical and mechanical constraints, which material can control particles, lifetime and cost together. This article builds a unified selection framework for semiconductor advanced ceramics and quartz, explains their role split, a four-dimension assessment approach, and reading paths for failure, customization and procurement—and draws a clear line between bulk silicon carbide and graphite + CVD SiC coating.

Solid SiC is not a “more expensive coating substitute,” but another technical path for no-interface, plasma-resistant and ultra-long-lifetime scenarios. This article explains its application boundaries in etching and high-purity use, TCO comparison with coated graphite, and verification points for introduction.When a line repeatedly sees coating delamination or particle climb on focus rings and similar positions, the issue is often not only “insufficient cleaning” or “a bad lot,” but whether the material form matches the plasma environment.

Coated parts do not have to be fully scrapped at every lifetime node. This article explains when CVD SiC coated graphite parts are suitable for cleaning and regeneration, how to accept them afterward, and how to manage replacement cadence with a full-lifecycle mindset—helping balance yield and cost per run more reliably.The real cost of susceptors, preheat rings and similar parts on the line is not only purchase price, but also replacement frequency, downtime windows and particle risk.