Charge-Coupled Device (CCD)

A silicon imaging sensor that converts light into an electric charge and shifts it, pixel by pixel, into a digital signal -- invented October 17, 1969 at Bell Labs by Willard Boyle and George Smith (2009 Nobel Prize in Physics, "for the invention of an imaging semiconductor circuit -- the CCD sensor"). Independently significant on its own terms, well beyond any one downstream application: the CCD became the dominant image sensor across consumer digital photography, camcorders, medical imaging, and scientific instrumentation from the 1970s through the 2000s, before CMOS sensors displaced it in most consumer devices in the 2010s -- CCDs remain in active production and use today specifically where their lower read noise and higher quantum efficiency still matter, notably professional astronomical imaging and spectroscopy. Admitted here specifically because it clears the real Distinctness Test on its own merits (independent data footprint, independent commercialization path as a distinct sensor product line, and a specific singular 1969 arrival event), not merely as a prerequisite for any one enablement edge -- see docs/APPLIED_BASIC_ENABLEMENT_ADMISSION.md Sec 2 criterion 2. `tracking_status` left NULL rather than `lineage_only`: unlike a historical technology with no live-tracking future, CCD remains a real, still-manufactured technology this platform could legitimately live-track later -- NULL here reflects "no ingestion decision made yet," not "will never be tracked," matching the precedent already established for Segment Anything Model/RISC-V.