erDiagram
    DEPOSITION_RUN ||--|| SIMTRA_PROFILE : produces
    DEPOSITION_RUN ||--|| BATCH : creates
    BATCH ||--|{ WAFER : contains
    WAFER ||--|{ COUPON : contains
    COUPON ||--|| XRF_MAP : has
    COUPON ||--|| NANOINDENTATION : has
    COUPON ||--|| AFM : has
    COUPON ||--|| PROFILOMETRY : has
    COUPON ||--o{ TRACK : "friction coupons only"
    TRACK ||--|{ CYCLE : has
    TRACK ||--|{ LOOP_POINT : has
    TRACK ||--|| WEAR : has