: X-bar & R, X-bar & S, p, np, c, and u charts to distinguish between common and special causes of variation. Capability Indices : Using Cpcap C sub p Cpkcap C sub p k end-sub to measure how well a process meets specifications. A is generally considered "capable".
to measure how well a process stays within specification limits. A common target for capability is Control Plans ipc9191 pdf
IPC 9191 is a standard published by the Institute for Printed Circuits (IPC), now known as IPC - Association Connecting Electronics Industries. The standard is titled "Guideline for In-Process Visual Inspection and Visual Acceptance Criteria for Printed Circuit Boards". : X-bar & R, X-bar & S, p,
Bin labels get changed without a system. Fix: Clause 4.4.3 of the PDF mandates "unique identification for each production batch." Implement barcode or RFID tracking. to measure how well a process stays within