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September 2016 • SMT Magazine 79 IPC-1782 STANDARD FOR TRACEABILITY SUPPORTING COUNTERFEIT COMPONENT DETECTION – The higher the level of material trace- ability adopted, the more precise the detail should be, in terms of events such as material replacement, slicing accuracy on SMT machines and in terms of certainty of exactly which material was used for each reference designator – Each material entry in the Assembly cell links to an associated Material Cell – Materials with unique ID (e.g., serialized battery) may have additional unique process information, and are described by an associated Unique Material Cell – Sub-assembly traceability information is defined in the associated Assembly Cell – Software traceability is defined in the associated Software Material Cell • Hazardous/Prohibited Substance Content Summary is also summarized in an associated Hazardous/Prohibited Substance Cell • Information about the processes that the assembly has been through is contained in an associated Process Data Cell. The items and detail of data recorded about the processes is again dependent on the level of traceability selected. Material Cells: • Materials may be identified by a unique ID (e.g., battery, screen/display, hard disk drive (HDD), central processing unit (CPU), have a unique ID on their material carrier (i.e., those on an SMT reel, tray or stick or any materials in a bag, pallet, box etc.) or for generic materials, be identified by part number and local. Key fields with- in the cell are used to define the scope of the cell as to how the materials are identi- fied. • Depending on the level of material trace- ability adopted, the cell may include such items including internal part number, re- ceiving order name, purchase order, date of receipt, material carrier unique ID, quantity, manufacturer name and part number, batch code, place of manufac- ture, MSD classification, shape code, sup- ply format, use-by date, counterfeit deter- mination, ESD Classification, incoming inspection test record, as well as addition- Figure 4: Traceability cell structure.