Electronics customers ask for quality history often. When machine logs, inspection results and material lots sit in different places, every request becomes a manual collation exercise.
SMT placement logs stay with the machine, X-ray and AOI verdicts with the inspection system.
02
Material lots do not connect to finished goods
Without a record of which reel went into which lot, a confirmed material problem cannot be narrowed to a recall scope.
03
Mis-issue depends on human checking
Similar parts are everywhere and visual verification has limits.
Where electronic components plants get stuck
Problems that come up repeatedly in implementation discussions.
Field issue
Machine logs and inspection data are separated
SMT placement logs stay with the machine, X-ray and AOI verdicts with the inspection system. Reading placement history and inspection result together for one board means manual cross-referencing.
Field issue
Material lots do not connect to finished goods
Without a record of which reel went into which lot, a confirmed material problem cannot be narrowed to a recall scope.
Field issue
Mis-issue depends on human checking
Similar parts are everywhere and visual verification has limits. The later a mis-issue is found, the more it costs.
Field issue
Customer quality requests are answered by hand
Formats differ per customer, so the pack is rebuilt each time. Without the raw data in one place that work never shrinks.
What gets connected
Machine signals and floor entry combined into history.
What is connected
How it is collected
What it produces
SMT machine log
Machine output file or protocol
Placement history, per-machine running state
X-ray / AOI verdict
Inspection machine integration
Defect type and location, pass/fail history
Material lot
Barcode / QR scan
Reel and lot bound to finished goods
Reflow profile
Machine log
Process condition history
Work order and BOM
MES / ERP integration
Issue verification, mis-issue blocking
Build sequence
Nothing is converted all at once. High-impact areas are built and verified first.
STEP 01
Settle the material identification scheme
Decide first how reels and lots are identified. With identification in place everything downstream can be traced; without it, no amount of collected data joins up.
STEP 02
Introduce issue verification
Compare the work order BOM against what is actually scanned and stop the operation on a mismatch. Mis-issue is blocked at occurrence rather than discovered afterwards.
STEP 03
Collect machine and inspection data
Gather SMT logs and inspection verdicts and attach them to the lot.
STEP 04
Build the quality history view
Organise query conditions and output shapes so history can be produced in the format customers ask for.
Applied solutions
Scope is composed after reviewing equipment and workflow.
Questions that come up on electronic components floors.
SMT log formats differ by vendor. Is that a problem?
They are standardised in the collection layer. Log files, protocol reads and contact signals are each taken in and organised into one structure, so upstream systems never see the difference.
How does mis-issue blocking work?
Scanned material is compared against the BOM defined on the work order. A mismatch raises a warning and stops the operation; how hard it stops is set to match the floor.
Do we have to retain X-ray images?
Verdict and location usually satisfy traceability requirements. Image retention is decided together with storage capacity and retention period.
Customers each want a different format. Can that be handled?
With the raw data in one place, output formats are a query concern. More formats does not mean recollecting data.
Can we see a semiconductor parts case study?
Detailed cases in that sector are not published at customer request. Scope and approach are discussed using structurally similar cases during consultation.
Sources and standards
Terms and procedures on this page follow the public standards and official sources below. Figures are as of each source's publication date.