{"id":21,"date":"2026-08-31T18:01:24","date_gmt":"2026-08-31T10:01:24","guid":{"rendered":"http:\/\/wh-nu7wehbv22kcbyp04h6.my3w.com\/?page_id=21"},"modified":"2026-08-31T18:01:24","modified_gmt":"2026-08-31T10:01:24","slug":"sq-quality-control","status":"publish","type":"page","link":"https:\/\/www.ebestpcba.com\/index.php\/sq-quality-control\/","title":{"rendered":"PCB & PCBA Quality Control and Inspection"},"content":{"rendered":"\n
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Home<\/a> \/ Quality<\/a> \/ Quality Control<\/div>\r\n
Quality Requirements Before Production<\/div>\r\n

PCB & PCBA Quality Inspection From Incoming Materials to Shipment<\/h1>\r\n

Before quotation, send your production files, inspection requirements, acceptance criteria and required records. EBest PCBA will review the applicable checks for incoming materials, first articles, production, testing and shipment, and confirm the included requirements in the quotation.<\/p>\r\n

Send Gerber & BOM<\/a>Discuss Inspection Requirements \u2192<\/a><\/div>\r\n
ISO9001<\/span>IATF16949<\/span>ISO13485<\/span>AS9100D<\/span><\/div>\r\n<\/div>\r\n
\"AOI
We select the inspection methods according to your board design, component packages and agreed acceptance criteria.<\/figcaption><\/figure>\r\n<\/div>\r\n<\/section>\r\n
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Quality Checks During Production<\/div>

5 Quality Checks From Incoming Materials to Shipment<\/h2>

We review the required checks for incoming materials, first articles, production, inspection and shipment. The quotation will state which checks apply to your order based on your files and quality requirements.<\/p><\/div>\r\n

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01<\/span>

Incoming Inspection<\/h3>

Before production, we check the identity, condition and required documents for the PCBs, components and materials specified for your order.<\/p><\/article>\r\n

02<\/span>

First Article Check<\/h3>

When first-article approval is required, we check placement, polarity, orientation, workmanship and other agreed build details before the remaining batch continues.<\/p><\/article>\r\n

03<\/span>

In-Process Inspection<\/h3>

During PCB fabrication and PCBA assembly, we perform the agreed inspections to identify issues before they affect additional units.<\/p><\/article>\r\n

04<\/span>

Inspection and Testing<\/h3>

We use the visual, SPI, AOI, X-ray, electrical or functional checks included in the quotation when they are suitable for the product and the required test inputs are available.<\/p><\/article>\r\n

05<\/span>

Shipment Check<\/h3>

Before shipment, we verify the finished quantity, workmanship, completed tests, packaging and required delivery records.<\/p><\/article>\r\n<\/div>\r\n

The quotation will confirm the required inspection and test methods based on the PCB construction, component packages, assembly process, test access and your acceptance criteria.<\/p>\r\n<\/div>\r\n<\/section>\r\n

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Inspection Method Selection<\/div>

How We Select Inspection and Test Methods for Your PCB or PCBA<\/h2>

Tell us which defects, acceptance criteria and result records are important when you send your files for review. We review the board design, component packages and test access to confirm the suitable inspection or test methods.<\/p><\/div>\r\n

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Product feature<\/div>
Inspection or test method<\/div>
Result or record<\/div><\/div>\r\n
Solder paste and fine-pitch components<\/b><\/div>
Stencil and paste checks, with SPI when agreed for SMT assembly<\/div>
Inspection result and any recorded issue<\/div><\/div>\r\n
Polarity, offset and visible joints<\/b><\/div>
First-article check, visual inspection and AOI when applicable<\/div>
Inspection result and action taken for any issue<\/div><\/div>\r\n
BGA and hidden solder joints<\/b><\/div>
X-ray inspection when required by the package type or customer specification<\/div>
X-ray result in the agreed record format<\/div><\/div>\r\n
Electrical and functional behavior<\/b><\/div>
ICT, FCT or a customer-defined test method when the required test inputs are available<\/div>
Pass\/fail result in the agreed format<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n
\"OperatorAOI checks component placement, polarity and visible solder-joint conditions when it is included for the assembly.<\/span><\/figure>\r\n<\/div>\r\n<\/section>\r\n
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Inspection and Traceability Records<\/div>

Quality Records Available for Your PCB or PCBA Order<\/h2>

Send us your requirements for inspection, test and traceability records, including the file format, retention period and delivery timing. We will confirm what can be provided in the quotation.<\/p><\/div>\r\n

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Inspection and Test Records<\/h3>

Depending on the quotation, available records may include first-article, AOI, X-ray, visual inspection or test results.<\/p><\/div><\/article>\r\n

\"Quality

Batch and Serial Number Traceability<\/h3>

When required, batch or serial numbers can link material or component information with production status and inspection records for your order.<\/p><\/div><\/article>\r\n

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Shipment Records<\/h3>

Before shipment, we verify the inspection and test status, finished quantity, packaging and the delivery records agreed for the order.<\/p><\/div><\/article>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n

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When a Quality Issue Is Found<\/div>

How We Handle Materials or Assemblies That Do Not Meet Requirements<\/h2>

We stop the affected work, separate the affected materials or assemblies, record the issue and confirm the required action before production continues.<\/p><\/div>\r\n\"EBest\r\n

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01<\/span>
Identify and Separate Affected Items<\/b>

We record the issue and separate the affected materials or assemblies from other work.<\/p><\/div><\/div>\r\n

02<\/span>
Check the Affected Quantity and Requirement<\/b>

We identify the affected lot or quantity, the production stage and the requirement that was not met.<\/p><\/div><\/div>\r\n

03<\/span>
Confirm the Required Action<\/b>

If deviation approval, rework, replacement or another customer decision is required, we ask for written confirmation before proceeding.<\/p><\/div><\/div>\r\n

04<\/span>
Complete the Action and Verify the Result<\/b>

We complete the agreed action, inspect the result and record the outcome before work resumes or the products are prepared for shipment.<\/p><\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n

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Quality Requirements for Quotation<\/div>

Send Your Quality Requirements for Review<\/h2>

Send your production files, acceptance criteria, critical features, test requirements and required records. EBest PCBA will check what is complete, identify missing information and list the included inspections, tests and records in the quotation.<\/p>

Request a Quality Review<\/a>Review inspection equipment \u2192<\/a><\/div><\/div>\r\n
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Product files<\/b>Gerber or ODB++, BOM, drawings and assembly data.<\/span><\/div>\r\n
Acceptance criteria<\/b>Applicable IPC class, workmanship limits and customer-specific requirements.<\/span><\/div>\r\n
Critical Features<\/b>Identify fine-pitch components, BGA packages, high-current areas, controlled impedance or other characteristics that require specific checks.<\/span><\/div>\r\n
Test inputs<\/b>Test method, fixtures, firmware, procedures and pass\/fail limits where required.<\/span><\/div>\r\n
Traceability Requirements<\/b>Required lot or serial identifiers, related records, file format and retention period.<\/span><\/div>\r\n
Required Delivery Records<\/b>Inspection reports, test results, photos or other records that must be supplied with the order.<\/span><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n
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Send Your Files for a Quality Requirements Review<\/h2>

Send your Gerber or ODB++, BOM, drawings, acceptance criteria and test requirements. We will review the files, identify missing information and confirm the included inspections, tests and records in the quotation.<\/p><\/div>

Send Project Files<\/a>Discuss Quality Requirements<\/a><\/div><\/div>\r\n<\/section>\r\n
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<\/span>Frequently Asked Questions<\/div>\r\n

PCB & PCBA Quality Control Questions<\/h2>\r\n
Does EBest PCBA provide quality control for PCB manufacturing and PCBA assembly?<\/summary>
Yes. We review quality requirements for PCB fabrication, incoming materials, first articles, PCBA assembly, testing and final inspection. The quotation will state which checks and records are included for your order.<\/div><\/details>\r\n
Can inspection requirements be defined during quotation review?<\/summary>
Yes. Send your files, acceptance criteria, critical features and test requirements with your quotation request. We will confirm the required inspection methods and tell you if any information is missing.<\/div><\/details>\r\n
Do you provide AOI and X-ray inspection?<\/summary>
Yes. AOI or X-ray can be included when suitable for the board design, component packages and inspection requirements. The quotation will confirm the inspection areas, sampling and acceptance criteria.<\/div><\/details>\r\n
What quality records can be provided?<\/summary>
Available records may include incoming inspection, first-article, AOI, X-ray, electrical or functional test, final inspection and traceability information. Tell us the required format, retention period and delivery timing with your quotation request so we can confirm availability.<\/div><\/details>\r\n
How are nonconforming products handled?<\/summary>
We identify and separate the affected materials or assemblies, record the issue and check the affected quantity. If customer approval is required, we request it before completing the agreed action and verifying the result.<\/div><\/details>\r\n
Can production lots and materials be traced?<\/summary>
Yes, when the required identifiers and records are agreed for the quotation. Lot or serial identifiers can be linked to material or component information, production status and inspection records, with the retention period confirmed for the order.<\/div><\/details>\r\n
Can you follow customer-specific acceptance criteria?<\/summary>
Yes. Send your workmanship, inspection, test and reporting requirements with your quotation request. We will review technical feasibility and confirm the accepted requirements in writing before production.<\/div><\/details>\r\n
Can I request an NDA before sending project files?<\/summary>
Yes. You can request an NDA before sharing Gerber, BOM, drawings, test documents or other confidential project information.<\/div><\/details>\r\n<\/div>\r\n<\/section>\r\n<\/main>\n","protected":false},"excerpt":{"rendered":"

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