Why Semiconductor Parts Require Pre-Shipment Cleaning and Cleanroom Packaging
Even if semiconductor equipment parts meet machining tolerances, residual cutting oil, particles, or fingerprints on the surface can release contaminants when assembled in the customer's clean chamber. Therefore, pre-shipment cleaning and packaging are not an add-on service but part of the part specification. Yuan Shun Li arranges cleaning according to the process sequence before shipment and packages in sealed form. Actual cleaning levels and cleanliness specifications are confirmed against customer requirements.
Position of Cleaning and Packaging in the Machining Process
Cleaning and packaging are not a separate stage but the final step of the machining process. Yuan Shun Li follows the sequence of incoming inspection, in-process inspection, and final pre-shipment inspection. Only after parts pass final inspection do they enter the cleaning and packaging stage. This sequence ensures that only qualified parts are cleaned and sealed, avoiding re-contamination after rework. For buyers, when placing an order, they should confirm with the supplier whether cleaning and packaging are included after final inspection, to avoid confusion with in-process cleaning.
Cleaning and Packaging Items to Clarify Before Placing an Order
Cleaning Level and Cleanliness Specifications
Specify the maximum allowable surface residue after cleaning, such as oil stains, particle count, or ionic contamination level, and include it in the procurement specification.
Cleaning Method and Solvent
Different methods such as ultrasonic cleaning, alcohol wiping, or deionized water rinsing affect subsequent packaging methods and costs.
Packaging Material and Sealing Method
Vacuum bags, nitrogen-filled bags, or double-layer sealed bags each have suitable applications, selected according to the customer's cleanroom class.
Operating Environment and Personnel Protection
Whether cleaning and packaging are performed in a clean work area, and whether operators wear gloves and protective clothing.
Labeling and Batch Traceability
Labels on the packaging must include part number, batch number, and cleaning date to facilitate customer-side warehousing and traceability.
Integration with CNC Machining
The quality of cleaning and packaging depends on whether the upstream machining is controlled in sync. Yuan Shun Li uses appropriate cutting fluids based on material characteristics (aluminum alloy, stainless steel, carbon steel, brass/copper) in processes such as CNC turning, milling, mill-turn, and Swiss-type lathe, reducing the burden on downstream cleaning. When auditing a factory, buyers can ask the supplier to demonstrate the complete flow from machine output to sealed packaging, confirming whether bare parts are exposed and cross-contamination is avoided during the process. This reflects actual cleanliness more accurately than simply looking at cleaning equipment.
Include Cleaning and Packaging Specifications in Your RFQ
Please specify the cleaning level, packaging method, and labeling requirements in your inquiry. We will respond with the cleaning process and quotation based on the actual specifications.