Semiconductor hardware is often sensitive to particles, trapped residue, cosmetic damage, and handling marks. Procurement teams get better quote clarity when they convert general cleanliness expectations into concrete part, packaging, and documentation requirements.
Define surface-critical zones
Mark sealing faces, vacuum-contact areas, polished zones, threaded gas paths, and any region where scratches or embedded contamination would create downstream risk. A note that the whole part must be “clean” is rarely specific enough for quoting or inspection.
Describe contamination concerns in practical terms
State whether burr control, media exclusion, residue-sensitive cleaning, glove handling, capped ports, or segregated packaging are required. If certain chemistries, tapes, oils, or marking methods are restricted, include those restrictions directly in the RFQ package.
Match acceptance records to the application
Request only the evidence that receiving inspection can actually use, such as visual condition criteria, recorded dimensions on critical surfaces, or material identity records. Clear acceptance language helps avoid arguments over cosmetic condition after the parts have already moved through shipping and unpacking.
RFQ decision table
| Decision area | What to make explicit |
|---|---|
| Define surface-critical zones | Mark sealing faces, vacuum-contact areas, polished zones, threaded gas paths, and any region where scratches or embedded contamination would create downstream risk. A note that the whole part must be “clean” is rarely specific enough for quoting or inspection. |
| Describe contamination concerns in practical terms | State whether burr control, media exclusion, residue-sensitive cleaning, glove handling, capped ports, or segregated packaging are required. If certain chemistries, tapes, oils, or marking methods are restricted, include those restrictions directly in the RFQ package. |
| Match acceptance records to the application | Request only the evidence that receiving inspection can actually use, such as visual condition criteria, recorded dimensions on critical surfaces, or material identity records. Clear acceptance language helps avoid arguments over cosmetic condition after the parts have already moved through shipping and unpacking. |
Official source notes
These sources support the adjacent technical principles. They do not certify ProtoRFQ or replace the standard edition named in the buyer drawing.
- Surface Cleanliness Standard for Fluid SystemsNASA Stennis Space Center · cleanliness levels, handling, protection, contamination control, and inspection
- ISO 21920-1:2021 Surface texture indicationISO · surface texture indication in technical product documentation