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Trial the actual alloy, surface condition and cleaning residue; compare colour, oxide layer or later welding and bonding behaviour, distinguishing oxidation from residue-related discolouration. Define the oxygen sampling location, analyser delay and calibration method. Test with a real load and after door opening; supply-gas purity cannot substitute for chamber oxygen measurements.

Confirm whether the candidate actually uses RF or another source, then verify required gas, holder and usable treatment space; compare surface outcomes on coupons at different positions. Check power-source frequency, gas paths, electrode arrangement and sample shadowing. Recipes cannot be transferred between RF and other sources by matching power alone.

Customer sample trial baking process verification and risk control：For sample trials, fix sample source and initial state and retain before-and-after material measurements. Retain the material endpoint and sample-temperature window from laboratory trials, and remeasure heating, evacuation, purge and cooling times in the larger chamber.

Key points for selecting customer sample test drying equipment：For sample trials, fix sample source and initial state and retain before-and-after material measurements. Retain the material endpoint and sample-temperature window from laboratory trials, and remeasure heating, evacuation, purge and cooling times in the larger chamber.

Parameter window bottom-up process verification and risk control：For window screening, vary temperature, time or atmosphere around the material endpoint and record unacceptable boundaries. Compare lab and pilot results at the most challenging load positions, then assess accepted output per batch and complete cycle time.

Key points for equipment selection based on the parameter window：For window screening, vary temperature, time or atmosphere around the material endpoint and record unacceptable boundaries. Compare lab and pilot results at the most challenging load positions, then assess accepted output per batch and complete cycle time.

Sample report compilation process verification and risk control：A trial report should link sample IDs, load, raw curves and result images and state limitations. Describe scale-up using usable tray area, part layers, spacing and thermal load per batch; nominal-volume ratios do not directly predict throughput.

Key points for selecting sample report sorting equipment：A trial report should link sample IDs, load, raw curves and result images and state limitations. Describe scale-up using usable tray area, part layers, spacing and thermal load per batch; nominal-volume ratios do not directly predict throughput.