1. Mission Statement: Reduce the effect of fixture leakage on leakage data by minimizing the amount of test gas in the space between the o- rings Leakage Test Stand Improvement Marie Rohrbaugh

2. Problem/Current Setup  Vent Between O-rings to eliminate pressure build-up  High Test Gas Concentrated area Vacuum Above Ambient Ambient Pressure Product

3. Stakeholders Interviewed  Rob Bauer  Failure Analysis Engineer  AGT Engineer  Product Engineers  Product support  Operators  Use system

4. Reduce the effect of fixture leakage on leakage data by minimizing the amount of test gas in the space between the o-rings Provide accurate data Reduce the effect of fixture leakage and the probability of saturating o-rings with test gas Avoid false positive for leakage preserve vacuum Provide data in a timely manner Minimize increased cycle time Reduce delay caused by false failures Provide a safe and comfortable work environment for the user User safetyOperator understands process System is controlled transparently by existing software system Minimize cost Minimize cost by balancing initial cost, maintenance cost, and consumable materials Withstand every day use Sturdy and Robust structurally Minimize time between maintenance cycles Maintainable Maintenance plans Maintenance can be accomplished with minimal money and time

5. Affinity Group Customer Objective Description Customer Ranking (1-5) Measure of Effectiveness Provide Accurate Data. Reduce the effect of fixture leakage and probability of saturating o-rings with test gas. 4test data Avoid false positive for leakage6Test Data Preserve Vaccume3proof test Provide Data in a timely Manner Reduce delay caused by false failures 2 Historical records, and comparative data. Minimize increased cycle time5yes or no Safe and easy to use User Safety5 CDR/FMEA (Critical Design Review/Failure Mode Effects Analysis) operator understands process2Training Material System is controlled transparently by existing software system 5yes or no Minimize Cost Minimize cost by balancing initial cost, maintenance cost, and consumable materials 5Cost analysis provided Withstand Everyday Use Sturdy and Robust System4CDR maximize time between maintenance 4CDR Maintainable Maintenance plans4Written yes or no Maintenance can accomplished with minimal money and time 4 CDR and cost of maintenance analyzed Customer Needs Assessment

6. Function Tree

7. Block Diagram

8. Concerns  Metrics  Flow of Nitrogen  Flow of test gas into Vacuum  Interfaces  Existing fixture

9. Questions??