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[Audio] LDS/LDV Defect and Contam failure Monitoring tools Urirat S. PRB HDI-1 Update Jun’11 2024.
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[Audio] HDD BE KPOV to KPIV Monitoring proposal Utilized BE parameter predict contamination/defect type by key process for shorten improvement activities. Shift left - Move the detection as early as possible. Ex : Polymer ratio by HDD Asm line LP high FR Key focus contam KPOV LT high FR LP high FR TDP Skin Flake Polymer OpeClr Monitoring by Key contribute Ex : TA ratio by media site Talc RRO/NRRO Hard Particle Defect count PN Media high FR Incoming Media defect Read Error.
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[Audio] LDS/LDV Defect and Contam failure monitoring Objective : Utilized BE parameter predict contamination/defect type by key process for shorten improvement activities. Goal : Early detection to prevent quality failure and yield trigger. Status : Under monitoring and spec validation, plan release CP. Wk52. Next step : Model accuracy enhancement. Current Monitoring/Validation Goal OQA Test P-chart Potential exceeds 3 sigma N=18 N=35 N=5 EC335X MAP4 trigger 3-4% Tribology FR impact Talc Talc Skin Flake Skin Flake Polypropylene (PP).
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[Audio] LDS/LDV Defect and Contam failure monitoring Plan Trigger system and Automation mail report plan release on Wk52. Y2024 Y2025 Wk43 Wk44 Wk45 Wk46 Wk47 Wk48 Wk49 Wk50 Wk51 Wk52 Wk01 Wk02 Wk03 TA defect Tail-end LDS (SZ/PN MP8b) LDV (Same criteria w/LDS) Contam Monitoring LDS by contam type (Skin Flake/Tal/Polymer) LDS Hard particle (Scratch) LDV (Same criteria w/LDS) Plan release on W52 LDS PN MP8b monitoring LDV Dashboard tool Plan release on W52 LDS spec verification/Monitoring LDS spec verification/Monitoring LDV Dashboard tool.
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[Audio] LDS BE contam monitoring visualize by HDE/HSA line Skin Flake/Polymer/Talc contam monitoring by ASM line. Skin Flake Polymer Talc Failure priority ranking by Skin Flake Polymer Talc.
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[Audio] LDS Scratch/Media damage monitoring visualize by HDE/HSA line Pivot scratch OCAP trigger historical Failure no strong correlation with Pivot scratch OCAP trigger. Follow up : Verify if the pivot scratch sampling times are in line with the high FR times? OD ding Pivot scratch OCAP trigger OD ding #26 #24 #23 #25 #27.
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[Audio] Product Item monitoring Link LDS TA defect tail end https://enterprisedevspotfire.wdc.com/spotfire/wp/analysis?file=/Departments/FuncEngAnalytics/_Users/Atitaya_S/LDS%20TA%20Tail%20End/LDS%20TA%20Tail%20End%20monitoring&waid=oKaGg48ALEGxz5hm_5Dsf-09203393b5kn7z&wavid=0 HDC/TDP shift FR monitor Contam type (Skin Flake/Polymer/Talc) https://enterprisedevspotfire.wdc.com/spotfire/wp/analysis?file=/Departments/FuncEngAnalytics/_Users/Titiwatt_K/LDS%20MFG%20Contamination%20Type%20Monitoring&waid=IZmkWW1A7k2PNdfVmF1B8-23054993b5hkF3&wavid=0 Hard particle (Scratch/Ding) LDS MFG Hard Particle Monitoring - Enterprise Development Spotfire (wdc.com).