{"id":"W4317381708","doi":"10.1109/eptc56328.2022.10013257","title":"Board Level Life Assessment of Large Body Flip Chip Packages with Smaller Solder ball pitch &amp; Methodologies to improve Board level Reliability","year":2022,"lang":"en","type":"article","venue":"2022 IEEE 24th Electronics Packaging Technology Conference (EPTC)","topic":"Electronic Packaging and Soldering Technologies","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Advanced Micro Devices (Canada)","funders":"","keywords":"Flip chip; Printed circuit board; Temperature cycling; Ball grid array; Soldering; Die (integrated circuit); Chip-scale package; Reliability (semiconductor); Small form factor; Reflow soldering; Quad Flat No-leads package; Automotive engineering; Chip; Mechanical engineering; Engineering; Electronic engineering; Materials science; Electrical engineering; Thermal; Layer (electronics); Power (physics); Composite material","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003537609,0.0004123847,0.0002178043,0.0004620088,0.000112421,0.00025591,0.000265661,0.0004114725,0.001167956],"category_scores_gemma":[0.0005936433,0.0001390906,0.0002353251,0.000262793,0.0001424351,0.0003747284,0.0001776845,0.0001970984,0.0002845774],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002454649,"about_ca_system_score_gemma":0.0001191528,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002890338,"about_ca_topic_score_gemma":0.0004603952,"domain_scores_codex":[0.9997489,0.00004794313,0.0000138336,0.00004268211,0.0001169147,0.00002978174],"domain_scores_gemma":[0.9994676,0.0001250036,0.00008870087,0.00006637195,0.0002286519,0.00002384685],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002176292,0.000135189,0.004852558,0.0002456841,0.00003847103,0.0001219495,0.000131572,0.03044775,0.9306358,0.0002792944,0.0003246723,0.03256945],"study_design_scores_gemma":[0.00001806285,0.005602146,0.03018363,0.0000349871,0.00009017766,0.0003001946,0.0001246136,0.1055893,0.8531861,0.0003350174,0.004490997,0.00004467184],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.943554,0.001161834,0.05239903,0.00004391043,0.0000325726,0.0001045472,0.0004192769,0.0003281445,0.001956582],"genre_scores_gemma":[0.9858251,0.000396823,0.01197528,0.00002292609,0.000007047493,0.00007811409,0.0002436204,0.00004064085,0.001410633],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001167956,"threshold_uncertainty_score":0.003907204,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05218990236667443,"score_gpt":0.3060298975622635,"score_spread":0.253839995195589,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}