{"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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","research_integrity"],"consensus_categories":[],"category_scores_codex":[0.002372373,0.00110115,0.001640336,0.001317973,0.000720086,0.0001116838,0.002635548,0.000677178,0.0001935794],"category_scores_gemma":[0.0007138913,0.001112889,0.0002782956,0.002154243,0.0005161174,0.0002475151,0.001266283,0.004414787,0.00001990946],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001404465,"about_ca_system_score_gemma":0.001268524,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00011403,"about_ca_topic_score_gemma":0.0006628076,"domain_scores_codex":[0.9929203,0.0003907174,0.001117307,0.001671185,0.001000867,0.002899651],"domain_scores_gemma":[0.9956477,0.0004506376,0.0004176328,0.002890959,0.0003501331,0.0002429214],"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":[0.0004657588,0.001174436,0.05031843,0.0011123,0.003558412,0.0001134899,0.002700377,0.05761861,0.7227397,0.1005258,0.02490637,0.03476636],"study_design_scores_gemma":[0.01256119,0.01211338,0.03986006,0.0007696589,0.001489174,0.0003460923,0.01367135,0.07969458,0.6149322,0.125397,0.08672766,0.01243768],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7033856,0.001330428,0.2829906,0.004672525,0.000663171,0.001145704,0.0002842453,0.00485454,0.0006731431],"genre_scores_gemma":[0.932731,0.0006045019,0.06433831,0.0002210902,0.00005050133,0.001153314,0.00006098289,0.000207084,0.0006331554],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2293454,"threshold_uncertainty_score":0.9991321,"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."}}