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Record W4285102986 · doi:10.1109/ectc51906.2022.00105

Characterization of Non-Conductive Paste Materials (NCP) for Thermocompression Bonding in a Direct Bonded Heterogeneously Integrated (DBHi) Si- Bridge Package

2022· article· en· W4285102986 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

Venue2022 IEEE 72nd Electronic Components and Technology Conference (ECTC) · 2022
Typearticle
Languageen
FieldEngineering
TopicElectronic Packaging and Soldering Technologies
Canadian institutionsIBM (Canada)
Fundersnot available
KeywordsMaterials scienceSolderingDirect bondingBridge (graph theory)SiliconElectrical conductorCharacterization (materials science)Thermocompression bondingComposite materialThrough-silicon viaIntegrated circuit packagingStress (linguistics)Joint (building)NanotechnologyStructural engineeringOptoelectronicsIntegrated circuitLayer (electronics)Engineering

Abstract

fetched live from OpenAlex

Direct Bonded Heterogeneous Integrated (DBHi) silicon-bridge packages use known standard bond and assembly processes but require special considerations with regards to the selection of bonding materials for the bridge chip. The DBHi chip-bridge subassemblies are prepared using thermocompression bonding (TCB) with non conductive paste (NCP). In this study, we identified that the NCP encapsulated micro joints in the DBHi silicon-bridge structure are under a unique stress condition through assembling experiments and thermomechanical analysis. We evaluated and compared the properties of different NCP materials using the test vehicles specially designed to emulate the unique stress condition. We demonstrated a reliable micro solder joint structure by selecting a NCP material showing optimal chemical reaction processes and by methodically designing the bonding conditions to mitigate the fracture failures of the solder joints in the DBHi silicon-bridge.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.012
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.015
GPT teacher head0.226
Teacher spread0.211 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it