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Record W4416877024 · doi:10.37665/smhnlqa32276

Board-Level Optronics Assembly and Packaging

2001· article· W4416877024 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

VenueSMTA International · 2001
Typearticle
Language
FieldEngineering
TopicSpace Technology and Applications
Canadian institutionsHain Celestial (Canada)
Fundersnot available
KeywordsOptical fiberOptical powerFusion splicingOptical engineeringReliability (semiconductor)SolderingComponent (thermodynamics)Distortion (music)Optical cross-connectPhotonics

Abstract

fetched live from OpenAlex

ABSTRACT In recent years there has been a growth in the optronic (optical, photonic and optoelectronic or OE) content of board-level assemblies, particularly for telecom applications. This trend is likely to accelerate and widen to high speed datacom applications. Examples of optical components include passives, such as couplers, isolators and filters, and active components, including laser transmitters, transceivers and optical amplifiers. These components are typically “pig-tailed” with one or more lengths of optical fiber for optical coupling, and electrical socket or solder interconnects for the OE actives. Assembly and test with these components presents several challenges. Optical fiber requires careful handling to avoid entanglement, damage and maintain required bend radii. Fusion splicing of fiber involves a sequence of manual operations, several of which are critical to the quality of the splice. OE components are often expensive and incompatible with solder reflow temperatures because of distortion of the adhesive bonding materials used to maintain the alignment of the optical elements inside the package. Optical testing involves measurement of power output, insertion loss and for modulated signals, parameters such as extinction ratio and bit error rate. The ability to test and diagnose defects in complex optical networks depends on the repeatability of test equipment, component performance and optical connectors, which are prone to contamination. This paper describes the issues facing the board-level assembler, offers some practical solutions and discusses trends in OE component packaging and assembly.

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: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.635
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

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

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 head0.022
GPT teacher head0.266
Teacher spread0.244 · 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