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Record W1970873312 · doi:10.1143/jjap.40.6446

Evaluation of Silicide Morphology by Near-Infrared-Laser Optical-Beam-Induced-Current Technique

2001· article· en· W1970873312 on OpenAlex
Tohru Koyama, M. Umeno, Junko Komori, Yoji Mashiko

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.

fundA Canadian funder is recorded on the work.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueJapanese Journal of Applied Physics · 2001
Typearticle
Languageen
FieldEngineering
TopicIntegrated Circuits and Semiconductor Failure Analysis
Canadian institutionsnot available
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsSilicideMaterials scienceOptoelectronicsSchottky diodeInfraredLaserDiodeOpticsSiliconPhysics

Abstract

fetched live from OpenAlex

We found that the near-infrared-laser optical-beam-induced-current (IR-OBIC) technique was very useful for the evaluation of silicide morphology in ultralarge-scale integrated (ULSI) devices. By this technique, it is possible to detect the cohesion points of silicide as two-dimensional images by scanning a near-infrared laser from the back of the chip. The cohesion points appear as bright spots. We confirmed that the number and intensity of bright spots changed according to the extent of cohesion for some different samples upon varying the silicide layer thickness or thermal treatment time after silicide formation. Furthermore, other experiments were performed to clarify the image formation mechanism at cohesion points. It was demonstrated that the electromotive current was generated upon irradiation by the near-infrared-laser, and Schottky junctions were formed at cohesion points. Thus, it was clarified that the images obtained at cohesion points by this technique are a result of the electromotive current generated due to the carriers (electrons or holes) that are excited over the Schottky barrier formed at cohesion points. The IR-OBIC technique can be used to detect the silicide morphology nondestructively without the need to remove the upper layers of the silicide layer. This study reveals a novel application of the IR-OBIC method which is a very useful technique for the evolution of the self-aligned silicide (SALICIDE) process or structure in future ULSIs.

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
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 score0.056
Threshold uncertainty score0.651

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
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)0.0000.000

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 head0.020
GPT teacher head0.256
Teacher spread0.235 · 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