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Extending Life of Thermal Inkjet Printheads for Commercial Applications

2002· article· en· W4378382275 on OpenAlexaff
Xavier Bruch

Bibliographic record

VenueTechnical programs and proceedings/Technical program and proceedings · 2002
Typearticle
Languageen
FieldEngineering
TopicCCD and CMOS Imaging Sensors
Canadian institutionsHewlett-Packard (Canada)
Fundersnot available
KeywordsNozzleOffset (computer science)ThermalComputer scienceReliability (semiconductor)ThroughputInkjet printingMechanical engineeringElectronic engineeringNanotechnologyMaterials scienceEngineeringInkwellTelecommunicationsWirelessPhysics

Abstract

fetched live from OpenAlex

Thermal Inkjet is a relatively new technology compared to other most commonly established in commercial applications like offset or electrostatic. Thermal Inkjet is wrongly viewed as an unreliable technology. It is usually perceived more suitable for low cost home device appliances. In the present paper, we introduce some of the data showing current trends in thermal inkjet performance and life.In the area of nozzle health measurement, noticeable progress has been seen with optical and electrostatic devices capable of measuring a single nozzle in less than 2 ms. Such high throughput enables a higher nozzle health monitoring frequency that helps in understanding how nozzle performance varies with time.Error hiding techniques in multi and single pass printing are also explained along with its potential reliability benefits. Higher nozzle packing capabilities that bring higher printhead resolutions can offer highly reliable systems in single pass printing, very suitable for Commercial Applications.In summary, nozzle health information can be used to improve noticeably error hiding algorithms and to apply better nozzle recovery algorithms, extending effectively printhead life.

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.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: none
Teacher disagreement score0.003
Threshold uncertainty score0.010

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0000.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0030.001

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 head0.025
GPT teacher head0.258
Teacher spread0.233 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreMethods

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations1
Published2002
Admission routes1
Has abstractyes

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