High K Low Loss Dielectrics Co‐Fireable with LTCC
Why this work is in the frame
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Bibliographic record
Abstract
Rapid growth in the application of LTCC technology for RF wireless is clearly driven by the trend of miniaturization and mobile communication systems. This technology provides the possibility of integration of passive components in a cost effective way. Heraeus has implemented compatible high permitivity and low loss dielectrics with NPO performance into modified Heraeus CT700 low temperature co‐fired ceramic tape system. The majority of commercially available microwave dielectrics show increasing firing temperatures >200 ° C which make them incompatible with Ag metallizations or show high dielectric loss which limit their usage in RF wireless applications. This development work demonstrates the integration of a low loss, high permittivity ε = 60 dielectric tape into a conventional Ag bearing LTCC structure. The concept of a dual sintering process is introduced and the resultant mechanical benefits with regard to tape fired shrinkage are explained in detail. Permittivity and dielectric loss data at RF for the new structure are presented. These high K and low loss dielectrics along with a comprehensive material system developed by Heraeus will support customers in meeting the challenges of reducing cost and enhancing the performance of RF devices for high frequency applications.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it