FPCB magnetic micromirror for laser marking/engraving systems
Bibliographic record
Abstract
<p>The thesis presents the design and development of a novel, rotational micro mirror using Flexible Printed Circuit Boards (FPCB) for the applications in laser marking/engraving system. The use of the new material helps in reducing the overall cost of the laser scanning system when compared to other MEMS based scanners but with higher mirror surface quality. The device mainly caters to applications that require low powered laser (<1watt), small working area (< 20x20mm) and slow scanning speed (2 mm/sec). The scanner consists of two orthogonally positioned quasi static micromirrors which are driven by magnetic lorentz force. Based on the developed laser scanner, a complete laser marking/engraving system was developed which is capable of engraving materials such as leather, TPU smartphone cases, etc. Further, the thesis also addresses a new problem (drifting) associated with the polyimide material used as the substrate for FPCB actuators and a modified vector scanning methodology is proposed to overcome it.</p>
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 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 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
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".