| Titre : |
Spin coating of Blu-Ray disks : modeling, experiments, limitations, and manipulation |
| Type de document : |
texte imprimé |
| Auteurs : |
Outi Tammisola, Auteur ; Fredrik Lundell, Auteur ; Georg Hellström, Auteur ; Torgny Lagerstedt, Auteur |
| Année de publication : |
2010 |
| Article en page(s) : |
p. 315-323 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Revêtements:Peinture
|
| Tags : |
'Revêtement spin' 'Disque blu-ray' |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
A major challenge in the production of Blu-Ray Disks (BDs) is making the cover layer over the information area. The layer has to be both thick enough to protect the information and even enough for the information to be read through it optically. Furthermore, it is preferred not to cover the hole in the center of the disk. Spin coating is a candidate method for the production of these layers in a rapid reproduction process. When dispensing is performed off-center (in order not to cover the hole), a new complication appears, namely the formation of a slope toward the inner rim of the liquid film. Here, fundamental limitations for achieving even films in this system and ways to overcome the difficulties by manipulation of the process are studied. A mathematical model for this particular case of spin coating is obtained and validated by comparison with experiments made in industrial equipment aiming at producing BDs. The model agrees well with the experimental data. The model is then used to show that cover layers that fulfil the Blu-Ray specification are very difficult to produce with the spin-coating technique. Manipulation by inline curing and surface shear is added to the model and the results show that it is considerably easier to meet the BD specification when utilizing the manipulation. |
| DOI : |
10.1007/s11998-009-9204-2 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-009-9204-2.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9811 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 7, N° 3 (05/2010) . - p. 315-323
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