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Excimer laser thin metallic film patterning on polyvinyledene difluoride

Par Conseil national de recherches du Canada

DOITrouver le DOI : https://doi.org/10.1557/PROC-129-399
AuteurRechercher : 1; Rechercher : 1; Rechercher : 1; Rechercher :
Affiliation
  1. Conseil national de recherches du Canada
FormatTexte, Article
Résumé
Tactile sensors and ultrasonic transducers based on the piezoelectric properties of polyvinyledene difluoride, PVF₂, usually take the form of thin 10 - 110 μm polymer films coated on one or both sides with a metallic film. Electrode patterns are usually fabricated by photolithography that requires a 90 °C baking process which may harm the piezoelectric properties of the PVF₂ film. We have developed an alternate method, based on direct patterning with a XeCl laser, yielding complex patterns of lines as narrow as 20 μm which are better than those fabricated by photolithography. The metallic film is ablated on both sides of the polymer while maintaining the intrinsic properties of the PVF₂. The ablation mechanism is investigated using transmission optical, scanning electron, and scanning acoustic microscope images. The performance of an ultrasonic transducer fabricated with this technique is described.
Date de publication
Maison d’éditionCambridge University Press
Materials Research Society
Dans
  • MRS Proceedings 129, 399 (1988).
Langueanglais
Publications évaluées par des pairsOui
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Identificateur de l’enregistrementc8d06851-8f8e-4ece-9d80-cb3f7f37d033
Enregistrement créé2024-03-19
Enregistrement modifié2024-03-19
Date de modification :