Aufzeichnungsmediumsubstrat und Aufzeichnungsmedium
Anmelder: CANON KABUSHIKI KAISHA 🇯🇵
Details
- Veröffentlichungs-Nr.
- EP3482965
- Aktenzeichen
- EP18205090
- Anmeldetag
- 8. November 2018
- Veröffentlichung
- 9. März 2022
- Erteilung
- 9. März 2022
- Rechtsraum
- EP
- IPC
- B41M5/52B41M5/50B41M5/41// B41M5/42B32B27/10D21H19/10
Abstract
A recording medium substrate in an aspect of the present invention is a recording medium substrate having a base paper and a stretched film layer on the base paper, wherein the stretched film layer has a thickness of 70 µm or more, and the recording medium substrate has an average surface roughness of 0.3 µm or less. A recording medium in another aspect of the present invention includes a recording medium substrate, a first ink receiving layer on the recording medium substrate, and a second ink receiving layer on the first ink receiving layer, wherein the first ink receiving layer is in contact with the second ink receiving layer, the first ink receiving layer contains an alumina hydrate and a hydroxy acid, the second ink receiving layer contains an alumina hydrate and a sulfonic acid.
Anmelder
- Firma
- CANON KABUSHIKI KAISHA
- Land
- 🇯🇵 Japan
Japanischer Konzern mit Sitz in Tokio, der Kameras, Objektive, Drucker, Kopiergeräte sowie optische und medizinische Bildgebungstechnik entwickelt und herstellt.
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