Method for producing a hologram on a curved substrate plate, resulting substrate plate with hologram and a laminate, in particular a vehicle windscreen, containing said substrate plate

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12253827
APP PUB NO 20220397861A1
SERIAL NO

17774589

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method for producing a hologram on a curved substrate plate includes providing a curved substrate plate having a substrate surface, the actual geometry of which is subject to a tolerance deviation with respect to a predetermined desired geometry; providing an inflatable cushion with a cushion surface that can be deformed under the effect of pressure and is preformed into the predetermined desired geometry or with a predetermined deviation therefrom; applying a holographic master in the form of a flexible thin layer to the deformable cushion surface and applying a hologram-recording layer to the substrate surface; pressing or placing the holographic master onto the hologram-recording layer by way of the cushion surface deformed to the actual geometry, thereby achieving full surface-area contact between them with a substantially constant predetermined layer thickness of the hologram-recording layer, and exposing the hologram-recording layer to form a hologram.

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Patent Owner(s)

  • BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pinsker, Martin Bruckberg, DE 5 37
Solchenbach, Tobias Munich, DE 3 1

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