Process to apply heater function to plastic substrate
First Claim
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1. A process to apply a heater function onto a plastic substrate with a first surface reflectively coated and a second surface, the method comprising the steps of:
- inserting the plastic substrate as formed from a dielectric material into a sputtering process chamber;
cleaning the second surface of the substrate by a dry etching step;
preparing a copper target in a sputtering process chamber in a pre step;
sputtering copper onto the second surface;
removing the layered substrate from the sputtering process chamber; and
inscribing tracks onto the second surface of the layered substrate with a laser beam.
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Abstract
The invention is related to a process to apply a heater function to a plastic glass that was made of a polycarbonate. The process includes a sputtering process that allows producing high performance heater function on a plastic glass. Another aspect of the invention is the plastic glass mirrors produced by the inventive process.
6 Citations
7 Claims
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1. A process to apply a heater function onto a plastic substrate with a first surface reflectively coated and a second surface, the method comprising the steps of:
- inserting the plastic substrate as formed from a dielectric material into a sputtering process chamber;
cleaning the second surface of the substrate by a dry etching step;
preparing a copper target in a sputtering process chamber in a pre step;
sputtering copper onto the second surface;
removing the layered substrate from the sputtering process chamber; and
inscribing tracks onto the second surface of the layered substrate with a laser beam. - View Dependent Claims (2, 3, 4, 5, 6)
- inserting the plastic substrate as formed from a dielectric material into a sputtering process chamber;
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7. A method to produce a heatable rear view mirror, comprising the steps:
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providing a plastic substrate having a first surface, a second surface, and at least two molded noses; applying a reflective layer on the first surface; applying copper onto the second surface and the at least two molded noses using a sputtering process to provide a copper layer on the second surface and the two molded noses; inscribing tracks into the copper layer with a laser beam to form electrodes; applying a hard coating process on the substrate; and electrically connecting the at least two noses with an electrical source.
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Specification
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Current AssigneeSMR Patents Sarl (SMR Patents)
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Original AssigneeSMR Patents Sarl (SMR Patents)
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InventorsBenoit, Gilles, Manzeh, Farid, Laloup, Christophe
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Primary Examiner(s)MCDONALD, RODNEY GLENN
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Application NumberUS12/908,319Publication NumberTime in Patent Office1,462 DaysField of Search204/192.14, 204/192.15, 204/192.26, 204/192.27, 204/192.28, 204/192.3, 204/192.32, 216/94, 216/100US Class Current204/192.14CPC Class CodesH05B 2203/017 Manufacturing methods or ap...H05B 3/84 Heating arrangements specia...
