Method of making vehicle windshield using coating mask
AssigneeCentre Luxembourgeois de Recherches pour le Verre et al Ceramique S.A. (C.R.V.C.)
InventorBernd Disteldorf
Life of this patent
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Abstract
A water soluble mask is formed on a substrate. Thereafter, a coating (e.g., low-E coating) is formed on the substrate in at least one select area over the mask and in at least one area where the mask is not provided. After the coating has been formed, water is used to remove the mask and a portion of the coating formed thereon in order to form a partially coated substrate. The technique may be used in applications such as in the making of vehicle windshields, or the like.
Claims23
A method of making a vehicle windshield, the method comprising:
- providing a glass substrate;
- silk-screen printing a water soluble ceramic paste mask onto at least one select area of the substrate, the water soluble ceramic paste mask comprising an organic portion and a ceramic portion wherein an organic:ceramic ratio of the respective portions by weight is from about 3:1 to 1:1 when the ceramic paste mask is initially silk-screen printed onto the substrate;
- drying the water soluble ceramic paste mask;
- after drying the water soluble ceramic paste mask, sputtering a multi-layer low-E coating onto the substrate so that the low-E coating is provided over the mask in the at least one select area where the mask is provided and directly on the substrate in an area where the mask is not provided;
- removing the mask and a portion of the low-E coating provided thereon from the select area of the substrate, but not from the area of the substrate where the mask was not provided, using at least water at a temperature of no greater than 60 degrees C. thereby forming a partially coated substrate;
- and
- laminating the partially coated substrate to another substrate in forming the vehicle windshield.
A method of making a vehicle windshield, the method comprising:
- providing a substrate;
- forming a water soluble ceramic paste mask on at least one select area of the substrate, the water soluble ceramic paste mask comprising an organic portion and a ceramic portion wherein the organic:ceramic ratio of the portions by weight is from about 3:1 to 1:1 when the ceramic paste mask is initially deposited onto the substrate;
- after forming the mask, sputtering a multi-layer coating onto the substrate so that the coating is provided over the mask in the at least one select area where the mask is provided and the coating is provided directly on the substrate in an area where the mask is not provided;
- removing the mask and a portion of the coating provided thereon from the select area of the substrate, but not from the area of the substrate where the mask was not provided, using at least water thereby forming a partially coated substrate;
- and
- laminating the partially coated substrate to another substrate in forming the vehicle windshield.
A method of making a coated article, the method comprising:
- providing a substrate;
- forming a water soluble ceramic paste mask on at least one select area of the substrate, the water soluble ceramic paste mask comprising an organic portion and a ceramic portion wherein an organic:ceramic ratio of the respective portions by weight is from about 3:1 to 1:1 when the ceramic paste mask is initially deposited onto the substrate;
- after forming the mask, forming a coating on the substrate so that the coating is provided over the mask in the at least one select area where the mask is provided and the coating is provided directly on the substrate in an area where the mask is not provided;
- and
- removing the mask and a portion of the coating provided thereon from the select area of the substrate, but not from the area of the substrate where the mask was not provided, thereby forming a coated article including a partially coated substrate.
A water soluble sputtering mask for preventing a portion of a sputtered coating from directly contacting a substrate on which the sputtering mask is provided, the water soluble sputtering mask comprising:
- an organic portion and a ceramic portion, and
- wherein an organic:ceramic ratio of the respective portions by weight is from about 3:1 to 1:1 when the water soluble sputtering mask is initially deposited onto the substrate.
A method of making a coated article, the method comprising:
- providing a glass substrate;
- depositing a water soluble ceramic mask onto at least one select area of the substrate, the water soluble ceramic mask comprising an organic portion;
- after drying of the water soluble ceramic mask, sputtering a multi-layer coating onto the substrate so that the coating is provided over the mask in the at least one select area where the mask is provided and directly on the substrate in an area where the mask is not provided;
- removing the mask and a portion of the coating provided thereon from the select area of the substrate, but not from the area of the substrate where the mask was not provided, using at least water at a temperature of no greater than 60 degrees C. thereby forming a partially coated substrate.
Dependencies are inferred from the claim text.