Method for fabricating an electrically heatable coated transparency
First Claim
Patent Images
1. A method for fabricating an electrically heatable coated transparency comprising the steps of:
- a. sputtering a metal cathode target comprising zinc and tin in a reactive atmosphere comprising oxygen thereby depositing a first transparent antireflective zinc/tin oxide film on a surface of a transparent substrate;
b. sputtering a metal-containing primer layer on said antireflective zinc/tin oxide film;
c. sputtering an infrared reflective electroconductive metallic film over said metal-containing primary layer;
d. sputtering a metal-containing primer layer over said infrared reflective electroconductive metallic film;
e. sputtering a second metal oxide film over said metal-containing primer layer to produce an electroconductive multilayer coating; and
f. applying first and second bus bars to said substrate in contact with said coating.
5 Assignments
0 Petitions
Accused Products
Abstract
A method for fabricating an electrically heatable coated transparency, particularly useful as a vehicle windshield, is disclosed. The method involves sputtering on a substrate surface layers of metal oxide, metal-containing primer, infrared reflective metal, metal-containing primer and metal oxide to produce an electroconductive coating, and applying first and second bus bars to the substrate in contact with the coating.
122 Citations
8 Claims
-
1. A method for fabricating an electrically heatable coated transparency comprising the steps of:
-
a. sputtering a metal cathode target comprising zinc and tin in a reactive atmosphere comprising oxygen thereby depositing a first transparent antireflective zinc/tin oxide film on a surface of a transparent substrate; b. sputtering a metal-containing primer layer on said antireflective zinc/tin oxide film; c. sputtering an infrared reflective electroconductive metallic film over said metal-containing primary layer; d. sputtering a metal-containing primer layer over said infrared reflective electroconductive metallic film; e. sputtering a second metal oxide film over said metal-containing primer layer to produce an electroconductive multilayer coating; and f. applying first and second bus bars to said substrate in contact with said coating. - View Dependent Claims (2, 3, 4)
-
-
5. A method for fabricating an electrically heatable coated laminated transparency comprising the steps of:
-
a. placing a transparent nonmetallic substrate in a sputtering chamber; b. sputtering zinc and tin in a reactive atmosphere comprising oxygen to deposit a first transparent metal alloy oxide film on a surface of said substrate; c. sputtering titanium in an oxidizing atmosphere to deposit titanium oxide and then sputtering titanium in an inert atmosphere to deposit titanium to form a primer layer on said oxide film; d. sputtering a silver cathode target in an inert atmosphere to deposit a transparent silver film on said primer layer; e. sputtering titanium to deposit a second titanium-containing primer layer on said silver film; f. sputtering zinc and tin in a reactive atmosphere comprising oxygen to deposit a second metal alloy oxide film on said second titanium-containing primer layer to produce an electroconductive multilayer coating; g. applying first and second bus bars to said substrate in contact with said coating; and h. laminating the coated transparent substrate with a second transparent substrate. - View Dependent Claims (6, 7, 8)
-
Specification