High infrared reflection coatings, thin film coating deposition methods and associated technologies

A first pane having opposed first and second major surfaces, the first pane being part of a multiple-pane insulating glazing unit that includes a second pane, wherein the multiple-pane insulating glazing unit has at least one between-pane space, the multiple-pane insulating glazing unit being mounted such that the first major surface of the first pane is exposed to an outdoor environment, wherein the second major surface of the first pane has a coated interior surface that is exposed to a between-pane space of the multiple-pane insulating glazing unit, said coated interior surface bearing a low-emissivity coating that includes, from said interior surface outward:

• a) a first transparent dielectric film region;
• b) a first infrared-reflection film region;
• c) a second transparent dielectric film region;
• d) a second infrared-reflection film region;
• e) a third transparent dielectric film region;
• f) a third infrared-reflection film region;
• and
• g) a fourth transparent dielectric film region;
• the first, second, and third transparent dielectric film regions each being a single layer of a single transparent dielectric material;
• the first, second, and third infrared-reflection film regions each consisting of silver combined with no more than about 5% of another metal selected from the group consisting of gold, platinum, and palladium;
• the low-emissivity coating comprising one or more nitride or oxynitride films;
• and
• the low-emissivity coating having a sheet resistance of less than 1.4 ohms/square.