IP Library › Granted Patent US 7,632,538
Granted Patent B2
US 7,632,538 · App. 11/387,722 · Granted Dec 15, 2009

Method of making coating article including carbon coating on glass

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Quick Facts
Patent No.
US 7,632,538
App. No.
11/387,722
Granted
Dec 15, 2009
Kind
B2
Abstract

A method of making a coated article including a carbon based layer on glass over a low-E coating is provided. Both a low-E coating and a carbon based layer are provided on a glass substrate. The carbon based layer (e.g., DLC) protects the low-E coating.

Claims (8)

1. A method of making a coated article, the method comprising:

having a low-E coating on a glass substrate; and wherein a layer comprising carbon is located over the low-E coating, the layer comprising carbon for protecting the low-E coating, and

the layer comprising carbon burning off during heat treatment.

2. The method of claim 1 , wherein the layer comprising carbon comprises DLC.

3. The method of claim 1 , wherein the layer comprising carbon comprises DLC and has an average density of at least 2.4 gm/cm3.

4. The method of claim 1 , wherein the layer comprising carbon further includes hydrogen.

5. The method of claim 1 , further comprising using the coated article in a window unit.

6. The method of claim 1 , wherein the layer comprising carbon has an average density of at least 2.4 gm/cm3.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 29, 2017
From: GUARDIAN INDUSTRIES CORP.
To: GUARDIAN GLASS, LLC.
Reel/Frame 044053/0318 →