IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0798920
(2007-05-17)
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등록번호 |
US-8132426
(2012-03-13)
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발명자
/ 주소 |
- Petrmichl, Rudolph Hugo
- Wang, Jiangping
- Murphy, Nestor P.
- Frati, Maximo
- Nunez-Regueiro, Jose
|
출원인 / 주소 |
- Guardian Industries Corp.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
36 |
초록
▼
There is provided a method of making a heat treated (HT) coated article to be used in shower door applications, window applications, or any other suitable applications where transparent coated articles are desired. For example, certain embodiments of this invention relate to a method of making a coa
There is provided a method of making a heat treated (HT) coated article to be used in shower door applications, window applications, or any other suitable applications where transparent coated articles are desired. For example, certain embodiments of this invention relate to a method of making a coated article including a step of heat treating a glass substrate coated with at least a layer of or including diamond-like carbon (DLC) and an overlying protective film thereon. In certain example embodiments, the protective film may be of or include both (a) an oxygen blocking or barrier layer, and (b) a release layer. Following and/or during heat treatment (e.g., thermal tempering, or the like) the protective film may be removed. Other embodiments of this invention relate to the pre-HT coated article, or the post-HT coated article.
대표청구항
▼
1. A method of making a heat treated coated article, the method comprising: having a glass substrate with at least one layer comprising diamond-like carbon (DLC) on the glass substrate and a protective film on the glass substrate over at least the layer comprising DLC, the protective film including
1. A method of making a heat treated coated article, the method comprising: having a glass substrate with at least one layer comprising diamond-like carbon (DLC) on the glass substrate and a protective film on the glass substrate over at least the layer comprising DLC, the protective film including a release layer from 100-1,000 Å thick and an oxygen barrier layer, the release layer and the oxygen barrier layer being of different material and/or different stoichiometry relative to each other and the release layer being between at least the layer comprising DLC and the oxygen barrier layer, and wherein the oxygen barrier layer comprises aluminum nitride;heat treating the glass substrate with the layer comprising DLC and the protective film thereon so that during the heat treating the protective film prevents significant burnoff of the layer comprising DLC, wherein the heat treating comprises heating the glass substrate to temperature(s) sufficient for thermal tempering, heat strengthening, and/or heat bending; andexposing the protective film to a release liquid and removing at least part of the protective film during and/or after said heat treating. 2. The method of claim 1, wherein the release layer comprises an oxide of one or more of boron, titanium boride, magnesium and/or zinc. 3. The method of claim 1, wherein the release layer comprises an oxide of Zn and/or Mg. 4. The method of claim 3, wherein the release layer comprises a suboxide of Zn and/or Mg. 5. The method of claim 1, wherein the oxygen barrier layer consists essentially of aluminum nitride. 6. The method of claim 1, wherein the release layer comprises zinc oxide. 7. The method of claim 1, wherein the release layer consists essentially of zinc oxide which optionally may be doped with aluminum. 8. The method of claim 1, wherein, in the protective film, the release layer is more metallic than is the oxygen barrier layer. 9. The method of claim 1, wherein the release layer comprises zinc oxide that is oxidation graded in a continuous or non-continuous manner prior to the heat treating so that prior to the heat treating the layer has more oxygen at a location further from the layer comprising DLC than at a location closer to the layer comprising DLC. 10. The method of claim 1, wherein the layer comprising DLC is formed via an ion beam. 11. The method of claim 1, wherein the protective film is at least partially formed via sputtering. 12. The method of claim 1, further comprising forming a barrier layer comprising silicon oxide and/or silicon nitride on the glass substrate so as to be located between at least the glass substrate and the layer comprising DLC. 13. The method of claim 1, wherein the heat treating comprises heating the glass substrate with the layer comprising DLC and the protective film thereon using at least temperature(s) of at least 550 degrees C. 14. The method of claim 1, wherein the heat treating comprises heating the glass substrate with the layer comprising DLC and the protective film thereon using at least temperature(s) of at least 580 degrees C. 15. The method of claim 1, wherein the layer comprising DLC comprises amorphous DLC and has more sp3 carbon-carbon bonds than sp2 carbon-carbon bonds. 16. The method of claim 1, wherein the layer comprising DLC has an average hardness of at least 10 GPa. 17. The method of claim 1, wherein the layer comprising DLC has an average hardness of at least 20 GPa. 18. The method of claim 1, wherein the layer comprising DLC has a density of at least about 2.7 gm/cm3, and wherein the layer comprising DLC is hydrogenated. 19. The method of claim 1, wherein the layer comprising DLC is hydrogenated. 20. The method of claim 1, wherein the coated article is substantially transparent and is adapted to be used as a shower door. 21. The method of claim 1, wherein after said removing step at least part of the layer comprising DLC is exposed so as to be an outermost layer of the coated article. 22. A method of making a heat treated coated article, the method comprising: having a glass substrate with at least one layer comprising diamond-like carbon (DLC) on the glass substrate and a protective film on the glass substrate over at least the layer comprising DLC, the protective film including a release layer and an oxygen barrier layer, wherein the release layer comprises zinc oxide and the oxygen barrier layer comprises aluminum nitride; andheat treating the glass substrate with the layer comprising DLC and the protective film thereon so that during the heat treating the protective film prevents significant burnoff of the layer comprising DLC, wherein the heat treating comprises heating the glass substrate to temperature(s) sufficient for thermal tempering, heat strengthening, and/or heat bending.
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