Amorphous oxide film and article having such film thereon

• US 5,399,435 A
• Filed: 01/16/1992
• Issued: 03/21/1995
• Est. Priority Date: 03/03/1988
• Status: Expired due to Fees

• Current Assignee: Asahi Glass Company, Limited (AGC, Inc.)
• Original Assignee: Asahi Glass Company, Limited (AGC, Inc.)
• Inventors: Suzuki, Koichi, Suzuki, Susumu, Ebisawa, Junichi, Ando, Eiichi
• Primary Examiner(s): Loney, Donald J.
• Application Number:
  US07/821,448
• Time in Patent Office: 1,160 Days
• Field of Search: 427/126.8, 427/419.1, 427/419.2, 428/418, 428/426, 428/427, 428/432, 428/446, 428/469, 428/422, 428/689, 428/697, 428/702, 428/204, 428/908.8, 428/701, 428/697, 428/428, 428/472, 428/212, 428/450
• US Class Current: 428/428
• CPC Class Codes: B32B 17/10174 Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
• CPC Class Codes: B32B 27/06 as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08
• CPC Class Codes: C03C 17/23 Oxides C03C17/02 takes precedence
• CPC Class Codes: C03C 17/245 by deposition from the vapour phase
• CPC Class Codes: C03C 17/25 by deposition from the liquid phase
• CPC Class Codes: C03C 17/3417 all coatings being oxide coatings
• CPC Class Codes: C03C 17/3435 comprising a nitride, oxynitride, boronitride or carbonitride
• CPC Class Codes: C03C 17/3482 comprising silicon, hydrogenated silicon or a silicide
• CPC Class Codes: C03C 17/3488 comprising a boride or phosphide
• CPC Class Codes: C03C 17/36 at least one coating being a metal
• CPC Class Codes: C03C 17/3605 Coatings of the type glass/metal/inorganic compound
• CPC Class Codes: C03C 17/3613 Coatings of type glass/inorganic compound/metal/inorganic compound/metal/other
• CPC Class Codes: C03C 17/3618 Coatings of type glass/inorganic compound/other inorganic layers, at least one layer being metallic
• CPC Class Codes: C03C 17/3639 Multilayers containing at least two functional metal layers
• CPC Class Codes: C03C 17/3644 the metal being silver
• CPC Class Codes: C03C 17/3652 the coating stack containing at least one sacrificial layer to protect the metal from oxidation
• CPC Class Codes: C03C 17/3657 the multilayer coating having optical properties
• CPC Class Codes: C03C 17/3681 the multilayer coating being used in glazing, e.g. windows or windscreens
• CPC Class Codes: C03C 17/38 at least one coating being a coating of an organic material
• CPC Class Codes: C03C 17/42 at least one coating of an organic material and at least one non-metal coating
• CPC Class Codes: C03C 2217/213 : SiO2
• CPC Class Codes: C03C 2217/229 : Non-specific enumeration
• CPC Class Codes: C03C 2217/23 : Mixtures
• CPC Class Codes: C03C 2217/242 : with rare earth metals
• CPC Class Codes: C03C 2217/78 : Coatings specially designed to be durable, e.g. scratch-resistant
• CPC Class Codes: C03C 2218/11 : from solutions or suspensions
• CPC Class Codes: C03C 2218/15 : from the vapour phase
• CPC Class Codes: C03C 2218/154 : by sputtering
• CPC Class Codes: C23C 14/08 : Oxides C23C14/10 takes precedence
• CPC Class Codes: C23C 14/3414 : Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
• CPC Class Codes: G02B 1/10 : Optical coatings produced by application to, or surface treatment of, optical elements G02B1/08 takes precedence
• CPC Class Codes: G02B 1/105 : Protective coatings
• CPC Class Codes: G02B 1/14 : Protective coatings, e.g. hard coatings
• CPC Class Codes: Y02T 10/90 : Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof
• CPC Class Codes: Y10T 428/31678 : Of metal

Abstract

An amorphous oxide film composed essentially of an oxide containing at least one member selected from the group consisting of Zr, Ti, Hf, Sn, Ta and In and at least one member selected from the group consisting of B and Si.

Claims

1. An article with high durability, which comprises a glass substrate and an amorphous oxide film consisting essentially of an oxide containing Zr and Si (ZrSi_z O_y), wherein the atomic ratio z of Si to Zr is 0.05≦

z<

19, and the atomic ratio y of O to Zr is 2.1≦

y<

40.

2. The article of claim 1, further comprising a heat radiation reflecting film located between said glass substrate and said amorphous oxide film.

3. The article with high durability according to claim 2, wherein the amorphous oxide layer has a refractive index of at most 2.0.

4. The article of claim 2, further comprising a transparent dielectric film, located between said glass substrate and said heat radiation reflecting film.

5. The article with high durability according to claim 4, wherein the amorphous oxide layer has a refractive index of at most 2.0.

6. The article with high durability according to claim 1, wherein a total of 2n+1 coating layer (n≧

1) including a transparent oxide layer as the 2n+1 layer (n≧

0) and a silver layer as the 2n layer (n≧

1) are formed on the substrate, and the amorphous oxide layer is formed on the outermost layer of said 2n+1 coating layers.

7. The article with high durability according to claim 1 wherein one layer of the amorphous oxide film is formed on one side or each side of the substrate.