Housing including metal material and electronic device including same

• US 10,674,623 B2
• Filed: 07/26/2019
• Issued: 06/02/2020
• Est. Priority Date: 07/27/2018
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Jeong, Hyunjung, Jang, Youngsoo, Ha, Yunsung, Hwang, Yongwook, Hwang, Changyoun
• Primary Examiner(s): Wilson, Adrian S
• Application Number:
  US16/522,896
• Publication Number:
  US 20200037460A1
• Time in Patent Office: 312 Days
• CPC Class Codes: C23C 28/322 only coatings of metal elements only
• CPC Class Codes: C23C 28/34 including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
• CPC Class Codes: C23C 28/341 with at least one carbide layer
• CPC Class Codes: C23C 28/345 with at least one oxide layer
• CPC Class Codes: C23C 8/20 Carburising
• CPC Class Codes: C23C 8/30 Carbo-nitriding
• CPC Class Codes: C25D 11/022 Anodisation on selected surface areas
• CPC Class Codes: C25D 11/04 of aluminium or alloys based thereon
• CPC Class Codes: C25D 11/18 After-treatment, e.g. pore-sealing
• CPC Class Codes: C25D 11/246 for sealing layers
• CPC Class Codes: C25D 11/30 of magnesium or alloys based thereon
• CPC Class Codes: G06F 1/1635 Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter
• CPC Class Codes: G06F 1/188 Mounting of power supply units
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 9/42 with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
• CPC Class Codes: H04M 1/0262 for a battery compartment
• CPC Class Codes: H04M 1/0283 for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
• CPC Class Codes: H05K 7/02 Arrangements of circuit components or wiring on supporting structure
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A device, a house for the device and a method are disclosed herein. The device includes a first plate, a second plate facing an opposite direction, a side member integrally formed with the second plate, surrounding a space between the first the second plate, and a mid-plate coupled to the side member, extending into the space, the side member further including an aluminum substrate layer formed between a first and second surface exposed within the space, an aluminum oxide layer formed between the first surface and the aluminum substrate layer including multiple pores, a first layer formed conformally between the first surface and the aluminum oxide layer along the multiple pores and a surface of the aluminum oxide layer, the first layer comprising titanium, and a second layer formed on the first layer as to form the first surface, the second layer comprising titanium.

Claims

1. An electronic device, comprising:

a first plate;

a second plate facing an opposite direction relative to the first plate;

a side member coupled to or integrally formed with the second plate, the side member surrounding a space between the first plate and the second plate; and

a mid-plate coupled to or integrally formed with the side member, the mid-plate extending into the space, wherein the side member further comprises;

an aluminum substrate layer formed between a first surface forming a part of an outer surface of the electronic device and a second surface exposed within the space,

an aluminum oxide layer formed between the first surface and the aluminum substrate layer, the aluminum oxide layer comprising multiple pores extending in a direction substantially perpendicular to the first surface,

a first layer formed conformally between the first surface and the aluminum oxide layer along the multiple pores and a surface of the aluminum oxide layer, the first layer comprising titanium, and

a second layer formed on the first layer as to form the first surface, the second layer comprising titanium.

2. The electronic device of claim 1, wherein the second surface is formed on the aluminum substrate layer as an aluminum oxide layer.

3. The electronic device of claim 1, wherein a portion of the mid-plate comprises an aluminum substrate layer, and a conductive member electrically contacts the aluminum substrate layer.

4. The electronic device of claim 1, wherein the first layer is formed of a material comprising at least one of Cr, Ti, Au, or Si.

5. The electronic device of claim 1, wherein the second layer is formed of a material comprising at least one of AuCu, CrN, CrCN, TiN, TiCN, ZrN, ZrCN, CrC, CrCN, TiC, TiCN, ZrC, DLC, Cr, Ti, STS, or Si.

6. A housing for an electronic device, comprising:

a plate forming a surface of the housing; and

a side member arranged along a periphery of the plate so as to form a side surface of the housing, the side member comprising a mid-plate extending from the side surface to an interior space defined at least partly by the plate, wherein the side member comprises;

a nonconductive member forming a first part of the side member,

a substrate layer forming a second part of the side member, the substrate layer formed of an anodizable metal;

an anodizing coating layer including multiple irregular pores formed by oxidation of at least a partial surface of the substrate layer;

a bonding layer formed along a surface of the anodizing coating layer, the surface comprising the multiple irregular pores; and

a deposition layer deposited on the bonding layer so as to fill the multiple irregular pores.

7. The housing of claim 6, wherein the substrate layer is formed of at least one of aluminum or magnesium.

8. The housing of claim 6, wherein the mid-plate includes a pattern formed by partially delaminating the deposition layer and the bonding layer in at least one area.

9. The housing of claim 8, wherein the pattern is formed by a laser engraving or computer numerical control (CNC) process.

10. The housing of claim 8, wherein the pattern includes at least one of an antenna pattern or a conductive printed circuit.

11. The housing of claim 6, wherein at least one of the substrate layer or the anodizing coating layer is exposed to a surface of a remaining area of the mid-plate.

12. The housing of claim 11, wherein a masking is formed in the remaining area of the mid-plate before the anodizing coating layer is formed or before the deposition layer is formed.

13. The housing of claim 6, wherein the substrate layer is exposed to a partial surface of a remaining area of the mid-plate, and the deposition layer is formed on the exposed substrate layer.

14. The housing of claim 13, wherein the deposition layer formed on the exposed substrate layer is electrically coupled to an electronic component.

15. The housing of claim 6, wherein the anodizing coating layer is formed by introducing a second plate and the mid-plate into an electrolyte solution and applying a voltage to the second plate and the mid-plate for operation as an anode.

16. The housing of claim 6, wherein the bonding layer is formed of a material comprising at least one of Cr, Ti, Au, or Si.

17. The housing of claim 6, wherein the deposition layer is formed of a material comprising at least one of AuCu, CrN, CrCN, TiN, TiCN, ZrN, ZrCN, CrC, CrCN, TiC, TiCN, ZrC, DLC, Cr, Ti, STS, or Si.

18. A housing manufacturing method, comprising:

preparing a substrate including a mid-plate formed on a surface and a side surface of a housing, the substrate disposed inside the side surface;

forming an anodizing coating by connecting the substrate to an anode of a power supply and immersing the substrate in an electrolyte solution;

forming a bonding layer along a surface of the anodizing coating, the surface comprising multiple pores; and

filling the pores and forming a deposition layer on the bonding layer.

19. The housing manufacturing method of claim 18, further comprising forming a conductive pattern through laser engraving on at least a partial area of the mid-plate.

20. The housing manufacturing method of claim 18, further comprising removing the anodizing coating from at least a partial area of the mid-plate before formation of the bonding layer.