# US 2014/0193621 A1 · Ceramic-and-plastic composite and electronic device using the composite

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- Number: US 2014/0193621 A1
- Document ID: US20140193621A1
- Status: Published application
- Kind: A1
- Application number: 13/900,672
- Filed: 2013-05-23
- Published: 2014-07-10
- Earliest claimed: 2013-01-07
- Assignees: FIH (Hong Kong) Limited; Shenzhen Futaihong Precision Industry Co., Ltd.
- Applicants: Fih (Hong Kong) Limited; Shenzhen Futaihong Precision Industry Co., Ltd.
- Inventors: SHU-XIANG ZHOU
- Web page: https://patentgrep.com/patent/US20140193621A1

## CPC

- B32B 9/005: {comprising one layer of ceramic material, e.g. porcelain, ceramic tile (layered products with at least two ceramic layers composed mainly of ceramic B32B18/00)}
- H04M 1/0202: {Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets (constructional features of telephone transmitters or receivers, e.g. of speakers or microphones H04M1/03)}
- Y10T 428/24975: No layer or component greater than 5 mils thick
- Y10T 428/264: Up to 3 mils
- Y10T 428/31663: As siloxane, silicone or silane
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A ceramic-and-plastic composite includes a ceramic article, a nano-silicon containing coating bonded on a surface of the ceramic article, a glue layer bonded with the nano-silicon containing coating, and at least a plastic article bonded to the glue layer. The nano-silicon containing coating partially permeates into the ceramic article. An electronic device using the ceramic-and-plastic composite is also described.

## Claims

### Claim 1

A ceramic-and-plastic composite, comprising:
a ceramic article;
a nano-silicon containing coating bonded on a surface of the ceramic article and partially permeating into the ceramic article;
a glue layer bonded with the nano-silicon containing coating; and
at least a plastic article bonded to the glue layer.

### Claim 2 (depends on 1)

The composite as claimed in claim 1, further comprising a silane coupling agent layer formed between the nano-silicon containing coating and the glue layer, the silane coupling agent layer bonding to the nano-silicon containing coating and the glue layer.

### Claim 3 (depends on 2)

The composite as claimed in claim 2, wherein the nano-silicon containing coating is a nano silicon dioxide coating.

### Claim 4 (depends on 3)

The composite as claimed in claim 3, wherein the nano-silicon containing coating comprises a permeating part and a non-permeating part, the permeating part permeates into the ceramic article near the surface of the ceramic article, and the non-permeating part adheres to the surface of the ceramic article.

### Claim 5 (depends on 4)

The composite as claimed in claim 4, wherein the permeating part has a thickness of about 1 μm to about 3 μm, the non-permeating part has a thickness of about 1 μm to about 3 μm.

### Claim 6 (depends on 2)

The composite as claimed in claim 2, wherein the silane coupling agent layer comprises epoxy groups, the glue layer comprises amino functional groups, the epoxy groups react with the amino functional groups forming a crosslinked structure at the interface of the silane coupling agent layer and the glue layer.

### Claim 7 (depends on 4)

The composite as claimed in claim 4, wherein the non-permeating part of the nano-silicon containing coating comprises Si—OH groups at the surface of the non-permeating part, the silane coupling agent layer also comprises Si—OH groups, the Si—OH groups of the nano-silicon containing coating condensation react with the Si—OH groups of the silane coupling agent and form Si—O—Si groups at the interface of the silane coupling agent layer and the nano-silicon containing coating.

### Claim 8 (depends on 1)

The composite as claimed in claim 1, wherein the glue layer has a thickness of about 38 μm to about 52 μm.

### Claim 9

An electronic device, comprising:
a main body; and
a ceramic-and-plastic composite assembling with the main body, the ceramic-and-plastic composite comprising:
a ceramic article;
a nano-silicon containing coating bonded on a surface of the ceramic article and partially permeating into the ceramic article;
a glue layer bonded with to the nano-silicon containing coating; and
at least a plastic article bonded to the glue layer.

### Claim 10 (depends on 9)

The electronic device as claimed in claim 9, further comprising a silane coupling agent layer formed between the nano-silicon containing coating and the glue layer, the silane coupling agent layer bonding to the nano-silicon containing coating and the glue layer.

### Claim 11 (depends on 10)

The electronic device as claimed in claim 10, wherein the nano-silicon containing coating is a nano silicon dioxide coating.

### Claim 12 (depends on 11)

The electronic device as claimed in claim 11, wherein the nano-silicon containing coating comprises a permeating part and a non-permeating part, the permeating part permeates in the ceramic article near the surface of the ceramic article, and the non-permeating part adheres to the surface of the ceramic article.

### Claim 13 (depends on 12)

The electronic device as claimed in claim 12, wherein the permeating part has a thickness of about 1 μm to about 3 μm, the non-permeating part has a thickness of about 1 μm to about 3 μm.

### Claim 14 (depends on 10)

The electronic device as claimed in claim 10, wherein the silane coupling agent layer comprises epoxy groups, the glue layer comprises amino functional groups, the epoxy groups react with the amino functional groups forming a crosslinked structure at the interface of the silane coupling agent layer and the glue layer.

### Claim 15 (depends on 12)

The electronic device as claimed in claim 12, wherein the non-permeating part of the nano-silicon containing coating comprises Si—OH groups at the surface of the non-permeating part, the silane coupling agent layer also comprises Si—OH groups, the Si—OH groups of the nano-silicon containing coating condensation react with the Si—OH groups of the silane coupling agent and form Si—O—Si groups at the interface of the silane coupling agent layer and the nano-silicon containing coating.

### Claim 16 (depends on 9)

The electronic device as claimed in claim 9, wherein the glue layer has a thickness of about 38 μm to about 52 μm.

### Claim 17

A ceramic-and-plastic composite, comprising:
a ceramic article; and
at least a plastic article integrally coupled to the ceramic article;
wherein the composite further comprises a nano-silicon containing coating formed on and coupled to the ceramic article, a silane coupling agent layer bonded with the nano-silicon containing coating, and a glue layer bonded with the silane coupling agent layer, the nano-silicon containing coating partially permeates into the ceramic article, the at least a plastic article directly bonds with the glue layer.
