CN104837309B - A kind of black ceramic part for electronic equipment and preparation method thereof - Google Patents
A kind of black ceramic part for electronic equipment and preparation method thereof Download PDFInfo
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- CN104837309B CN104837309B CN201510179555.1A CN201510179555A CN104837309B CN 104837309 B CN104837309 B CN 104837309B CN 201510179555 A CN201510179555 A CN 201510179555A CN 104837309 B CN104837309 B CN 104837309B
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Abstract
The invention provides a kind of black ceramic part for electronic equipment, it is in black that the ceramic component (100) is overall, the ceramic component (100) includes a ceramic body (200), and the ceramic body (200) possesses the non-conducting portion (300) of black.Present invention also offers the method for preparing above-mentioned black ceramic part in addition.The present invention uses manganese oxide powder vacuum-sintering together with ceramic body, so that the material that gasification is penetrated into ceramic body is the manganese oxide of black, rather than the graphite of black, the black ceramic part thus obtained is in integrally black, and this black ceramic part is nonconducting in itself, electronic device will not thus be had adverse effect on applied to electronic equipment, the advantages of intensity and hardness, good feel, lighter quality that it is better than metal can be played, avoid existing black ceramic part by it is conductive after carbusintering the defects of.
Description
Technical field
The present invention relates to a kind of electronic equipment part, especially a kind of black ceramic part and its system for electronic equipment
Preparation Method.
Background technology
The electronic equipment of such as mobile phone etc is very universal using ceramic component, is set for example with ceramics as electronics
Standby bonnet, cover plate of electronic device etc..Ceramic component has the advantages of intensity and high hardness, and has splendid touch hand
Sense.Compared to existing plastics and metal parts, the requirement frivolous particularly suitable for meeting electronic equipment.
The A of CN 103833355 disclose a kind of black ceramic, and the hard of zirconia ceramics is improved by way of carbusintering
Degree.The A of CN 1566021 disclose a kind of preparation method of black zirconia ceramics, make oxygen again by the mode of carbusintering
Change zircon ceramic discoloration, to improve the mechanical index such as the hardness of zirconium oxide ceramic component, intensity.What above-mentioned prior art was solely focused on
The mechanical performance of ceramic component, do not account for by this black ceramic be applied to electronic equipment on the problems of.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of black ceramic part for electronic equipment, to reduce or keep away
The problem of exempting to be formerly mentioned.
In order to solve the above technical problems, the present invention proposes a kind of black ceramic part for electronic equipment, the pottery
Porcelain part is in integrally black, and the ceramic component includes a ceramic body, and the ceramic body possesses the non-conductive portion of black
Point.
Preferably, the ceramic body is further equipped with the current-carrying part of black.
Preferably, first side and a court of the ceramic body with an outside towards the electronic equipment
To the second side of the inside of the electronic equipment, the non-conducting portion and the current-carrying part are formed in the second side
On.
Preferably, first side and a court of the ceramic body with an outside towards the electronic equipment
To the second side of the inside of the electronic equipment, the non-conducting portion is formed in the second side, the conductive part
Divide and formed in the first side.
Preferably, the non-conducting portion penetrates into black ceramic components interior institute structure after being gasified by manganese oxide powder
Into.
Preferably, the current-carrying part is formed by penetrating into the black ceramic components interior after graphite gasification.
Present invention also offers a kind of preparation method of the black ceramic part for electronic equipment, comprise the following steps：
By the ceramic body of injection molding after dewaxing, degreasing, the heat-agglomerating together with manganese oxide powder in vacuum drying oven, the oxygen
The final black ceramic part for obtaining the non-conducting portion for possessing black in the ceramic body is penetrated into after changing manganese powder.
Present invention also offers the preparation method of another black ceramic part for being used for electronic equipment, including following step
Suddenly：By the ceramic body of injection molding through dewaxing, after degreasing, on the ceramic body coating one layer contains manganese oxide powder
Mask, so as to forming the line part not covered by the mask on the ceramic body；Then by the ceramic body with
Graphite heat-agglomerating together in vacuum drying oven, penetrate into the base substrate after the mask gasification and form non-conducting portion, the graphite
The line part not covered by the mask is penetrated into after gasification and forms current-carrying part, it is final to obtain the non-conductive portion with black
Divide the black ceramic part with the current-carrying part of black.
Present invention also offers the preparation method of another black ceramic part for being used for electronic equipment, including following step
Suddenly：By the ceramic body of injection molding after dewaxing, degreasing, one layer of covering containing graphite is coated on the ceramic body
Film, so as to form the line part covered by the mask on the ceramic body；Then by the ceramic body and manganese oxide
Powder heat-agglomerating together in vacuum drying oven, penetrate into the base substrate after the manganese oxide powder gasification and form non-conducting portion, institute
The line part formation current-carrying part covered by the mask is penetrated into after stating mask gasification, it is final to obtain not leading with black
The black ceramic part of the current-carrying part of electric part and black.
Preferably, the mask is uniformly mixed by organic binder bond and manganese oxide powder or powdered graphite.
In above-mentioned black ceramic part for electronic equipment provided by the invention and preparation method thereof, using oxidation manganese powder
The last vacuum-sintering together with ceramic body so that the material that gasification is penetrated into ceramic body is the manganese oxide of black, rather than black
The graphite of color, thus obtain black ceramic part be in integrally black, and this black ceramic part be in itself it is nonconducting,
Electronic device will not be thus had adverse effect on applied to electronic equipment, its intensity better than metal and hard can be played
The advantages of degree, good feel, lighter quality, avoid existing black ceramic part and lacked by conductive after carbusintering
Fall into..
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein,
A kind of black ceramic part for electronic equipment of a specific embodiment according to the present invention is shown in Fig. 1
Dimensional structure diagram.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now control illustrates this hair
Bright embodiment.Wherein, identical part uses identical label.
A kind of black ceramic part for electronic equipment of a specific embodiment according to the present invention is shown in Fig. 1
Dimensional structure diagram, the ceramic component 100 can be the panel for the electronic equipment of such as mobile phone etc, bonnet,
Cover plate of electronic device etc..The ceramic component 100 can use existing injection, sintering process that (people in the art is made
Two prior art documents that member is referred to cited in background parts understand above-mentioned conventional flowsheet), thus obtained pottery
Porcelain part 100 easily changes colour in use because surface pore is uneven, thus can pass through the blackening craft of carbusintering
Whole ceramic component is become into black, to avoid the adverse effect of appearance color change.
Under normal circumstances it is known that its ceramic dielectric coefficient of common zirconium oxide etc is far above metal, it is in itself
It is nonconducting, for covering or protecting electronic device to have no problem in itself.But referred to by background section
After carbusintering processing, it is benign conductor due to penetrating into the carbon particulate in ceramic hole, causes the ceramics by Darkening process
Part becomes conductor, and this makes it face detrimental effect when being applied to electronic equipment, however need to carry out insulation processing,
It greatly limit application of the black ceramic in electronic device field.
Although it will be appreciated by those skilled in the art that ceramics carburizing melanism technology be it is known, it is black through over carburizing
Change processing after ceramic component possess electric conductivity, so as to exist to electronic equipment adverse effect be present invention firstly provides
, thus the present invention provides a kind of improved solution based on this adverse effect, on the one hand avoids black ceramic from possessing
Electric conductivity, a kind of conducting channel of stealth on the other hand is provided using the electric conductivity of black ceramic, by this unfavorable shadow
Sound is converted into more aesthetically pleasing design.
Specifically, as shown in figure 1, the entirety of black ceramic part 100 for electronic equipment of the present invention is in black, institute
Stating ceramic component 100 includes a ceramic body 200, and the ceramic body 200 possesses the non-conducting portion 300 of black.
The non-conducting portion 300 for forming black on the ceramic body 200 can be by the system that comprises the following steps
Obtained by Preparation Method, i.e., by the ceramic body of injection molding after dewaxing, degreasing, in vacuum drying oven together with manganese oxide powder
Heat-agglomerating, the final black for obtaining the non-conducting portion 300 for possessing black in ceramic body is penetrated into after manganese oxide powder gasification
Ceramic component 100.
Namely unlike the prior art, the present invention uses manganese oxide powder vacuum-sintering together with ceramic body,
So that the material that gasification is penetrated into ceramic body is the manganese oxide of black, rather than the graphite of black, thus the black pottery obtained
It is in black that porcelain part 100 is overall, and this black ceramic part 100 is nonconducting in itself, thus is applied to electronic equipment
Electronic device will not be had adverse effect on, its intensity and hardness, good feel, lighter better than metal can be played
The advantages of quality, avoid existing black ceramic part by it is conductive after carbusintering the defects of.
Further, in another specific embodiment of the present invention, the ceramic body 200 can be further equipped with black
The current-carrying part 400 of color.That is, according to prior art, those skilled in the art can obtain a kind of the electrically conductive of black
Ceramic component, according to previously described embodiments of the present invention, a kind of non-conductive ceramic component of black can also be obtained, therefore
The advantage and disadvantage of the two can be merged, obtain a kind of entire body black, have non-conducting portion 300 and current-carrying part 400 concurrently
Black ceramic part 100, the purposes of the black ceramic part 100 of this structure is can be fabricated to current-carrying part 400 to lead
Electric line, current-carrying part 400 is separated using non-conducting portion 300, so as to form a kind of knot of similar circuit plate
Configuration formula, provide for the part of ceramic shell etc and can connect the medium of electronic equipment internal circuit, be electronic equipment
Design provides flexible architecture basics.
Further, since the non-conducting portion 300 and current-carrying part 400 of the present invention are all black, thus the circuit formed
Pattern is actually that can't see, that is, show that the pattern line of current-carrying part 400 actually be can't see in Fig. 1,
The good vision perception of user thus can be provided, it can in addition contain cover mixed and disorderly line arrangement by integral black, also
Circuit design, which can be hidden, avoids plagiarism from copying.
In a preferred embodiment, the ceramic body 200 has the of an outside towards the electronic equipment
One side 201 and the second side 202 of the inside towards the electronic equipment, the non-conducting portion 300 and described
Current-carrying part 400 is formed in the second side 202 (as shown in Figure 1).Namely in the present embodiment, set towards electronics
The conducting wire being made up of current-carrying part 400 is formed in standby internal second side 202, available for the electricity with electronic equipment internal
Line structure is attached, for example, current-carrying part 400 can be designed to the form of antenna, to connect electronic equipment internal
Radio-circuit, so as to omit extra antenna structure.And the first side 201 of ceramic body 200 can be in the mistake of sintering
Only contacted in journey with manganese oxide powder, so that first side 201 forms nonconducting black state.
(not shown) in a further advantageous embodiment, the ceramic body 200 have one towards the electronics
The first side 201 of the outside of equipment and the second side 202 of the inside towards the electronic equipment, it is described non-conductive
Part 300 is formed in the second side 202, and the current-carrying part 400 is formed in the first side 201.Namely
In the present embodiment, the second side 202 made towards electronic equipment internal is the non-conducting portion 300 of black, is avoided and electronics
The device contacts short circuit of device interior, first side 201 outwardly is the current-carrying part 400 of black, can form electromagnetic shielding
Structure, external electromagnetic interference is avoided to enter electronic equipment internal.
Certainly, according to previous embodiment it is appreciated that described in non-conducting portion 300 is penetrated into after being gasified as manganese oxide powder
Black ceramic components interior is formed；Current-carrying part 400 is formed by penetrating into the black ceramic components interior after graphite gasification.
The preparation method of the non-conducting portion 300 of current-carrying part 400 and black above-mentioned while that there is black is formed, can be with
Comprise the following steps：
Such as scheme one：By the ceramic body of injection molding after dewaxing, degreasing, one is coated on the ceramic body
Mask of the layer containing manganese oxide powder, so as to form the line part not covered by the mask on the ceramic body；Then
By ceramic body heat-agglomerating together with graphite is in vacuum drying oven, the base substrate formation is penetrated into after the mask gasification and is not led
Electric part 300, the line part not covered by the mask is penetrated into after the graphite gasification and forms current-carrying part 400, finally
Obtain the black ceramic part with the non-conducting portion 300 of black and the current-carrying part 400 of black.
Or scheme two：By the ceramic body of injection molding after dewaxing, degreasing, one is coated on the ceramic body
Mask of the layer containing graphite, so as to form the line part covered by the mask on the ceramic body；Then by the pottery
The heat-agglomerating together with manganese oxide powder is in vacuum drying oven of porcelain billet body, penetrate into the base substrate after the manganese oxide powder gasification and formed
Non-conducting portion 300, penetrate into the line part covered by the mask after the mask gasification and form current-carrying part 400, most
Obtain the black ceramic part with the non-conducting portion 300 of black and the current-carrying part 400 of black eventually.
Mask in the preparation method of above-mentioned two scheme can use organic binder bond and manganese oxide powder or graphite powder
End is uniformly mixed, and makes it easier to smear the privileged site for being bonded in ceramic body, with the black of patterns needed for formation
Non-conducting portion 300 and black current-carrying part 400, such as the organic binder bond can be selected from paraffin, resin etc..
In addition, in above-mentioned two scheme, in vacuum drying oven during heat-agglomerating, deposited after graphite and manganese oxide powder gasification
In micro situation about interpenetrating, suitable sintering time is controlled, can prevent the conductive character of different zones from becoming
Change, or polishing can be polished after the sintering, there will be the surface part interpenetrated to polish off, so as to eliminate
Above mentioned problem.
It will be appreciated by those skilled in the art that although the present invention is described in the way of multiple embodiments,
It is that not each embodiment only includes an independent technical scheme.So narration is used for the purpose of for the sake of understanding in specification,
The skilled in the art should refer to the specification as a whole is understood, and by technical scheme involved in each embodiment
The modes of different embodiments can be mutually combined into understand protection scope of the present invention by regarding as.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, equivalent variations, modification and the combination made on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention all should be belonged to.
Claims (10)
1. a kind of black ceramic part for electronic equipment, ceramic component (100) entire body is in black, it is characterised in that
The ceramic component (100) includes a ceramic body (200), and the ceramic body (200) possesses the non-conducting portion of black
(300), the non-conducting portion (300) is penetrated into the black ceramic components interior after being gasified by manganese oxide powder and formed.
2. black ceramic part as claimed in claim 1, it is characterised in that the ceramic body (200) is further equipped with black
The current-carrying part (400) of color, the current-carrying part (400) can't see.
3. black ceramic part as claimed in claim 2, it is characterised in that the ceramic body (200) has a direction
The first side (201) of the outside of the electronic equipment and the second side of the inside towards the electronic equipment
(202), the non-conducting portion (300) and the current-carrying part (400) are formed in the second side (202).
4. black ceramic part as claimed in claim 2, it is characterised in that the ceramic body (200) has a direction
The first side (201) of the outside of the electronic equipment and the second side of the inside towards the electronic equipment
(202), the non-conducting portion (300) is formed in the second side (202), and the current-carrying part (400) is formed in institute
State in first side (201).
5. the black ceramic part as described in one of claim 2-4, it is characterised in that the current-carrying part (400) is by graphite
The black ceramic components interior is penetrated into after gasification to be formed.
6. a kind of preparation method of black ceramic part for electronic equipment, ceramic component (100) entire body is in black, institute
Preparation method is stated to comprise the following steps：By the ceramic body of injection molding through dewaxing, after degreasing, in vacuum drying oven and manganese oxide
Powder heat-agglomerating together, final obtain in the ceramic body is penetrated into after the manganese oxide powder gasification and possesses not leading for black
The black ceramic part (100) of electric part (300).
7. a kind of preparation method of black ceramic part for electronic equipment, ceramic component (100) entire body is in black, institute
Preparation method is stated to comprise the following steps：By the ceramic body of injection molding after dewaxing, degreasing, applied on the ceramic body
One layer of mask containing manganese oxide powder is covered, so as to form the line part not covered by the mask on the ceramic body；
Then by ceramic body heat-agglomerating together with graphite is in vacuum drying oven, penetrate into the base substrate after the mask gasification and formed
Non-conducting portion (300), the line part not covered by the mask is penetrated into after the graphite gasification and forms current-carrying part
(400) the black ceramic part with the non-conducting portion (300) of black and the current-carrying part (400) of black, institute finally, are obtained
Current-carrying part (400) is stated to can't see.
8. preparation method as claimed in claim 7, it is characterised in that the mask is equal with manganese oxide powder by organic binder bond
It is even to mix.
9. a kind of preparation method of black ceramic part for electronic equipment, ceramic component (100) entire body is in black, institute
Preparation method is stated to comprise the following steps：By the ceramic body of injection molding after dewaxing, degreasing, applied on the ceramic body
One layer of mask containing graphite is covered, so as to form the line part covered by the mask on the ceramic body；Then by institute
Ceramic body heat-agglomerating together with manganese oxide powder is in vacuum drying oven is stated, penetrates into the base substrate after the manganese oxide powder gasification
Non-conducting portion (300) is formed, penetrating into the line part covered by the mask after the mask gasification forms current-carrying part
(400) the black ceramic part with the non-conducting portion (300) of black and the current-carrying part (400) of black, institute finally, are obtained
Current-carrying part (400) is stated to can't see.
10. preparation method as claimed in claim 9, it is characterised in that the mask is equal with powdered graphite by organic binder bond
It is even to mix.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510179555.1A CN104837309B (en) | 2015-04-16 | 2015-04-16 | A kind of black ceramic part for electronic equipment and preparation method thereof |
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| CN201510179555.1A CN104837309B (en) | 2015-04-16 | 2015-04-16 | A kind of black ceramic part for electronic equipment and preparation method thereof |
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| CN104837309A CN104837309A (en) | 2015-08-12 |
| CN104837309B true CN104837309B (en) | 2018-01-23 |
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| CN102190489A (en) * | 2010-02-25 | 2011-09-21 | Tdk株式会社 | Dielectric ceramic composition and electronic parts |
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| CN86106288A (en) * | 1986-09-09 | 1988-03-23 | 山东省新材料研究所 | Black ceramics light-resistant, heat sink material |
| CN1566021A (en) * | 2003-06-16 | 2005-01-19 | 钟伟 | Manufacturing method of black zirconia ceramics |
| EP2025658A1 (en) * | 2007-08-08 | 2009-02-18 | Imerys Ceramics France | Porous ceramic bodies and process for their preparation |
| JP5273490B2 (en) * | 2008-11-21 | 2013-08-28 | 株式会社村田製作所 | Ceramic composition, ceramic green sheet, and ceramic electronic component |
| KR101412950B1 (en) * | 2012-11-07 | 2014-06-26 | 삼성전기주식회사 | Multilayer ceramic capacitor |
| KR101376921B1 (en) * | 2012-12-11 | 2014-03-20 | 삼성전기주식회사 | Multilayer ceramic capacitor and method of manufacturing the same |
| CN103619136A (en) * | 2013-09-12 | 2014-03-05 | 上海安费诺永亿通讯电子有限公司 | Laminated structure of electronic product ceramic shell and method for forming laminated structure |
| CN104003714B (en) * | 2014-01-26 | 2016-04-27 | 湖北国瓷科技有限公司 | The method of multiple color mobile phone part prepared by a kind of zirconia ceramics |
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- 2015-04-16 CN CN201510179555.1A patent/CN104837309B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101774A (en) * | 2009-12-22 | 2011-06-22 | 广东风华高新科技股份有限公司 | Reduction-resistant nickel electrode ceramic dielectric material |
| CN102115569A (en) * | 2009-12-31 | 2011-07-06 | 财团法人工业技术研究院 | Dielectric material composition and circuit substrate |
| CN102190489A (en) * | 2010-02-25 | 2011-09-21 | Tdk株式会社 | Dielectric ceramic composition and electronic parts |
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