CN104862692A - Depression-preventing low-swell-shrinking mirror plate - Google Patents
Depression-preventing low-swell-shrinking mirror plate Download PDFInfo
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- CN104862692A CN104862692A CN201510267703.5A CN201510267703A CN104862692A CN 104862692 A CN104862692 A CN 104862692A CN 201510267703 A CN201510267703 A CN 201510267703A CN 104862692 A CN104862692 A CN 104862692A
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Abstract
The invention discloses a depression-preventing low-swell-shrinking mirror plate which adopts a stainless steel plate as a substrate, and a coating is arranged on the surface of the stainless steel plate. The coating comprises 30-32 parts by weight of an aluminum oxide, 30-32 parts by weight of a hafnium oxide, 30-32 parts by weight of a silicon oxide, 6-8 parts by weight of a europium oxide, 6-8 parts by weight of a silver oxide, 2-4 parts by weight of a palladium oxide and 2-4 parts by weight of a bismuth oxide. According to the scheme, the stainless steel plate is taken as the substrate, the coating on the outer surface of the stainless steel plate takes aluminum oxide, hafnium oxide and silicon oxide as the core, and multiple oxides having a synergistic effect are introduced, so that the surface strength, the surface smoothness, the hot pressing resistance and the depression-prevention performance of the coating of the mirror plate under high pressure are improved effectively; by means of boron nitride, ruthenium oxide and zinc oxide added to the coating, the expansion extent of the coating for larger temperature difference and pressure difference can be improved effectively, and accordingly, bad influence of the overall swell and shrinking of the mirror plate on the using effect and the service life of the mirror plate can be avoided effectively.
Description
Technical field
The present invention relates to a kind of insulcrete, being specifically related to a kind of Surface coating has the low breathing runner plate of the anti-depression of modified coating.
Background technology
When the main body base material on manufacturing line road plate (PCB), need to use electric press that materials different for multilayer is carried out pressing, the principle of work of this electric press is by the processed tacky resin material of Copper Foil (or aluminium foil) conduction heating, and by applying certain pressure, multilayer material is pressure bonded to not a half hour, thus obtained board substrate, and in use electric press bonding processes, for cost consideration, single stitching operation often needs the multi-disc of pressing simultaneously board substrate, and in order to make multi-disc board substrate when pressing, be not affected each other, need them superimposed, and insert a kind of special metal sheet between which, it has insulation, heat transfer, the effect supporting and be separated, this special metal sheet with superelevation planeness is called runner plate.
Runner plate and the maximum difference of common insulcrete are exactly that its surface has a kind of special coating, the performance of this coating on runner plate has great impact, in process for pressing, very high to the performance requriements of runner plate, electric press is when operating, both heat of high temperature (being greater than 300 DEG C) had been produced, there is again very strong pressure (being greater than 50MPa), this just needs runner plate to possess outstanding resistance to hot press performance, namely runner plate needs to have very high limit tolerable temperature and limit tolerance pressure, and, more weight is, the surface of runner plate still must can keep flat smooth very after repeatedly hot pressing, surface is depression not, there is not breathing, and also cannot realize this requirement in the prior art at present, after the runner plate of prior art generally about can use about 150 times at normal temperatures, its surface just starts to occur depression, runner plate is caused to lose efficacy, and at high temperature also only can use and just lost efficacy for about 60 times.
Summary of the invention
For the deficiencies in the prior art part, the object of the present invention is to provide the low breathing runner plate of a kind of anti-depression, it can realize the life-time service ensureing runner plate under the strong condition of High Temperature High Pressure, and breathing is extremely low, surfacing is not caved in.
Technical scheme of the present invention is summarized as follows:
The low breathing runner plate of a kind of anti-depression, it take stainless steel plate as base material, and the surface of described stainless steel plate is provided with coating, and described coating comprises the material of following weight part:
Preferably, the low breathing runner plate of described anti-depression, wherein, described coating also comprises the lanthanum trioxide of 2 ~ 4 weight parts.
Preferably, the low breathing runner plate of described anti-depression, wherein, described coating also comprises the boron nitride of 2 ~ 4 weight parts.
Preferably, the low breathing runner plate of described anti-depression, wherein, described coating also comprises the weisspiessglanz of 2 ~ 4 weight parts and the thallium oxide of 2 ~ 4 weight parts.
Preferably, the low breathing runner plate of described anti-depression, wherein, described coating also comprises the ruthenium oxide of 2 ~ 4 weight parts.
Preferably, the low breathing runner plate of described anti-depression, wherein, described coating also comprises the zinc oxide of 2 ~ 4 weight parts.
Preferably, the low breathing runner plate of described anti-depression, wherein, the thermal linear expansion coefficient of described stainless steel plate is 12 ~ 16ppm/ DEG C.
Preferably, the low breathing runner plate of described anti-depression, wherein, the thickness of described stainless steel plate is 0.2 ~ 3mm.
The invention has the beneficial effects as follows: the runner plate that this case relates to take stainless steel plate as base material, the coating of its outside surface with aluminum oxide, hafnia and silicon oxide for core, by introducing the multiple oxide compound with synergistic effect, effectively improve the surface strength of runner plate coating under High Voltage, surface finish, resistance to hot pressing and anti-depression performance; By adding boron nitride, ruthenium oxide and zinc oxide in the coating, effectively improve the expansion amplitude of coating self to the larger temperature difference and pressure reduction, thus the baneful influence that the breathing that effectively can overcome runner plate entirety brings himself result of use and work-ing life.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, can implement according to this with reference to specification sheets word to make those skilled in the art.
This case proposes the low breathing runner plate of anti-depression of an embodiment, and it take stainless steel plate as base material, and this stainless steel plate surface is provided with coating, and this coating comprises the fine-powdered material of following weight part:
This case material therefor can preferably select nano level powder or micron powder.
As another embodiment of this case, wherein, coating also comprises the lanthanum trioxide of 2 ~ 4 weight parts.Lanthanum trioxide can improve coating physical strength at high temperature, hardness and shock resistance, but it should be noted that, the addition of lanthanum trioxide should be limited, if the addition of lanthanum trioxide is less than 2 weight parts, then its synergistic effect be cannot activate, coating physical strength at high temperature, hardness and shock resistance effectively cannot be improved; If the addition of lanthanum trioxide is greater than 4 weight parts, then lanthanum trioxide can increase again the internal rigid of coating when calcining, thus coating is become fragile, and weathering resistance is deteriorated, the easy to crack or depression when coat-thickness is uneven, thus has had a strong impact on the work-ing life of coating.
As the another embodiment of this case, wherein, coating also comprises the boron nitride of 2 ~ 4 weight parts.Experiment finds, boron nitride can reduce runner plate coating to the susceptibility of the temperature difference and pressure reduction and expansion amplitude, thus the breathing rate of runner plate can be reduced, but it is same, the addition of boron nitride also must be limited, if the addition of boron nitride is less than 2 weight parts, then cannot activate its synergistic effect, effectively cannot suppress the breathing rate of runner plate, thus make runner plate just occur that coatingsurface is wrinkling, have cut or depression for 50 times afterwards in use; If the addition of boron nitride is greater than 4 weight parts, then easily there is rejection phenomenon when calcining in boron nitride, and it can make lanthanum trioxide and bismuth oxide be deposited on the bottom of coating, causes each component mixing of coat inside uneven, thus have impact on the original structural stability of coating.
As the another embodiment of this case, wherein, coating also comprises the weisspiessglanz of 2 ~ 4 weight parts and the thallium oxide of 2 ~ 4 weight parts.Experiment finds, when weisspiessglanz and thallium oxide exist simultaneously, both can produce synergistic effect each other, common raising coating at high temperature, particularly be greater than the abrasion resistance properties after 450 DEG C and surperficial sag resistant performance, if but when both only deposits it for the moment, then find almost do not have the lifting of coating performance.Further, the addition of weisspiessglanz and thallium oxide must be strictly limited, if depart from preferred numerical range, then both can be caused cannot to reach optimum value to the lifting of coating performance.
As the another embodiment of this case, wherein, coating also comprises the ruthenium oxide of 2 ~ 4 weight parts, it can suppress the burst rate of coating when calcining and the resistance to elevated temperatures of raising coating, moreover, ruthenium oxide also can suppress coat inside to the responsive amplitude of the breathing of the temperature difference, pressure reduction, thus makes coatingsurface more stable more durable.But experimental data shows too, the addition of ruthenium oxide should be limited, and inappropriate addition can form negative effect on the contrary.
As the another embodiment of this case, wherein, coating also comprises the zinc oxide of 2 ~ 4 weight parts.Unexpected discovery by experiment, zinc oxide also boron nitride and ruthenium oxide can improve the breathing amplitude of runner plate alone or synergistically, thus can obtain more preferably result.In like manner, act on significant trace mineral supplement as one, its addition should be limited, and inappropriate addition can cause the effect of zinc oxide to be lost efficacy on the contrary.
As the another embodiment of this case, wherein, the thermal linear expansion coefficient of stainless steel plate is 12 ~ 16ppm/ DEG C.Because runner plate is mainly for the manufacture of pcb board, and an important main material in pcb board is exactly copper coin, the thermal linear expansion coefficient of copper is 16.7ppm/ DEG C, therefore in order to prevent copper coin from the wrinkling or fracture of extruding occurring when hot pressing, the thermal linear expansion coefficient of runner plate should as far as possible close to the thermal linear expansion coefficient of copper in theory, but unexpected discovery by experiment, true really not so, when hot pressing, high temperature realizes heating function by energising, when high temperature is energized, the thermal linear expansion coefficient generation deviation of different metals, different metal materials, its degree departed from is also different, therefore for the technical scheme of this case, select linear thermal expansivity is the stainless steel plate of 16.1 ~ 17ppm/ DEG C is not optimal selection, the thermal linear expansion coefficient of stainless steel plate is preferably 12 ~ 16ppm/ DEG C, more preferably 13 ~ 15ppm/ DEG C, most preferably 14ppm/ DEG C.Because stainless material composition is very complicated, market has different models, different concrete compositions has different thermal linear expansion coefficients, and this case, without the need to making restriction to the concrete composition of stainless steel plate, only need limit its thermal linear expansion coefficient.If the thermal linear expansion coefficient of stainless steel plate is less than 12ppm/ DEG C, then can cause the surface wrinkling of the pcb board contacted with runner plate; If the thermal linear expansion coefficient of stainless steel plate is greater than 16ppm/ DEG C, then when hot pressing, the surface of the pcb board contacted with runner plate there will be crackle.
As the another embodiment of this case, wherein, the thickness of stainless steel plate is 0.2 ~ 3mm.The thickness major decision of stainless steel plate the firmness of runner plate entirety, if the thickness of stainless steel plate is less than 0.2mm, then causes the crushing resistance of runner plate own too low, when hot pressing, easily ruptures; If the thickness of stainless steel plate is greater than 3mm, then cause the surface tension of coating excessive, when hot pressing, coating easily cracks, blocked up thickness also makes when adopting congruent manner to produce PCB mainboard simultaneously, the quantity minimizing that single is superimposed, thereby increases production cost.
The preparation method of runner plate is: first, take in proportion by above-mentioned each material and mix each material powder with water, brush the surface in stainless steel plate subsequently, brush thickness being as the criterion by all standing surface of steel plate, be generally 10 ~ 20 μm, in atmosphere of inert gases, at 800 DEG C, calcining 2 hours, is incubated 1 hour at 200 DEG C, i.e. obtained runner plate.
Table one lists the concrete composition of different embodiment and the performance perameter of obtained runner plate thereof:
Table one
Table two lists the concrete composition of different comparative example coating and the performance perameter of obtained runner plate thereof:
Table two
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details.
Claims (8)
1. the low breathing runner plate of anti-depression, it take stainless steel plate as base material, and the surface of described stainless steel plate is provided with coating, and described coating comprises the material of following weight part:
2. the low breathing runner plate of anti-depression according to claim 1, it is characterized in that, described coating also comprises the lanthanum trioxide of 2 ~ 4 weight parts.
3. the low breathing runner plate of anti-depression according to claim 1, it is characterized in that, described coating also comprises the boron nitride of 2 ~ 4 weight parts.
4. the low breathing runner plate of anti-depression according to claim 1, is characterized in that, described coating also comprises the weisspiessglanz of 2 ~ 4 weight parts and the thallium oxide of 2 ~ 4 weight parts.
5. the low breathing runner plate of anti-depression according to claim 1, it is characterized in that, described coating also comprises the ruthenium oxide of 2 ~ 4 weight parts.
6. the low breathing runner plate of anti-depression according to claim 1, it is characterized in that, described coating also comprises the zinc oxide of 2 ~ 4 weight parts.
7. the low breathing runner plate of anti-depression according to claim 1, is characterized in that, the thermal linear expansion coefficient of described stainless steel plate is 12 ~ 16ppm/ DEG C.
8. the low breathing runner plate of anti-depression according to claim 1, is characterized in that, the thickness of described stainless steel plate is 0.2 ~ 3mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267703.5A CN104862692B (en) | 2015-05-22 | 2015-05-22 | A kind of low breathing runner plate of anti-depression |
| TW104135508A TWI532853B (en) | 2015-05-22 | 2015-10-28 | Anti-depression low shrinkage mirror plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267703.5A CN104862692B (en) | 2015-05-22 | 2015-05-22 | A kind of low breathing runner plate of anti-depression |
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| Publication Number | Publication Date |
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| CN104862692A true CN104862692A (en) | 2015-08-26 |
| CN104862692B CN104862692B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510267703.5A Active CN104862692B (en) | 2015-05-22 | 2015-05-22 | A kind of low breathing runner plate of anti-depression |
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| TW (1) | TWI532853B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369175A (en) * | 2015-12-10 | 2016-03-02 | 苏州市嘉明机械制造有限公司 | Production technology of anti-sinking insulating thrust runner collar based on impregnation technology |
| CN105517334A (en) * | 2015-12-10 | 2016-04-20 | 苏州市嘉明机械制造有限公司 | Impregnation technology based production process of high-strength insulation runner plate |
| CN107099765A (en) * | 2017-06-16 | 2017-08-29 | 海宁永欣科技咨询有限公司 | A kind of preparation method of runner plate |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112281070A (en) * | 2020-10-30 | 2021-01-29 | 中泽电气科技有限公司 | Method for preparing anti-cracking power distribution cabinet door by using 304 austenitic stainless steel material |
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| WO2012142348A2 (en) * | 2011-04-13 | 2012-10-18 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object including beta alumina and processes of making and using the same |
| CN103118494A (en) * | 2013-01-29 | 2013-05-22 | 苏州市嘉明机械制造有限公司 | Pressing runner plate of electric press for pressing processing of printed circuit boards |
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2015
- 2015-05-22 CN CN201510267703.5A patent/CN104862692B/en active Active
- 2015-10-28 TW TW104135508A patent/TWI532853B/en not_active IP Right Cessation
Patent Citations (4)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369175A (en) * | 2015-12-10 | 2016-03-02 | 苏州市嘉明机械制造有限公司 | Production technology of anti-sinking insulating thrust runner collar based on impregnation technology |
| CN105517334A (en) * | 2015-12-10 | 2016-04-20 | 苏州市嘉明机械制造有限公司 | Impregnation technology based production process of high-strength insulation runner plate |
| CN107099765A (en) * | 2017-06-16 | 2017-08-29 | 海宁永欣科技咨询有限公司 | A kind of preparation method of runner plate |
| CN107099765B (en) * | 2017-06-16 | 2019-01-18 | 平湖市金易达机械有限公司 | A kind of production method of runner plate |
| CN109338272A (en) * | 2017-06-16 | 2019-02-15 | 海宁永欣科技咨询有限公司 | The production method of modified form runner plate |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI532853B (en) | 2016-05-11 |
| TW201641703A (en) | 2016-12-01 |
| CN104862692B (en) | 2017-07-21 |
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Effective date of registration: 20201222 Address after: 224000 group 5, shengliqiao village, CHANGDANG Town, Sheyang County, Yancheng City, Jiangsu Province Patentee after: YANCHENG JIATENG ELECTROMECHANICAL Co.,Ltd. Address before: 215000 Hengtang Youth Industrial Park, Suzhou High-tech Zone, Jiangsu Province Patentee before: SUZHOU JIAMING MACHINERY MANUFACTURING Co.,Ltd. |
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