CN102617155A - Method for manufacturing inductance porcelain core substrate - Google Patents
Method for manufacturing inductance porcelain core substrate Download PDFInfo
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- CN102617155A CN102617155A CN2012101100934A CN201210110093A CN102617155A CN 102617155 A CN102617155 A CN 102617155A CN 2012101100934 A CN2012101100934 A CN 2012101100934A CN 201210110093 A CN201210110093 A CN 201210110093A CN 102617155 A CN102617155 A CN 102617155A
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- porcelain
- inductance
- core substrate
- porcelain core
- ceramic
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- 239000000758 substrate Substances 0.000 title claims abstract description 47
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 22
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 238000000462 isostatic pressing Methods 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000498 ball milling Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims description 42
- 238000003825 pressing Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- 239000004925 Acrylic resin Substances 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000013329 compounding Methods 0.000 abstract 2
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 239000004902 Softening Agent Substances 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention relates to a method for manufacturing an inductance porcelain core substrate, which comprises the following steps of: preparing porcelain casting slurry through a ball-milling compounding manner; casting the prepared porcelain casting slurry on a release liner through a casting machine, and forming porcelain green tapes with a certain thickness after drying; stacking a plurality of porcelain green tapes; laminating the stacked porcelain green tapes through a warm water isostatic pressing machine; forming grooves of the inductance porcelain core substrate at equal intervals on the porcelain green tapes through a hobbing cutter cutting machine; and cutting the porcelain green tapes with the grooves into independent inductance porcelain core substrates through a fodder chopper cutting machine. According to the method for manufacturing the inductance porcelain core substrate, casting can be realized through using ball-milling mixed with solvent in the compounding manner, and spray granulation is unnecessary, so that the production efficiency is improved; a stacking manner is used for forming, so that 2000Pcs of inductance porcelain core substrates can be manufactured simultaneously at a time, and the forming efficiency is greatly improved; and the grooves of the porcelain green tapes are manufactured in a cutting manner, so that equipment loss is less, and equipment maintenance cost is lower.
Description
Technical field
The present invention relates to a kind of method of making inductance porcelain core substrate.
Background technology
In recent years, along with the progress of science and technology, electronic devices and components obtain application more and more widely, when paying attention to element function, the efficient and the reduction manufacturing cost that improve manufacturing processed are also more and more paid close attention to.
Traditional inductance porcelain core substrate making method is, makes slurry with ball milling method, and then processes dry-pressing formed required powder through sponging granulator, obtains inductance porcelain core substrate with the die stamping molding mode again.The shortcoming of using this method to make the inductance porcelain core has: 1) when mist projection granulating, very high to the flowability requirement of its powder, general dry-pressing formed powder granularity is distributed between 100～300 orders; 2) because the limitation of dry-pressing formed mould and technology makes that its each dry-pressing formed efficient is lower; 3) owing to dry-pressing formed bigger, so its mould maintenance cost is also higher to die wear.
Summary of the invention
The object of the present invention is to provide a kind of method of efficient that provide with the making inductance porcelain core substrate that reduces cost.
For solving above-mentioned purpose, the invention provides a kind of method of making inductance porcelain core substrate, comprise the steps:
1) prepares ceramic casting slurry with the ball milling batching mode;
On dicing film, the oven dry back forms certain thickness ceramic green sheet to the ceramic casting slurry that 2) will prepare with casting machine stream;
3) a plurality of ceramic green sheets are stacked together;
4) with the warm water isostatic pressing machine with the ceramic substrate pressing of folding;
5) with the groove of leaving inductance porcelain core substrate at hobboing cutter cutting machine equidistant interval on ceramic substrate;
6) ceramic substrate that will hold groove successfully with the chopper cutting machine cuts into independently inductance porcelain core substrate.
Said step 2) thickness of ceramic green sheet is preferably 10～100 μ m in.
In the said step 3), the number of the said ceramic green sheet that stacks is preferably 20～100.
The parametric optimization that said warm water isostatic pressing machine is set is: pressurize 6 minutes under pressure 25MPa earlier, then pressurize 10 minutes under pressure 35MPa.
Be preferably 200～10000 μ m with the thickness after the pressing of warm water isostatic pressing machine in the said step 4).
Said ceramic casting slurry is preferably by MGA powder, high-performance phosphite antioxidant S9228, ETHYLE ACETATE, ROHM AND HAAS Paraloid
TMLao Baila thermoplastic acrylic resin A-21, Virahol and hexanodioic acid dibutyl ester are formed.
MGA powder, high-performance phosphite antioxidant S9228, ETHYLE ACETATE, ROHM AND HAAS Paraloid
TMThe weight proportion of Lao Baila thermoplastic acrylic resin A-21, Virahol and hexanodioic acid dibutyl ester was followed successively by 1: 0.015: 2: 0.3: 0.1: 0.1.
The temperature of said oven dry preferably is divided into five stages: the fs: 45～51 ℃; Subordinate phase: 52～58 ℃; Phase III: 62～68 ℃; Stage: 69～75 ℃; Five-stage: 62～68 ℃, each stage drying time is 2～4min.
The present invention makes inductance porcelain core substrate with range upon range of cutting mode, and this method is than the improvements of traditional method: 1) batching mode gets final product curtain coating after using the ball milling solubilizing agent to mix, and need not carry out mist projection granulating, enhances productivity; 2) overlapped way is used in moulding, can once make 2000Pc s inductance porcelain core substrate simultaneously, and shaping efficiency improves greatly; Less when 3) making the porcelain core wafer pockets to equipment loss with cutting mode, so its cost of equipment maintenance is also lower.
Description of drawings
Fig. 1 is an inductance porcelain core substrate front view of the present invention;
Fig. 2 makes inductance porcelain core substrate overlapped way synoptic diagram for the present invention with range upon range of cutting mode;
Fig. 3 is range upon range of and warm water isostatic pressing machine compacting back ceramic substrate figure for the present invention;
Fig. 4 leaves inductance porcelain core wafer pockets figure for the present invention with the hobboing cutter cutting machine on ceramic substrate.
Embodiment
Followingly the present invention is elaborated with reference to accompanying drawing.
Ceramic casting slurry of the present invention is made up of glass powder, tackiness agent, dispersion agent, solvent and softening agent.Specifically, glass powder adopts the MGA powder, and particle diameter D50 is 1～3 μ m, and said tackiness agent can adopt ROHM AND HAAS Paraloid
TMLao Baila thermoplastic acrylic resin A-21; Said dispersion agent can adopt high-performance phosphite antioxidant S9228; Said solvent can adopt the mixture of ETHYLE ACETATE and Virahol; Said softening agent can adopt the hexanodioic acid dibutyl ester, more than each material be that the weight proportion of MGA powder, dispersion agent, ETHYLE ACETATE, adhesive A-21, Virahol and hexanodioic acid dibutyl ester was followed successively by 1: 0.015: 2: 0.3: 0.1: 0.1;
Employed casting machine is from Zhaoqing Honghua Electronic Technique Co., Ltd., and model is HHLY0020.
Employed dicing film is from Dongguan City Dongyuan County Science and Technology Ltd., and model is SRC-T50-1L, and specification is 50 μ m * 150mm * 150mm.
Employed warm water isostatic pressing machine is from the Foshan City hundred million Polyurethane hydraulic machinery ltds of fighting, and model is DJY-GB-L.
Employed hobboing cutter cutting machine is from Wuhan three worker's photoelectricity ltds, and model is SES15.
Employed scribing machine converges from Shenyang wins equipment manufacturing company, and model is ZSH508
Employed chopper cutting machine is from Zhaoqing Honghua Electronic Technique Co., Ltd., and model is 0402.
Embodiment 1
The invention provides a kind of method of making inductance porcelain core substrate, comprise the steps:
1) prepares ceramic casting slurry with the ball milling batching mode;
At first prepare ceramic casting slurry, take by weighing following each material: MGA powder, high-performance phosphite antioxidant S9228, ETHYLE ACETATE, ROHM AND HAAS Paraloid with the ball milling batching mode
TMLao Baila thermoplastic acrylic resin A-21, Virahol and hexanodioic acid dibutyl ester, its weight proportion was followed successively by 1: 0.015: 2: 0.3: 0.1: 0.1, use the ball mill ball milling, drum's speed of rotation is 40～50r/min, the ball milling time is 39～41h.
On dicing film, the oven dry back forms certain thickness ceramic green sheet to the ceramic casting slurry that 2) will prepare with casting machine stream;
Then the above-mentioned ceramic casting slurry for preparing is flowed on dicing film with casting machine, the curtain coating speed of casting machine is 2.9～3.5m/mi n, and edge of a knife height is 95～195 μ m, and extraction flow is 185～215m
3/ h, oven dry then, bake out temperature is divided into five stages: the fs: 45～51 ℃; Subordinate phase: 52～58 ℃; Phase III: 62～68 ℃; Stage: 69～75 ℃; Five-stage: 62～68 ℃, each stage drying time is 2～4min, promptly forms the ceramic green sheet 201 of following specification after the oven dry: long is 160mm, and wide is 160mm, and height is 50 μ m (see figure 2)s.
3) a plurality of ceramic green sheets are stacked together;
Then 13 ceramic green sheets 201 are stacked together;
4) with the warm water isostatic pressing machine with the ceramic substrate pressing of folding;
With the ceramic substrate pressing (see figure 3) of folding, the parameter that the warm water isostatic pressing machine is set is: pressurize is 6 minutes under pressure 25MPa with the warm water isostatic pressing machine, then pressurize 10 minutes under pressure 35MPa, and the thickness after the pressing is 0.55-0.6mm.
5) with the groove of leaving inductance porcelain core substrate at hobboing cutter cutting machine equidistant interval on ceramic substrate;
On ceramic substrate, leave the groove 401 of inductance porcelain core substrate then with hobboing cutter cutting machine and scribing machine, see Fig. 4, the specification of groove 401 is: long 160mm, and wide 0.56mm, high 0.1mm, the distance between the adjacent grooves is 0.5mm.
6) ceramic substrate that will hold groove successfully with the chopper cutting machine cuts into independently inductance porcelain core substrate.
The ceramic substrate that to hold groove 401 successfully with the chopper cutting machine at last cuts into independently inductance porcelain core substrate 101 (Fig. 1), and this moment, inductance ceramic chip 101 specification was: 1005 models (long 1.0mm, wide 0.5mm, high 0.5mm).
Embodiment 2
The difference of this embodiment and embodiment 1 is: the number that ceramic green sheet 201 stacks in the step 3) is 18; Thickness in the step 4) after the pressing of warm water isostatic pressing machine is 0.8-0.85mm; The specification of leaving groove 401 in the step 5) is: long 160mm, wide 1.02mm, high 0.2mm; Distance between the adjacent grooves is 0.75mm, and the specification that obtains inductance ceramic chip 101 in the step 6) thus is: 1608 models (long 1.6mm, wide 0.8mm, high 0.8mm).
Embodiment 3
The difference of this embodiment and embodiment 1 is: the number that ceramic green sheet 201 stacks in the step 3) is 27; Thickness in the step 4) after the pressing of warm water isostatic pressing machine is 1.24-1.27mm; The specification of leaving groove 401 in the step 5) is: long 160mm, and wide is 1.21mm, height is 0.6mm; Distance between the adjacent grooves is 1.2mm, and the specification that obtains inductance ceramic chip 101 in the step 6) thus is: 2012 models (long 2.0mm, wide 1.2mm, high 0.8mm)
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, conceive under the prerequisite not breaking away from the present invention, can also make some simple deduction or replace, all should be regarded as protection domain of the present invention.
Claims (8)
1. a method of making inductance porcelain core substrate is characterized in that, comprises the steps:
1) prepares ceramic casting slurry with the ball milling batching mode;
On dicing film, the oven dry back forms certain thickness ceramic green sheet to the ceramic casting slurry that 2) will prepare with casting machine stream;
3) a plurality of ceramic green sheets are stacked together;
4) with the warm water isostatic pressing machine with the ceramic substrate pressing of folding;
5) with the groove of leaving inductance porcelain core substrate at hobboing cutter cutting machine equidistant interval on ceramic substrate;
6) ceramic substrate that will hold groove successfully with the chopper cutting machine cuts into independently inductance porcelain core substrate.
2. according to the method for the said making inductance of claim 1 porcelain core substrate, it is characterized in that said step 2) in the thickness of ceramic green sheet be 10～100 μ m.
3. according to the method for the said making inductance of claim 2 porcelain core substrate, it is characterized in that in the said step 3), the number of the said ceramic green sheet that stacks is 20～100.
4. according to the method for each said making inductance porcelain core substrate in the claim 1 to 3, it is characterized in that the parameter that said warm water isostatic pressing machine is set is: pressurize 6 minutes under pressure 25MPa earlier, then pressurize 10 minutes under pressure 35MPa.
5. according to the method for the said making inductance of claim 4 porcelain core substrate, it is characterized in that the thickness in the said step 4) after the pressing of use warm water isostatic pressing machine is 200～10000 μ m.
6. according to the method for the said making inductance of claim 1 porcelain core substrate, it is characterized in that said ceramic casting slurry is by MGA powder, high-performance phosphite antioxidant S9228, ETHYLE ACETATE, ROHM AND HAAS Paraloid
TMLao Baila thermoplastic acrylic resin A-21, Virahol and hexanodioic acid dibutyl ester are formed.
7. according to the method for the said making inductance of claim 6 porcelain core substrate, it is characterized in that said MGA powder, high-performance phosphite antioxidant S9228, ETHYLE ACETATE, ROHM AND HAAS Paraloid
TMThe weight proportion of Lao Baila thermoplastic acrylic resin A-21, Virahol and hexanodioic acid dibutyl ester was followed successively by 1: 0.015: 2: 0.3: 0.1: 0.1.
8. according to the method for claim 6 or 7 said making inductance porcelain core substrates, it is characterized in that the temperature of said oven dry is divided into five stages: the fs: 45～51 ℃; Subordinate phase: 52～58 ℃; Phase III: 62～68 ℃; Stage: 69～75 ℃; Five-stage: 62～68 ℃, each stage drying time is 2～4min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210110093.4A CN102617155B (en) | 2012-04-16 | 2012-04-16 | Method for manufacturing inductance porcelain core substrate |
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| CN201210110093.4A CN102617155B (en) | 2012-04-16 | 2012-04-16 | Method for manufacturing inductance porcelain core substrate |
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| CN102617155A true CN102617155A (en) | 2012-08-01 |
| CN102617155B CN102617155B (en) | 2014-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098300A (en) * | 2015-09-11 | 2015-11-25 | 禾邦电子（中国）有限公司 | Common-mode filter and manufacturing method therefor |
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|---|---|---|---|---|
| CN101266854A (en) * | 2007-03-16 | 2008-09-17 | 西北工业大学 | A method for preparing zinc oxide-based varistors |
| CN102122553A (en) * | 2010-12-17 | 2011-07-13 | 深圳顺络电子股份有限公司 | Low-resistance-value sheet-type negative-temperature-coefficient thermal resistor with horizontal structure and manufacturing method thereof |
| CN102129899A (en) * | 2010-12-17 | 2011-07-20 | 深圳顺络电子股份有限公司 | Low-resistance chip type negative temperature coefficient thermistor in vertical structure and manufacturing method thereof |
| CN102148082A (en) * | 2010-11-26 | 2011-08-10 | 深圳顺络电子股份有限公司 | Manufacturing methods and equipment of laminated type ceramic electronic element and cover plate layer |
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2012
- 2012-04-16 CN CN201210110093.4A patent/CN102617155B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101266854A (en) * | 2007-03-16 | 2008-09-17 | 西北工业大学 | A method for preparing zinc oxide-based varistors |
| CN102148082A (en) * | 2010-11-26 | 2011-08-10 | 深圳顺络电子股份有限公司 | Manufacturing methods and equipment of laminated type ceramic electronic element and cover plate layer |
| CN102122553A (en) * | 2010-12-17 | 2011-07-13 | 深圳顺络电子股份有限公司 | Low-resistance-value sheet-type negative-temperature-coefficient thermal resistor with horizontal structure and manufacturing method thereof |
| CN102129899A (en) * | 2010-12-17 | 2011-07-20 | 深圳顺络电子股份有限公司 | Low-resistance chip type negative temperature coefficient thermistor in vertical structure and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098300A (en) * | 2015-09-11 | 2015-11-25 | 禾邦电子（中国）有限公司 | Common-mode filter and manufacturing method therefor |
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| CN102617155B (en) | 2014-11-05 |
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Granted publication date: 20141105 Termination date: 20160416 |